Bulletin board for student management

Abstract

The invention provides a bulletin board for student management. Relates to the technical field of bulletin boards, in particular to a bulletin board for student management, which comprises a storage box fixedly mounted at the bottom of a bulletin board, two rotating rods are rotatably mounted in the storage box, a first worm gear and two supporting legs fixedly sleeve the two rotating rods respectively, and two first worms are rotatably mounted in the storage box. Two first worms are fixedly installed on the inner wall of the storage box, the two first worms are meshed with the two first worm wheels correspondingly, the ends, close to each other, of the two first worms are fixedly sleeved with second bevel gears correspondingly, circular protective covers are fixedly installed on the inner wall of the storage box, and the two second bevel gears are both located in the two circular protective covers; and the two first worms are rotationally connected with the circular protective cover. The bulletin board for student management has the advantages of having a storage function and being convenient to carry.

Description

Technical Field

[0001] The present invention relates to the technical field of bulletin boards, and in particular to a bulletin board for student management. Background Art

[0002] Bulletin boards are placed in places with large traffic flow and are used to post official documents, notices, revelations and other informative content. In order to facilitate the management of students, schools often need to set up bulletin boards at the bottom of dormitory buildings and teaching buildings to facilitate the issuance of notices.

[0003] However, the existing student management bulletin boards lack storage functions. When people carry the bulletin boards, they often encounter many inconveniences in carrying due to their large size, and they require a large storage space when storing, resulting in a waste of storage space.

[0004] Therefore, it is necessary to provide a kind of student management bulletin board to solve the above-mentioned technical problems.

[0005] Practical Invention Content

[0006] The technical problem solved by the invention is to provide a bulletin board for student management which has a storage function and is convenient to carry.

[0007] To solve the above technical problems, the student management bulletin board provided by the present invention comprises: a storage box fixedly installed at the bottom of the bulletin board, two rotating rods rotatably installed in the storage box, a first worm gear and two supporting legs are fixedly sleeved on the two rotating rods, two first worm gears are rotatably installed in the storage box, and the two first worm gears are respectively meshed with the two first worm gears, and the ends of the two first worm gears close to each other are respectively fixedly sleeved with second bevel gears, a circular protective cover is fixedly installed on the inner wall of the storage box, and the two second bevel gears are both located in the two circular protective covers, the two first worm gears are both rotatably connected to the circular protective covers, an adjusting rod is rotatably installed in the circular protective cover, the top end of the adjusting rod is fixedly sleeved with a lower bevel gear, and the lower bevel gear is meshed with the two second bevel gears, and the bottom end of the adjusting rod extends outside the circular protective cover.

[0008] Preferably, a rotating handle is fixedly mounted on one end of the adjusting rod located outside the circular protective cover, and an anti-slip sleeve is fixedly mounted on the rotating handle.

[0009] Preferably, two square protective covers are fixedly installed in the storage box, and the two rotating rods and the two first worm gears are rotatably connected to the two square protective covers respectively.

[0010] Preferably, a second worm is rotatably installed in the bulletin board, and the bottom end of the second worm extends into the circular protective cover, a first bevel gear is fixedly installed on the bottom end of the second worm, and the first bevel gear is meshed with two second bevel gears, two fixed plates are fixedly installed on the top of the bulletin board, two cross bars are fixedly and rotatably installed on the two fixed plates, second worm wheels are fixedly sleeved on the two cross bars, and the two second worm wheels are respectively meshed with the second worm, two triangular baffle plates are arranged above the second worm, two connecting plates are fixedly installed on the bottom of the two triangular baffle plates, and the four connecting plates are fixedly connected to the two cross bars.

[0011] Preferably, an arc-shaped opening is opened on the outer wall of one side of one of the triangular shielding plates, and a semicircular rubber rod is slidingly sealed in the arc-shaped opening, and the semicircular rubber rod is fixedly connected to the other triangular shielding plate.

[0012] Preferably, an upper protective cover is provided on the rotating sleeve of the second worm, and the two second worm wheels are both located in the upper protective cover, and the two cross bars are both rotatably connected to the upper protective cover.

[0013] Preferably, two expansion limit baffles and two storage limit baffles are fixedly installed in the storage box, and the two expansion limit baffles and the two storage limit baffles are both located below the first worm.

[0014] Preferably, rotation grooves are respectively opened on the inner walls on both sides of the storage box, the two ends of the two first worm gears respectively extend into the two rotation grooves and are respectively fixedly sleeved with bearings, and the outer rings of the two bearings are respectively fixedly connected to the inner walls of the two rotation grooves.

[0015] Compared with the related art, the student management bulletin board provided by the present invention has the following beneficial effects:

[0016] The present invention provides a bulletin board for student management. Four supporting legs are fixedly installed on the ground by external fixing bolts, and then the device is fixedly installed in a specific area. Some announcement information is displayed through the bulletin board, and the bulletin board is shielded by two triangular shielding plates to prevent external rain from dripping onto the bulletin board and affecting the display of the announcement information on the bulletin board. The four supporting legs are rotated from a vertical state to a horizontal state and stored in a storage box by rotating a rotating handle, and at the same time, the two triangular shielding plates are changed from an unfolded horizontal state to a stored vertical state, which further reduces the size of the device, thereby making it more convenient for people to transport and carry the device, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1A schematic diagram of the main structure of the first embodiment of the student management bulletin board provided by the present invention;

[0018] Figure 2 for Figure 1 An enlarged schematic diagram of section A is shown;

[0019] Figure 3 for Figure 1 An enlarged schematic diagram of portion B is shown;

[0020] Figure 4 for Figure 1 An enlarged schematic diagram of section C is shown;

[0021] Figure 5 for Figure 1 A partial assembly cross-sectional view of the square protective cover and the rotating rod shown;

[0022] Figure 6 for Figure 1 The triangle shielding plate is shown in the stowed state;

[0023] Figure 7 The main view of the bulletin board for student management provided by the present invention.

[0024] Numbers in the figure: 1. bulletin board; 2. storage box; 3. first worm; 4. square protective cover; 5. first worm wheel; 6. rotating rod; 7. unfolding limit baffle; 9. first bevel gear; 10. second bevel gear; 11. lower bevel gear; 12. circular protective cover; 13. adjusting rod; 14. rotating handle; 15. second worm; 16. cross bar; 17. second worm wheel; 18. upper protective cover; 19. fixing plate; 20. triangular shielding plate; 21. connecting plate; 22. semicircular rubber rod; 23. arc-shaped opening; 24. supporting leg. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0026] Please refer to Figure 1-Figure 7In an embodiment of the present invention, a bulletin board for student management comprises: a storage box 2 fixedly mounted at the bottom of a bulletin board 1, two rotating rods 6 rotatably mounted in the storage box 2, a first worm gear 5 and two supporting legs 24 are fixedly sleeved on the two rotating rods 6, two first worm gears 3 are rotatably mounted in the storage box 2, in order to rotatably mount the first worm gears 3 in the storage box 2, rotating grooves are respectively provided on the inner walls on both sides of the storage box 2, the two ends of the two first worm gears 3 extend into the two rotating grooves respectively and are fixedly sleeved with bearings respectively, and the outer rings of the two bearings are respectively fixedly connected to the inner walls of the two rotating grooves, so that the worm gear 3 rotates more stably in the storage box 2 through the bearings, and the two first worm gears 3 are respectively meshed with the two first worm gears 5, in order to protect the first worm gears 5 and prevent external dust from adhering to the first worm gears 5 and affecting the service life, two square protective covers 4 are fixedly mounted in the storage box 2, and two The rotating rod 6 and the two first worm gears 3 are rotatably connected with the two square protective covers 4 respectively, and the ends of the two first worm gears 3 close to each other are fixedly sleeved with second bevel gears 10 respectively, and a circular protective cover 12 is fixedly installed on the inner wall of the storage box 2, and the two second bevel gears 10 are both located in the two circular protective covers 12, and the two first worm gears 3 are rotatably connected with the circular protective covers 12, and an adjusting rod 13 is rotatably installed in the circular protective cover 12. In order to make it more convenient for people to rotate the adjusting rod 13, a rotating handle 14 is fixedly installed at one end of the adjusting rod 13 located outside the circular protective cover 12, and an anti-slip sleeve is fixedly sleeved on the rotating handle 14, and the anti-slip sleeve is used to prevent people from slipping when turning the rotating handle 14, and the top of the adjusting rod 13 is fixedly sleeved with a lower bevel gear 11, and the lower bevel gear 11 is meshed with the two second bevel gears 10, and the bottom end of the adjusting rod 13 extends outside the circular protective cover 12.

[0027] In order to store the two triangular baffles 20 and further reduce the volume of the device, a second worm 15 is rotatably installed in the bulletin board 1, and the bottom end of the second worm 15 extends into the circular protective cover 12, and a first bevel gear 9 is fixedly installed on the bottom end of the second worm 15, and the first bevel gear 9 is meshed with the two second bevel gears 10, and two fixed plates 19 are fixedly installed on the top of the bulletin board 1, and two cross bars 16 are fixedly and rotatably installed on the two fixed plates 19, and second worm wheels 17 are fixedly sleeved on the two cross bars 16 respectively. In order to protect the second worm wheels 17 and prevent external dust from adhering to the first worm wheel 5 and affecting its service life, an upper protective cover 18 is rotatably sleeved on the second worm 15, and the two second worm wheels 17 are both located in the upper protective cover 18, and the two The cross bars 16 are rotatably connected to the upper protective cover 18, and the two second worm wheels 17 are respectively meshed with the second worm 15. Two triangular shielding plates 20 are arranged above the second worm 15. Two connecting plates 21 are fixedly installed at the bottom of the two triangular shielding plates 20, and the four connecting plates 21 are respectively fixedly connected to the two cross bars 16. The second worm 15 rotates, and the second worm 15 drives the second worm wheel 17 to rotate. The second worm wheel 17 drives the two cross bars 16 to rotate. The two cross bars 16 rotate and drive the two triangular shielding plates 20 to separate and rotate downward, thereby changing the two triangular shielding plates 20 from an unfolded horizontal state to a stored vertical state, further reducing the volume of the device, thereby making it more convenient for people to transport and carry the device and improving work efficiency.

[0028] In order to make the connection between the two triangular shielding plates 20 tighter and prevent rainwater from outside from flowing onto the bulletin board 1 through the gap between the two triangular shielding plates 20, an arc-shaped opening 23 is opened on the outer wall of one side of one triangular shielding plate 20, and a semicircular rubber rod 22 is slidingly sealed in the arc-shaped opening 23, and the semicircular rubber rod 22 is fixedly connected to the other triangular shielding plate 20.

[0029] In order to limit the support leg 24 and thereby keep the support leg 24 in a vertical state to support the device, two deployment limit baffles 7 and two storage limit baffles are fixedly installed in the storage box 2, and the two deployment limit baffles 7 and the two storage limit baffles are both located below the first worm gear 3. When the support leg 24 contacts the deployment limit baffle 7, it indicates that the support leg 24 is in a vertical state.

[0030] The working principle of the student management bulletin board provided by the present invention is as follows; when the device needs to be used, the four support legs 24 are fixedly installed on the ground by external fixing bolts, and then the device is fixedly installed in a specific area, and some announcement information is displayed through the bulletin board 1, and the bulletin board 1 is shielded by two triangular shielding plates 20 to prevent rain from dripping onto the bulletin board 1 and affecting the display of the announcement information on the bulletin board 1. When people need to carry the device, the rotating handle 14 is rotated to drive the adjusting rod 13, and the adjusting rod 13 rotates to drive the lower bevel gear 11, and the lower bevel gear 11 rotates to drive the two second bevel gears 10 to rotate, and the two second bevel gears 10 rotate to drive the first worm 3 to rotate, and the first worm 3 rotates to drive the first The worm gear 5 rotates, the first worm gear 5 rotates to drive the rotating rod 6 to rotate, the rotating rod 6 rotates to drive the four supporting legs 24 to rotate, so that the four supporting legs 24 are rotated from a vertical state to a horizontal state and stored in the storage box 2, and at the same time, the second bevel gear 10 rotates to drive the first bevel gear 9 to rotate, the first bevel gear 9 rotates to drive the second worm 15 to rotate, the second worm 15 rotates to drive the second worm gear 17 to rotate, the second worm gear 17 rotates to drive the two cross bars 16 to rotate, the two cross bars 16 rotate to drive the two triangular shielding plates 20 to separate and rotate downward, thereby changing the two triangular shielding plates 20 from an unfolded horizontal state to a stored vertical state, further reducing the size of the device, thereby making it more convenient for people to transport and carry the device, thereby improving work efficiency.

[0031] Compared with the related art, the student management bulletin board provided by the present invention has the following beneficial effects:

[0032] The present invention provides a bulletin board for student management. Four supporting legs 24 are fixedly installed on the ground by external fixing bolts, and then the device is fixedly installed in a specific area. Some announcement information is displayed through the bulletin board 1, and the bulletin board 1 is shielded by two triangular shielding plates 20 to prevent rain from outside from dripping onto the bulletin board 1 and affecting the display of the announcement information on the bulletin board 1. By rotating the rotating handle 14, the four supporting legs 24 are rotated from a vertical state to a horizontal state and stored in a storage box 2. At the same time, the two triangular shielding plates 20 are changed from an unfolded horizontal state to a stored vertical state, which further reduces the size of the device, thereby making it more convenient for people to transport and carry the device and improving work efficiency.

[0033] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bulletin board for student management, comprising a storage box fixedly mounted at the bottom of the bulletin board, characterized in that: Two rotating rods are rotatably installed in the storage box, and the two rotating rods are respectively fixedly sleeved with a first worm gear and two supporting legs, two first worm gears are rotatably installed in the storage box, and the two first worm gears are respectively meshed with the two first worm gears, and the ends of the two first worm gears close to each other are respectively fixedly sleeved with second bevel gears, a circular protective cover is fixedly installed on the inner wall of the storage box, and the two second bevel gears are both located in the two circular protective covers, and the two first worm gears are rotatably connected to the circular protective covers, an adjusting rod is rotatably installed in the circular protective cover, the top end of the adjusting rod is fixedly sleeved with a lower bevel gear, and the lower bevel gear is meshed with the two second bevel gears, and the bottom end of the adjusting rod extends outside the circular protective cover.

2. The student management bulletin board according to claim 1, characterized in that: A rotating handle is fixedly mounted on one end of the adjusting rod outside the circular protective cover, and an anti-slip sleeve is fixedly mounted on the rotating handle.

3. The student management bulletin board according to claim 2, characterized in that: Two square protective covers are fixedly installed in the storage box, and the two rotating rods and the two first worm gears are rotatably connected to the two square protective covers respectively.

4. The student management bulletin board according to claim 3, characterized in that: A second worm is rotatably installed in the bulletin board, and the bottom end of the second worm extends into the circular protective cover, a first bevel gear is fixedly installed on the bottom end of the second worm, and the first bevel gear is meshed with the two second bevel gears, two fixed plates are fixedly installed on the top of the bulletin board, two cross bars are fixedly and rotatably installed on the two fixed plates, second worm wheels are fixedly sleeved on the two cross bars, and the two second worm wheels are respectively meshed with the second worm, two triangular baffle plates are arranged above the second worm, two connecting plates are fixedly installed on the bottom of the two triangular baffle plates, and the four connecting plates are fixedly connected to the two cross bars.

5. The student management bulletin board according to claim 4, characterized in that: An arc-shaped opening is provided on one side outer wall of one of the triangular shielding plates, and a semicircular rubber rod is provided in the arc-shaped opening for sliding sealing, and the semicircular rubber rod is fixedly connected to the other triangular shielding plate.

6. The student management bulletin board according to claim 5, characterized in that: An upper protective cover is provided on the rotating sleeve of the second worm, and the two second worm wheels are both located in the upper protective cover, and the two cross bars are both rotatably connected to the upper protective cover.

7. The student management bulletin board according to claim 6, characterized in that: Two expansion limit baffles and two storage limit baffles are fixedly installed in the storage box, and the two expansion limit baffles and the two storage limit baffles are both located below the first worm.

8. The student management bulletin board according to claim 7, characterized in that: Rotation grooves are respectively opened on the inner walls of both sides of the storage box 2, and the two ends of the two first worm gears extend into the two rotation grooves and are respectively fixedly sleeved with bearings, and the outer rings of the two bearings are respectively fixedly connected to the inner walls of the two rotation grooves.

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