CN221204659U - Writing board with multiple adjusting modes - Google Patents

Abstract

The utility model relates to the field of teaching aids, in particular to a writing board with multiple adjustment modes. The utility model provides the writing board with multiple adjustment modes, which can adjust the height of the blackboard, push and pull the blackboard for replacement, and is convenient for helping teachers to better present teaching contents. A writing board with multiple adjusting modes comprises a telescopic bracket, a frame, a blackboard and the like, wherein the upper part of the telescopic bracket is rotatably connected with the frame, and the upper part and the lower part of the frame are both connected with the blackboard in a sliding mode. According to the utility model, the height of the frame is adjusted by adjusting the length of the telescopic bracket, and then the lower blackboard is slid upwards to drive the rack to move in a meshed manner with the gear, so that the upper blackboard moves downwards, the height of the blackboard can be adjusted, the blackboard can be pushed and pulled for replacement, and the teaching content can be better presented by a teacher.

Description

Writing board with multiple adjusting modes

Technical Field

The utility model relates to the field of teaching aids, in particular to a writing board with multiple adjustment modes.

Background

The writing board, namely an appliance used for writing and demonstrating in the education industry, is a board surface placed in a classroom or a meeting room, and is used for writing contents by chalk or an aqueous pen, so that the writing board plays a role in explaining and demonstrating, and is very widely used in modern society.

At present, writing boards on the market are placed in a teaching area through a supporting frame, a knob can be turned, the inclination angle of a blackboard can be adjusted to adapt to the use needs of teaching staff, but the height of the blackboard is fixed due to the fact that the height of the supporting frame is fixed, and the blackboard cannot be pushed and pulled for replacement, so that a teacher is difficult to better present teaching contents, and the writing boards are inconvenient.

Therefore, a writing board with various adjustment modes, which can adjust the height of the blackboard and push and pull the blackboard for replacement, is convenient for helping teachers to better present teaching contents, is developed.

Disclosure of utility model

In order to overcome the defects that the height of a blackboard is fixed, the blackboard cannot be pushed and pulled to be replaced, and a teacher is difficult to better present teaching contents, the utility model provides the writing board with various adjustment modes, which can adjust the height of the blackboard, push and pull the blackboard to be replaced, and is convenient for helping the teacher to better present teaching contents.

The technical proposal is as follows: the utility model provides a clipboard with multiple regulation mode, including telescopic bracket, a frame, the blackboard, the gear, the rack, wipe board and telescopic machanism, telescopic bracket upper portion rotation type is connected with the frame, two parts all are connected with the blackboard about the frame, frame left portion rotation type is connected with the gear, the blackboard left side all is connected with the rack, the rack all meshes with the gear, the rack also all is connected with the frame slidingtype on frame upper portion, wipe board and upper portion blackboard contact, be equipped with the telescopic machanism that can adjust the frame height on the telescopic bracket, adjust the length of telescopic bracket, and then adjust the height of frame, the angle of rethread regulation frame, convenient to use person writes on the blackboard, lower part blackboard can upwards slide after the lower part blackboard writes, drive rack and gear meshing motion for upper portion blackboard moves down.

Further, telescopic machanism is including clamping platform, motor, lead screw and stretch the pole that falls, and telescopic bracket lower part is connected with the clamping platform, is connected with the motor on the clamping platform, is connected with the lead screw on the motor output shaft, and threaded connection has the pole that falls that stretches on the lead screw, stretches the pole that falls and telescopic bracket connection, starts the motor on the clamping platform, drives the lead screw rotation for stretch the pole that falls and remove on the lead screw, and then adjust telescopic bracket's length.

Further, the angle adjusting mechanism comprises guide blocks, adjusting rings and springs, the left and right parts of the telescopic support are connected with a plurality of guide blocks, the adjusting rings are connected between the adjacent guide blocks in a sliding mode, the adjusting rings are connected with the frame in a clamping mode, the springs are connected between the guide blocks and the adjacent adjusting rings, the adjusting rings on the guide blocks are pulled to enable the adjusting rings to be separated from the frame, the springs are stretched, the angles of the adjusting frame are adjusted in a rotating mode, after the adjusting is completed, the springs are made to rebound, the adjusting rings are driven to reset, and the adjusting rings are matched with the frame in a clamping mode.

Further, a support column is arranged on the telescopic support.

Further, the telescopic support is provided with supporting feet.

Further, the frame is provided with a clamping groove.

The beneficial effects are as follows: 1. according to the utility model, the height of the frame is adjusted by adjusting the length of the telescopic bracket, and then the lower blackboard is slid upwards to drive the rack to move in a meshed manner with the gear, so that the upper blackboard moves downwards, the height of the blackboard can be adjusted, the blackboard can be pushed and pulled for replacement, and the teaching content can be better presented by a teacher.

2. According to the utility model, the angle of the adjusting frame is rotated, after the adjustment is finished, the spring is rebounded, the adjusting ring is driven to reset, and the adjusting ring is in clamping fit with the clamping groove on the frame again, so that the effect of adjusting and fixing the angle of the blackboard and avoiding the movement of the blackboard is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic structural view of the present utility model.

Fig. 3 is a schematic view of a partial perspective structure of the present utility model.

Fig. 4 is a schematic perspective view of the telescopic mechanism of the present utility model.

Fig. 5 is a schematic perspective view of the angle adjusting mechanism of the present utility model.

Fig. 6 is an enlarged schematic view of a three-dimensional structure of the angle adjusting mechanism of the present utility model.

Fig. 7 is a schematic view of a partial perspective structure of the present utility model.

Part names and serial numbers in the figure: 1_telescopic bracket, 2_frame, 3_blackboard, 30_gear, 31_rack, 4_rubbing board, 5_telescopic mechanism, 51_clamping table, 52_motor, 53_lead screw, 54_telescopic rod, 6_angle mechanism, 61_guide block, 62_adjusting ring, 63_spring.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

The utility model provides a clipboard with multiple regulation mode, as shown in fig. 1, fig. 2, fig. 3 and fig. 7, including telescopic bracket 1, frame 2, blackboard 3, gear 30, rack 31, wipe board 4 and telescopic machanism 5, telescopic bracket 1 upper portion rotation is connected with frame 2, be equipped with the support column on the telescopic bracket 1, be convenient for strengthen stability, be equipped with the spike on the telescopic bracket 1, be convenient for place, open the draw-in groove on the frame 2, be convenient for fix, frame 2 upper and lower two parts are all connected with blackboard 3 in the slidingtype, frame 2 left part rotation is connected with gear 30, blackboard 3 left side all is connected with rack 31, rack 31 all meshes with gear 30, rack 31 also all is connected with frame 2 slidingtype, frame 2 upper portion sliding connection has wipe board 4, wipe board 4 and upper portion blackboard 3 contact, be equipped with telescopic machanism 5 on the telescopic bracket 1.

As shown in fig. 1, 2 and 4, the telescopic mechanism 5 comprises a clamping table 51, a motor 52, a screw rod 53 and a telescopic rod 54, the lower part of the telescopic bracket 1 is connected with the clamping table 51, the clamping table 51 is connected with the motor 52, the output shaft of the motor 52 is connected with the screw rod 53, the screw rod 53 is connected with the telescopic rod 54 in a threaded manner, and the telescopic rod 54 is connected with the telescopic bracket 1.

When the telescopic support 1 is used, firstly, the telescopic support 1 is placed in an office or teaching area, when writing on a blackboard is needed, the length of the telescopic support 1 can be adjusted according to the use requirement, the height of the frame 2 is adjusted, then the angle of the adjusting frame 2 is rotated, a user can conveniently write on the blackboard 3, after the lower blackboard 3 is written, the lower blackboard 3 can slide upwards, the rack 31 is driven to move in an engaged mode with the gear 30, the upper blackboard 3 moves downwards, the erasing plate 4 is slid again, the upper blackboard 3 can be cleaned and wiped, and therefore the height of the blackboard 3 can be adjusted, the blackboard 3 can be pushed and pulled for replacement, teaching content can be conveniently and better presented by a teacher, when the length of the telescopic support 1 is adjusted, the motor 52 on the clamping table 51 can be started, the screw 53 is driven to rotate, the telescopic rod 54 is enabled to move on the screw 53, and the length of the telescopic support 1 is adjusted.

As shown in fig. 1, 2, 5 and 6, the telescopic support further comprises an angle adjusting mechanism 6, the angle adjusting mechanism 6 comprises guide blocks 61, adjusting rings 62 and springs 63, the left and right parts of the telescopic support 1 are respectively connected with two guide blocks 61, the adjacent guide blocks 61 are respectively connected with the adjusting rings 62 in a sliding mode, the adjusting rings 62 are respectively clamped with the frame 2, and the springs 63 are respectively connected between the guide blocks 61 and the adjacent adjusting rings 62.

The angle adjusting mechanism 6 of the device can adjust the angle of the blackboard 3, the adjusting ring 62 on the guide block 61 is pulled, the adjusting ring 62 is separated from the clamping groove on the frame 2, the spring 63 is stretched, the angle of the adjusting frame 2 is rotated again, after the adjustment is finished, the spring 63 is made to rebound, the adjusting ring 62 is driven to reset, the adjusting ring 62 is matched with the clamping groove on the frame 2 in a clamping way again, and therefore the angle of the blackboard 3 can be adjusted and fixed, and the movement of the blackboard 3 is avoided.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (5)

1. The utility model provides a clipboard with multiple regulation mode, a serial communication port, including telescopic bracket (1), frame (2), blackboard (3), gear (30), rack (31), wipe board (4) and telescopic machanism (5), telescopic bracket (1) upper portion rotation is connected with frame (2), frame (2) upper and lower two parts all are connected with blackboard (3) in a sliding manner, frame (2) left portion rotation is connected with gear (30), blackboard (3) left side all is connected with rack (31), rack (31) all meshes with gear (30), rack (31) also all is connected with frame (2) slidingly, frame (2) upper portion slidingly is connected with wipe board (4), wipe board (4) and upper portion blackboard (3) contact, be equipped with telescopic machanism (5) that can adjust frame (2) height on telescopic bracket (1) length, and then adjust frame (2) height.

Still including angle modulation mechanism (6), angle modulation mechanism (6) are including guide block (61), adjusting ring (62) and spring (63), and both sides all are connected with a plurality of guide blocks (61) about telescopic bracket (1), all are connected with adjusting ring (62) between adjacent guide block (61), and adjusting ring (62) all with frame (2) joint, be connected with spring (63) between guide block (61) all and adjacent adjusting ring (62).

2. The writing board with multiple adjustment modes according to claim 1, wherein the telescopic mechanism (5) comprises a clamping table (51), a motor (52), a screw rod (53) and a telescopic rod (54), the lower portion of the telescopic rod (1) is connected with the clamping table (51), the clamping table (51) is connected with the motor (52), the output shaft of the motor (52) is connected with the screw rod (53), the screw rod (53) is connected with the telescopic rod (54) in a threaded manner, the telescopic rod (54) is connected with the telescopic rod (1), the motor (52) on the clamping table (51) is started, the screw rod (53) is driven to rotate, the telescopic rod (54) moves on the screw rod (53), and the length of the telescopic rod (1) is adjusted.

3. A writing board with multiple adjustment modes according to claim 1, characterized in that the telescopic bracket (1) is provided with a supporting column.

4. A writing board with multiple adjustment modes according to claim 1, characterized in that the telescopic support (1) is provided with support feet.

5. A writing board with multiple adjustment modes according to claim 1, characterized in that the frame (2) is provided with a clamping groove.