CN210842247U - Height-adjustable's wisdom blackboard - Google Patents

Abstract

The utility model provides a height-adjustable intelligent blackboard, which comprises a blackboard body, a base, a rack and pinion lifting mechanism and a guiding device, wherein the blackboard body comprises a blackboard and a mounting bracket, the mounting bracket is arranged on the back of the blackboard and is connected with the base in a lifting way through the rack and pinion lifting mechanism and the guiding device; the base comprises a base body, a rotating shaft mechanism and a bottom plate, and the bottom plate is movably connected with the base body through the rotating shaft mechanism; the gear rack lifting mechanism comprises a gear, a rack and a driving device, the gear is in key connection with the driving device, the rack is arranged on the mounting bracket and is meshed with the rack, and the driving device is mounted on the bottom plate through the driving bracket. The height-adjustable intelligent blackboard is arranged under the guiding of the guiding device, the driving device drives the gear rack lifting mechanism to realize that the intelligent blackboard is adjustable in the height direction, the structure is simple, the operation is convenient, and the intelligent blackboard is stably adjustable in multiple stages in the height direction.

Description

Height-adjustable smart blackboard

technical field

The utility model relates to the field of educational equipment, in particular to a height-adjustable intelligent blackboard.

Background technique

With the continuous improvement of the level of science and technology, the teaching equipment has become more and more advanced, and many high-end teaching classrooms have used intelligent blackboards with rich functions. There are usually two installation methods for smart blackboards, one is wall-mounted and the other is fixed base-mounted. However, in practical applications, the main subjects of teaching students will be different. Some are young children, primary school students, middle school students or adults. The age span is relatively large. The installation method of the fixed base cannot meet the height needs of different teaching subjects.

The prior art discloses a height-adjustable blackboard with an announcement number of: CN 204222464 U. The utility model discloses a height-adjustable blackboard, which mainly includes a fixed base, a blackboard main body, a fixed frame, buttons, telescopic rods and Air pressure device, the main body of the blackboard is set in the fixed frame, the button is set on the fixed frame, one end of the telescopic rod is connected to the fixed base, and the other end is connected to the fixed frame, the air pressure device is arranged on the fixed frame In the telescopic rod, the button is electrically connected with the air pressure device; the air pressure device includes an air pump and a cylinder. The utility model has a simple structure, is easy to use, and realizes the height adjustment of the blackboard, but in actual use, there are the following two question:

1. The stroke of the cylinder is usually a fixed stroke. Therefore, for the use of the cylinder as the power to adjust the height of the blackboard, usually only two definite heights can be adjusted, and this height is determined by the stroke of the cylinder. The main body of students may often need to be adjusted to a variety of different heights.

2. It is difficult to guarantee the stability of the air source, so there will be shocks during the adjustment process, which will have a certain impact on the service life of some electrical components in the smart blackboard.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, and propose a height-adjustable smart blackboard. A rack and pinion lifting mechanism is set between the blackboard body and the base. Under the guidance of the guiding device, the driving device drives the gear teeth. The bar lifting mechanism realizes that the smart blackboard can be adjusted in the height direction, with simple structure and convenient operation, and realizes the stable and multi-level adjustment of the smart blackboard in the height direction.

In order to achieve the above purpose, the present utility model provides a height-adjustable smart blackboard, which includes a blackboard body, a base, a rack and pinion lifting mechanism and a guide device. The blackboard body includes a blackboard and an installation bracket, and the installation bracket is arranged on the back of the blackboard, and The rack and pinion lifting mechanism and the guiding device are connected to the base for lifting; the base includes a base body, a rotating shaft mechanism and a bottom plate, and the bottom plate is movably connected to the base body through the rotating shaft mechanism; the rack and pinion lifting mechanism includes a gear, a rack and a driving device, and the gear and the The driving device is connected by a key, the rack is arranged on the mounting bracket and meshes with the rack, and the driving device is installed on the bottom plate through the driving bracket. Further, the rotating shaft mechanism includes an upper support, a lower support and a damping rotating shaft, the upper support is arranged under the bottom plate, the lower support is arranged above the base body, and the damping rotating shaft is inserted between the upper support and the lower support. .

Further, the driving device is a driving motor or a manual shaking handle.

Further, the driving device is a driving motor, and the driving motor is configured with a control module, and the control module includes a motor start-stop switch, a blackboard up button and a blackboard down button.

Further, the bottom plate is provided with a guide bracket corresponding to the guide device, the installation bracket is connected with the guide bracket through the guide device, and the guide device is a linear guide slider structure or a linear bearing guide structure. The linear guide slider structure includes a linear guide and a slider, and the linear bearing guide structure includes a linear guide and a linear bearing. The linear guide is installed on the guide bracket, and the slider or the linear bearing is installed on the mounting bracket of the blackboard body.

Further, the two ends of the guide device are respectively provided with limit devices to prevent the sliding block or the linear bearing from being separated from the guide rail.

Further, a rack guide frame is also provided on the bottom plate, which is used for guiding the part of the rack exposed to the mounting bracket.

Further, a number of rolling casters are arranged at the bottom of the base body to facilitate the movement of the smart blackboard, and a locking mechanism is provided on the rolling casters to facilitate the fixing of the smart blackboard.

Further, the height-adjustable smart blackboard further includes a shield, the shield is sleeved on the outside of the guide device, and the shield is a telescopic shield.

Because the utility model adopts the above technical solutions, the beneficial effects that the present application possesses are:

1. The present invention adopts a rack-and-pinion lifting mechanism between the smart blackboard and the base, so that the smart blackboard can be lifted smoothly without impact.

2. The utility model adopts the driving device to drive the rack and pinion lifting mechanism to realize the height adjustment of the intelligent blackboard, the structure is simple, the operation is convenient, and the intelligent blackboard can be adjusted in multiple levels in the height direction.

3. The base of the utility model is provided with a rotating shaft mechanism, which is convenient to adjust the inclination angle of the blackboard, provides a suitable viewing angle for the user or can reduce the reflection of the blackboard.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a three-dimensional schematic diagram of a height-adjustable smart blackboard removing shield according to the present invention.

2 is a front view of a height-adjustable smart blackboard of the present invention.

Reference numbers above:

1. Blackboard body; 11. Blackboard; 12. Mounting bracket; 2. Base; 21. Base body; 22. Shaft mechanism; 23. Bottom plate; 24. Guide bracket; 3. Rack and pinion lifting mechanism; 31. Gear; 32 , rack; 33, drive device; 4, guide device; 41, slider; 42, linear guide rail; 5, rack guide frame; 6, rolling casters; 7, locking mechanism; 8, shield.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

1 and 2, the present invention provides a height-adjustable smart blackboard, including a blackboard body 1, a base 2, a rack and pinion lifting mechanism 3 and a guide device 4, the blackboard body 1 includes a blackboard 11 and an installation bracket 12, The mounting bracket 12 is arranged on the back of the blackboard 11, and is connected up and down with the base 2 through the rack and pinion lifting mechanism 3 and the guide device 4; The main body 21 is movably connected; the rack and pinion lifting mechanism 3 includes a gear 31, a rack 32 and a driving device 33, the gear 31 and the driving device 33 are connected by a key, and the rack 32 is arranged on the mounting bracket 12 and meshes with the rack 32. , the driving device 33 is mounted on the base plate 23 through the driving bracket.

1, in order to provide users with a suitable viewing angle, the height-adjustable smart blackboard is provided with a rotating shaft mechanism 22 for adjusting the tilt angle of the blackboard. The rotating shaft mechanism 22 includes an upper support, a lower support and a damping shaft, and the upper support is provided with Below the bottom plate 23, the lower support is arranged on the upper surface of the base body 21, and the damping shaft is inserted between the upper support and the lower support.

1, in order to facilitate the operation, the driving device 33 is a driving motor or a human-powered shaking handle. In this embodiment, a driving motor is used as the driving device 33, and the driving motor is installed on the base body 21 through a driving bracket. For convenient and quick control The drive motor completes the lifting action. In this embodiment, a control module is also configured. The control module includes a motor start-stop switch, a blackboard up button and a blackboard down button switch. Under the action of the control module, the blackboard up button is touched, the drive motor drives the gear 31 to rotate, the gear 31 drives the rack 32 to move in the vertical direction, and the rack 32 drives the blackboard body 1 to rise and fall in the vertical direction.

1, the bottom plate 23 is provided with a guide bracket 24 corresponding to the guide device 4, the installation bracket 12 is connected with the guide bracket 24 through the guide device 4, and the guide device 4 is a linear guide slider structure or a linear bearing guide structure. The linear guide slider structure includes a linear guide 42 and a slider 41, and the linear bearing guide structure includes a linear guide and a linear bearing. The linear guide 42 is installed on the guide bracket 24, and the slider 41 or the linear bearing is installed on the mounting bracket 12 of the blackboard body 1. , In this embodiment, the linear guide slider structure is used as the guide device 4 .

Referring to FIG. 1 , in order to better realize the guiding function, the linear guide rail 42 of the guiding device 4 is arranged in parallel with the rack 32 .

Preferably, referring to FIG. 1 , the bottom plate 23 is also provided with a rack guide frame 5 for guiding the exposed part of the rack 32 to the mounting bracket 12 to prevent the cantilever rack 32 from deforming after being stressed and causing the gear 31 to disengage from meshing.

Preferably, referring to FIG. 1 , in this embodiment, four feet at the bottom of the base body 21 are respectively provided with rolling casters 6 , which are universal wheels to facilitate the overall movement of the smart blackboard. At the same time, in order to ensure the stability of the smart blackboard during teaching, the rolling casters 6 are provided with a locking mechanism 7 for fixing the rolling casters 6 .

Preferably, referring to FIG. 2 , the height-adjustable smart blackboard further includes a shield 8 , which is sleeved on the outside of the guide device 4 , and the shield 8 is a telescopic shield for the guide device 4 and the rack and pinion lifting mechanism 3 . protection and improve the aesthetics of this smart blackboard.

The above is a detailed introduction of the present invention. Specific examples are used to illustrate the principles and implementations of the present invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range.

Claims (9)

1. a height-adjustable wisdom blackboard, is characterized in that, comprises blackboard body, base, rack and pinion lifting mechanism and guide device, and described blackboard body comprises blackboard and mounting bracket, and described mounting bracket is arranged on the back of blackboard, And through the rack and pinion lifting mechanism, the guide device and the base lifting connection; The base includes a base body, a rotating shaft mechanism and a bottom plate, the bottom plate is movably connected to the base body through a rotating shaft mechanism, the rotating shaft mechanism includes an upper support, a lower support and a damping shaft, and the upper support is arranged below the base plate , the lower support is arranged on the top of the base body, and the damping shaft is inserted between the upper support and the lower support; The rack and pinion lifting mechanism includes a gear, a rack and a driving device, the gear and the driving device are connected by a key, the rack is arranged on the mounting bracket, and meshes with the rack, and the driving device passes through the driving bracket. Mounted on the baseplate. 2 . The height-adjustable smart blackboard according to claim 1 , wherein the driving device is a driving motor or a manual shaking handle. 3 . 3 . The height-adjustable smart blackboard according to claim 2 , wherein the driving device is a driving motor, and the driving motor is configured with a control module. 4 . 4 . The height-adjustable smart blackboard according to claim 3 , wherein the control module comprises a motor start-stop switch, a blackboard up button and a blackboard down button. 5 . 5 . The height-adjustable smart blackboard according to claim 1 , wherein the bottom plate is provided with a guide bracket corresponding to the guide device, and the installation bracket is connected to the guide device through the guide device. 6 . The guide bracket is connected, and the guide device is a linear guide slider structure or a linear bearing guide structure. 6 . The height-adjustable smart blackboard according to claim 5 , wherein the linear guide slider structure includes a linear guide rail and a slider, and the linear bearing guide structure includes a linear guide rail and a linear bearing. 7 . The linear guide rail is mounted on the guide bracket, and the sliding block or the linear bearing is mounted on the mounting bracket of the blackboard body. 7 . The height-adjustable smart blackboard according to claim 6 , wherein the two ends of the linear guide rail are respectively provided with limit devices to prevent the slider or the linear bearing from detaching from the guide rail. 8 . 8 . The height-adjustable smart blackboard according to claim 1 , wherein a rack guide frame is further provided on the bottom plate, which is used for guiding the exposed mounting bracket portion of the rack. 9 . 9 . The height-adjustable smart blackboard according to claim 1 , wherein the height-adjustable smart blackboard further comprises a shield, the shield is sleeved on the outside of the guide device, and the shield is 9 . For the telescopic cover.

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