CN213935317U

CN213935317U - Chinese language and literature contrast explanation board

Info

Publication number: CN213935317U
Application number: CN202120211857.3U
Authority: CN
Inventors: 袁健燕; 肖红梅; 李进
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-08-10
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a chinese language and literature contrast explanation board, which comprises a fixed base, vertical rotation is connected with the stand on the fixing base, the explanation board is installed through clamping component in the stand upper end, the explanation board passes through its axial rotation along the stand of rotating assembly drive, in order to adjust the viewing angle of explanation board, rotating assembly includes the activity free bearing of connecting on the fixing base through the vertical rotation of installation pivot, horizontal installation has drive element on the activity free bearing, the last drive of drive element is connected with the movable block, be equipped with a swing arm on the stand, the one end that the stand was kept away from to the swing arm is articulated with the movable block, drive element drive movable block removes, and then the axial rotation of drive swing arm along the stand. The utility model discloses the beneficial effect who reaches is: the movable block is driven to move through the driving element, so that the movable block drives the swing arm to swing, the upright post is driven to rotate, and the watching angle of the explanation board is adjusted.

Description

Chinese language and literature contrast explanation board

Technical Field

The utility model relates to a teaching auxiliary device technical field specifically is a chinese language and literature contrast explanation board.

Background

In the chinese language teaching, the teacher mainly leans on writing, educates the student, and the blackboard writing has just become essential instrument, and traditional blackboard, when writing, the mr can only write according to the position of blackboard, and the position of blackboard can not adjust also can not rotate for the classmate who is in the corner can't be clear see the thing on the clipboard a bit, can't realize the contrast teaching moreover, supplementary teaching effect is unsatisfactory.

If chinese patent No. CN211454942U discloses a chinese language and literature contrast explanation board, including the explanation board main part, drive the rotation of speed reducer through the motor to drive the pivot and rotate, and then make the explanation version rotate, thereby make the student that is located the corner also can carry out careful watching to the content on the explanation board, strengthened the practicality of device, improve the teaching quality.

The present application also aims to provide a solution to the drawbacks of the prior art.

To solve the above problems, we propose a Chinese language and literature contrast interpretation board.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a chinese language and literature contrast explanation board, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:

the utility model provides a chinese language and literature contrast explanation board, place the fixing base on the face including demountable installation at the level, vertical rotation is connected with the stand on the fixing base, the explanation board is installed through clamping component in the stand upper end, the explanation board passes through its axial rotation along the stand of rotating assembly drive, in order to adjust the viewing angle of explanation board, rotating component includes the activity free bearing of connecting on the fixing base through the vertical rotation of installation pivot, horizontal installation has drive element on the activity free bearing, the last drive of drive element is connected with the movable block, be equipped with a swing arm on the stand, the one end that the stand was kept away from to the swing arm is articulated with the movable block, drive element drive movable block removes, and then drives the axial rotation along the stand of swing arm.

As a further optimization of the above technical solution, the driving element is an electric push rod, and a telescopic rod of the electric push rod is in threaded connection with the movable block.

As the further optimization of the technical scheme, the clamping assembly comprises a mounting plate horizontally arranged at the upper end of the stand column, one end of the mounting plate in the width direction is provided with a fixed clamping plate, the other end of the mounting plate is provided with a movable clamping plate, a clamping space for the vertical placement of the explanation board is enclosed between the fixed clamping plate and the movable clamping plate, the movable clamping plate is driven by a driving unit to move towards the fixed clamping plate, and then the movable clamping plate and the fixed clamping plate clamp the explanation board.

As the further optimization of the technical scheme, the driving unit comprises an adjusting block arranged on the mounting plate, an adjusting screw rod penetrates through the horizontal thread on the adjusting block, one end of the adjusting screw rod is rotatably connected with a floating seat, and the floating seat is fixedly connected to the movable clamping plate.

As a further optimization of the above technical solution, a ball head is coaxially and fixedly connected to the adjusting screw, and a spherical groove for the ball head to engage and freely rotate is formed in the floating seat.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: move through drive element drive movable block for the movable block drives the swing arm swing, and then the drive stand rotates, thereby adjusts the angle of watching of explanation board, through setting up clamping component, and then makes the explanation board can install fast and dismantle, can adapt to the explanation board of equidimension not in the certain limit simultaneously and use, so that promote teaching quality and efficiency better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of a chinese language and literature contrast explanation board of the present invention;

FIG. 2 is a side view angle schematic of the three-dimensional structure of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the three-dimensional structure at A in FIG. 2;

in the figure: 1-fixed seat, 2-swing arm, 3-upright post, 4-mounting plate, 5-fixed splint, 6-explanation plate, 7-movable hinged seat, 8-electric push rod, 9-movable block, 10-movable splint, 11-floating seat, 12-ball head, 13-adjusting block and 14-adjusting screw rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, a chinese language and literature contrast explanation plate comprises a fixed seat 1 installed on a horizontal placement surface (such as the ground or a platform) by using an expansion bolt, a vertical column 3 is vertically and rotatably connected to the fixed seat 1, an explanation plate 6 is installed at the upper end of the vertical column 3 through a clamping assembly, the explanation plate 6 is driven to rotate along the axial direction of the vertical column 3 through a rotating assembly, with the angle of watching of adjusting explanation board 6, the rotating assembly includes through the vertical rotation of installation pivot connect the activity free bearing 7 on fixing base 1, and horizontal installation has electric push rod 8 on the activity free bearing 7, and threaded connection has movable block 9 on electric push rod 8's the telescopic link, is equipped with a swing arm 2 on the stand 3, and the one end that stand 3 was kept away from to swing arm 2 is articulated with movable block 9, and electric push rod 8 drive movable block 9 removes, and then drives swing arm 2 along the axial rotation of stand 3.

In this embodiment, clamping assembly includes that the level locates mounting panel 4 of stand 3 upper end, and 4 width direction one ends of mounting panel are equipped with a solid fixed splint 5, and its other end is equipped with a movable splint 10, encloses into a tight space of clamp that is used for supplying the vertical placing of explanation board 6 between solid fixed splint 5, the movable splint 10 by its 5 direction removal of fixed splint of drive unit drive, and then make solid fixed splint 5, movable splint 10 press from both sides tight explanation board 6.

In this embodiment, the drive unit is including locating regulating block 13 on mounting panel 4, adjusting screw 14 is worn to be equipped with by the horizontal screw thread on regulating block 13, adjusting screw 14 one end is rotated and is connected with floating seat 11, floating seat 11 rigid coupling is on movable splint 10, close soon through adjusting screw 14 screw thread on regulating block 13, utilize the drive power that the screw thread closes soon, make movable splint 10 remove towards 5 directions of fixed splint, and then make fixed splint 5 and movable splint 10 carry out the fixed clamp to explanation board 6 jointly.

In this embodiment, specifically, the ball 12 is coaxially and fixedly connected to the adjusting screw 14, the floating seat 11 is provided with a spherical groove for the ball 12 to engage with and freely rotate, and the adjusting screw 14 is rotatably connected to the floating seat 11 by the rotation and the limitation of the ball 12 in the spherical groove, so that the adjusting screw 14 is rotatably connected to the movable clamp plate 10.

The utility model discloses a theory of operation: when the viewing angle of the explanation plate 6 is adjusted, the telescopic rod of the electric push rod 8 correspondingly stretches by starting the electric push rod 8, so that the movable block 9 is driven to swing, the movable block 9 drives the swing arm 2 to swing, the upright post 3 can be rapidly driven to rotate, and the viewing angle of the explanation plate 6 is adjusted;

when the explanation board 6 of equidimension not is installed, at first place explanation board 6 bottom at 4 tops of mounting panel, and explanation board 6 is located between solid fixed splint 5 and the movable clamp plate 10, in order to ensure the steadiness behind the installation of explanation board 6, it is coaxial with stand 3 preferably to be the longitudinal center line with explanation board 6, or it is corresponding with stand 3 to say that 6 middle part positions of explanation board are corresponding, make explanation board 6 installation back comparatively firm, then rotate adjusting screw 14, adjusting screw 14 closes soon on regulating block 13 screw thread, utilize the drive power that the screw thread closes soon, make movable clamp plate 10 remove towards solid fixed splint 5 direction, make solid fixed splint 5, movable clamp plate 10 presss from both sides tight explanation board 6 jointly, and then accomplish the quick installation operation of explanation board 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The Chinese language and literature contrast explanation plate is characterized by comprising a fixed seat (1) which is detachably mounted on a horizontal placing surface, wherein a stand column (3) is vertically and rotatably connected to the fixed seat (1), an explanation plate (6) is mounted at the upper end of the stand column (3) through a clamping assembly, the explanation plate (6) drives the explanation plate to rotate along the axial direction of the stand column (3) through a rotating assembly so as to adjust the viewing angle of the explanation plate (6), the rotating assembly comprises a movable hinged support (7) which is vertically and rotatably connected to the fixed seat (1) through a mounting pivot, a driving element is horizontally mounted on the movable hinged support (7), a movable block (9) is drivingly connected to the driving element, a swing arm (2) is arranged on the stand column (3), one end, far away from the stand column (3), of the swing arm (2) is hinged to the movable block (9), the driving element drives the movable block (9) to move, and then the swing arm (2) is driven to rotate along the axial direction of the upright post (3).

2. The contrast interpretation plate for Chinese languages and literature according to claim 1, wherein the driving element is an electric push rod (8), and a telescopic rod of the electric push rod (8) is in threaded connection with the movable block (9).

3. The Chinese language and literature contrast explanation plate as claimed in claim 1, wherein the clamping assembly comprises a mounting plate (4) horizontally arranged at the upper end of the upright post (3), one end of the mounting plate (4) in the width direction is provided with a fixed clamping plate (5), the other end of the mounting plate is provided with a movable clamping plate (10), a clamping space for the vertical placement of the explanation plate (6) is enclosed between the fixed clamping plate (5) and the movable clamping plate (10), and the movable clamping plate (10) is driven by a driving unit to move towards the fixed clamping plate (5), so that the movable clamping plate (10) and the fixed clamping plate (5) clamp the explanation plate (6).

4. The Chinese language and literature contrast explanation plate as claimed in claim 3, wherein the driving unit comprises an adjusting block (13) arranged on the mounting plate (4), an adjusting screw (14) is arranged on the adjusting block (13) in a penetrating manner through a horizontal thread, one end of the adjusting screw (14) is rotatably connected with a floating seat (11), and the floating seat (11) is fixedly connected on the movable clamping plate (10).

5. The Chinese language and literature contrast explanation plate according to claim 4, characterized in that a ball head (12) is coaxially and fixedly connected to the adjusting screw (14), and a spherical groove for clamping the ball head (12) and capable of freely rotating is formed in the floating seat (11).