CN210759947U

CN210759947U - High-number graph-using device

Info

Publication number: CN210759947U
Application number: CN201921472622.9U
Authority: CN
Inventors: 陈小娟; 马晓晓; 伍慧式
Original assignee: Chongqing Vocational College of Transportation
Current assignee: Chongqing Vocational College of Transportation
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-16
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a height is as picture device, the on-line screen storage device comprises a base, the top fixed mounting of base has two support columns, the guide way has all been seted up at the top of two support columns, equal slidable mounting has the guide bar in two guide ways, the top of two guide bars extends to outside the corresponding guide way respectively, the top fixed mounting of two guide bars has first drawing board, the top of base is equipped with the pivot that is located between two support columns, the thread groove has been seted up to the bottom of pivot, the lead screw is installed to the thread groove internal thread, the bottom of lead screw extends to outside the thread groove and fixed mounting is at the top of base. The utility model relates to a rationally, the practicality is good, easy operation is convenient for highly adjust first drawing board, makes things convenient for the user mapping of different heights, is convenient for adjust the second drawing board outside first drawing board, and the usable floor area during increase mapping is convenient for accomodate the second drawing board in first drawing board moreover, reduces space area occupied, rational distribution.

Description

High-number graph-using device

Technical Field

The utility model relates to a teaching aid technical field specifically is a high number is as picture device.

Background

On a high-number teaching class, a teacher needs to draw a picture on a drawing board for explanation and demonstration, particularly geometric and functional explanation, the drawing becomes an important auxiliary explanation means, the high-number drawing board is a teaching tool for the teacher to explain the high-number function, the teacher can conveniently draw the picture and quickly, conveniently and vividly perform teaching, the teaching tool is beneficial to helping students to learn, and the high-number drawing board is a popular teaching tool for high-number function teaching.

However, in the prior art, the height of the commonly used height map is generally fixed and inconvenient, the height of the map cannot be adjusted according to the height of a user, the using area of the map is limited, a plurality of maps cannot be drawn and displayed on the map at the same time, the mapping situation is influenced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a high number is as picture device has solved the high number and has been used as highly not convenient to adjust of drawing board, and the usable floor area that the high number was used as the drawing board is limited, the poor problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-number drawing device comprises a base, wherein two support columns are fixedly mounted at the top of the base, guide grooves are formed in the tops of the two support columns, guide rods are slidably mounted in the two guide grooves, the top ends of the two guide rods extend out of the corresponding guide grooves respectively, a first drawing board is fixedly mounted at the top ends of the two guide rods, a rotating shaft located between the two support columns is arranged above the base, a threaded groove is formed in the bottom end of the rotating shaft, a lead screw is mounted in the threaded groove in a threaded manner, the bottom end of the lead screw extends out of the threaded groove and is fixedly mounted at the top of the base, a sliding groove is formed in one side of the first drawing board, a second drawing board is slidably mounted in the sliding groove, limiting grooves are formed in the inner walls of the top and the bottom of the sliding groove, limiting blocks are fixedly mounted at the top and the bottom of, the bottom fixed mounting of second drawing board has the rack, has seted up the mounting groove on the bottom inner wall of spout, is equipped with the connecting axle in the mounting groove, and fixed cover is equipped with the gear on the connecting axle, and the top of gear extends outside the mounting groove and meshes mutually with the rack, has seted up the through-hole on one side inner wall of mounting groove, and the through-hole is run through to the one end of connecting axle.

Preferably, the bottom of the base is rotatably provided with four universal wheels, and the four universal wheels are symmetrically arranged in pairs.

Preferably, the bottom fixed mounting of first drawing board has first bearing, and the top of pivot is rotated and is installed on first bearing, and the fixed cover is equipped with the anti-skidding packing ring in the pivot.

Preferably, the two limiting grooves are fixedly provided with sliding rods, and the two limiting blocks are respectively sleeved on the corresponding sliding rods in a sliding manner.

Preferably, the fixed cover is equipped with the bearing on the connecting axle, the outer lane of bearing and the inner wall fixed connection of through-hole, and the connecting axle is located the outer one end fixed mounting of mounting groove and has the handle, and fixed mounting has the second bearing frame on the one side inner wall that the through-hole was kept away from to the mounting groove, and the one end that the handle was kept away from to the connecting axle is rotated and is installed on the second bearing frame.

Preferably, a placing box is fixedly installed on one side of the first drawing board, and the top of the placing box is of an open structure.

(III) advantageous effects

The utility model provides a high number is as picture device. The method has the following beneficial effects:

(1) this kind of high number is as picture device, be convenient for remove this equipment through utilizing four universal wheels, the utilization is placed the box and is convenient for deposit some drawing tools, when needing to adjust the height of first drawing board, hold the slip washer clockwise rotation pivot, the first drawing board of pivot promotion risees, and on the same principle, the anticlockwise rotation pivot, the first drawing board of pivot promotion reduces, thereby can adjust the height of first drawing board according to user's height, the person of facilitating the use drawing, frictional force when utilizing the slip washer can increase and palm contact, rotate the countershaft more conveniently.

(2) This kind of high number is as picture device, through clockwise turning handle, the handle drives connecting axle and gear revolve, during gear revolve, the rack drives the outside direction removal of second drawing board to the spout, under the spacing cooperation of stopper and spacing groove, when shifting out the second drawing board to the outside maximum position of spout, the stop turning handle can, thereby can carry out the mapping on first drawing board and second drawing board, thereby the usable floor area of drawing board when having increased the mapping, the teaching of giving mr and student's study bring the convenience, when need not use the second drawing board, and in the same way, anticlockwise turning handle, it can to move the second drawing board in the spout, thereby can accomodate the second drawing board in the spout, utilize the intermeshing of gear and rack, carry out simple fixed to the second drawing board, it is outside the second drawing board spout when preventing to remove this equipment.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic side view of the cross-sectional structure of the present invention;

fig. 5 is an enlarged schematic view of a portion B in fig. 4.

In the figure: 1. a base; 2. a support pillar; 3. a guide groove; 4. a guide bar; 5. a first drawing board; 6. a rotating shaft; 7. a thread groove; 8. a screw rod; 9. a chute; 10. a second drawing board; 11. a limiting groove; 12. a limiting block; 13. a rack; 14. mounting grooves; 15. a connecting shaft; 16. a gear; 17. and a through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: a high-number drawing device comprises a base 1, two support columns 2 are fixedly mounted at the top of the base 1, guide grooves 3 are formed in the tops of the two support columns 2, guide rods 4 are slidably mounted in the two guide grooves 3, the top ends of the two guide rods 4 extend out of the corresponding guide grooves 3 respectively, a first drawing board 5 is fixedly mounted at the top ends of the two guide rods 4, a rotating shaft 6 located between the two support columns 2 is arranged above the base 1, a threaded groove 7 is formed in the bottom end of the rotating shaft 6, a lead screw 8 is mounted in the threaded groove 7 in a threaded manner, the bottom end of the lead screw 8 extends out of the threaded groove 7 and is fixedly mounted at the top of the base 1, a sliding groove 9 is formed in one side of the first drawing board 5, a second drawing board 10 is slidably mounted in the sliding groove 9, limiting grooves 11 are formed in the inner wall of the top and the inner wall of the bottom of the sliding groove, two stopper 12 are respectively slidable mounting at corresponding spacing inslot 11, and the bottom fixed mounting of second drawing board 10 has rack 13, has seted up mounting groove 14 on the bottom inner wall of spout 9, is equipped with connecting axle 15 in the mounting groove 14, and fixed cover is equipped with gear 16 on the connecting axle 15, and gear 16's top extends to the mounting groove 14 outer and meshes mutually with rack 13, has seted up through-hole 17 on one side inner wall of mounting groove 14, and through-hole 17 is run through to the one end of connecting axle 15.

Base 1's bottom is rotated and is installed four universal wheels, four universal wheels are two bisymmetry and arrange, the bottom fixed mounting of first drawing board 5 has the primary shaft bearing, the top of pivot 6 is rotated and is installed on the primary shaft bearing, fixed cover is equipped with anti-skidding packing ring in the pivot 6, equal fixed mounting has the slide bar on two spacing grooves 11, two stopper 12 slide the cover respectively and establish on corresponding slide bar, fixed cover is equipped with the bearing on the connecting axle 15, the outer lane of bearing and the inner wall fixed connection of through-hole 17, connecting axle 15 is located the outer one end fixed mounting of mounting groove 14 and has the handle, fixed mounting has the secondary shaft bearing on the one side inner wall of through-hole 17 is kept away from to mounting groove 14, the one end that the handle was kept away from to connecting axle 15 is rotated and is installed on the secondary shaft.

When the first drawing board 5 and the second drawing board 10 are whiteboard writing boards, the device is moved to a proper position by using four universal wheels, some drawing tools such as oil pens, eraser boards, compasses, ruler and the like can be stored by using the storage box, when the height of the first drawing board 5 needs to be adjusted, the anti-slip washer is held to rotate the rotating shaft 6 clockwise, the rotating shaft 6 pushes the first drawing board 5 to be lifted under the guiding action of the two guide rods 4 and the two guide grooves 3 due to the threaded connection and matching of the screw rod 8 and the threaded groove 7, the first drawing board 5 drives the two guide rods 4 to respectively slide outwards the corresponding guide grooves 3, and similarly, the rotating shaft 6 is rotated anticlockwise, the rotating shaft 6 pushes the first drawing board 5 to be lowered, so that the height of the first drawing board 5 can be adjusted according to the height requirement of a user, the user can conveniently carry out drawing, when a lot of pictures need to be drawn, the handle is rotated clockwise, the handle drives the connecting shaft 15 and the gear 16 to rotate, the gear 16 is meshed with the rack 13, when the gear 16 rotates, the rack 13 drives the second drawing board 10 to move towards the outside of the sliding groove 9, the sliding groove 9 drives the two limiting blocks 12 to respectively slide in the corresponding limiting grooves 11, under the limiting matching of the limiting blocks 12 and the limiting grooves 11, when the second drawing board 10 is moved out to the maximum position outside the sliding groove 9, the handle is stopped to rotate, so that drawing can be performed on the first drawing board 5 and the second drawing board 10, the use area of the drawing boards during drawing is increased, more pictures can be drawn, convenience is brought to teaching of teachers and learning of students, when the second drawing board 10 does not need to be used, the handle is rotated anticlockwise, the second drawing board 10 is moved into the sliding groove 9, so that the second drawing board 10 can be stored in the sliding groove 9, the reduction of the space occupation is achieved, while details not described in the present description are well within the knowledge of a person skilled in the art.

To sum up, the height can be used as a drawing device, the device can be moved conveniently by using four universal wheels, drawing tools can be stored conveniently by using a placing box, when the height of a first drawing board 5 needs to be adjusted, an anti-slip gasket is held to rotate a rotating shaft 6 clockwise, the rotating shaft 6 pushes the first drawing board 5 to be lifted, similarly, the rotating shaft 6 is rotated anticlockwise, the rotating shaft 6 pushes the first drawing board 5 to be lowered, so that the height of the first drawing board 5 can be adjusted according to the height of a user, drawing is convenient for the user, the friction force when the anti-slip gasket is contacted with a palm can be increased, the rotating shaft 6 can be rotated more conveniently, when more drawings are needed in the drawing process, a handle is rotated clockwise, a handle connecting shaft 15 and a gear 16 are driven to rotate, when the gear 16 rotates, a rack 13 drives a second drawing board 10 to move towards the outside a sliding chute 9, under the limit matching of a limit block 12 and a limit groove 11, when the second drawing board 10 is moved out of the chute 9 to the maximum position, the handle is stopped to rotate, so that drawing can be performed on the first drawing board 5 and the second drawing board 10, thereby increasing the using area of the drawing boards during drawing, bringing convenience to teaching of teachers and learning of students, when the second drawing board 10 is not needed, the handle is rotated anticlockwise, the second drawing board 10 is moved into the chute 9, so that the second drawing board 10 can be accommodated into the chute 9, the second drawing board 10 is simply fixed by utilizing the mutual meshing of the gear 16 and the rack 13, and the second drawing board 10 is prevented from sliding out of the chute 9 when the device is moved, the utility model has the advantages of reasonable design, good practicability, simple operation, convenient adjustment of the height of the first drawing board 5, convenient drawing of users with different heights, convenient adjustment of the second drawing board 10 out of the first drawing board 5, and increase of the using area during drawing, and be convenient for accomodate second drawing board 10 to first drawing board 5 in, reduce space area, rational distribution.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-count graphic apparatus comprising a base (1), characterized in that: the top of the base (1) is fixedly provided with two support columns (2), guide grooves (3) are formed in the tops of the two support columns (2), guide rods (4) are arranged in the two guide grooves (3) in a sliding manner, the top ends of the two guide rods (4) extend to the outside of the corresponding guide grooves (3) respectively, a first drawing board (5) is fixedly arranged on the top ends of the two guide rods (4), a rotating shaft (6) positioned between the two support columns (2) is arranged above the base (1), a thread groove (7) is formed in the bottom end of the rotating shaft (6), a lead screw (8) is arranged in the thread groove (7), the bottom end of the lead screw (8) extends to the outside of the thread groove (7) and is fixedly arranged at the top of the base (1), a sliding groove (9) is formed in one side of the first drawing board (5), a second drawing board (10) is arranged in the sliding groove (9), and limit grooves (11) are formed in the inner, the top and the equal fixed mounting in bottom of second drawing board (10) have stopper (12), two stopper (12) slidable mounting respectively are in corresponding spacing groove (11), the bottom fixed mounting of second drawing board (10) has rack (13), mounting groove (14) have been seted up on the bottom inner wall of spout (9), be equipped with connecting axle (15) in mounting groove (14), fixed cover is equipped with gear (16) on connecting axle (15), the top of gear (16) extends to mounting groove (14) outer and meshes mutually with rack (13), through-hole (17) have been seted up on one side inner wall of mounting groove (14), through-hole (17) are run through to the one end of connecting axle (15).

2. A high-number graph-using apparatus as claimed in claim 1, wherein: the bottom of the base (1) is rotatably provided with four universal wheels, and the four universal wheels are symmetrically arranged in pairs.

3. A high-number graph-using apparatus as claimed in claim 1, wherein: the bottom fixed mounting of first drawing board (5) has first bearing, and the top of pivot (6) is rotated and is installed on first bearing, and fixed cover is equipped with anti-skidding packing ring on pivot (6).

4. A high-number graph-using apparatus as claimed in claim 1, wherein: the two limiting grooves (11) are fixedly provided with sliding rods, and the two limiting blocks (12) are respectively sleeved on the corresponding sliding rods in a sliding manner.

5. A high-number graph-using apparatus as claimed in claim 1, wherein: the fixed cover is equipped with the bearing on connecting axle (15), the outer lane of bearing and the inner wall fixed connection of through-hole (17), and connecting axle (15) are located the outer one end fixed mounting of mounting groove (14) and have the handle, and fixed mounting has the second bearing seat on one side inner wall that through-hole (17) were kept away from in mounting groove (14), and the one end rotation of keeping away from the handle in connecting axle (15) is installed on the second bearing seat.

6. A high-number graph-using apparatus as claimed in claim 1, wherein: a placing box is fixedly installed on one side of the first drawing board (5), and the top of the placing box is of an opening structure.