CN214905203U

CN214905203U - Wisdom blackboard adjusting device

Info

Publication number: CN214905203U
Application number: CN202023301706.1U
Authority: CN
Inventors: 朱恒; 刘保民; 李东
Original assignee: Henan Runwen Electronic Technology Co ltd
Current assignee: Henan Runwen Electronic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-30
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an intelligent blackboard adjusting device, which comprises a base, wherein the base is detachably connected with a stand column, the stand column is of a ladder-shaped structure, the upper part of the stand column is sleeved with a lifting rod, the upper end of the lifting rod is fixedly provided with a connecting plate, the stand column and the lifting rod are both of a hollow structure, a cavity is formed between the inner wall of the lifting rod and the outer wall of the upper part of the stand column, a slider matched for use is arranged in the cavity, the slider is fixedly connected to the upper part of the outer wall of the stand column, the inner wall of the upper end of the lifting rod is fixedly connected with a rack, the rack extends to the inside of the stand column, the lifting rod is provided with a chute, and the upper part of the outer wall of the stand column is fixedly provided with an adjusting device corresponding to the chute; generally, the utility model has the advantages of but height-adjusting, stability is good, convenient to use.

Description

Wisdom blackboard adjusting device

Technical Field

The utility model relates to a wisdom blackboard especially relates to a wisdom blackboard adjusting device.

Background

With the continuous improvement of the technological level, teaching equipment is more and more advanced, and a plurality of high-end teaching classrooms use intelligent blackboards with rich functions; the intelligent blackboard is usually installed in two ways, one is a wall-mounted type, and the other is a fixed base installation type; 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, the installation mode of the fixing base cannot meet the height requirements of different teaching bodies, and the use is very inconvenient; therefore, in order to solve the above problems, an intelligent blackboard adjusting device is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a but height-adjusting, good, the convenient to use's of stability wisdom blackboard adjusting device.

In order to achieve the above purpose, the utility model provides an intelligent blackboard adjusting device, which comprises a base, wherein the base is detachably connected with a stand column, the stand column is in a ladder-shaped structure, a lifting rod is sleeved at the upper part of the stand column, a connecting plate is fixedly arranged at the upper end of the lifting rod, the stand column and the lifting rod are both in a hollow structure, a cavity is formed between the inner wall of the lifting rod and the outer wall of the upper part of the stand column, a slide block matched with the use is arranged in the cavity, the slide block is fixedly connected at the upper part of the outer wall of the stand column, a rack is fixedly connected on the inner wall of the upper end of the lifting rod, the rack extends to the inside of the stand column, a chute is arranged on the lifting rod, an adjusting device is fixedly arranged at the part of the upper part of the outer wall of the stand column corresponding to the chute, the adjusting device comprises an installing frame and a connecting shaft, the installing frame is fixedly connected on the outer wall of the stand column, a fixed plate is fixedly connected at the upper end, and a linear expansion device is fixedly connected at the lower end of the fixed plate, the utility model discloses a linear expansion device, including straight line telescoping device, connecting rod mechanism, connecting shaft, rack and driving device, straight line telescoping device lower extreme swing joint has link mechanism, link mechanism lower extreme swing joint has the trip, the trip lower extreme passes through the rotation axis and is connected with the mounting bracket rotation, the connecting shaft pass through the bearing with the stand is connected, and its one end runs through stretch into behind the spout inside the stand, the connecting shaft stretches into the inside one end of stand and is equipped with the gear that uses with the rack cooperation, and the other end stretches out link firmly behind the stand in proper order card wheel and drive arrangement, the card wheel cover is established and is linked firmly on the connecting shaft, with the trip cooperation is used.

The two sides of the upper end of the step part of the upright column are symmetrically and fixedly connected with buffering devices, and the buffering devices are located below the lifting rod.

The buffer device adopts a hydraulic buffer.

The lower end of the base is uniformly provided with supporting legs, and the bottoms of the supporting legs are provided with anti-slip pads.

And one surface of the sliding block, which is in contact with the lifting rod, is compounded with a wear-resistant material.

The driving device adopts a hand wheel which is sleeved and fixedly connected on the connecting shaft.

The driving device adopts a motor which is fixedly connected on the outer wall of the upright post and fixedly connected with the connecting shaft through a coupler, and the motor is electrically connected with the controller.

And a torsional spring is arranged on the connecting shaft of the connecting rod mechanism.

The linear expansion device adopts a nitrogen spring.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the intelligent blackboard body of the utility model is fixedly connected on the connecting plate, the gear is driven to rotate by the driving device, and the gear is matched with the rack to lift, thereby driving the connecting plate to move up and down, realizing the height adjustment of the intelligent blackboard and being very convenient to use;

2. the clamping hook arranged in the utility model can limit the clamping wheel, and after the required height is adjusted, the lifting rod is limited by clamping the clamping wheel through the clamping hook, so that the falling of the lifting rod due to dead weight is avoided, the stability of the whole device is better, and the use is more convenient;

3. the utility model can slow down the impact of the lifting rod on the upright post and protect the lifting rod and the upright post through the arrangement of the buffer device; the friction force between the supporting legs and the contact surface is increased by arranging the anti-slip pads, so that the stability of the whole device is further improved; generally, the utility model has the advantages of but height-adjusting, stability is good, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the present invention in partial section;

fig. 3 is a schematic perspective view of the adjusting device of the present invention;

in the figure: the device comprises a base 1, a column 2, a lifting rod 3, a connecting plate 4, a cavity 5, a sliding block 6, a rack 7, a sliding groove 8, an adjusting device 9, a mounting rack 91, a fixing plate 92, a linear telescopic device 93, a connecting mechanism 94, a 95 clamping hook, a connecting shaft 96, a bearing 97, a gear 98, a clamping wheel 99, a hand wheel 910, a 911 rotating shaft, a torsion spring 912, a buffer 10 and a support leg 11.

Detailed Description

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

Example 1:

as shown in fig. 1 and 2, an intelligent blackboard adjusting device comprises a base 1 and is characterized in that: base 1 detachable is connected with stand 2, stand 2 is the echelonment structure, and its upper portion cover is equipped with

lifter

3, 3 upper ends of lifter have set firmly connecting plate 4, and wisdom blackboard body links firmly on connecting plate 4, stand 2 and lifter 3 are hollow structure, the inner wall of lifter 3 with be formed with cavity 5 between the upper portion outer wall of stand 2, be equipped with the slider 6 that the cooperation was used in the cavity 5, slider 6 links firmly on 2 outer wall upper portions of stand, rack 7 has been linked firmly on the 3 upper end inner walls of lifter, rack 7 extends to the inside of stand 2, be equipped with spout 8 on the

lifter

3, 2 outer wall upper portion of stand corresponds spout 8 department and has set firmly adjusting device 9.

As shown in fig. 3, the adjusting device 9 includes a mounting frame 91 and a connecting shaft 96, the mounting frame 91 is fixedly connected to the outer wall of the upright 2, the upper end of the mounting frame is fixedly connected to a fixing plate 92, the lower end of the fixing plate 92 is fixedly connected to a linear expansion device 93, the lower end of the linear expansion device 93 is movably connected to a link mechanism 94, the link mechanism 94 is not described in detail herein, as long as the linear expansion device 93 can drive a hook 95 through the link mechanism 94 to separate the hook 95 from a catch wheel 99, the link mechanism 94 can be an independent connecting rod, the lower end of the link mechanism 94 is movably connected to the hook 95, the lower end of the hook 95 is rotatably connected to the mounting frame 91 through a rotating shaft 911, the connecting shaft 96 is connected to the upright 2 through a bearing 97, one end of the connecting shaft penetrates through the sliding groove 8 and then extends into the upright 2, one end of the connecting shaft 96 extending into the upright 2 is provided with a gear 98 used in cooperation with the rack 7, the other end stretches out and is linked firmly card wheel 99 and drive arrangement in proper order behind the stand 2, card wheel 99 cover is established and is linked firmly on connecting axle 96, with trip 95 uses in coordination.

2 stair portion upper end bilateral symmetry of stand has linked firmly buffer 10, buffer 10 is located lifter 3 below, buffer 10 adopts hydraulic buffer, can slow down the striking of lifter 3 to stand 2, protects lifter 3 and stand 2.

The lower end of the base 1 is uniformly provided with supporting legs 11, the bottoms of the supporting legs 11 are provided with anti-slip pads, friction force between the supporting legs 11 and the ground is increased, and stability of the whole device is further improved.

The side of the sliding block 6, which is in contact with the lifting rod 3, is compounded with a wear-resistant material, so that the wear resistance of the sliding block 6 is enhanced, and the service life is prolonged.

The driving device adopts a hand wheel 910, and the hand wheel 910 is sleeved and fixedly connected on the connecting shaft 96 to manually adjust the intelligent blackboard; the driving device adopts a motor which is fixedly connected to the outer wall of the stand column 2 and fixedly connected with the connecting shaft 96 through a coupler, and the motor is electrically connected with the controller to realize automatic adjustment of the intelligent blackboard.

A torsion spring 912 is arranged on a connecting shaft of the link mechanism 94, and the torsion spring 912 is added for realizing automatic reset of the hook 95; the linear expansion device 93 adopts a nitrogen spring and can drive the clamping hook 95 to realize the separation and clamping with the clamping wheel 99.

The utility model discloses a use method does: when the intelligent blackboard is used, the linear expansion device 93 moves in a manual or electric mode, the clamping hook 95 is separated from the clamping wheel 99 through the connecting rod mechanism 94, then the driving device drives the gear to rotate, the gear is matched with the gear to drive the rack to lift, so that the connecting plate is driven to move up and down, and the height of the intelligent blackboard is adjusted; after the adjustment is completed, the linear expansion device 93 is reset to drive the hook 95 to move, and the hook contacts the clamp wheel 99 again to clamp the clamp wheel 99.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an wisdom blackboard adjusting device, includes the base, its characterized in that: the base is detachably connected with a stand column, the stand column is of a stepped structure, a lifting rod is sleeved at the upper part of the stand column, a connecting plate is fixedly arranged at the upper end of the lifting rod, the stand column and the lifting rod are of hollow structures, a cavity is formed between the inner wall of the lifting rod and the outer wall of the upper part of the stand column, a sliding block matched for use is arranged in the cavity, the sliding block is fixedly connected to the upper part of the outer wall of the stand column, a rack is fixedly connected to the inner wall of the upper end of the lifting rod, the rack extends to the inside of the stand column, a sliding groove is formed in the lifting rod, an adjusting device is fixedly arranged at the position, corresponding to the sliding groove, of the upper part of the outer wall of the stand column, the adjusting device comprises a mounting frame and a connecting shaft, the mounting frame is fixedly connected to the outer wall of the stand column, a fixing plate is fixedly connected to the upper end of the fixing plate, a linear expansion device is fixedly connected to the lower end of the fixing plate, and a connecting rod mechanism is movably connected to the lower end of the linear expansion device, the connecting rod mechanism lower extreme swing joint has the trip, the trip lower extreme passes through the rotation axis and is connected with the mounting bracket rotation, the connecting axle pass through the bearing with the stand is connected, and its one end runs through stretch into behind the spout inside the stand, the connecting axle stretches into the inside one end of stand and is equipped with the gear that uses with the rack cooperation, and the other end stretches out link firmly pinch roller and drive arrangement behind the stand in proper order, the pinch roller cover is established and is linked firmly on the connecting axle, with the trip cooperation is used.

2. The intelligent blackboard adjusting device of claim 1, wherein: the two sides of the upper end of the step part of the upright column are symmetrically and fixedly connected with buffering devices, and the buffering devices are located below the lifting rod.

3. The intelligent blackboard adjusting device of claim 2, wherein: the buffer device adopts a hydraulic buffer.

4. The intelligent blackboard adjusting device of claim 1, wherein: the lower end of the base is uniformly provided with supporting legs, and the bottoms of the supporting legs are provided with anti-slip pads.

5. The intelligent blackboard adjusting device of claim 1, wherein: and one surface of the sliding block, which is in contact with the lifting rod, is compounded with a wear-resistant material.

6. The intelligent blackboard adjusting device of claim 1, wherein: the driving device adopts a hand wheel which is sleeved and fixedly connected on the connecting shaft.

7. The intelligent blackboard adjusting device of claim 1, wherein: the driving device adopts a motor which is fixedly connected on the outer wall of the upright post and fixedly connected with the connecting shaft through a coupler, and the motor is electrically connected with the controller.

8. The intelligent blackboard adjusting device of claim 1, wherein: and a torsional spring is arranged on the connecting shaft of the connecting rod mechanism.

9. The intelligent blackboard adjusting device of claim 1, wherein: the linear expansion device adopts a nitrogen spring.