CN211764508U

CN211764508U - Sliding blackboard

Info

Publication number: CN211764508U
Application number: CN202020238836.6U
Authority: CN
Inventors: 孙德梅; 郭慧莹; 李玄晔
Original assignee: Qiqihar Institute of Engineering
Current assignee: Qiqihar Institute of Engineering
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-27
Anticipated expiration: 2030-03-02

Abstract

The utility model relates to the field of teaching aids, in particular to a sliding blackboard which can make two limiting plates lose the limitation of limiting grooves on two rotating rods by moving two limiting sliding rods, thereby saving the space for placing the sliding blackboard when the sliding blackboard is idle; can also drive the lift lead screw through starting elevator motor and rotate, lift lead screw thread drive blackboard goes up and down, adapts to the demand of co-altitude, can also rotate the motor through starting, rotate the motor and drive the blackboard and rotate, change blackboard inclination, adapt to different demands, also can make the blackboard level, use the blackboard as the desk, increase the service function's of blackboard variety, can also place chalk, blackboard eraser etc. in placing the box, make things convenient for article to put and use.

Description

Sliding blackboard

Technical Field

The utility model relates to a teaching aid field, more specifically the slip blackboard that says so.

Background

The utility model with publication number CN204955835U discloses a sliding blackboard, which comprises a frame, a first board body and a second board body arranged in parallel in the frame, wherein a first chain is sleeved on the side edge of the first plate body, a second chain is sleeved on the same side of the second plate body, a chain wheel is arranged in the frame, the first chain and the second chain are meshed with the chain wheel simultaneously, the surface of the first plate body close to the wall is provided with a first eraser, the surface of the second plate body close to the wall is provided with a second eraser, when the first board body is positioned at a position far away from the wall and the second board body is positioned at a position close to the wall, the first blackboard eraser is attached to the second board body, when the second board body is located at a position far away from the wall and is located at a position close to the wall, the second board body is attached to the first board body. The sliding blackboard can slide up and down and can be wiped in the sliding process. The utility model has the disadvantage that the blackboard can not be rotated and can be used as a table.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sliding blackboard, which has the advantages of rotating the blackboard and using as a desk.

The purpose of the utility model is realized through the following technical scheme:

a sliding blackboard comprises a rotating mechanism, a blackboard mechanism, an elevating mechanism and two sliding mechanisms, wherein the rotating mechanism is connected on the elevating mechanism in a sliding manner, the rotating mechanism and the elevating mechanism are in threaded transmission, the blackboard mechanism is fixedly connected on the rotating mechanism, the two sliding mechanisms are respectively connected on the front side and the rear side of the elevating mechanism in a rotating manner, the rotating mechanism comprises a lifting threaded block, a first rotating fixing plate, a rotating rod A, a rotating sleeve, a lifting slide block, a second rotating fixing plate, a rotating motor frame and a rotating motor, the lifting threaded block is fixedly connected on the first rotating fixing plate, the lifting threaded block and the elevating mechanism are in threaded transmission, the lifting slide block is connected on the elevating mechanism in a sliding manner, the second rotating fixing plate is fixedly connected on the lifting slide block, the two rotating sleeves are respectively connected on the first rotating fixing plate and the second rotating fixing plate in a rotating manner, rotating motor frame fixed connection rotates on the fixed plate at the second, rotates motor fixed connection and rotates on the motor frame, dwang A and rotation motor output shaft fixed connection.

The blackboard mechanism comprises a blackboard and a placing box, the blackboard is fixedly connected onto the rotating rod A, and the placing box is fixedly connected to the front end of the blackboard.

Elevating system includes lifting bottom plate, rotate the hole, spacing hole, the lift lead screw, elevator motor and lift guide bar, both ends all are provided with rotates the hole around lifting bottom plate, both ends all are provided with spacing hole around lifting bottom plate, the lift lead screw rotates the front end of connecting at lifting bottom plate, elevator motor fixed connection is at lifting bottom plate's front end downside, the lower extreme fixed connection of lift lead screw is on elevator motor's output shaft, lift guide bar fixed connection is at lifting bottom plate's rear end, lifting slide sliding block sliding connection is on the lift guide bar, lifting thread piece and lift lead screw thread drive.

Two slide mechanism includes rotor plate, universal wheel, dwang B, spacing slide bar, limiting plate and turning block, the equal fixed connection in universal wheel in both sides of rotor plate, dwang B fixed connection is in the upper end of rotor plate, turning block fixed connection is on dwang B, be provided with the spacing groove on the turning block, spacing slide bar fixed connection is on the limiting plate, two spacing slide bars are sliding connection respectively in two spacing downtheholess, two turning blocks rotate respectively to be connected in two rotation downtheholes, two limiting plates respectively with two spacing groove face contacts that set up on the turning block.

The two limiting sliding rods and the two limiting plates are made of wear-resistant materials.

The utility model relates to a sliding blackboard's beneficial effect does: the utility model relates to a sliding blackboard, which can make two limiting plates lose the limitation of limiting grooves on two rotating rods by moving two limiting sliding rods, thus saving the space for placing the sliding blackboard when the sliding blackboard is idle; can also drive the lift lead screw through starting elevator motor and rotate, lift lead screw thread drive blackboard goes up and down, adapts to the demand of co-altitude, can also rotate the motor through starting, rotate the motor and drive the blackboard and rotate, change blackboard inclination, adapt to different demands, also can make the blackboard level, use the blackboard as the desk, increase the service function's of blackboard variety, can also place chalk, blackboard eraser etc. in placing the box, make things convenient for article to put and use.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of a sliding blackboard according to the present invention;

fig. 2 is a schematic structural view of the rotating mechanism of the present invention;

FIG. 3 is a schematic structural view of the blackboard mechanism of the present invention;

fig. 4 is a schematic structural view of the lifting mechanism of the present invention;

fig. 5 is a schematic structural view of the sliding mechanism of the present invention.

In the figure: a rotating mechanism 1; lifting thread blocks 1-1; a first rotating and fixing plate 1-2; rotating the rod A1-3; 1-4 of a rotating sleeve; 1-5 of a lifting slide block; a second rotation fixing plate 1-6; rotating a motor frame 1-7; rotating the motor 1-8; a blackboard mechanism 2; 2-1 of blackboard; placing a box 2-2; a lifting mechanism 3; a lifting bottom plate 3-1; rotating the hole 3-2; 3-3 of a limiting hole; 3-4 of a lifting screw rod; 3-5 of a lifting motor; 3-6 of a lifting guide rod; a slide mechanism 4; a rotating plate 4-1; 4-2 of universal wheels; rotating the rod B4-3; 4-4 of a limiting sliding rod; 4-5 of a limiting plate; and 4-6 of turning blocks.

Detailed Description

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

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 5, a sliding blackboard includes a rotating mechanism 1, a blackboard mechanism 2, a lifting mechanism 3 and two sliding mechanisms 4, the rotating mechanism 1 is slidably connected to the lifting mechanism 3, the rotating mechanism 1 and the lifting mechanism 3 are in threaded transmission, the blackboard mechanism 2 is fixedly connected to the rotating mechanism 1, the two sliding mechanisms 4 are respectively rotatably connected to the front and rear sides of the lifting mechanism 3, the rotating mechanism 1 includes a lifting threaded block 1-1, a first rotating fixing plate 1-2, a rotating rod a1-3, a rotating sleeve 1-4, a lifting slider 1-5, a second rotating fixing plate 1-6, a rotating motor frame 1-7 and a rotating motor 1-8, the lifting threaded block 1-1 is fixedly connected to the first rotating fixing plate 1-2, the lifting screw block 1-1 and the lifting mechanism 3 are in screw transmission, the lifting slide block 1-5 is connected on the lifting mechanism 3 in a sliding way, the second rotating fixing plate 1-6 is fixedly connected on the lifting slide block 1-5, the two rotating sleeves 1-4 are respectively connected on the first rotating fixing plate 1-2 and the second rotating fixing plate 1-6 in a rotating way, the rotating rod A1-3 is connected on the two rotating sleeves 1-4 in a rotating way, the rotating motor frame 1-7 is fixedly connected on the second rotating fixing plate 1-6, the rotating motor 1-8 is fixedly connected on the rotating motor frame 1-7, the rotating rod A1-3 is fixedly connected with the output shaft of the rotating motor 1-8, the rotating motor 1-8 is started, the rotating motor 1-8 drives the rotating rod A1-3 to rotate, the rotating rod A1-3 drives the blackboard 2-1 to rotate, the blackboard 2-1 is inclined, more requirements of teachers for teaching English can be met, when the blackboard 2-1 is not used, the blackboard 2-1 is lowered to a proper height, the blackboard 2-1 is adjusted to be horizontal, and the blackboard 2-1 can be used as a desk for students.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1-5, the blackboard mechanism 2 includes a blackboard 2-1 and a placement box 2-2, the blackboard 2-1 is fixedly connected to the rotating rod a1-3, the placement box 2-2 is fixedly connected to the front end of the blackboard 2-1, and the blackboard eraser, the chalk box and the like can be placed in the placement box 2-2, so that the blackboard eraser and the chalk box can be conveniently taken and placed.

The third concrete implementation mode:

the embodiment will be described with reference to fig. 1-5, wherein the lifting mechanism 3 comprises a lifting bottom plate 3-1, a rotary hole 3-2, a limiting hole 3-3, a lifting screw 3-4, a lifting motor 3-5 and a lifting guide rod 3-6, the front and rear ends of the lifting bottom plate 3-1 are respectively provided with the rotary hole 3-2, the front and rear ends of the lifting bottom plate 3-1 are respectively provided with the limiting hole 3-3, the lifting screw 3-4 is rotatably connected to the front end of the lifting bottom plate 3-1, the lifting motor 3-5 is fixedly connected to the lower side of the front end of the lifting bottom plate 3-1, the lower end of the lifting screw 3-4 is fixedly connected to the output shaft of the lifting motor 3-5, the lifting guide rod 3-6 is fixedly connected to the rear end of the lifting bottom plate 3-1, the lifting slide block 1-5 is slidably connected to, the lifting threaded block 1-1 is in threaded transmission with the lifting screw rod 3-4, the lifting motor 3-5 is started, the lifting motor 3-5 drives the lifting screw rod 3-4 to rotate, the lifting screw rod 3-4 is in threaded transmission with the lifting screw rod 1-1 to rotate, the lifting slide block 1-5 slides on the lifting guide rod 3-6 to limit the rotation of the lifting screw block 1-1, and the lifting of the blackboard 2-1 is realized.

The fourth concrete implementation mode:

the embodiment is described below with reference to fig. 1-5, two of the sliding mechanisms 4 include a rotating plate 4-1, a universal wheel 4-2, a rotating rod B4-3, a limiting sliding rod 4-4, a limiting plate 4-5, and a rotating block 4-6, both sides of the rotating plate 4-1 are fixedly connected to the universal wheel 4-2, the rotating rod B4-3 is fixedly connected to the upper end of the rotating plate 4-1, the rotating block 4-6 is fixedly connected to the rotating rod B4-3, a limiting groove is arranged on the rotating block 4-6, the limiting sliding rod 4-4 is fixedly connected to the limiting plate 4-5, the two limiting sliding rods 4-4 are respectively slidably connected to the two limiting holes 3-3, the two rotating blocks 4-6 are respectively rotatably connected to the two rotating holes 3-2, the two limit plates 4-5 are respectively contacted with the limit groove surfaces arranged on the two rotating blocks 4-6, and the two limit sliding rods 4-4 slide into the two limit holes 3-3, so that the two limit plates 4-5 limit the two rotating blocks 4-6 to rotate, the lifting guide rods 3-6 can be pushed, and the blackboard 2-1 is pushed to a required place.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 5, and the two limiting sliding rods 4 to 4 and the two limiting plates 4 to 5 are made of wear-resistant materials, so that the service lives of the two limiting sliding rods 4 to 4 and the two limiting plates 4 to 5 are prolonged.

The utility model relates to a sliding blackboard, its theory of use is: sliding the two limiting sliding rods 4-4 into the two limiting holes 3-3, limiting the rotation of the two rotating blocks 4-6 by the two limiting plates 4-5, pushing the lifting guide rod 3-6 to push the blackboard 2-1 to a required place, starting the lifting motor 3-5, driving the lifting screw rod 3-4 to rotate by the lifting motor 3-5, driving the lifting screw rod 1-1 to rotate by the lifting screw rod 3-4 through screw threads, limiting the rotation of the lifting screw rod 1-1 by the lifting slide block 1-5 sliding on the lifting guide rod 3-6, realizing the lifting of the blackboard 2-1, starting the rotating motor 1-8, driving the rotating rod A1-3 to rotate by the rotating motor 1-8, driving the rotating rod A1-3 to rotate 2-1 to incline the blackboard 2-1, the blackboard eraser and the chalk box can be placed in the placing box 2-2 to be convenient to take and place, when the blackboard 2-1 is not used, the blackboard 2-1 is lowered to a proper height, the blackboard 2-1 is adjusted to be horizontal, and the blackboard 2-1 can be used as a desk for students.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims

1. The utility model provides a sliding blackboard, includes slewing mechanism (1), blackboard mechanism (2), elevating system (3) and slide mechanism (4), slewing mechanism (1) sliding connection is on elevating system (3), slewing mechanism (1) and elevating system (3) screw thread transmission, blackboard mechanism (2) fixed connection is in slewing mechanism (1), slide mechanism (4) have two, two slide mechanism (4) rotate respectively and connect both sides around elevating system (3), its characterized in that: the rotating mechanism (1) comprises a lifting thread block (1-1), a first rotating fixing plate (1-2), a rotating rod A (1-3), rotating sleeves (1-4), a lifting slide block (1-5), a second rotating fixing plate (1-6), a rotating motor frame (1-7) and a rotating motor (1-8), the lifting thread block (1-1) is fixedly connected to the first rotating fixing plate (1-2), the lifting thread block (1-1) and the lifting mechanism (3) are in threaded transmission, the lifting slide block (1-5) is slidably connected to the lifting mechanism (3), the second rotating fixing plate (1-6) is fixedly connected to the lifting slide block (1-5), the two rotating sleeves (1-4) are respectively and rotatably connected to the first rotating fixing plate (1-2) and the second rotating fixing plate (1-6), the rotating rod A (1-3) is rotatably connected to the two rotating sleeves (1-4), the rotating motor frame (1-7) is fixedly connected to the second rotating fixing plate (1-6), the rotating motor (1-8) is fixedly connected to the rotating motor frame (1-7), and the rotating rod A (1-3) is fixedly connected with the output shaft of the rotating motor (1-8).

2. A sliding blackboard according to claim 1, characterised in that: the blackboard mechanism (2) comprises a blackboard (2-1) and a placing box (2-2), the blackboard (2-1) is fixedly connected onto the rotating rod A (1-3), and the placing box (2-2) is fixedly connected to the front end of the blackboard (2-1).

3. A sliding blackboard according to claim 2, characterised in that: the lifting mechanism (3) comprises a lifting bottom plate (3-1), a rotating hole (3-2), a limiting hole (3-3), a lifting screw rod (3-4), a lifting motor (3-5) and a lifting guide rod (3-6), wherein the front end and the rear end of the lifting bottom plate (3-1) are respectively provided with the rotating hole (3-2), the front end and the rear end of the lifting bottom plate (3-1) are respectively provided with the limiting hole (3-3), the lifting screw rod (3-4) is rotationally connected with the front end of the lifting bottom plate (3-1), the lifting motor (3-5) is fixedly connected with the lower side of the front end of the lifting bottom plate (3-1), the lower end of the lifting screw rod (3-4) is fixedly connected on an output shaft of the lifting motor (3-5), and the lifting guide rod (3-6) is fixedly connected with the rear end of the lifting bottom plate (3, the lifting slide block (1-5) is connected on the lifting guide rod (3-6) in a sliding way, and the lifting thread block (1-1) is in thread transmission with the lifting screw rod (3-4).

4. A sliding blackboard according to claim 3, characterised in that: the two sliding mechanisms (4) comprise a rotating plate (4-1), universal wheels (4-2), rotating rods B (4-3), limiting sliding rods (4-4), limiting plates (4-5) and rotating blocks (4-6), wherein both sides of the rotating plate (4-1) are fixedly connected with the universal wheels (4-2), the rotating rods B (4-3) are fixedly connected with the upper ends of the rotating plates (4-1), the rotating blocks (4-6) are fixedly connected with the rotating rods B (4-3), limiting grooves are formed in the rotating blocks (4-6), the limiting sliding rods (4-4) are fixedly connected with the limiting plates (4-5), the two limiting sliding rods (4-4) are respectively and slidably connected into the two limiting holes (3-3), the two rotating blocks (4-6) are respectively and rotatably connected into the two rotating holes (3-2), the two limit plates (4-5) are respectively contacted with the limit groove surfaces arranged on the two rotating blocks (4-6).

5. A sliding blackboard according to claim 4, characterised in that: the two limiting sliding rods (4-4) and the two limiting plates (4-5) are made of wear-resistant materials.