CN213413826U

CN213413826U - Book handling device is used in teaching

Info

Publication number: CN213413826U
Application number: CN202022078663.9U
Authority: CN
Inventors: 郑旭辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-11
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to the technical field of book carrying, and discloses a teaching book carrying device, which solves the problem that the prior small handcart can not be used on stairs, so that students in classrooms at high-rise levels are inconvenient to use; the inside bottom surface of box rotates installs the lead screw, be equipped with on the lead screw and revolve to opposite first external screw thread and second external screw thread, and the one end of lead screw is provided with servo motor, first external screw thread, the equal threaded connection in second external screw thread department has the supporting shoe, all be provided with the push rod on two supporting shoes, the one end of two push rods rotates with two supporting shoes respectively and is connected, and the other end of two push rods rotates the bottom of installing in the backup pad, this device is through being provided with the track bottom plate in the box bottom, thereby be convenient for use on stair, the classroom of being convenient for is in high-.

Description

Book handling device is used in teaching

Technical Field

The utility model relates to a books transport technical field especially relates to a books handling device is used in teaching.

Background

In the beginning of a school year, textbooks are generally required to be transported and issued to students, at present, most students transport books through trolleys, but the current trolleys cannot be used on stairs, so that the students in a classroom cannot use the books conveniently, and therefore, a textbook transporting device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current small handcart that exists among the prior art and can not use on stair, cause the classroom in the inconvenient shortcoming of high-rise student, and the book handling device is used in teaching that proposes.

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

a teaching book carrying device comprises a box body, wherein the upper end of the box body is arranged in an open mode, a crawler chassis is arranged at the bottom end of the box body, a supporting plate is arranged in the box body, and the supporting plate is in sliding fit with the inner wall of the box body;

the bottom surface of the interior of the box body is rotatably provided with a lead screw, a first external thread and a second external thread which are opposite in rotation direction are arranged on the lead screw, one end of the lead screw is provided with a servo motor, the first external thread and the second external thread are in threaded connection with supporting blocks, push rods are arranged on the two supporting blocks, one ends of the two push rods are respectively rotatably connected with the two supporting blocks, and the other ends of the two push rods are rotatably arranged at the bottom ends of the supporting plates.

Preferably, one side of the top end of the box body is provided with a push handle, and a rubber layer is sleeved on the push handle.

Preferably, the two ends of the bottom surface in the box body are both fixed with mounting blocks, and the screw rod is rotatably mounted between the two mounting blocks through a bearing.

Preferably, the servo motor is installed on the outer wall of the box body, and an output shaft of the servo motor is concentrically fixed with the screw rod.

Preferably, both ends of the bottom of the supporting plate are fixed with cross rods, and the push rods are rotatably arranged on the cross rods.

Preferably, bottom half four corners department all is provided with the wheel portion, wheel portion is including fixing the otic placode on the box, it has adjusting screw to run through on the otic placode, adjusting screw and otic placode screw-thread fit, and the universal wheel is installed to adjusting screw's bottom.

The utility model has the advantages that:

1. this device is through being provided with the track bottom plate in the box bottom to be convenient for use on stair, be convenient for the classroom is in high-rise student and uses.

2. The wheel parts are further arranged at the four corners of the box body, so that the device can be conveniently used on flat ground, and the carrying speed on the flat ground is improved.

3. The device drives the supporting plate to ascend in the box body through the operation of the servo motor, so that books at the bottom of the box body can be conveniently moved out.

Drawings

Fig. 1 is a schematic structural view of a teaching book carrying device according to the present invention;

fig. 2 is a schematic structural view of a top view of a box body of the teaching book carrying device according to the present invention;

fig. 3 is a schematic view of a driving structure of a supporting plate in the device for transporting teaching books according to the present invention.

In the figure: the crawler belt type crawler belt wheel comprises a box body 1, a crawler belt chassis 2, wheel parts 3, lug plates 31, adjusting screws 32, universal wheels 33, supporting plates 4, mounting blocks 5, a screw rod 6, first external threads 7, second external threads 8, supporting blocks 9, push rods 10, a servo motor 11 and a cross rod 12.

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.

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.

Referring to fig. 1-3, a teaching book carrying device comprises a box body 1, wherein a push handle is arranged on one side of the top end of the box body 1, a rubber layer is sleeved on the push handle to facilitate pushing of the box body 1, the upper end of the box body 1 is arranged in an open manner, a crawler chassis 2 is arranged at the bottom end of the box body 1, a supporting plate 4 is arranged in the box body 1, and the supporting plate 4 is in sliding fit with the inner wall of the box body 1;

the bottom surface inside the box body 1 is rotatably provided with a screw rod 6, two ends of the bottom surface inside the box body 1 are both fixed with mounting blocks 5, the screw rod 6 is rotatably mounted between the two mounting blocks 5 through a bearing, the screw rod 6 is provided with a first external thread 7 and a second external thread 8 with opposite rotation directions, one end of the screw rod 6 is provided with a servo motor 11, the servo motor 11 is mounted on the outer wall of the box body 1, an output shaft of the servo motor 11 is concentrically fixed with the screw rod 6, the first external thread 7 and the second external thread 8 are both in threaded connection with supporting blocks 9, the supporting blocks 9 are respectively provided with screw holes matched with the supporting blocks, the supporting blocks 9 are in sliding fit with the bottom surface of the box body 1, the two supporting blocks 9 are both provided with push rods 10, one ends of the two push rods 10 are respectively rotatably connected with the two supporting blocks 9, the other ends of the two, the push rod 10 is rotatably mounted on a crossbar 12.

All be provided with wheel portion 3 in box 1 bottom four corners department, wheel portion 3 has run through adjusting screw 32 including fixing the otic placode 31 on box 1 on the otic placode 31, adjusting screw 32 and the threaded fit of otic placode 31, and universal wheel 33 is installed to adjusting screw 32's bottom.

In this embodiment, books are transported to the box 1, and when transporting on the flat ground, the adjusting screw 32 is rotated in turn, and the adjusting screw 32 drives the universal wheel 33 to descend and extrude the ground, so that the crawler chassis 2 is emptied, and the device is moved by the universal wheel 33, thereby being convenient for transporting on the flat ground.

When the device needs to go upstairs, the adjusting screw rod 32 is rotated to enable the universal wheel 33 to ascend, the crawler chassis 2 is attached to the bottom surface, and the crawler chassis 2 is opened, so that the device can move on the stairs.

When books in the box body 1 are few, the servo motor 11 is started, the screw rod 6 is driven to rotate through the servo motor 11, the screw rod 6 drives the two supporting blocks 9 to be close to each other, meanwhile, the push rod 10 is pushed through the supporting blocks 9, and the push rod 10 pushes the supporting plate 4 to ascend in the box body 1, so that the books at the bottom of the box body 1 can be conveniently moved out.

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. The teaching book carrying device comprises a box body (1), and is characterized in that the upper end of the box body (1) is arranged in an open mode, a crawler chassis (2) is installed at the bottom end of the box body (1), a supporting plate (4) is arranged inside the box body (1), and the supporting plate (4) is in sliding fit with the inner wall of the box body (1);

the box body (1) is internally provided with a screw rod (6) on the bottom surface in a rotating mode, the screw rod (6) is provided with a first external thread (7) and a second external thread (8) which are opposite in rotating direction, one end of the screw rod (6) is provided with a servo motor (11), the first external thread (7) and the second external thread (8) are in threaded connection with supporting blocks (9) and two supporting blocks (9), push rods (10) are arranged on the supporting blocks (9), one ends of the push rods (10) are respectively in rotating connection with the two supporting blocks (9), and the other ends of the two push rods (10) are rotatably installed at the bottom end of the supporting plate (4).

2. The teaching book carrying device as claimed in claim 1, wherein a push handle is arranged on one side of the top end of the box body (1), and a rubber layer is sleeved on the push handle.

3. The apparatus as claimed in claim 1, wherein mounting blocks (5) are fixed to both ends of the inner bottom surface of the case (1), and the screw (6) is rotatably mounted between the two mounting blocks (5) through a bearing.

4. A teaching book carrier as claimed in claim 1, characterized in that the servo motor (11) is mounted on the outer wall of the box (1) and the output shaft of the servo motor (11) is fixed concentrically with the screw (6).

5. A teaching book carrier as claimed in claim 1, characterized in that a cross bar (12) is fixed to each end of the bottom of the support plate (4), and the push rod (10) is rotatably mounted on the cross bar (12).

6. The book carrying device for teaching as claimed in claim 1, wherein the wheel portion (3) is arranged at each of four corners of the bottom of the box body (1), the wheel portion (3) comprises an ear plate (31) fixed on the box body (1), an adjusting screw (32) penetrates through the ear plate (31), the adjusting screw (32) is in threaded fit with the ear plate (31), and a universal wheel (33) is mounted at the bottom end of the adjusting screw (32).