CN219147127U

CN219147127U - Rotatable demonstrating board

Info

Publication number: CN219147127U
Application number: CN202320059901.2U
Authority: CN
Inventors: 苏尚州
Original assignee: YUCAI HOLDING GROUP CO Ltd
Current assignee: YUCAI HOLDING GROUP CO Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-09
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to a rotatable demonstrating board, which comprises a demonstrating board main body and two supporting frames respectively positioned at the left end and the right end of the demonstrating board main body, wherein pen placing grooves are formed between the two supporting frames, rotating devices are respectively arranged at the top ends of the two supporting frames, each rotating device comprises a rotating seat and a connecting seat rotationally connected with the rotating seat, clamping grooves are formed in the connecting seats, knobs are arranged on the rotating seats, clamping blocks are arranged on the corresponding clamping grooves on the knobs, the knobs rotationally drive the connecting seats to rotate, first rotating parts are arranged on the rotating seats, a plurality of first limiting clamping strips are arranged on the first rotating parts at intervals, each connecting seat comprises a connecting frame and a second rotating part, the connecting frame is fixedly connected with the demonstrating board main body, a plurality of second limiting clamping strips are arranged on the second rotating parts at intervals, the second rotating parts are rotationally connected with the first rotating parts, and the first limiting clamping strips and the second limiting clamping strips are matched with each other to lock the positions of the demonstrating board main body. By adopting the technical scheme, the utility model provides the demonstrating board with the rotatable demonstrating board main body.

Description

Rotatable demonstrating board

Technical Field

The utility model relates to a teaching aid, in particular to a rotatable teaching board.

Background

During teaching, teachers need not only to carry out blackboard writing teaching on a fixed blackboard for better teaching, but also often need to use auxiliary tools such as a teaching board, the existing teaching board is generally provided with supporting frames at the two ends of the teaching board, and when the teaching board is used, the teaching board is either fixed on the supporting frames and can not be turned over, or can only be turned over by 180 degrees, the front side and the back side of the teaching board are changed, and when the angles beyond 180 degrees are turned over, the teaching board cannot be stably used after being turned over, so that the teaching board can not be turned over and adjusted at any angle according to different use environments, and the use effect of a user is affected.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides the teaching board with the main body capable of rotating and conveniently adjusting the angle.

The technical scheme of the utility model is as follows: the utility model provides a rotatable demonstrating board, includes demonstrating board main part and is located two support frames of both ends about the demonstrating board main part respectively, two be equipped with between the support frame and put the pen groove, two the support frame top all is equipped with rotary device, rotary device includes the roating seat and rotates the connecting seat of being connected with the roating seat, be equipped with the draw-in groove on the connecting seat, be equipped with the knob on the roating seat, correspond the draw-in groove on the knob and be equipped with the fixture block, the knob rotates and drives the connecting seat and rotate, the roating seat inserts and locates the support frame top, is equipped with first rotary part on the roating seat, the interval is equipped with a plurality of spacing bars that block on the first rotary part, the connecting seat includes link and second rotary part, link and demonstrating board main part fixed connection, the interval is equipped with a plurality of spacing bars that block of second on the second rotary part, second rotary part rotates with first spacing bar with the cooperation locking demonstrating board main part position.

By adopting the technical scheme, the connecting frame is driven to rotate through the rotating knob, so that the teaching board main body is driven to rotate, the angle of the teaching board main body is adjusted, teaching use is facilitated, the adjusted teaching board main body is locked through the cooperation of the first limiting clamping strip and the second limiting clamping strip, and the novel teaching board is simple in structure and stable in use.

The utility model is further provided with: the connecting frame comprises a fixing plate and two supporting plates which are respectively positioned at two sides of the fixing plate, wherein the fixing plate is fixedly connected with the main body of the demonstrating board through screws, and the two supporting plates are respectively clung to the front side and the rear side of the main body of the demonstrating board.

By adopting the further arrangement, the two fixing plates are respectively fixed with the left side and the right side of the teaching board main body, the concave cavities formed by the fixing plates and the two support plates are clamped on the front side and the rear side of the teaching board main body, and the adjustment is more stable during rotation.

Still further, the present utility model provides: the support frame is provided with a first fixing hole, the rotating seat is provided with a second fixing hole corresponding to the first fixing hole, and locking rods are inserted into the first fixing hole and the second fixing hole.

Adopt above-mentioned still further setting, through the cooperation of two fixed orificess and locking lever, strengthened the stable connection of roating seat and support frame, simple structure, the connection is stable.

Still further, the present utility model is provided with: the bottom of the supporting frame is provided with universal wheels.

By adopting the further arrangement, the whole teaching board is convenient to move and use through the universal wheels.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of a rotary device according to the present utility model;

FIG. 4 is a schematic front cross-sectional view of a rotary device according to the present utility model;

FIG. 5 is an exploded view of the rotary device of the present utility model;

fig. 6 is a schematic view of the structure of the connecting seat of the present utility model.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indications (such as left, right, front, and rear … …) in the description of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

As shown in fig. 1-6, the rotatable teaching board provided by the utility model comprises a teaching board main body 1 and two supporting frames 2 respectively positioned at the left end and the right end of the teaching board main body 1, wherein a pen placing groove 3 is arranged between the two supporting frames 2, pens and pen wiping tools are conveniently placed on the two supporting frames, a rotating device 4 is arranged at the top end of each supporting frame 2, the rotating device 4 comprises a rotating seat 41 and a connecting seat 42 rotationally connected with the rotating seat 41, a clamping groove 421 is arranged on the connecting seat 42, a knob 411 is arranged on the rotating seat 41, a clamping block 4111 is arranged on the knob 411, the knob 411 rotates and drives the connecting seat 42 to rotate through the matching of the clamping block 4111 and the clamping groove 421, the rotating seat 41 is inserted at the top end of the supporting frame 2, a first rotating part 412 is arranged on the rotating seat 41, a plurality of first limiting clamping strips 4121 are arranged on the first rotating part 412 at intervals, the connecting seat 42 comprises a connecting frame 422 and a second rotating part 423, the connecting frame 422 is fixedly connected with the teaching board main body 1, a second limiting clamping strip 421 is arranged on the second rotating part 423 at intervals, and the position of the second rotating part 423 is matched with the first limiting strips 4131, and the position of the first limiting strips 4121 is matched with the first limiting strips 4131 when the position of the first limiting strips is matched with the first limiting strips 4131, and the position of the first limiting strips 4131 is adjusted, and the position of the first limiting strips is adjusted.

In this embodiment, the connecting frame 422 includes a fixing plate 4221 and two support plates 4222 respectively located at two sides of the fixing plate 4221, the fixing plate 4221 and the two support plates 4222 are combined to form a concave cavity, the fixing plate 4221 and the teaching board main body 1 are fixedly connected by screws, of course, the two support plates 4222 are respectively attached to the front and rear sides of the teaching board main body 1 by fastening, inserting and other manners, so as to play a role in supporting the teaching board main body 1 in the front and rear direction, and strengthen the connection between the teaching board main body 1 and the connecting frame 422; the support frame 2 is provided with a first fixing hole 21, the rotating seat 41 is provided with a second fixing hole 413 corresponding to the first fixing hole 21, the first fixing hole 21 and the second fixing hole 413 are internally provided with a locking rod 5, the rotating seat 41 is further fixed on the support frame 2 through the locking rod 5, and stable connection of the rotating seat 41 and the support frame 2 is ensured.

In this embodiment, the support frame 2 bottom is equipped with universal wheel 6, makes things convenient for the holistic position movement of demonstrating board.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

Claims

1. The utility model provides a rotatable demonstrating board, includes demonstrating board main part and is located two support frames of both ends about the demonstrating board main part respectively, two be equipped with between the support frame and put a groove, its characterized in that: two the support frame top all is equipped with rotary device, rotary device includes the roating seat and rotates the connecting seat of being connected with the roating seat, be equipped with the draw-in groove on the connecting seat, be equipped with the knob on the roating seat, correspond the draw-in groove on the knob and be equipped with the fixture block, the knob rotates and drives the connecting seat and rotate, the roating seat is inserted and is located the support frame top, is equipped with first rotation portion on the roating seat, the interval is equipped with a plurality of spacing card strips on the first rotation portion, the connecting seat includes link and second rotation portion, link and demonstrator main part fixed connection, the interval is equipped with a plurality of spacing card strips of second on the second rotation portion, the second rotation portion rotates with first rotation portion to be connected, first spacing card strip with the spacing card strip cooperation locking demonstrator main part position of second.

2. A rotatable teaching board according to claim 1 and characterized in that: the connecting frame comprises a fixing plate and two supporting plates which are respectively positioned at two sides of the fixing plate, wherein the fixing plate is fixedly connected with the main body of the demonstrating board through screws, and the two supporting plates are respectively clung to the front side and the rear side of the main body of the demonstrating board.

3. A rotatable teaching board according to claim 1 or 2 and characterised in that: the support frame is provided with a first fixing hole, the rotating seat is provided with a second fixing hole corresponding to the first fixing hole, and locking rods are inserted into the first fixing hole and the second fixing hole.

4. A rotatable teaching board according to claim 3 and characterized in that: the bottom of the supporting frame is provided with universal wheels.