CN213277080U

CN213277080U - Basic structure display device of database

Info

Publication number: CN213277080U
Application number: CN202022617174.6U
Authority: CN
Inventors: 张丽勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-05-25
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a database basic structure display device, the on-line screen storage device comprises a base, four angles difference fixedly connected with universal wheels of lower surface of base, the upper surface difference fixedly connected with fixing base and the fixed plate of base, the top of fixing base is rotated through the pivot and is connected with the support column, the upper surface of support column is provided with electric putter, electric putter's flexible end fixedly connected with montant. This database basic structure display device, through setting up the supporting seat, the collar, first synchronizing wheel, the second synchronizing wheel, drive belt and servo motor, it rotates to drive the collar by servo motor, the collar passes through the annular groove internal rotation of annular slider at the supporting seat upper surface, thereby the realization uses the montant to drive the mounting panel rotation as the axle center, and then drive the show board and carry out the rotation of horizontal direction, the horizontal angle of adjusting the show board has been realized, make things convenient for mr to operate, the time is saved, the effect of show teaching has been improved.

Description

Basic structure display device of database

Technical Field

The utility model relates to a teaching show technical field specifically is a database basic structure display device.

Background

The database is a warehouse which organizes, stores and manages data according to a data structure, along with the development of information technology and market, the basic structure of the database is divided into three levels of a physical database, a concept database and a user database, three different angles for observing the database are reflected, and a teacher generally teaches students through a display device when explaining the basic structure of the database.

Current display device is in the in-service use in-process, because display device lacks the pivoted function, and inconvenient mr adjusts the demonstration angle of show board, and then makes the unable comprehensive teaching content who observes display device show of student, has reduced the effect of teaching.

Therefore, the device for showing the basic structure of the database is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a database basic structure display device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a basic structure display device for a database comprises a base, wherein four corners of the lower surface of the base are respectively and fixedly connected with universal wheels, the upper surface of the base is respectively and fixedly connected with a fixed seat and a fixed plate, the top of the fixed seat is rotatably connected with a supporting column through a rotating shaft, the upper surface of the supporting column is provided with an electric push rod, the telescopic end of the electric push rod is fixedly connected with a vertical rod, the surface of the vertical rod is fixedly connected with a supporting seat, the surface of the vertical rod is movably connected with a mounting ring, the upper surface of the mounting ring is fixedly connected with a connecting block, the upper surface of the connecting block is fixedly connected with a first synchronizing wheel, the first synchronizing wheel is sleeved on the surface of the vertical rod, the left side of the supporting seat is fixedly connected with a supporting plate, the upper surface of the, the second synchronizing wheel is in transmission connection with the first synchronizing wheel through a transmission belt.

Preferably, an annular groove is formed in the upper surface of the supporting seat, an annular sliding block is connected to the inner wall of the annular groove in a sliding mode, and the upper surface of the annular sliding block is fixedly connected with the mounting ring.

Preferably, the fixed surface of collar is connected with the fixed column, the right-hand member fixedly connected with mounting panel of fixed column, two through-holes, two have been seted up to the side of mounting panel the inner wall of through-hole all is pegged graft there is the picture peg, two the right side fixedly connected with show board of picture peg.

Preferably, the upper surface of mounting panel has seted up the locating hole, the inner wall grafting of locating hole has the pin, the lower surface of picture peg is run through to the pin.

Preferably, the left side of fixed plate is rotated through the bearing and is connected with the lead screw, the surperficial threaded connection of lead screw has the movable block, the upper surface of movable block articulates there is the movable rod, the movable rod is kept away from the one end of lead screw and is articulated with the surface of support column, the left end fixedly connected with handle of lead screw.

Preferably, the upper surface of base is provided with control switch, control switch respectively with servo motor and electric putter electric connection.

Advantageous effects

The utility model provides a database basic structure display device possesses following beneficial effect:

1. this database basic structure display device, through setting up the supporting seat, the collar, first synchronizing wheel, the second synchronizing wheel, drive belt and servo motor, it rotates to drive the collar by servo motor, the collar passes through the annular groove internal rotation of annular slider at the supporting seat upper surface, thereby the realization uses the montant to drive the mounting panel rotation as the axle center, and then drive the show board and carry out the rotation of horizontal direction, the horizontal angle of adjusting the show board has been realized, make things convenient for mr to operate, the time is saved, the effect of show teaching has been improved.

2. This database basic structure display device, through setting up the lead screw, the movable block, the handle, the cooperation of movable rod is used, it rotates to drive the lead screw through rotating the handle, the lead screw makes the movable block on its surface do horizontal migration, through setting up the movable block, it is articulated to be between movable rod and the support column, can change the inclination of support column by the movable block, thereby realize adjusting the perpendicular display angle of show board, pass through picture peg and pin erection joint through setting up the show board, the change is dismantled to the show board to the convenience, make the device have stronger practicality.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: the device comprises a base 1, a support column 2, an electric push rod 3, a vertical rod 4, a support seat 5, a mounting ring 6, a first synchronizing wheel 7, a servo motor 8, a second synchronizing wheel 9, an annular sliding block 10, a mounting plate 11, a display plate 12, a pin 13, a movable block 14, a handle 15 and a control switch 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. 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a database basic structure display device, the on-line screen storage device comprises a base 1, four angles difference fixedly connected with universal wheels of base 1's lower surface, base 1's upper surface difference fixedly connected with fixing base and fixed plate, the left side of fixed plate is rotated through the bearing and is connected with the lead screw, the surperficial threaded connection of lead screw has movable block 14, the upper surface of movable block 14 articulates there is the movable rod, the movable rod is kept away from the one end of lead screw and is articulated with support column 2's surface, the left end fixedly connected with handle 15 of lead screw, base 1's last fixed surface is connected with the baffle, the lead screw.

The top of fixing base is rotated through the pivot and is connected with support column 2, and the upper surface of support column 2 is provided with electric putter 3, and electric putter 3's flexible end fixedly connected with montant 4, the top fixedly connected with stopper of montant 4, the fixed surface of montant 4 is connected with supporting seat 5, and the surperficial swing joint of montant 4 has collar 6.

Annular groove has been seted up to the upper surface of supporting seat 5, annular groove's inner wall sliding connection has annular slider 10, annular slider 10's upper surface and 6 fixed connection of collar, the fixed surface of collar 6 is connected with the fixed column, the right-hand member fixedly connected with mounting panel 11 of fixed column, two through-holes have been seted up to mounting panel 11's side, the inner wall of two through-holes is all pegged graft and is had the picture peg, the right side fixedly connected with show board 12 of two picture pegs, the locating hole has been seted up to mounting panel 11's upper surface, the inner wall of locating hole is pegged graft and is had pin 13, pin 13 runs through the lower surface of picture peg, show board 12 by picture peg and pin 13 erection joint through setting up, the change is dismantled.

The cooperation through setting up lead screw, movable block 14, handle 15, movable rod is used, drives the lead screw through rotating handle 15 and rotates, and the lead screw makes the movable block 14 on its surface do horizontal migration, is articulated through setting up between movable block 14, movable rod and the support column 2, can change the inclination of support column 2 by movable block 14 to the perpendicular demonstration angle of adjusting show board 12 is realized.

The last fixed surface of collar 6 is connected with the connecting block, the last fixed surface of connecting block is connected with first synchronizing wheel 7, first synchronizing wheel 7 cup joints on the surface of montant 4, the left side fixedly connected with backup pad of supporting seat 5, the upper surface of backup pad is provided with servo motor 8, servo motor 8's output shaft fixedly connected with second synchronizing wheel 9, second synchronizing wheel 9 passes through drive belt with first synchronizing wheel 7 and is connected, the upper surface of base 1 is provided with control switch 16, control switch 16 respectively with

servo motor

8 and 3 electric connection of electric putter.

Through setting up supporting seat 5, the collar 6, first synchronizing wheel 7, second synchronizing wheel 9, drive belt and servo motor 8, drive collar 6 by servo motor 8 and rotate, collar 6 passes through the annular groove internal rotation of annular slider 10 at supporting seat 5 upper surface, thereby realize using montant 4 to drive mounting panel 11 and rotate as the axle center, and then drive show board 12 and carry out the rotation of horizontal direction, the horizontal angle of adjusting show board 12 has been realized, make things convenient for mr to operate, the time is saved, the effect of show teaching has been improved.

The working principle is as follows: when the device is used, firstly, the device is moved to a use place through the universal wheel on the lower surface of the base 1, then the electric push rod 3 is started through the control switch 16, the telescopic end of the electric push rod 3 drives the vertical rod 4 to lift, the height of the display device is adjusted according to the use requirement, the servo motor 8 is started again to drive the second synchronous wheel 9 to rotate, the second synchronous wheel 9 drives the first synchronous wheel 7 to rotate through the transmission belt, the first synchronous wheel 7 drives the mounting ring 6 to rotate through the connecting block, the mounting ring 6 rotates in the annular groove on the upper surface of the supporting seat 5 through the annular sliding block 10, so that the mounting plate 11 is driven to rotate by taking the vertical rod 4 as the axis, the display plate 12 is driven to rotate in the horizontal direction, the horizontal angle of the display plate 12 is adjusted, the operation of a teacher is convenient, the handle 15 is rotated to drive the screw rod to rotate, and the movable block, through setting up and being articulated between movable block 14, movable rod and the supporting seat 5, can change the inclination of supporting seat 5 by movable block 14 to the perpendicular demonstration angle that realizes adjusting show board 12 makes the device have stronger practicality.

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 database basic structure display device comprises a base (1), and is characterized in that: the universal wheel is fixedly connected to four corners of the lower surface of the base (1) respectively, the fixing seat and a fixing plate are fixedly connected to the upper surface of the base (1) respectively, the supporting column (2) is rotatably connected to the top of the fixing seat through a rotating shaft, the electric push rod (3) is arranged on the upper surface of the supporting column (2), the vertical rod (4) is fixedly connected to the telescopic end of the electric push rod (3), the supporting seat (5) is fixedly connected to the surface of the vertical rod (4), the mounting ring (6) is movably connected to the surface of the vertical rod (4), the connecting block is fixedly connected to the upper surface of the mounting ring (6), the first synchronizing wheel (7) is fixedly connected to the upper surface of the connecting block, the first synchronizing wheel (7) is sleeved on the surface of the vertical rod (4), the supporting plate is fixedly connected to the left side of the supporting seat (, the output shaft of the servo motor (8) is fixedly connected with a second synchronous wheel (9), and the second synchronous wheel (9) is in transmission connection with the first synchronous wheel (7) through a transmission belt.

2. The device for displaying the basic structure of the database as claimed in claim 1, wherein: an annular groove is formed in the upper surface of the supporting seat (5), an annular sliding block (10) is connected to the inner wall of the annular groove in a sliding mode, and the upper surface of the annular sliding block (10) is fixedly connected with the mounting ring (6).

3. The device for displaying the basic structure of the database as claimed in claim 1, wherein: the fixed surface of collar (6) is connected with the fixed column, the right-hand member fixedly connected with mounting panel (11) of fixed column, two through-holes, two have been seted up to the side of mounting panel (11) the inner wall of through-hole all is pegged graft there is the picture peg, two the right side fixedly connected with show board (12) of picture peg.

4. A database infrastructure exhibition apparatus according to claim 3, wherein: the locating hole has been seted up to the upper surface of mounting panel (11), the inner wall grafting of locating hole has pin (13), the lower surface of picture peg is run through in pin (13).

5. The device for displaying the basic structure of the database as claimed in claim 1, wherein: the left side of fixed plate is rotated through the bearing and is connected with the lead screw, the surperficial threaded connection of lead screw has movable block (14), the upper surface of movable block (14) articulates there is the movable rod, the one end that the lead screw was kept away from to the movable rod is articulated with the surface of support column (2), the left end fixedly connected with handle (15) of lead screw.

6. The device for displaying the basic structure of the database as claimed in claim 1, wherein: the upper surface of base (1) is provided with control switch (16), control switch (16) respectively with servo motor (8) and electric putter (3) electric connection.