CN214275111U - Student experiment table prevents camera riser of rotation function of practising fraud - Google Patents

Student experiment table prevents camera riser of rotation function of practising fraud Download PDF

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Publication number
CN214275111U
CN214275111U CN202023116300.6U CN202023116300U CN214275111U CN 214275111 U CN214275111 U CN 214275111U CN 202023116300 U CN202023116300 U CN 202023116300U CN 214275111 U CN214275111 U CN 214275111U
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China
Prior art keywords
fixedly connected
experiment table
sliding
motor
seat
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Active
Application number
CN202023116300.6U
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Chinese (zh)
Inventor
何广真
朱斌
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Zhongshan Fangfang Intelligent Technology Co ltd
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Zhongshan Fangfang Intelligent Technology Co ltd
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Priority to CN202023116300.6U priority Critical patent/CN214275111U/en
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Abstract

The utility model discloses a student experiment table prevents camera riser of rotation function that practises fraud, including the experiment table, two racks of interior bottom surface fixedly connected with of experiment table, the front side the surface sliding connection of rack has the second frame that slides, the leading flank of second frame that slides is provided with first motor, the output fixedly connected with connecting rod of first motor, the surface fixedly connected with gear of connecting rod, wheel and rack mesh mutually, the rear side the surface sliding connection of rack has first frame that slides. The utility model discloses in, drive the connecting rod through first motor and make the gear move on the rack, and then drive two and slide the frame and stretch out or retract display device in the laboratory table through the link, can protect display device well, through the effect of second motor and third motor, make the experimentation, the camera that the camera installation arm made the installation towards the student, prevent cheating, record experimentation.

Description

Student experiment table prevents camera riser of rotation function of practising fraud
Technical Field
The utility model relates to a teaching equipment technical field especially relates to a student experiment table prevents camera riser of rotation function that cheats.
Background
The laboratory table is the desk that the student used for carrying out the scientific experiment, be provided with the display screen on it, switch, 220V power source, experiment power source regulating switch and student experiment power, can supply the student to do the experiment use, but the experiment course of school also need examine, only observe through the prison teacher and be the reliability that can't guarantee the examination, use the camera that the laboratory set up, the surveillance video that obtains is more fuzzy, also can not take notes student's experimentation, consequently, need carry out anti-cheating function improvement to current student laboratory table.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a camera lifter with cheating-preventing and rotating functions for a student experiment table.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the camera lifter with the cheating-preventing rotation function comprises an experiment table, wherein two racks are fixedly connected to the inner bottom surface of the experiment table, a second sliding frame is slidably connected to the outer surface of the rack on the front side, a first motor is arranged on the front side surface of the second sliding frame, a connecting rod is fixedly connected to the output end of the first motor, a gear is fixedly connected to the outer surface of the connecting rod, the gear is meshed with the racks, a first sliding frame is slidably connected to the outer surface of the rack on the rear side, shells are fixedly connected to the left side and the right side of the first sliding frame through connecting plates, connecting frames are fixedly connected to the right sides of the first sliding frame and the second sliding frame, and a display device is fixedly connected to the right sides of the connecting frames;
the inner wall fixedly connected with connecting seat of shell, the downside fixedly connected with second motor of connecting seat, the output fixedly connected with lead screw of second motor, the surface threaded connection of lead screw has lift drive nut, lift drive nut's surface fixedly connected with inner shell, the last fixed surface of connecting seat is connected with the guide arm, the one end fixedly connected with sliding seat of lift drive nut is kept away from to the inner shell, the downside fixedly connected with third motor of sliding seat, the output fixedly connected with of third motor rotates the seat, the upper surface that rotates the seat is provided with camera installation arm, the left surface of side all is provided with the camera mounting hole below with before the rotation seat.
As a further description of the above technical solution:
the number of the gears is two, and the gears are respectively positioned in the first sliding frame and the second sliding frame.
As a further description of the above technical solution:
the display device is connected with the right side wall of the experiment table in a sliding mode.
As a further description of the above technical solution:
the upper surface of the display device is provided with a display screen, and the right side of the display screen is provided with an AI camera.
As a further description of the above technical solution:
the guide rod is connected with the lifting transmission nut in a sliding mode, the end portions of the guide rod and the lead screw are fixedly connected with a connecting disc, and the connecting disc is connected with the inner wall of the inner shell in a sliding mode.
As a further description of the above technical solution:
the lower end of the shell is in threaded connection with a locking nut, the upper end of the shell is in threaded connection with a guide nut, and the outer surface of the sliding seat is in sliding connection with the inner wall of the guide nut.
As a further description of the above technical solution:
the output end of the third motor penetrates through the sliding seat, the rotating seat is rotatably connected with the sliding seat, and the screw rod penetrates through the connecting seat.
As a further description of the above technical solution:
the inner shell is connected with the outer shell in a sliding mode, and the screw rod and the guide rod are located inside the inner shell.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this student's laboratory table prevents camera riser of rotation function that cheats drives the connecting rod through first motor and makes the gear move on the rack, and then drives two and slide the frame and stretch out or retract display device in the laboratory table through the link, can protect display device well, extension display device's life.
2. Compared with the prior art, this student experiment table prevents camera riser of spin function that cheats drives the lead screw through the second motor and makes lift transmission nut drive the inner shell and remove, and the effect of cooperation sliding seat drives the third motor and makes the rotation seat make camera installation arm remove, and camera installation arm can rotate under the effect of third motor, and the camera installation arm will be with the camera of installation towards the student like this in the experimentation, prevents cheating, record experimentation.
Drawings
Fig. 1 is a schematic structural view of a camera lifter with cheating-preventing rotation function for a student experiment table, which is provided by the utility model;
fig. 2 is a schematic view of a connecting seat connecting structure of a camera lifter with cheating-preventing rotation function for a student experiment table provided by the utility model;
fig. 3 is a schematic view of the inside of the housing of the camera lifter with cheating-prevention rotation function for the student experiment table provided by the utility model;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
fig. 6 is the utility model provides a student experiment table prevents that cheating rotation function's camera riser's rotation seat connects the schematic diagram.
Illustration of the drawings:
1. an experiment table; 2. a rack; 3. a gear; 4. a first sliding frame; 5. a housing; 6. a connecting frame; 7. a connecting rod; 8. a display device; 9. a camera mounting arm; 10. a first motor; 11. a second sliding frame; 12. a second motor; 13. a connecting seat; 14. a lifting transmission nut; 15. a guide bar; 16. a screw rod; 17. an inner shell; 18. a rotating seat; 19. a guide nut; 20. a sliding seat; 21. a third motor; 22. and locking the nut.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the present invention provides an embodiment: a camera lifter with cheating-preventing rotation function for a student experiment table comprises an experiment table 1, two racks 2 are fixedly connected to the inner bottom surface of the experiment table 1, a second sliding frame 11 is slidably connected to the outer surface of the rack 2 on the front side, a first motor 10 is arranged on the front side surface of the second sliding frame 11 and provides power for rotation of a connecting rod 7, the connecting rod 7 is fixedly connected to the output end of the first motor 10, two gears 3 are fixedly connected to the outer surface of the connecting rod 7, the two gears 3 are respectively located inside the first sliding frame 4 and the second sliding frame 11, the gears 3 are meshed with the racks 2, a first sliding frame 4 is slidably connected to the outer surface of the rack 2 on the rear side, the left side and the right side of the first sliding frame 4 are fixedly connected with a shell 5 through a connecting plate, connecting frames 6 are fixedly connected to the right sides of the first sliding frame 4 and the second sliding frame 11, a display device 8 is fixedly connected to the right side of the connecting frames 6, the shell 5 penetrates through the display device 8, the inner bottom surface of the experiment table 1 is fixedly connected with a lower limiting plate for the display device 8 and used for limiting the display device 8 to move downwards, the display device 8 is connected with the right side wall of the experiment table 1 in a sliding mode, the upper surface of the display device 8 is provided with a display screen, the right side of the display screen is provided with an AI camera, and the front side of the display screen is sequentially provided with a power switch, a 220V power interface, an experiment power regulating switch and a student experiment power from left to right;
the inner wall of the outer shell 5 is fixedly connected with a connecting seat 13, the lower side of the connecting seat 13 is fixedly connected with a second motor 12 for driving a screw rod 16 to rotate, the output end of the second motor 12 is fixedly connected with a screw rod 16, the screw rod 16 penetrates through the connecting seat 13, the outer surface of the screw rod 16 is in threaded connection with a lifting transmission nut 14 which can move along the axis direction of the screw rod 16, the outer surface of the lifting transmission nut 14 is fixedly connected with an inner shell 17, the inner shell 17 is in sliding connection with the outer shell 5, the upper surface of the connecting seat 13 is fixedly connected with a guide rod 15 which has a guiding function, the screw rod 16 and the guide rod 15 are both positioned in the inner shell 17, the guide rod 15 is in sliding connection with the lifting transmission nut 14, the end parts of the guide rod 15 and the screw rod 16 are fixedly connected with a connecting disk, the lower surface of the connecting disk and the upper surface of the connecting seat 13 are both provided with limit switches, and the positions are the limit positions of the up-and-down movement of the connecting seat 13, connection pad and inner shell 17's inner wall sliding connection, inner shell 17 is kept away from one end fixedly connected with sliding seat 20 of lift transmission nut 14, the downside fixedly connected with third motor 21 of sliding seat 20, be used for driving and rotate seat 18 and rotate, the output fixedly connected with of third motor 21 rotates seat 18, the lower fixed surface that rotates seat 18 has the dead lever, the inside of sliding seat 20 is provided with two angle limit switch, the dead lever is located between two angle limit switch, two angle limit switch's position is camera installation arm 9 pivoted extreme position, the output of third motor 21 passes from sliding seat 20, it rotates with sliding seat 20 and is connected to rotate seat 18, the upper surface that rotates seat 18 is provided with camera installation arm 9, the left surface and the following camera mounting hole that all are provided with of side before rotating seat 18, be used for installing the camera.
The lower end of the outer shell 5 is connected with a locking nut 22 in a threaded mode, the upper end of the outer shell 5 is connected with a guide nut 19 in a threaded mode, the guide nut 19 is used for enabling the inner shell 17 to move linearly, and the outer surface of the sliding seat 20 is connected with the inner wall of the guide nut 19 in a sliding mode.
The working principle is as follows: after the first motor 10 is started, the first motor 10 drives the connecting rod 7 to enable the rack 2 to rotate on the gear 3, so that the first sliding frame 4 and the second sliding frame 11 move left and right along the gear 3, thereby driving the shell 5 to drive the internal structure thereof to move, the first sliding frame 4 and the second sliding frame 11 can pull the display device 8 to extend out or retract into the experiment table 1 through the connecting frame 6, the second motor 12 drives the screw rod 16 to rotate, the lifting transmission nut 14 moves up and down along the screw rod 16 due to the guiding and restraining action of the guide rod 15, thereby driving the inner shell 17 to move and further driving the sliding seat 20 to move, which is represented by the camera mounting arm 9 approaching or departing from the display device 8, after the third motor 21 is started, the third motor 21 drives the rotating base 18 to rotate the camera mounting arm 9, so that cheating can be prevented after the camera mounting arm 9 is mounted in a camera.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a student experiment table prevents camera riser of rotation function that cheats, includes experiment table (1), its characterized in that: the inner bottom surface of the experiment table (1) is fixedly connected with two racks (2), the outer surface of the rack (2) at the front side is connected with a second sliding frame (11) in a sliding way, a first motor (10) is arranged on the front side surface of the second sliding frame (11), the output end of the first motor (10) is fixedly connected with a connecting rod (7), the outer surface of the connecting rod (7) is fixedly connected with a gear (3), the gear (3) is meshed with a rack (2), the outer surface of the rack (2) at the rear side is connected with a first sliding frame (4) in a sliding manner, the left side and the right side of the first sliding frame (4) are fixedly connected with a shell (5) through a connecting plate, the right sides of the first sliding frame (4) and the second sliding frame (11) are fixedly connected with a connecting frame (6), a display device (8) is fixedly connected to the right side of the connecting frame (6);
the inner wall of the shell (5) is fixedly connected with a connecting seat (13), the lower side of the connecting seat (13) is fixedly connected with a second motor (12), the output end of the second motor (12) is fixedly connected with a screw rod (16), the outer surface of the screw rod (16) is in threaded connection with a lifting transmission nut (14), the outer surface of the lifting transmission nut (14) is fixedly connected with an inner shell (17), the upper surface of the connecting seat (13) is fixedly connected with a guide rod (15), one end of the inner shell (17) far away from the lifting transmission nut (14) is fixedly connected with a sliding seat (20), the lower side surface of the sliding seat (20) is fixedly connected with a third motor (21), the output end of the third motor (21) is fixedly connected with a rotating seat (18), the upper surface of the rotating seat (18) is provided with a camera mounting arm (9), the left side face and the lower face of the front side end of the rotating seat (18) are provided with camera mounting holes.
2. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the number of the gears (3) is two, and the gears are respectively positioned in the first sliding frame (4) and the second sliding frame (11).
3. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the display device (8) is connected with the right side wall of the experiment table (1) in a sliding mode.
4. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the upper surface of display device (8) is provided with the display screen, the right side of display screen is provided with the AI camera.
5. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the guide rod (15) is connected with the lifting transmission nut (14) in a sliding mode, a connecting disc is fixedly connected to the end portions of the guide rod (15) and the lead screw (16), and the connecting disc is connected with the inner wall of the inner shell (17) in a sliding mode.
6. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the lower extreme threaded connection of shell (5) has lock nut (22), the upper end threaded connection of shell (5) has guide nut (19), the surface of sliding seat (20) and the inner wall sliding connection of guide nut (19).
7. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the output end of the third motor (21) penetrates through the sliding seat (20), the rotating seat (18) is rotatably connected with the sliding seat (20), and the screw rod (16) penetrates through the connecting seat (13).
8. The student experiment table cheating-prevention rotating-function camera lifter according to claim 1, characterized in that: the inner shell (17) is connected with the outer shell (5) in a sliding mode, and the screw rod (16) and the guide rod (15) are located inside the inner shell (17).
CN202023116300.6U 2020-12-22 2020-12-22 Student experiment table prevents camera riser of rotation function of practising fraud Active CN214275111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023116300.6U CN214275111U (en) 2020-12-22 2020-12-22 Student experiment table prevents camera riser of rotation function of practising fraud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023116300.6U CN214275111U (en) 2020-12-22 2020-12-22 Student experiment table prevents camera riser of rotation function of practising fraud

Publications (1)

Publication Number Publication Date
CN214275111U true CN214275111U (en) 2021-09-24

Family

ID=77806247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023116300.6U Active CN214275111U (en) 2020-12-22 2020-12-22 Student experiment table prevents camera riser of rotation function of practising fraud

Country Status (1)

Country Link
CN (1) CN214275111U (en)

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