CN211016276U

CN211016276U - Display board with variable fonts

Info

Publication number: CN211016276U
Application number: CN201922329675.1U
Authority: CN
Inventors: 尹丹; 田莉
Original assignee: Hunan Vocational College of Electronic and Technology
Current assignee: Hunan Vocational College of Electronic and Technology
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-14
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a variable typeface panel, including panel and electron show screen, still include main part unit, drive unit and lift unit, the main part unit includes casing and battery, the inside top of casing is provided with accomodates the chamber, and accomodates one side of intracavity portion and be provided with the battery, one side of accomodating intracavity portion and keeping away from the battery is provided with the opening, accomodate the inside sliding tray that is provided with of casing of chamber below. When needs use variable typeface when showing the data, open a body, driving motor, the output of motor drives the screw rod and rotates, make the sliding block move to the sliding tray and keep away from near open-ended one end, at this moment show variable typeface and remove opening position department, be used for showing the data, when not using, driving motor reversal, can know by above-mentioned principle, make electronic display screen remove to the inside chamber portion of accomodating of casing, then close a body, protect electronic display screen, and prevent that electronic display screen from being infected with the dust.

Description

Display board with variable fonts

Technical Field

The utility model relates to a show board technical field, specificly relate to a variable typeface panel.

Background

The variable font panel is that setting up the electron show screen on the panel, openly showing the data through variable font, increase the bandwagon effect, attract more attention. In some particularly important exhibition halls or places, a variable font display board is often used for improving the exhibition effect, but the existing variable font display board is slightly bulky and inconvenient to carry and move.

The national intellectual property office authorizes a utility model patent named 'a variable font panel' in 2018, 8, 31, and the application number is: 201820139920.5, the fixed seat drives the walking wheels to roll, so as to push the display board to move, which is convenient for moving and carrying the display board; through setting up servo motor, first axis of rotation, the crane, the second axis of rotation, remove the seat, the carriage release lever, and the rubber pad, servo motor work drives walking wheel rebound through first axis of rotation and crane, drive the second axis of rotation through the transmission structure simultaneously and rotate, the second axis of rotation rotates and drives the rubber pad rebound through removing seat and carriage release lever, avoid taking place to remove at the panel in the show process, improve the overall stability of panel, but it is in removing the handling, because the setting of electron show screen is in one side of panel, remove in the transport, the display screen leads to the display screen to damage with external bumping easily.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a variable typeface panel to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a variable font display board comprises a display board and an electronic display screen, and further comprises a main body unit, a driving unit and a lifting unit, wherein the main body unit comprises a shell and a storage battery, a storage cavity is formed in the top end of the interior of the shell, the storage battery is arranged on one side of the interior of the storage cavity, an opening is formed in one side, away from the storage battery, of the interior of the storage cavity, a sliding groove is formed in the interior of the shell below the storage cavity, a gear roller groove is formed in the interior of the shell below the middle of the sliding groove, and limiting grooves are formed in the four corners of the bottom of the;

the driving unit comprises a sliding plate, a rack plate, a motor, a screw rod, a gear roller and a gear, the sliding plate is arranged in the sliding groove in a sliding mode, the rack plate is arranged at the bottom of the sliding plate, the motor is arranged in a shell at one end of the sliding groove, the output end of the motor extends into the sliding groove and is fixedly connected with the screw rod which penetrates through the sliding plate and is arranged in the sliding groove through a bearing, the gear roller is arranged in the gear roller groove through the bearing, the gear roller and the rack plate are mutually meshed, two output shafts of the gear roller extend to two sides of the shell and are fixedly connected with the gear, a display plate is vertically arranged at the top of the sliding plate, an electronic display screen is arranged on one side, away from the storage battery, of the display plate, and variable fonts are;

the lifting unit is arranged at the bottom of the shell and comprises a bottom plate, a limiting rod, universal wheels, support columns, sleeves, sliding rods and racks, the limiting rod is perpendicularly arranged at each of the four corners of the top of the bottom plate, the limiting rod is arranged inside a limiting groove in a sliding mode, the universal wheels are evenly arranged at the bottom of the bottom plate, through holes are formed in the bottom plate on one side of the limiting rod in a penetrating mode, the support columns are arranged at the bottom of the shell above the through holes, the sliding rods are arranged on the side wall, on one side of the gear, of the shell, the bottom ends of the sliding rods are connected with the bottom plate through the sleeves in a sliding mode, the racks are arranged on one side, close.

Preferably, a door body is arranged on the shell at the opening position, and a handle is arranged on the door body.

Preferably, both sides in the sliding groove are provided with sliding strips, and both sides of the sliding plate are provided with sliding grooves matched with the sliding strips.

Preferably, the bottom end of the supporting column is provided with a rubber pad.

Preferably, the shell is electrically connected with the motor and the electronic display screen.

3. Advantageous effects

1. The sliding groove of the utility model is internally provided with a sliding plate in a sliding way, the bottom of the sliding plate is provided with a rack plate, the shell at one end of the sliding groove is internally provided with a motor, the output end of the motor extends into the sliding groove and is fixedly connected with a screw rod which penetrates through the sliding plate and is arranged in the sliding groove through a bearing, the top of the sliding plate is vertically provided with a display board, one side of the display board far away from a storage battery is provided with an electronic display screen, the electronic display screen displays variable characters, the shell at an opening position is provided with a door body, and the door body is provided with a handle, when the variable characters are needed to display the data, the door body is opened, a driving motor is driven by the output end of the motor to rotate, so that the sliding block moves to one end of the sliding groove far away from the opening, the display variable characters move to the opening position for, make the electron show screen remove to the inside chamber inside of accomodating of casing, then close the door body, protect the electron show screen to prevent that the electron show screen from being infected with the dust.

2. The utility model discloses the inside of gear roller groove is provided with the gear roller through the bearing, and the gear roller and rack board intermeshing, two output shafts of gear roller extend to the casing both sides all fixedly connected gears, four angular positions department at top all sets up the gag lever post perpendicularly, and the gag lever post slides and sets up in the inside of gag lever post, the bottom of bottom plate evenly sets up the universal wheel, run through on the bottom plate of gag lever post one side and set up the through-hole, the casing bottom of through-hole top sets up the support column, the casing lateral wall of gear one side sets up the slide bar through the sleeve slides, and the slide bar bottom is connected with the bottom plate, the slide bar is provided with the rack near one side of gear, and rack and gear intermeshing, when driving motor makes electronic display screen move to open position department, the rack board of slide block bottom meshes with the gear roller and drives the gear roller to rotate, and then make the gear rotate, drive the slide, and further making the bottom plate move upwards, thereby making the universal wheels on the bottom plate move upwards, at the same time, the support column passes through the through hole and contacts with the ground for supporting, and avoiding the display board moving in the display process, and improving the overall stability of the display board, when not in use, the motor rotates reversely to make the sliding block move to the side far away from the opening, so that the sliding rod moves downwards, and further making the universal wheels at the bottom of the bottom plate move downwards and contact with the ground, at the same time, the support column leaves the ground, so as to be convenient for moving the utility model, namely, when the electronic display screen moves to the opening, the support column contacts with the ground for supporting, avoiding the display board moving in the display process, and improving the overall stability of the display board, when the electronic display screen moves to the inside of the sliding cavity, the universal wheels contact with the ground, so as to move the utility model, the electronic display screen is prevented from colliding with the outside.

Drawings

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

FIG. 2 is a schematic view of a half-section structure in a first state of the present application;

fig. 3 is a structural diagram of the second state of the present invention;

FIG. 4 is a schematic view of a second half-section structure of the present invention;

fig. 5 is a schematic diagram of a second state front structure of the present invention.

Reference numerals: 1-bottom plate, 2-limit groove, 3-screw rod, 4-sliding groove, 5-containing cavity, 51-opening, 6-electronic display screen, 7-door body, 8-display plate, 9-storage battery, 10-shell, 11-sliding plate, 12-motor, 13-supporting column, 14-limit rod, 141-through hole, 15-universal wheel, 16-sliding rod, 17-gear roller, 171-gear roller groove, 18-rack plate, 19-gear, 20-sleeve and 21-rack.

Detailed Description

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

Examples

As shown in fig. 1-5, the variable font display panel includes a display panel 8 and an electronic display screen 6, and further includes a main unit, a driving unit and a lifting unit, where the main unit includes a casing 10 and a battery 9, a storage chamber 5 is provided at the top end inside the casing 10, the battery 9 is provided at one side inside the storage chamber 5, an opening 51 is provided at one side inside the storage chamber 5 away from the battery 9, a door body 7 is provided on the casing 10 at the position of the opening 51, a handle is provided on the door body 7, a sliding groove 4 is provided inside the casing 10 below the storage chamber 5, a gear roller groove 171 is provided inside the casing 10 below the middle part of the sliding groove 4, and limiting grooves 2 are provided at four corners of the bottom of the casing 10;

the driving unit comprises a sliding plate 11, a rack plate 18, a motor 12, a screw rod 3, a gear roller 17 and a gear 19, the sliding plate 11 is arranged inside a sliding groove 4 in a sliding mode, sliding strips are arranged on two sides inside the sliding groove 4, sliding grooves matched with the sliding strips are arranged on two sides of the sliding plate 11, the rack plate 18 is arranged at the bottom of the sliding plate 11, the motor 12 is arranged inside a shell 10 at one end of the sliding groove 4, the output end of the motor 12 extends into the sliding groove 4 and is fixedly connected with the screw rod 3 which penetrates through the sliding plate 11 and is arranged inside the sliding groove 4 through a bearing, the gear roller 17 is arranged inside a gear roller groove 171 through a bearing, the gear roller 17 is meshed with the rack plate 18, two output shafts of the gear roller 17 extend to two sides of the shell 10 and are fixedly connected with the gear 19, a display plate 8 is vertically arranged at the top of the sliding plate 11, and an electronic display screen 6, the electronic display screen 6 displays variable fonts;

lifting unit locates casing 10 bottom, lifting unit includes bottom plate 1, gag lever post 14, universal wheel 15, support column 13, sleeve 20, slide bar 16 and rack 21, four angular position departments at 1 top of bottom plate all are provided with gag lever post 14 perpendicularly, and gag lever post 14 slides and sets up inside spacing groove 2, bottom plate 1's bottom evenly is provided with universal wheel 15, it is provided with through-hole 141 to run through on the bottom plate 1 of gag lever post 14 one side, the casing 10 bottom of through-hole 141 top is provided with support column 13, the bottom of support column 13 is provided with the rubber pad, the casing 10 lateral wall of gear 19 one side slides through sleeve 20 and is provided with slide bar 16, and slide bar 16 bottom is connected with bottom plate 1, one side that slide bar 16 is close to gear 19 is provided with rack 21, and rack 21 and gear 19 intermeshing, casing 10 and motor 12, electronic display screen 6 electricity is connected.

The working principle is as follows: when the variable font display data needs to be used, the door body 7 is opened, the motor 12 is driven, the output end of the motor 12 drives the screw rod 3 to rotate, the sliding block 11 moves to one end of the sliding groove 4, which is far away from the opening 51, at the moment, the electronic display screen 6 moves to the position of the opening 51 for displaying the data, when the electronic display screen is not used, the motor 12 is driven to rotate reversely, according to the principle, the electronic display screen 6 moves to the inside of the containing cavity 10 inside the shell 10, then the door body 7 is closed, the electronic display screen 6 is protected, the electronic display screen 6 is prevented from being polluted by dust, when the electronic display screen 6 moves to the position of the opening 51, the rack plate 18 at the bottom of the sliding block 11 is meshed with the gear roller 17 to drive the gear roller 17 to rotate, further, the gear 19 rotates, the sliding rod 16 is driven to move upwards through the rack 21 meshed with the gear, and further the bottom, thereby the universal wheel 15 on the bottom plate 1 moves upwards, at this time, the supporting column 13 passes through the through hole 141 and contacts with the ground for supporting, the display board is prevented from moving in the display process, the overall stability of the display board is improved, when not in use, the motor 12 rotates reversely to make the sliding block 11 move to the end far away from the opening 51, the sliding rod 16 moves downwards, further the universal wheel 15 at the bottom of the bottom plate 1 moves downwards and contacts with the ground, at this time, the supporting column 13 leaves the ground, the utility model is convenient to move, namely, when the electronic display screen 6 moves to the opening 51, the supporting column 13 contacts with the ground for supporting, the display board is prevented from moving in the display process, the overall stability of the display board is improved, when the electronic display screen 9 moves to the inside of the sliding cavity 5, the universal wheel 15 contacts with the ground, the utility model is convenient to move, and when moving, prevent the electronic display screen 6 from colliding with the outside.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The variable font display board comprises a display board (8) and an electronic display screen (6), and is characterized by further comprising a main body unit, a driving unit and a lifting unit, wherein the main body unit comprises a shell (10) and a storage battery (9), a storage cavity (5) is formed in the top end inside the shell (10), the storage battery (9) is arranged on one side inside the storage cavity (5), an opening (51) is formed in one side, far away from the storage battery (9), inside the storage cavity (5), of the shell (10) below the storage cavity (5), a sliding groove (4) is formed in the shell (10) below the middle of the sliding groove (4), gear roller grooves (171) are formed in the shell (10) below the middle of the sliding groove (4), and limiting grooves (2) are formed in positions at the bottoms of four corners of the shell (10;

the driving unit comprises a sliding plate (11), a rack plate (18), a motor (12), a screw (3), a gear roller (17) and a gear (19), the sliding plate (11) is arranged in the sliding groove (4) in a sliding mode, the rack plate (18) is arranged at the bottom of the sliding plate (11), the motor (12) is arranged in a shell (10) at one end of the sliding groove (4), the output end of the motor (12) extends into the sliding groove (4) and is fixedly connected with the screw (3) which penetrates through the sliding plate (11) and is arranged in the sliding groove (4) through a bearing, the gear roller (17) is arranged in the gear roller groove (171) through the bearing, the gear roller (17) and the rack plate (18) are meshed with each other, two output shafts of the gear roller (17) extend to two sides of the shell (10) and are fixedly connected with the gear (19), and a display plate (8) is vertically arranged at the top of the sliding plate (, an electronic display screen (6) is arranged on one side, away from the storage battery (9), of the display board (8), and variable fonts are displayed on the electronic display screen (6);

the lifting unit is arranged at the bottom of the shell (10), the lifting unit comprises a bottom plate (1), a limiting rod (14), universal wheels (15), support columns (13), a sleeve (20), a sliding rod (16) and a rack (21), the limiting rods (14) are vertically arranged at four corners of the top of the bottom plate (1), the limiting rods (14) are arranged in the limiting grooves (2) in a sliding mode, the universal wheels (15) are uniformly arranged at the bottom of the bottom plate (1), through holes (141) are formed in the bottom plate (1) on one side of the limiting rods (14), the support columns (13) are arranged at the bottom of the shell (10) above the through holes (141), the sliding rods (16) are arranged on the side wall of the shell (10) on one side of the gear (19) in a sliding mode through the sleeve (20), the bottom ends of the sliding rods (16) are connected with the bottom plate (1), the rack (21) is arranged on one side, close to the gear, and the rack (21) and the gear (19) are meshed with each other.

2. The variable font display board according to claim 1, characterized in that a door body (7) is arranged on the casing (10) at the position of the opening (51), and a handle is arranged on the door body (7).

3. The display board with variable fonts as claimed in claim 1, wherein the sliding groove (4) is provided with sliding bars on both sides inside, and the sliding board (11) is provided with sliding grooves on both sides matching with the sliding bars.

4. The variable font display board according to claim 1, characterized in that the bottom end of the supporting column (13) is provided with a rubber pad.

5. The variable font display board according to claim 1, characterized in that the housing (10) is electrically connected with the motor (12) and the electronic display screen (6).