CN213676134U

CN213676134U - Teaching aid

Info

Publication number: CN213676134U
Application number: CN202022880142.5U
Authority: CN
Inventors: 范洪秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-05
Filing date: 2020-12-05
Publication date: 2021-07-13
Anticipated expiration: 2030-12-05

Abstract

The utility model provides an auxiliary teaching aid for teaching, the auxiliary teaching aid for teaching includes base plate, blackboard and universal wheel, four universal wheels are installed to the surface rotation under the base plate, the activity of base plate upper surface is provided with the blackboard, base plate upper surface center department fixed mounting has elevating gear, elevating gear upper surface and blackboard fixed connection, the blackboard both ends are rotated through the hinge and are installed rotating device, blackboard lateral wall bottom surface fixed mounting has fixing device, blackboard upper surface center department fixed mounting has stop device, the blackboard both ends are rotated through the hinge and are installed the accessory plate, accessory plate upper surface equidistance fixed mounting handle, the accessory plate upper surface is located the corresponding position of stop device and is installed the grip block through the hinge rotation, the auxiliary teaching aid for teaching setting that the utility model provides is convenient for adjust according to user's actual use height, the multiple requirements of the user are met through the arrangement of the auxiliary plate.

Description

Teaching aid

Technical Field

The utility model relates to a teaching technical field especially relates to an auxiliary teaching aid is used in teaching.

Background

The teaching blackboard is not a black writing board for teaching, but is a plane board which can be repeatedly written in the traditional sense.

Most all function singleness of present teaching blackboard, can not satisfy the multiple user demand of consumer, bring inconvenience for the user, current teaching blackboard highly fixed, can not adjust according to user's actual height, because teaching is comparatively loaded down with trivial details at teacher's teaching in-process, knowledge is comparatively complicated, single blackboard is not enough to support complicated teaching, current blackboard most all structure singleness can not satisfy user's multiple needs, and present teaching equipment is the too big not in storage of being convenient for of volume, it is inconvenient to use, security and reliability are not high, present framework installation convenience and stability in use all remain to improve, therefore, we provide an auxiliary teaching aid for teaching.

Therefore, there is a need to provide a new teaching aid to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a teaching is with supplementary teaching aid convenient to go up and down and expand teaching writing and use the blackboard.

The utility model provides an auxiliary teaching aid for teaching includes: base plate, blackboard and universal wheel, four universal wheels are installed in the rotation of base plate lower surface, the activity of base plate upper surface is provided with the blackboard, base plate upper surface center department fixed mounting has elevating gear, elevating gear upper surface and blackboard fixed connection, the blackboard both ends are rotated through the hinge and are installed rotating device, blackboard lateral wall bottom surface fixed mounting has fixing device.

Preferably, the rotating device comprises a limiting device, an auxiliary plate, a handle, a clamping plate and a magnetic suction block, the limiting device is fixedly installed at the center of the upper surface of the blackboard, the auxiliary plate is rotatably installed at the two ends of the blackboard through hinges, the handle is fixedly installed at the equal distance of the upper surface of the auxiliary plate, the clamping plate is rotatably installed at the corresponding position of the upper surface of the auxiliary plate, which is located at the limiting device, through the hinges, and the magnetic suction block is fixedly installed at the corresponding position of the upper surface of the auxiliary plate, which is located at the clamping plate.

Preferably, stop device includes limiting plate, spacing groove, flexible post, expanding spring and stopper, fixed surface installs the limiting plate on the blackboard, the spacing groove has been seted up to the limiting plate inner wall, limiting groove inner wall fixed mounting has flexible post, the one end fixed mounting that the spacing groove was kept away from to flexible post has the stopper, the stopper passes through expanding spring elastic connection with flexible post.

Preferably, elevating gear includes fixed block, fixed cover and elevating system, one side fixed mounting that the limiting plate was kept away from to the blackboard has the fixed block, one side fixed mounting that the blackboard was kept away from to the fixed block has fixed cover, fixed cover inner wall rotates and installs elevating system.

Preferably, elevating system includes a screw thread section of thick bamboo, screw thread piece, spliced pole, lifter and turning block, fixed surface installs a screw thread section of thick bamboo on the base plate, screw thread section of thick bamboo inner wall meshing is rotated and is installed the screw thread piece, fixed surface installs the spliced pole on the screw thread piece, screw thread section of thick bamboo inner wall is located spliced pole outer wall slidable mounting has the lifter, and lifter and fixed cover fixed connection, the spliced pole top fixed mounting has the turning block.

Preferably, the fixing device comprises a positioning plate, a hook, a chalk box, a blackboard eraser and a triangular plate, the positioning plate is rotatably installed at the bottom end of the blackboard and is rotatably connected with the blackboard through a rotating shaft, the chalk box and the blackboard eraser are movably arranged on the upper surface of the positioning plate, and the hook is fixedly installed on the lower surface of the positioning plate.

Compared with the prior art, the utility model provides an auxiliary teaching aid for teaching has following beneficial effect:

the utility model provides an auxiliary teaching aid is used in teaching:

drive this device through the universal wheel and carry out the position according to user's actual need and remove, through rotating the turning block, make the spliced pole drive the fillet of screw and mesh at the screw section of thick bamboo inner wall and rotate, it rises to drive the lifter, make the blackboard of lifter outer wall give birth to and reciprocate, through pulling the handle, make the handle drive the accessory plate rotate through the pivot with the blackboard and be connected, extrude the stopper through the accessory plate, the elasticity that makes the stopper overcome expanding spring is inwards shrink, until carrying out the joint with the accessory plate, through passing through the couple with the set-square, place in the locating plate bottom surface, place in the locating plate upper surface through chalk box and blackboard eraser, convenient to use person uses, the setting of this device is convenient for highly adjusting according to user's in-service use, satisfy user's multiple needs through.

Drawings

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

fig. 2 is a schematic structural view of the lifting device provided by the present invention;

fig. 3 is a schematic structural view of a rotating device provided by the present invention;

fig. 4 is a schematic structural view of the limiting device provided by the present invention;

fig. 5 is a schematic structural view of the lifting mechanism provided by the present invention;

fig. 6 is a schematic structural view of the fixing device provided by the present invention.

Reference numbers in the figures: 1. a substrate; 2. a blackboard; 3. a rotating device; 31. a limiting device; 311. a limiting plate; 312. a limiting groove; 313. a telescopic column; 314. a tension spring; 315. a limiting block; 32. an auxiliary plate; 33. a handle; 34. a clamping plate; 35. a magnetic block; 4. a fixing device; 41. positioning a plate; 42. hooking; 43. a chalk case; 44. a blackboard eraser; 45. a set square; 5. a lifting device; 51. a fixed block; 52. fixing a sleeve; 53. a lifting mechanism; 531. a threaded barrel; 532. a thread block; 533. connecting columns; 534. a lifting rod; 535. rotating the block; 6. a universal wheel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic diagram of an overall structure provided by the present invention; fig. 2 is a schematic structural view of the lifting device provided by the present invention; fig. 3 is a schematic structural view of a rotating device provided by the present invention; fig. 4 is a schematic structural view of the limiting device provided by the present invention; fig. 5 is a schematic structural view of the lifting mechanism provided by the present invention; fig. 6 is a schematic structural view of the fixing device provided by the present invention. Teaching is with supplementary teaching aid includes: base plate 1, blackboard 2 and universal wheel 6.

In the specific implementation process, as shown in fig. 1 and 2, 1 lower surface of base plate rotates and installs four

universal wheels

6, 1 upper surface activity of base plate is provided with

blackboard

2, 1 upper surface center department fixed mounting of base plate has elevating

gear

5, 5 upper surfaces of elevating gear and 2 fixed connection of blackboard, 2 both ends of blackboard rotate through the hinge and install rotating

device

3, 2 lateral wall bottom surface fixed mounting of blackboard has fixing device 4.

Referring to fig. 1, rotating device 3 includes stop device 31, accessory plate 32, handle 33, grip block 34 and magnetism piece 35 of inhaling, 2 upper surface centers of blackboard department fixed mounting have

stop device

31, 2 both ends of blackboard rotate through the hinge and install accessory plate 32, the equidistance fixed mounting handle 33 of accessory plate 32 upper surface, accessory plate 32 upper surface is located stop device 31's corresponding position and rotates through the hinge and install grip block 34, accessory plate 32 upper surface is located grip block 34's corresponding position fixed mounting and has magnetism piece 35 of inhaling.

Referring to fig. 1 and 2, the limiting device 31 includes a limiting plate 311, a limiting groove 312, a telescopic column 313, a telescopic spring 314 and a limiting block 315, the surface of the blackboard 2 is fixed with the limiting plate 311, the inner wall of the limiting plate 311 is provided with the limiting groove 312, the inner wall of the limiting groove 312 is fixedly provided with the telescopic column 313, the telescopic column 313 is far away from the one end of the limiting groove 312 and is fixedly provided with the limiting block 315, and the limiting block 315 is elastically connected with the telescopic column 313 through the telescopic spring 314.

Referring to fig. 2, the lifting device 5 includes a fixed block 51, a fixed sleeve 52 and a lifting mechanism 53, one side fixed mounting of the limiting plate 311 on the blackboard 2 has the fixed block 51, one side fixed mounting of the fixed block 51 on the blackboard 2 has the fixed sleeve 52, and the inner wall of the fixed sleeve 52 rotates and installs the lifting mechanism 53.

Elevating system 53 includes a screw thread section of thick bamboo 531, screw thread piece 532, spliced pole 533, lifter 534 and turning block 535, fixed surface installs a screw thread section of thick bamboo 531 on base plate 1, screw thread section of thick bamboo 531 inner wall meshing is rotated and is installed screw thread piece 532, fixed surface installs spliced pole 533 on the screw thread piece 532, screw thread section of thick bamboo 531 inner wall is located spliced pole 533 outer wall slidable mounting and has lifter 534, and lifter 534 and fixed cover 52 fixed connection, spliced pole 533 top fixed mounting has turning block 535.

Referring to fig. 2, fixing device 4 includes locating plate 41, couple 42, chalk box 43, blackboard eraser 44 and set-square 45, locating plate 41 is installed in the rotation of 2 bottom ends of blackboard, locating plate 41 is connected through the pivot rotation with blackboard 2, locating plate 41 upper surface activity is provided with chalk box 43 and blackboard eraser 44, locating plate 41 lower surface fixed mounting has couple 42, is convenient for satisfy user's multiple needs.

In the scheme, the universal wheel 6 drives the device to move according to the actual requirement of a user, by rotating the rotating block 535, the connecting column 533 drives the thread block 532 to engage and rotate on the inner wall of the thread cylinder 531, and drives the lifting rod 534 to ascend, so that the blackboard 2 on the outer wall of the lifting rod 534 moves up and down, by pulling the handle 33, the handle 33 drives the auxiliary board 32 to be rotationally connected with the blackboard 2 through a rotating shaft, the auxiliary plate 32 extrudes the limiting block 315, so that the limiting block 315 overcomes the elastic force of the telescopic spring 314 and contracts inwards until being clamped with the auxiliary plate 32, the triangular plate 45 is placed on the bottom surface of the positioning plate 41 through the hook 42, the chalk box 43 and the blackboard eraser 44 are placed on the upper surface of the positioning plate 41, the use by a user is facilitated, the device is convenient to adjust according to the actual use height of the user, and multiple requirements of the user are met through the auxiliary plate 32.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An auxiliary teaching aid for teaching, comprising: base plate (1), blackboard (2) and universal wheel (6), base plate (1) lower surface rotates and installs four universal wheel (6), base plate (1) upper surface activity is provided with blackboard (2), its characterized in that, base plate (1) upper surface center department fixed mounting has elevating gear (5), elevating gear (5) upper surface and blackboard (2) fixed connection, rotating device (3) are installed through the hinge rotation in blackboard (2) both ends, blackboard (2) lateral wall bottom surface fixed mounting has fixing device (4).

2. An auxiliary teaching aid for teaching according to claim 1, characterized in that rotating device (3) includes stop device (31), accessory plate (32), handle (33), grip block (34) and magnetism piece (35) of inhaling, blackboard (2) upper surface center department fixed mounting has stop device (31), blackboard (2) both ends are rotated through the hinge and are installed accessory plate (32), accessory plate (32) upper surface equidistance fixed mounting handle (33), grip block (34) are installed through the hinge rotation to the position that corresponds that accessory plate (32) upper surface is located stop device (31), the position fixed mounting that corresponds that accessory plate (32) upper surface is located grip block (34) has magnetism piece (35) of inhaling.

3. The teaching aid of claim 2, wherein the limiting device (31) comprises a limiting plate (311), a limiting groove (312), a telescopic column (313), a telescopic spring (314) and a limiting block (315), the limiting plate (311) is fixedly mounted on the upper surface of the blackboard (2), the limiting groove (312) is formed in the inner wall of the limiting plate (311), the telescopic column (313) is fixedly mounted on the inner wall of the limiting groove (312), the limiting block (315) is fixedly mounted at one end, away from the limiting groove (312), of the telescopic column (313), and the limiting block (315) is elastically connected with the telescopic column (313) through the telescopic spring (314).

4. An auxiliary teaching aid for teaching as claimed in claim 1, wherein elevating gear (5) includes fixed block (51), fixed cover (52) and elevating system (53), one side fixed mounting that limiting plate (311) was kept away from to blackboard (2) has fixed block (51), one side fixed mounting that blackboard (2) was kept away from to fixed block (51) has fixed cover (52), fixed cover (52) inner wall rotates and installs elevating system (53).

5. The auxiliary teaching aid for teaching of claim 4, characterized in that, elevating system (53) includes a screw thread section of thick bamboo (531), screw thread piece (532), spliced pole (533), lifter (534) and turning block (535), fixed surface installs screw thread section of thick bamboo (531) on base plate (1), screw thread piece (532) is installed in screw thread section of thick bamboo (531) inner wall meshing rotation, fixed surface installs spliced pole (533) on screw thread piece (532), screw thread section of thick bamboo (531) inner wall is located spliced pole (533) outer wall slidable mounting has lifter (534), and lifter (534) and fixed cover (52) fixed connection, spliced pole (533) top fixed mounting has turning block (535).

6. An auxiliary teaching aid for teaching according to claim 1, characterized in that fixing device (4) includes locating plate (41), couple (42), chalk box (43), blackboard eraser (44) and set-square (45), locating plate (41) is installed in blackboard (2) bottom rotation, locating plate (41) rotates through the pivot with blackboard (2) and is connected, locating plate (41) upper surface activity is provided with chalk box (43) and blackboard eraser (44), fixed surface installs couple (42) under locating plate (41).