CN213882209U

CN213882209U - Foldable teaching podium

Info

Publication number: CN213882209U
Application number: CN202022609559.8U
Authority: CN
Inventors: 唐旭日
Original assignee: Changsha Hengpin Technology Co ltd
Current assignee: Changsha Hengpin Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-06
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a foldable teaching podium, it includes the box, be fixed with vertical internal thread pipe and guide bar on the bottom inner wall of box, and the guide bar symmetry sets up in the both sides of internal thread pipe, the last flap of box has closed hollow platform board of saying, and the inboard of the platform board of saying is fixed with two bearing frames, and the bottom of the platform board of saying is fixed with the double-end motor that is located the box, double-end motor's lower output end is fixed with threaded connection in the intraductal side screw thread montant of internal thread, and double-end motor's last output is fixed with the inboard second bevel gear that is located the platform board, two all rotate on the bearing frame and install the screw thread horizontal pole. The utility model discloses not only possess the function of ordinary podium, and can increase the podium area for the user can place the instrument that can be many on the podium, and the rising of the platform board of saying of setting and flexible platen link when stretching out and go on, can shorten the time.

Description

Foldable teaching podium

Technical Field

The utility model relates to a podium field especially relates to a foldable teaching podium.

Background

Teaching podium is comparatively common teaching equipment at present, traditional teaching podium simple structure, and its unable folding volume that reduces for focus is on the high side during the removal, and it is inconvenient to remove, and removes unstability, emptys easily, and the result of use is not enough, and for this reason, we need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a folding teaching platform.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a foldable teaching platform comprises a box body, wherein a vertical internal thread pipe and guide rods are fixed on the inner wall of the bottom of the box body, the guide rods are symmetrically arranged on two sides of the internal thread pipe, an upper opening cover of the box body is closed with a hollow platform board, two bearing seats are fixed on the inner side of the platform board, a double-head motor positioned in the box body is fixed at the bottom of the platform board, a threaded vertical rod in threaded connection with the inner side of the internal thread pipe is fixed at the lower output end of the double-head motor, a second bevel gear positioned on the inner side of the platform board is fixed at the upper output end of the double-head motor, threaded cross rods are rotatably mounted on the two bearing seats, a first bevel gear meshed with the second bevel gear is fixed at one end opposite to each threaded cross rod, a telescopic platform board in sliding fit with the threaded cross rod is sleeved on the threaded cross rod, and a guide pipe sleeved on the guide rods in a sliding manner is fixed at the bottom of the platform board, and one side of the guide pipe is fixed with a storage box positioned in the box body.

Preferably, the bottom of the guide pipe is provided with a rectangular hole matched with the guide rod in size, and the guide pipe is in sliding fit in the rectangular hole.

Preferably, the upper end of the guide rod is fixed with a limiting block, and the size of the limiting block is larger than that of the rectangular hole.

Preferably, a controller is fixed on the front side of the box body, and the output end of the controller is electrically connected with the double-head motor.

Preferably, a hand push rod is fixed on the right side of the box body, anti-slip lines are arranged on the hand push rod, and universal wheels are fixed at the bottom of the box body.

Preferably, the bottom of the platform board is provided with a through hole communicated with the platform board, and the upper output end of the double-head motor is rotatably arranged in the through hole.

In the utility model, the threaded vertical rod is driven to rotate by the work of the double-end motor, the arranged double-end motor and the platform board integrally rise under the action of the thread, at the moment, the platform board rises to be convenient to use, and at the moment, the arranged storage box leaks and rises to be convenient for placing articles, in addition, when the threaded vertical rod rotates, the arranged second bevel gear also rotates to drive the first bevel gear and the threaded cross rod to rotate, under the action of the thread, the arranged telescopic platform board extends out from the inner side of the platform board to further increase the area of the platform, so that a user can place a plurality of tools on the platform, the use effect is good, the use is flexible and convenient, the rising of the arranged platform board and the extension of the telescopic platform board are linked, the time can be shortened, the use effect is good, when the platform board is not used, the arranged telescopic platform board retracts into the platform board, and the platform board moves downwards, the gravity center moves downwards to ensure that the stability in the moving process is good, the whole platform has a simple structure and low manufacturing cost.

Drawings

Fig. 1 is a schematic diagram of the moving state of the present invention.

Fig. 2 is a schematic view of the usage state of the present invention.

Reference numbers in the figures: the novel multifunctional combined type multifunctional speaker comprises a box body 1, an internal threaded pipe 2, a guide rod 3, a guide pipe 4, a platform plate 5, a bearing seat 6, a threaded cross rod 7, a first bevel gear 8, a double-head motor 9, a second bevel gear 10, a threaded vertical rod 11, a telescopic platform plate 12, a storage box 13, a limiting block 14, a hand push rod 15 and a controller 16.

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.

Referring to fig. 1-2, a folding teaching platform comprises a box body 1, a vertical internal thread tube 2 and a guide rod 3 are fixed on the inner wall of the bottom of the box body 1, the guide rods 3 are symmetrically arranged on two sides of the internal thread tube 2, an upper opening cover of the box body 1 is closed with a hollow platform board 5, two bearing seats 6 are fixed on the inner side of the platform board 5, a double-head motor 9 positioned in the box body 1 is fixed at the bottom of the platform board 5, a thread vertical rod 11 in threaded connection with the inner side of the internal thread tube 2 is fixed at the lower output end of the double-head motor 9, a second bevel gear 10 positioned on the inner side of the platform board 5 is fixed at the upper output end of the double-head motor 9, threaded cross rods 7 are rotatably installed on the two bearing seats 6, a first bevel gear 8 engaged with the second bevel gear 10 is fixed at the opposite ends of the two threaded cross rods 7, a telescopic platform 12 in sliding fit with the platform board 5 is sleeved on the threaded cross rods 7, the bottom of the platform board 5 is fixed with a guide tube 4 which is sleeved on the guide rod 3 in a sliding mode, and one side of the guide tube 4 is fixed with a storage box 13 which is positioned in the box body 1.

In this embodiment, the bottom of stand pipe 4 is provided with the rectangular hole that matches with 3 sizes of guide bar, and 4 sliding fit of guide pipe are in the rectangular hole, the upper end of guide bar 3 is fixed with stopper 14, and the size of stopper 14 is greater than the size of rectangular hole, the front side of box 1 is fixed with controller 16, the model of controller 16 is ATMEGA16, and the output of controller 16 is connected with double-end motor 9 electricity, the right side of box 1 is fixed with push rod 15, and be provided with anti-skidding line on the push rod 15, and the bottom of box 1 is fixed with the universal wheel, the bottom of saying platen 5 is provided with the through-hole with lecture platform 5 intercommunication, and double-end motor 9's last output rotates and installs in the through-hole.

When the utility model is used, the double-end motor 9 is controlled to work through the operation controller 16, the double-end motor 9 works to drive the screw thread vertical rod 11 to rotate, the arranged double-end motor 9 and the platform board 5 integrally ascend under the action of the screw thread, at the moment, the platform board 5 ascends for convenient use, and at the moment, the arranged storage box 13 leaks and ascends to facilitate the placement of articles, in addition, when the screw thread vertical rod 11 rotates, the arranged second bevel gear 10 also rotates to drive the first bevel gear 8 and the screw thread cross rod 7 to rotate, under the action of the screw thread, the arranged telescopic platform board 12 extends out from the inner side of the platform board 5 to further increase the platform area, so that a user can place more tools on the platform, the use effect is good, the use is flexible and convenient, and the lifting of the arranged platform board 5 and the extending of the telescopic platform board 12 are linked to shorten the time, the use effect is good, and when not using, the flexible platen 12 that sets up retracts in the platform board 5 of saying, and the platform board 5 of saying moves down, and the focus moves down and makes the stability in the removal process good, and whole podium simple structure, the cost of manufacture is low.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A folding teaching platform comprises a box body (1) and is characterized in that a vertical internal thread pipe (2) and guide rods (3) are fixed on the inner wall of the bottom of the box body (1), the guide rods (3) are symmetrically arranged on two sides of the internal thread pipe (2), a hollow platform board (5) is covered on the upper opening of the box body (1), two bearing seats (6) are fixed on the inner side of the platform board (5), a double-end motor (9) located in the box body (1) is fixed at the bottom of the platform board (5), a threaded vertical rod (11) in threaded connection with the inner side of the internal thread pipe (2) is fixed at the lower output end of the double-end motor (9), a second bevel gear (10) located on the inner side of the platform board (5) is fixed at the upper output end of the double-end motor (9), and threaded cross rods (7) are installed on the two bearing seats (6) in a rotating mode, the opposite ends of the two threaded cross rods (7) are respectively fixed with a first bevel gear (8) meshed with a second bevel gear (10), the threaded cross rods (7) are in threaded sleeve connection with a telescopic table board (12) in a speech table board (5) in a sliding fit mode, the bottom of the speech table board (5) is fixed with a guide pipe (4) in a sliding sleeve mode on the guide rod (3), and one side of the guide pipe (4) is fixed with a storage box (13) located in the box body (1).

2. A foldable teaching lectern according to claim 1 wherein the bottom of the guide tube (4) is provided with a rectangular aperture sized to match the guide rod (3) and the guide tube (4) is a sliding fit within the rectangular aperture.

3. The folding type teaching platform according to claim 2, characterized in that a limiting block (14) is fixed on the upper end of the guide rod (3), and the size of the limiting block (14) is larger than that of the rectangular hole.

4. The folding type teaching platform according to claim 1, characterized in that a controller (16) is fixed on the front side of the box body (1), and the output end of the controller (16) is electrically connected with the double-head motor (9).

5. The folding teaching platform according to claim 1, wherein a hand push rod (15) is fixed on the right side of the box body (1), anti-skid lines are arranged on the hand push rod (15), and universal wheels are fixed at the bottom of the box body (1).

6. The folding teaching platform according to claim 1, wherein the bottom of the platform board (5) is provided with a through hole communicated with the platform board (5), and the upper output end of the double-head motor (9) is rotatably arranged in the through hole.