CN212586687U

CN212586687U - Electronic whiteboard multimedia

Info

Publication number: CN212586687U
Application number: CN202021144298.0U
Authority: CN
Inventors: 王建华
Original assignee: Chengdu Redleaf Technology Co ltd
Current assignee: Chengdu Redleaf Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-23
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses an electronic whiteboard is multi-media relates to multi-media technical field. This electronic whiteboard is multi-media, including two fixed columns, the top of two fixed columns is slided and is inlayed and is equipped with the activity post, and one side that two activity posts carried on the back mutually all is spliced has the rack, and the device case has all been welded to one side that two fixed column surfaces carried on the back mutually, and the inside of two device cases all has the handle through bearing fixed mounting. This whiteboard is multi-media, when using, rotatory two handles, drive two gears through two bearings, tooth mesh on two gears and the rack, thereby drive two movable post upward movements, make two connect the bearing and drive movable rod and two whiteboard upward movements, after adjusting a position, rotatory screw thread pad, thereby increase frictional force and fix the device, when needing angle of adjustment, open the power, the bottom that drives whiteboard through electric telescopic handle rotates, conveniently adjust the position and the angle of blank, the person of facilitating the use uses.

Description

Electronic whiteboard multimedia

Technical Field

The utility model relates to a multi-media technical field specifically is whiteboard multi-media.

Background

The projector is placed behind the electronic whiteboard to project computer images, and the computer images are displayed from the back of the whiteboard, so that a user can operate the projector very naturally, and projection light cannot be blocked to generate any shadow. The system composition of the rear projection type electronic whiteboard is the same as that of the front projection type electronic whiteboard, the projector is integrated, a placing space of a PC is reserved, the existing electronic whiteboard cannot be lifted and adjusted in angle when in use, so that a user feels inconvenient when in use, and some mosquitoes and other insects easily enter the existing heat dissipation device, so that the device is damaged, and the service life of the device is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic whiteboard is multi-media, conveniently adjusts the position and the angle of blank, and the person of facilitating the use uses, and fine having prevented that the mosquito from getting into inside to cause certain damage to the device, conveniently dispel the heat for the device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the electronic whiteboard multimedia comprises two fixed columns, movable columns are slidably embedded at the tops of the two fixed columns, racks are respectively glued on the opposite sides of the two movable columns, device boxes are respectively welded on the opposite sides of the outer surfaces of the two fixed columns, handles are respectively fixedly arranged in the two device boxes through bearings, gears are respectively fixedly arranged on the front surfaces of the two handles, a supporting table is fixedly arranged on the rear surfaces of the two fixed columns, supporting bench surface top's center department fixed mounting has the backing plate, the both sides fixed mounting of backing plate top center department has two risers, two dead lever movable mounting has electric telescopic handle, two all to lead to dead lever one side that the riser is relative the equal fixed mounting in one side that the movable column top is relative has connecting bearing, two connecting bearing's inside all inlays and is equipped with the movable rod, the surface cover of movable rod is equipped with electronic whiteboard.

In order to make the whiteboard can be better dispel the heat, as the utility model discloses whiteboard multimedia is preferred, the fixedly connected with heat dissipation case is located at the center of fixed column rear surface, a plurality of louvres have been seted up to the rear surface of heat dissipation case, the rectangle recess has been seted up to the inside of heat dissipation case, the inside fixed mounting of rectangle recess has the motor, the output shaft fixedly connected with blade of motor.

In order to facilitate the movable column to slide up and down, as the utility model discloses the electronic whiteboard multimedia is preferred, two the movable column is close to the top of two device casees and all seted up with two rack assorted recesses, two the through-hole, two have all been seted up to the relative one side of device case the gear is connected with two rack toothing.

For the convenience drive whiteboard rotates, conduct the utility model discloses whiteboard is preferred for the multimedia, auxiliary block swing joint is passed through at the bottom of whiteboard rear surface in electric telescopic handle's top, whiteboard's top seted up with be connected bearing assorted through-hole.

For convenient controlling means, as the utility model discloses electronic whiteboard is multi-media preferred, the input of electric telescopic handle and motor and external power source's output electric connection, the bottom fixed mounting that the brace table is close to the rear surface has two bracing pieces.

In order to make the blade drive the gear rotate in order to make things convenient for the utility model discloses the whiteboard multi-media is preferred, two the inside of device case link up mutually with the inside of two fixed columns, two the center department of device case rear surface seted up with two bearing assorted through-holes.

The utility model provides an electronic whiteboard is multi-media. The method has the following beneficial effects:

(1) this whiteboard is multi-media, when using, rotatory two handles, drive two gears through two bearings, tooth mesh on two gears and the rack, thereby drive two movable post upward movements, make two connect the bearing and drive movable rod and two whiteboard upward movements, after adjusting a position, rotatory screw thread pad, thereby increase frictional force and fix the device, when needing angle of adjustment, open the power, the bottom that drives whiteboard through electric telescopic handle rotates, conveniently adjust whiteboard's position and angle, the person of facilitating the use uses.

(2) This whiteboard is multi-media, when the device uses, the motor drives the blade and rotates to dispel the heat for the device, through the louvre of heat dissipation case rear surface, fine prevented that the mosquito from getting into inside, thereby cause certain damage to the device, conveniently dispel the heat for the device.

Drawings

Fig. 1 is a front perspective view of the present invention;

fig. 2 is a rear perspective view of the present invention;

figure 3 is the utility model discloses a heat dissipation case cuts open perspective.

In the figure: 1. fixing a column; 2. a movable post; 3. connecting a bearing; 4. an electronic whiteboard; 5. a movable rod; 6. a rack; 7. a device case; 8. a gear; 9. a support table; 10. a base plate; 11. an electric telescopic rod; 12. a vertical plate; 13. a heat dissipation box; 14. a motor; 15. a blade; 16. a handle.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: electronic whiteboard is multi-media, including two fixed columns 1, the top slip of two fixed columns 1 is inlayed and is equipped with movable column 2, two movable column 2 one side that carries on the back mutually all is spliced there is rack 6, device case 7 has all been welded to one side that two fixed column 1 surfaces carried on the back mutually, the inside of two device case 7 all has handle 16 through bearing fixed mounting, the equal fixed mounting in positive surface of two handle 16 has gear 8, two fixed column 1's back fixed surface installs brace table 9, the center department fixed mounting at brace table 9 surface top has backing plate 10, the both sides fixed mounting of backing plate 10 top center department has two risers 12, dead lever movable mounting has electric telescopic handle 11 all to one side that two risers 12 are relative, the equal fixed mounting in one side that two movable column 2 tops are relative has connection bearing 3, the inside of two connection bearing 3 all inlays and is equipped with movable rod 5, the surface cover of movable rod 5 is equipped with electronic whiteboard 4 electric telescopic handle The output end of the source is electrically connected, and two support rods are fixedly mounted at the bottom of the support table 9 close to the rear surface.

In this embodiment: when using, rotatory two handles 16, drive two gears 8 through two bearings, two gears 8 mesh with the tooth on the rack 6, thereby drive two movable post 2 upward movements, make two connect bearing 3 drive movable rod 5 and two whiteboard 4 upward movements, after adjusting a position, when needing angle adjustment, open the power, the bottom that drives whiteboard 4 through electric telescopic handle 11 rotates, when the device is used, motor 14 drives blade 15 and rotates, thereby dispel the heat for the device, through the louvre of heat dissipation case 13 rear surface, fine prevented that the mosquito from getting into inside, thereby cause certain damage to the device.

Specifically, fixedly connected with heat dissipation case 13 is located at the center of fixed column 1 rear surface, and a plurality of louvres have been seted up to the rear surface of heat dissipation case 13, and the rectangle recess has been seted up to the inside of heat dissipation case 13, and the inside fixed mounting of rectangle recess has motor 14, and motor 14's output shaft fixedly connected with blade 15.

In this embodiment: when the device is used, the motor 14 drives the blades 15 to rotate, so that heat is dissipated for the device, and mosquitoes are well prevented from entering the interior of the device through the heat dissipation holes in the rear surface of the heat dissipation box 13, so that certain damage is caused to the device.

Specifically, two movable columns 2 are close to the top of two device boxes 7 and are all seted up with two rack 6 assorted recesses, and the through-hole has all been seted up to one side that two device boxes 7 are relative, and two gears 8 are connected with two rack 6 meshes.

In this embodiment: the two handles 16 are rotated to drive the two gears 8 through the two bearings, and the two gears 8 are meshed with teeth on the rack 6, so that the two movable columns 2 are driven to move upwards.

Specifically, the top of electric telescopic handle 11 passes through auxiliary block swing joint in the bottom of whiteboard 4 rear surface, whiteboard 4's top seted up with connection bearing 3 assorted through-hole.

In this embodiment: the two movable columns 2 move upwards, so that the two connecting bearings 3 drive the movable rod 5 and the two electronic whiteboards 4 to move upwards, and when the movable rods and the electronic whiteboards are adjusted to a certain position.

Specifically, the insides of the two device boxes 7 are communicated with the insides of the two fixing columns 1, and through holes matched with the two bearings are formed in the centers of the rear surfaces of the two device boxes 7.

In this embodiment: turning the two handles 16, the two gears 8 are driven by the two bearings, and the two gears 8 are engaged with the teeth on the rack 6, so as to drive the two movable columns 2 to move upwards, so that the two connecting bearings 3 drive the movable rod 5 and the two electronic whiteboards 4 to move upwards.

During the use, when using, rotatory two handles 16, drive two gears 8 through two bearings, two gears 8 mesh with the tooth on the rack 6, thereby drive two movable post 2 upward movements, make two connect bearing 3 drive movable rod 5 and two whiteboard 4 upward movements, after adjusting a position, when needing angle adjustment, turn on the power, it is rotatory to drive the bottom of whiteboard 4 through electric telescopic handle 11, when the device is used, motor 14 drives blade 15 and rotates, thereby dispel the heat for the device, through the louvre of radiating box 13 rear surface, fine prevention mosquito gets into inside, thereby cause certain damage to the device.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. Electronic whiteboard is multi-media, including two fixed columns (1), its characterized in that: the top of the two fixed columns (1) is slidably embedded with movable columns (2), one side of each of the two movable columns (2) opposite to each other is respectively spliced with a rack (6), one side of each of the two fixed columns (1) opposite to each other is welded with a device box (7), the insides of the two device boxes (7) are respectively and fixedly provided with a handle (16) through a bearing, the front surfaces of the two handles (16) are respectively and fixedly provided with a gear (8), the rear surfaces of the two fixed columns (1) are respectively and fixedly provided with a supporting platform (9), the center of the top of the outer surface of the supporting platform (9) is fixedly provided with a base plate (10), two sides of the center of the top of the base plate (10) are respectively and fixedly provided with two vertical plates (12), one side of each of the two vertical plates (12) opposite to each other is respectively and fixedly provided with an electric telescopic rod (11), and one, two movable rod (5) are all inlayed in the inside of connecting bearing (3), the surface cover of movable rod (5) is equipped with whiteboard (4).

2. The electronic whiteboard multimedia as defined in claim 1, wherein: the heat dissipation device is characterized in that a heat dissipation box (13) is fixedly connected to the center of the rear surface of the fixing column (1), a plurality of heat dissipation holes are formed in the rear surface of the heat dissipation box (13), a rectangular groove is formed in the heat dissipation box (13), a motor (14) is fixedly mounted in the rectangular groove, and a blade (15) is fixedly connected to an output shaft of the motor (14).

3. The electronic whiteboard multimedia as defined in claim 1, wherein: two the top that activity post (2) are close to two device casees (7) all seted up with two rack (6) assorted recesses, two the through-hole has all been seted up to one side that device case (7) are relative, two gear (8) are connected with two rack (6) meshing.

4. The electronic whiteboard multimedia as defined in claim 1, wherein: the top of electric telescopic handle (11) passes through auxiliary block swing joint in the bottom of whiteboard (4) rear surface, whiteboard (4) top seted up with connection bearing (3) assorted through-hole.

5. The electronic whiteboard multimedia as defined in claim 1, wherein: the electric telescopic rod (11) is electrically connected with the input end of the motor (14) and the output end of the external power supply, and two supporting rods are fixedly mounted at the bottom of the supporting table (9) close to the rear surface.

6. The electronic whiteboard multimedia as defined in claim 1, wherein: the insides of the two device boxes (7) are communicated with the insides of the two fixing columns (1), and through holes matched with the two bearings are formed in the centers of the rear surfaces of the two device boxes (7).