CN209733122U

CN209733122U - Blackboard convenient to adjust

Info

Publication number: CN209733122U
Application number: CN201822220123.2U
Authority: CN
Inventors: 冯敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-12-06
Anticipated expiration: 2028-12-27

Abstract

The utility model provides a blackboard of convenient regulation, including installing the mount on the wall, mount movable mounting has the plate body, and the mount includes the back timber, and the back timber rotates and is connected with a supporting beam, and a supporting beam rotates with the plate body top surface and is connected, and back timber sliding connection has the slider, and the slider rotates with the one end of plate body top surface and is connected, and the slider rotates with the plate body and is connected with first runner, and back timber both ends bottom surface is provided with second runner and third runner, installs the drive belt between second runner and the third runner, and second runner bottom is provided with and drives second runner pivoted drive arrangement. This blackboard is provided with adjustable plate body and can be with first runner, second runner, third runner and the drive arrangement of plate body regulation, can realize the upset of plate body through simple operation, so set up the both sides of plate body and all can use, and in the use, the blackboard is comparatively stable. In conclusion, the blackboard is reasonable in structure, powerful in function, convenient to operate and suitable for popularization and application.

Description

Blackboard convenient to adjust

Technical Field

The utility model relates to a blackboard, specifically speaking relates to a blackboard of convenient regulation.

Background

The blackboard is one of the necessary equipment of school, and the blackboard of commonly using is fixed on the wall, and structural function is single, can only the single face use, and the blackboard that can use on two sides generally is the mobilizable blank that the bottom surface was provided with the gyro wheel, can use on two sides through rotating, but this blank weight is lighter, and this blank can not effectively be fixed in the use, need one hand fixed blank when writing, and one hand is write, and is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a blackboard of convenient regulation, both sides through adjusting this blackboard all can use, and in the use, the blackboard is comparatively stable.

The purpose of the utility model is achieved through the following technical measures: the utility model provides a blackboard of convenient regulation, including installing the mount on the wall, mount movable mounting has the plate body, the mount includes the back timber, the back timber rotates and is connected with a supporting beam, a supporting beam rotates with the plate body top surface and is connected, back timber sliding connection has the slider, the slider rotates with the one end of plate body top surface and is connected, the slider rotates with the plate body and is connected with first runner, back timber both ends bottom surface is provided with second runner and third runner, install the drive belt between second runner and the third runner, accessible drive belt drives first runner when second runner rotates with the third runner and rotates, second runner bottom is provided with and drives second runner pivoted drive arrangement.

Through the arrangement, two sides of the plate body can be used, so that the plate is stable in use, convenient to adjust and convenient to operate.

As a preferred scheme, the one end of back timber is provided with first commentaries on classics hole, and a supporting beam one end is provided with first commentaries on classics post, first commentaries on classics post and first commentaries on classics hole normal running fit, and plate body top surface intermediate position is provided with first pillar, and the one end that a supporting beam kept away from first commentaries on classics post rotates with first pillar to be connected.

Through the arrangement, the plate body can rotate relative to the supporting beam, and adjustment is facilitated.

As a preferred scheme, the top beam is provided with a sliding groove, the sliding groove is transversely arranged along the top beam body, and the sliding block is in sliding fit with the sliding groove.

Through the arrangement, the sliding block can slide in the sliding groove, and the sliding plate body can rotate through the sliding block, so that the adjustment is convenient.

As a preferred scheme, the sliding groove is a convex sliding groove, and the sliding block is matched with the sliding groove in shape.

Through the arrangement, the sliding groove can play a limiting role on the sliding block, and the sliding block can be prevented from moving out of the sliding groove.

As an optimal scheme, a fixed column is arranged between the sliding block and the top surface of the plate body, and the first rotating wheel is in running fit with the fixed column.

Be provided with the runner, can drive the slider through the runner and remove in the spout, the adjusting plate body of being convenient for.

As a preferred scheme, a first supporting beam and a second supporting beam are arranged at two ends of the top beam, the first supporting beam and the second supporting beam are respectively and vertically arranged with the top beam, the second rotating wheel is installed at the bottom of the first supporting beam and is rotatably connected with the first supporting beam, and the third rotating wheel is installed at the bottom of the second supporting beam and is rotatably connected with the second supporting beam.

Through the arrangement, the second rotating wheel drives the third rotating wheel to rotate, and the first rotating wheel can be driven to rotate, so that the plate body can be adjusted.

As a preferred scheme, the end, far away from the top beam, of the first supporting beam is provided with a vertical beam, side plates are arranged on two sides of the vertical beam and fixedly connected with the wall surface, and a driving device is installed between the two side plates.

The vertical beam and the side plate are arranged, a closed space is formed by the vertical beam, the side plate and the wall, and the driving device is located in the space, can be protected and is not easy to damage.

As a preferable scheme, the driving device comprises a driving shaft, the top of the driving shaft is rotatably connected with the first supporting beam, the second rotating wheel is fixedly connected with the driving shaft, a first bevel gear is welded at the bottom of the driving shaft, a rotating shaft is installed on the vertical beam, a second bevel gear is welded at one end of the rotating shaft, and the first bevel gear is meshed with the second bevel gear.

Through the arrangement, the first bevel gear can be driven to rotate by rotating the second bevel gear, and the first bevel gear rotates to drive the second rotating wheel to rotate, so that the third rotating wheel and the first rotating wheel are driven to rotate, and the plate body is adjusted.

As a preferred scheme, the vertical beam side wall is provided with a plate hole, and the rotating shaft is in running fit with the plate hole.

Through the arrangement, the rotation of the second rotating wheel can be realized by rotating the rotating shaft.

As a preferred scheme, one end of the rotating shaft, which is far away from the second rotating wheel, is provided with a crank which is convenient for rotating the connecting column.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model discloses a blackboard of convenient regulation is provided with adjustable plate body and can be with first runner, second runner, third runner and the drive arrangement that the plate body was adjusted, can realize the upset of plate body through simple operation, so set up the two sides of plate body and all can use, and in the use, the blackboard is comparatively stable. In conclusion, the blackboard is reasonable in structure, powerful in function, convenient to operate and suitable for popularization and application.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Figure 1 is a schematic structural view of the blackboard convenient to adjust.

Figure 2 is a schematic structural view of the blackboard convenient to adjust.

Figure 3 is a schematic structural view of the blackboard convenient to adjust.

Fig. 4 is a schematic view of a local structure of a blackboard convenient to adjust.

Fig. 5 is a schematic view of the structure of the blackboard with convenient adjustment.

Fig. 6 is a schematic view of a local structure of a blackboard convenient to adjust.

Fig. 7 is a schematic view of a local structure of a blackboard convenient to adjust.

Fig. 8 is a schematic view of a local structure of a blackboard convenient to adjust.

Detailed Description

Example (b): as shown in fig. 1 to 8, a blackboard convenient to adjust, including installing the mount on the wall, mount movable mounting has plate body 2, the mount includes back timber 1, back timber 1 rotates and is connected with a supporting beam 3, supporting beam 3 rotates with plate body 2 top surface and is connected, back timber 1 sliding connection has slider 19, slider 19 rotates with the one end of plate body 2 top surface and is connected, slider 19 rotates with plate body 2 and is connected with first runner 15, back timber 1 both ends bottom surface is provided with rotatable second runner 14 and third runner 18, install drive belt 4 between second runner 14 and the third runner 18, accessible drive belt 4 drives first runner 15 and rotates when second runner 14 rotates with third runner 18, second runner 14 bottom is provided with can drive second runner 14 pivoted drive arrangement.

One end of the top beam 1 is provided with a first rotating hole 10, one end of the supporting beam 3 is provided with a first rotating column 31, the first rotating column 31 is in rotating fit with the first rotating hole 10, the middle position of the top surface of the plate body 2 is provided with a first rotating column 21, and one end of the supporting beam 3, far away from the first rotating column 31, is rotatably connected with the first rotating column 21.

The top beam 1 is provided with a sliding groove 13, the sliding groove 13 is transversely arranged along the body of the top beam 1, and the sliding block 19 is in sliding fit with the sliding groove 13. The sliding groove 13 is a convex sliding groove, and the sliding block 19 is matched with the sliding groove 13 in shape.

As shown in fig. 6, a fixed column 21 is welded on the top surface of the plate body 2, the first rotating wheel 15 is in running fit with the fixed column 21, and the top of the fixed column 21 is welded with the sliding block 19.

As shown in fig. 1, a first supporting beam 11 and a second supporting beam 12 are arranged at two ends of the top beam 1, the first supporting beam 11 and the second supporting beam 12 are respectively arranged perpendicular to the top beam 1, a second runner 14 is installed at the bottom of the first supporting beam 11 and is rotatably connected with the first supporting beam 11, and a third runner 18 is installed at the bottom of the second supporting beam 12 and is rotatably connected with the second supporting beam 12.

The bottom surface of the second supporting beam 12 is welded with a second rotating column 181, and the third rotating wheel 18 is in running fit with the second rotating column 181.

As shown in fig. 3, a vertical beam 16 is welded at one end of the first supporting beam 11 far from the top beam 1, side plates 17 are welded at two sides of the vertical beam 16, the side plates 17 are fixedly connected with a wall surface, and a driving device is installed between the two side plates 17.

The driving device comprises a driving shaft 6, the top of the driving shaft 6 is rotatably connected with the first supporting beam 11, the second rotating wheel 14 is fixedly connected with the driving shaft 6, a first bevel gear 61 is welded at the bottom of the driving shaft 6, a rotating shaft 5 is installed on the vertical beam 16, a second bevel gear 51 is welded at one end of the rotating shaft 5, and the first bevel gear 61 is meshed with the second bevel gear 51.

The vertical beam 16 is provided with a plate hole 161 on the side wall, and the rotating shaft 5 is rotatably matched with the plate hole 161. The end of the rotating shaft 5 far away from the second bevel gear 51 is provided with a crank 52 which is convenient for rotating the rotating shaft.

The supporting beam 6 is provided with a groove 32 on one side near the first supporting column 31, and the fixing column 21 can enter the groove 32 when the plate body 2 is parallel to the wall surface.

In this embodiment, the transmission belt 4 is a chain, and the first pulley 15, the second pulley 14 and the third pulley 18 are sprockets.

The blackboard is arranged on the wall of a classroom, wherein the top beam and the side plate are respectively and fixedly connected with the wall, and before use, as shown in figure 5, the blackboard body 2 is arranged in parallel with the wall. This blackboard can normal use under this state, write the back full in the one side of blackboard, rotatable crank 52, it rotates to drive first bevel gear 61 through second bevel gear 51, first bevel gear 61 drives drive shaft 6 and rotates, drive shaft 6 drives second runner 41 and third runner 18 and rotates, second runner 41 and third runner 18 drive the first runner 15 of bottom fixedly connected with slider 19 through drive belt 4 and slide along spout 13, slider 13 drives the upset that plate body 2 can realize plate body 2 through a supporting beam 3 when first runner 15 slides along spout 13, thereby realize the regulation of plate body 2 user plane.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a blackboard of convenient regulation, is including installing the mount on the wall, mount movable mounting has the plate body, its characterized in that: the mount includes the back timber, the back timber rotates and is connected with a supporting beam, a supporting beam rotates with the plate body top surface to be connected, back timber sliding connection has the slider, the slider rotates with the one end of plate body top surface to be connected, the slider rotates with the plate body to be connected with first runner, back timber both ends bottom surface is provided with second runner and third runner, install the drive belt between second runner and the third runner, accessible drive belt drives first runner and rotates when second runner rotates with the third runner, second runner bottom is provided with and drives second runner pivoted drive arrangement.

2. The blackboard convenient to adjust according to claim 1, characterized in that: one end of the top beam is provided with a first rotating hole, one end of the supporting beam is provided with a first rotating column, the first rotating column is in rotating fit with the first rotating hole, a first supporting column is arranged at the middle position of the top surface of the supporting beam, and one end, far away from the first rotating column, of the supporting beam is rotatably connected with the first supporting column.

3. The blackboard convenient to adjust according to claim 1, characterized in that: the back timber is provided with the spout, the spout transversely sets up along the back timber body, slider and spout sliding fit.

4. The blackboard convenient to adjust as claimed in claim 3, wherein: the sliding groove is a convex sliding groove, and the sliding block is matched with the sliding groove in shape.

5. The blackboard convenient to adjust according to claim 1, characterized in that: a fixing column is arranged between the sliding block and the top surface of the plate body, and the first rotating wheel is in running fit with the fixing column.

6. The blackboard convenient to adjust according to claim 1, characterized in that: the utility model discloses a roof beam, including the back timber, the both ends of back timber are provided with first corbel and second corbel, first corbel and second corbel set up with the back timber is perpendicular respectively, the second runner is installed in first corbel bottom and is rotated with first corbel and be connected, the third runner is installed in second corbel bottom and is rotated with the second corbel and be connected.

7. The blackboard convenient to adjust as claimed in claim 6, wherein: the one end that the back timber was kept away from to first back timber is provided with perpendicular roof beam, perpendicular roof beam both sides are provided with the curb plate, curb plate and wall fixed connection, drive arrangement installs between two curb plates.

8. The blackboard convenient to adjust as claimed in claim 7, wherein: the driving device comprises a driving shaft, the top of the driving shaft is rotatably connected with the first supporting beam, the second rotating wheel is fixedly connected with the driving shaft, a first bevel gear is welded at the bottom of the driving shaft, a rotating shaft is installed on the vertical beam, a second bevel gear is welded at one end of the rotating shaft, and the first bevel gear is meshed with the second bevel gear.

9. The blackboard convenient to adjust according to claim 8, characterized in that: the vertical beam side wall is provided with a plate hole, and the rotating shaft is in running fit with the plate hole.

10. The blackboard convenient to adjust according to claim 8, characterized in that: and a crank which is convenient for rotating the rotating shaft is arranged at one end of the rotating shaft, which is far away from the second bevel gear.