CN210842247U

CN210842247U - Height-adjustable's wisdom blackboard

Info

Publication number: CN210842247U
Application number: CN201920387631.1U
Authority: CN
Inventors: 陈娅芳; 李政军
Original assignee: Hunan New Cloudnet Technology Co ltd
Current assignee: Hunan New Cloudnet Technology Co ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-06-26
Anticipated expiration: 2029-03-26

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's wisdom blackboard

Technical Field

The utility model relates to an educational equipment field especially relates to a height-adjustable's wisdom blackboard.

Background

Along with the continuous improvement of science and technology level, teaching equipment is also more and more advanced, and the intelligent blackboard that has abundant function has all been used in many high-end teaching classrooms. The intelligent blackboard is usually installed in two ways, one is wall-mounted, and the other is fixed base installation. However, in practical application, the facing teaching student bodies are different, and some of the teaching student bodies are infants, primary school students, middle school students or adults, the age span is large, and the mounting mode of the fixing base cannot meet the height requirements of different teaching main bodies.

The prior art discloses the announcement number as: the utility model discloses a blackboard with adjustable height of CN 204222464U, which mainly comprises a fixed base, a blackboard main body, a fixed frame, a button, a telescopic rod and an air pressure device, wherein the blackboard main body is arranged in the fixed frame, the button is arranged on the fixed frame, one end of the telescopic rod is connected with the fixed base, the other end of the telescopic rod is connected with the fixed frame, the air pressure device is arranged in the telescopic rod, and the button is electrically connected with the air pressure device; the air pressure device comprises an air pump and an air cylinder, the utility model has the advantages of simple structure and convenient use, realizes the height adjustment of the blackboard, but in the actual use, has the following two problems:

1. the stroke of the air cylinder is usually a fixed stroke, so that for using the air cylinder as the power for adjusting the height of the blackboard, only two fixed height adjustments can be usually realized, and the height is determined by the stroke of the air cylinder, and different heights can be usually required to be adjusted for different student bodies.

2. The stability of the air source is difficult to guarantee, so that impact can exist in the adjusting process, and the service life of some electrical components in the intelligent blackboard can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art not enough, provide a height-adjustable's wisdom blackboard, adopt and set up rack and pinion elevating system between blackboard body and base, under guider's direction, drive arrangement drive gear rack elevating system realizes that the wisdom blackboard is adjustable at the direction of height, simple structure, and convenient operation has realized that the wisdom blackboard is at the steady multistage adjustable of direction of height.

In order to achieve the purpose, 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. Further, pivot mechanism includes upper bracket, undersetting and damping pivot, and the upper bracket setting is below the bottom plate, and the undersetting setting is on base body, and the damping pivot is inserted and is established between upper bracket and undersetting.

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

Further, the driving device is a driving motor, the driving motor is provided with a control module, and the control module comprises a motor start-stop switch, a blackboard upward lifting button and a blackboard downward lowering button.

Furthermore, the bottom plate is provided with a guide support correspondingly matched with the guide device, the mounting support is connected with the guide support through the guide device, and the guide device is of a linear guide rail sliding block structure or a linear bearing guide structure. The linear guide rail and slider structure comprises a linear guide rail and a slider, the linear bearing guide structure comprises a linear guide rail and a linear bearing, the linear guide rail is arranged on the guide support, and the slider or the linear bearing is arranged on the mounting support of the blackboard body.

Furthermore, two ends of the guide device are respectively provided with a limiting device for preventing the sliding block or the linear bearing from separating from the guide rail.

Furthermore, a rack guide frame is arranged on the bottom plate and used for guiding the rack to expose out of the mounting bracket part.

Furthermore, a plurality of rolling trundles are further arranged at the bottom of the base body, so that the intelligent blackboard can be conveniently moved, and locking mechanisms are arranged on the rolling trundles, so that the intelligent blackboard can be conveniently fixed.

Further, height-adjustable's wisdom blackboard still includes the guard shield, and the guider outside is located to the guard shield cover, and the guard shield is flexible guard shield.

Because the utility model adopts the above technical scheme, make the beneficial effect that this application possesses lie in:

1. the utility model discloses a set up rack and pinion elevating system between wisdom blackboard and base for the lift of wisdom blackboard is steady, and is not strikeed.

2. The utility model discloses a drive arrangement drive gear rack elevating system realizes that the wisdom blackboard is adjustable at the direction of height, simple structure, and convenient operation has realized that the wisdom blackboard is multistage adjustable at the direction of height.

3. The utility model discloses be equipped with pivot mechanism on the base, conveniently adjust the inclination of blackboard, for the user provides suitable viewing angle or can reduce the reflection of light of blackboard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is the utility model relates to a guard shield stereogram is got rid of to height-adjustable's wisdom blackboard.

Figure 2 is the utility model relates to a height-adjustable's wisdom blackboard front view.

The above reference numerals:

1. a blackboard body; 11. a blackboard; 12. mounting a bracket; 2. a base; 21. a base body; 22. a rotating shaft mechanism; 23. a base plate; 24. a guide bracket; 3. a rack and pinion lifting mechanism; 31. a gear; 32. a rack; 33. a drive device; 4. a guide device; 41. a slider; 42. a linear guide rail; 5. a rack guide frame; 6. a roll caster; 7. a locking mechanism; 8. a shield.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings and specific embodiments:

referring to fig. 1 and 2, the utility model provides a height-adjustable intelligent blackboard, which comprises a blackboard body 1, a base 2, a rack and pinion lifting mechanism 3 and a guiding device 4, wherein the blackboard body 1 comprises a blackboard 11 and a mounting bracket 12, the mounting bracket 12 is arranged on the back of the blackboard 11 and is connected with the base 2 in a lifting way through the rack and pinion lifting mechanism 3 and the guiding device 4; the base 2 comprises a base body 21, a rotating shaft mechanism 22 and a bottom plate 23, wherein the bottom plate 23 is movably connected with the base body 21 through the rotating shaft mechanism 22; the rack and pinion lifting mechanism 3 comprises a gear 31, a rack 32 and a driving device 33, wherein the gear 31 is in key connection with the driving device 33, the rack 32 is arranged on the mounting bracket 12 and is meshed with the rack 32, and the driving device 33 is mounted on the bottom plate 23 through the driving bracket.

Referring to fig. 1, in order to provide a suitable viewing angle for a user, the height-adjustable intelligent blackboard is provided with a rotating shaft mechanism 22 which is convenient for adjusting the inclination angle of the blackboard, the rotating shaft mechanism 22 comprises an upper support, a lower support and a damping rotating shaft, the upper support is arranged below a bottom plate 23, the lower support is arranged on a base body 21, and the damping rotating shaft is inserted between the upper support and the lower support.

Referring to fig. 1, for the convenience of operation, the driving device 33 is a driving motor or a manual shaking handle, in this embodiment, the driving motor is used as the driving device 33, the driving motor is installed on the base body 21 through a driving support, and for the convenience of rapid control of the driving motor to complete the lifting action, the driving device is further provided with a control module in this embodiment, and the control module comprises a motor start-stop switch, a blackboard upward lifting button and a blackboard downward lowering button switch. Under the action of the control module, a button for lifting the blackboard upwards is touched, the driving 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 lift in the vertical direction.

Referring to fig. 1, the bottom plate 23 is provided with a guide bracket 24 correspondingly matched with the guide device 4, the mounting bracket 12 is connected with the guide bracket 24 through the guide device 4, and the guide device 4 is a linear guide rail slider structure or a linear bearing guide structure. The linear guide rail sliding block structure comprises a linear guide rail 42 and a sliding block 41, the linear bearing guide structure comprises a linear guide rail and a linear bearing, the linear guide rail 42 is installed on the guide support 24, the sliding block 41 or the linear bearing is installed on the installation support 12 of the blackboard body 1, and in the embodiment, the linear guide rail sliding block structure is adopted as the guide device 4.

Referring to fig. 1, the linear guide 42 of the guide device 4 is disposed parallel to the rack 32 for better performing the guiding function.

Preferably, referring to fig. 1, a rack guide 5 is further provided on the bottom plate 23 for guiding the exposed portion of the rack 32 from the mounting bracket 12, so as to prevent the cantilever rack 32 from deforming under a force and causing the rack to disengage from the gear 31.

Preferably, referring to fig. 1, in the present embodiment, the four legs of the bottom of the base body 21 are respectively provided with rolling casters 6, and the rolling casters 6 are universal wheels, so that the overall movement of the intelligent blackboard is facilitated. Meanwhile, in order to ensure the stability of the intelligent blackboard during teaching, the rolling caster wheels 6 are provided with locking mechanisms 7 for fixing the rolling caster wheels 6.

Preferably, referring to fig. 2, the height-adjustable intelligent blackboard further comprises a protective cover 8, the protective cover 8 is sleeved outside the guide device 4, and the protective cover 8 is a telescopic protective cover and used for protecting the guide device 4 and the rack-and-pinion lifting mechanism 3 and improving the attractiveness of the intelligent blackboard.

The above is a detailed introduction of the present invention, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the explanations of the above embodiments are only used to help understand the methods and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An intelligent blackboard with adjustable height is characterized by comprising a blackboard body, a base, a gear rack lifting mechanism and a guide device, wherein the blackboard body comprises a blackboard and a mounting support, the mounting support is arranged on the back of the blackboard and is connected with the base in a lifting manner through the gear rack lifting mechanism and the guide device;

the base comprises a base body, a rotating shaft mechanism and a bottom plate, the bottom plate is movably connected with the base body through the rotating shaft mechanism, the rotating shaft mechanism comprises an upper support, a lower support and a damping rotating shaft, the upper support is arranged below 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;

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.

2. The intelligent blackboard of claim 1, wherein the driving device is a driving motor or a manual rocking handle.

3. The intelligent blackboard of claim 2, wherein the driving device is a driving motor, and the driving motor is provided with a control module.

4. The height-adjustable intelligent blackboard according to claim 3, wherein the control module includes a motor start-stop switch, a blackboard up-raising button and a blackboard down-lowering button.

5. The height-adjustable intelligent blackboard according to claim 1, wherein the bottom plate is provided with a guide bracket correspondingly matched with the guide device, the mounting bracket is connected with the guide bracket through the guide device, and the guide device is a linear guide rail slider structure or a linear bearing guide structure.

6. The intelligent blackboard with adjustable height according to claim 5, wherein the linear guide rail and slider structure includes a linear guide rail and a slider, the linear bearing guide structure includes a linear guide rail and a linear bearing, the linear guide rail is installed on the guide bracket, and the slider or the linear bearing is installed on the installation bracket of the blackboard body.

7. The intelligent height-adjustable blackboard according to claim 6, wherein the two ends of the linear guide rail are respectively provided with a limiting device for preventing the sliding block or the linear bearing from separating from the guide rail.

8. The intelligent blackboard of claim 1, wherein the bottom plate is further provided with a rack guide for guiding the rack to expose the mounting bracket.

9. The intelligent height-adjustable blackboard according to claim 1, further comprising a protective cover, the protective cover is sleeved outside the guiding device, and the protective cover is a telescopic protective cover.