CN218119190U

CN218119190U - Wall-mounted lifting type electronic video teaching board

Info

Publication number: CN218119190U
Application number: CN202222135280.XU
Authority: CN
Inventors: 郭智清; 林玉丰
Original assignee: Zhangzhou Qingchuang Education Technology Co ltd
Current assignee: Zhangzhou Qingchuang Education Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-23
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a hanging over-and-under type electron video teaching board relates to video teaching technical field, including the backup pad, four corners of backup pad bottom are all fixed and are equipped with the support column, and the bottom of four support columns is all fixed and is equipped with the pulley, and the both sides on backup pad top are all fixed and are equipped with the spliced pole, and the top of two spliced poles is all fixed and is equipped with the slide bar, and the middle part of two slide bars is equipped with lifting unit, and the top of two slide bars is all fixed and is equipped with the stopper, and two spliced pole middle parts are fixed and are equipped with the connecting plate, and the mounting groove has been seted up at the middle part of connecting plate, the beneficial effects of the utility model are that: the rotating mechanism in the lifting assembly is designed to adjust the watching angle of the electronic display screen main body conveniently, the pulley is convenient to move the electronic video teaching board, the application range is wider, and a cleaning assembly convenient user cleans dust and foreign matters on the surface of the electronic display screen main body, so that the cleaning efficiency is improved.

Description

Wall-mounted lifting type electronic video teaching board

Technical Field

The utility model relates to an electron video teaching board, in particular to hanging over-and-under type electron video teaching board belongs to video teaching technical field.

Background

The teaching board is a board surface which is placed in a classroom or a meeting room and used for teaching and demonstrating, contents are written by chalk or a water-based pen, and the teaching board plays a role in explaining and demonstrating, is a traditional teaching board, is widely popularized and popularized at present, cannot move and adjust in height and cannot adapt to teachers with different heights for teaching, and therefore a wall-mounted lifting type electronic video teaching board is available in the market at present;

wherein "a hanging over-and-under type electron video teaching board" that application number "CN201920228152.5" disclosed is also mature technology day by day, it "includes electron video teaching board main part, protection casing and elevating system, the connecting plate passes through bolt and mounting panel to be fixed on the wall body, the internally mounted elevating system of protection casing, elevating system is by the mount, elevator motor, the hold-in range, elevator lead screw and lifter plate are constituteed, still install elevator motor on the mount, elevator motor's synchronizing wheel passes through the drive wheel of synchronous belt drive connection elevator lead screw bottom, the lifter plate is cup jointed through the screw on the elevator lead screw, the one end welding anchorage plate that the lifter plate extends to the protection casing, the anchorage plate passes through the screw and is connected with electron video teaching board main part, the equal welding in both ends of lifter plate has the round bar, the one end welding that the round bar kept away from the lifter plate has the sliding sleeve of locating the guide arm. The utility model discloses install the electronic video teaching board on elevating system to realized the regulation of electronic video teaching board height, with the teacher who is applicable to different heights, but the device still has following defect when in actual use.

1. In actual use, the electronic video teaching board cannot be moved according to the requirements of users, the electronic video teaching board main body cannot be adjusted in left and right angles, the use range is limited, and inconvenience is caused in actual use.

2. This electron video teaching board does not design cleaning device in-service use, and the easy ash collection in long-time use to cause the too hot card of equipment to pause and influence the viewing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hanging over-and-under type electron video teaching board to this electron video teaching board that provides in solving above-mentioned background can not remove according to user's demand, and the adjustment of angle about electron video teaching board main part can not be carried out, the limited problem of application range.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hanging over-and-under type electron video teaching board, includes the backup pad, four corners of backup pad bottom are all fixed and are equipped with the support column, four the bottom of support column is all fixed and is equipped with the pulley, the both sides on backup pad top are all fixed and are equipped with the spliced pole, two the top of spliced pole is all fixed and is equipped with the slide bar, two the middle part of slide bar is equipped with lifting unit, two the top of slide bar is all fixed and is equipped with the stopper, two the fixed connecting plate that is equipped with in spliced pole middle part, the mounting groove has been seted up at the middle part of connecting plate, one side of lifting unit is equipped with the electronic display screen main part.

Preferably, lifting unit includes first mounting panel, electric cylinder, fixed column, two slide pipes, bracing piece, metal block and slewing mechanism, the fixed middle part that sets up on backup pad top of first mounting panel, the top fixedly connected with electric cylinder of first mounting panel, electric cylinder's middle part and mounting groove fixed connection, electric cylinder's flexible end fixedly connected with fixed column, two the slide pipe slides respectively and sets up on the surface of two slide bars, two fixedly connected with bracing piece between the slide pipe, the middle part fixedly connected with metal block of bracing piece, the bottom of metal block and the top fixed connection of fixed column, one side of metal block is equipped with slewing mechanism.

Preferably, the rotating mechanism comprises a metal plate, a hinged support, a connecting screw rod, a locking nut, a supporting block and a second mounting plate, the metal plate is fixedly arranged on one side of the metal block, the hinged support is fixedly arranged on the surface of the metal plate, the supporting block is rotatably connected inside the hinged support through the connecting screw rod, the second mounting plate is fixedly connected to one end of the supporting block, four corners of the surface of the second mounting plate are fixedly connected to the back of the electronic display screen main body through screws, and the locking nut is connected to the top end of the connecting screw rod in a threaded manner.

Preferably, the bottom end of the electronic display screen main body is provided with a cleaning assembly.

Preferably, the clearance subassembly includes two slide rails, two sliders, two fixed plates, roller, clearance post and places the board, two the slide rail is fixed the both sides that set up in the electronic display main part respectively, two the equal sliding connection in inside of slide rail has the slider, two the equal fixedly connected with fixed plate in one end of slider, two the corresponding one side of fixed plate is rotated and is connected with the roller, the middle part fixedly connected with clearance post of roller, two the board is placed to the top fixedly connected with of slide rail.

Preferably, a handle is fixedly connected to the surface of one of the fixing plates.

Preferably, one side fixedly connected with flush mounting plate of connection plate surface, flush mounting plate's surface is equipped with the electric cylinder switch, the electric cylinder passes through electric cylinder switch and power electric connection.

Compared with the prior art, the utility model provides a pair of hanging over-and-under type electron video teaching board has following beneficial effect:

1. the viewing angle of the electronic display screen main body can be adjusted more conveniently by designing the rotating mechanism in the lifting assembly, the electronic video teaching board can be moved more conveniently by designing the pulley, and the application range is wider;

2. through the design, the cleaning assembly is convenient for a user to clean dust and foreign matters on the surface of the electronic display screen main body, and the cleaning efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the back structure of the present invention;

fig. 3 is a schematic structural view of the lifting assembly of the present invention;

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

fig. 5 is an enlarged schematic structural view of the cleaning assembly of the present invention.

In the figure: 1. a support plate; 2. a support column; 3. a pulley; 4. connecting columns; 5. a slide bar; 6. a lifting assembly; 7. a limiting block; 8. a connecting plate; 9. mounting grooves; 10. an electronic display screen main body; 11. cleaning the assembly; 12. a handle; 13. a switch panel; 61. a first mounting plate; 62. an electric cylinder; 63. fixing the column; 64. a slide pipe; 65. a support bar; 66. a metal block; 67. a rotating mechanism; 111. a slide rail; 112. a slider; 113. a fixing plate; 114. a roll shaft; 115. cleaning the column; 116. placing the plate; 671. a metal plate; 672. hinging seat; 673. connecting a screw rod; 674. locking the nut; 675. a supporting block; 676. a second mounting plate.

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.

Example 1:

please refer to fig. 1-5, the utility model provides a wall hanging lifting type electronic video teaching board, which comprises a support plate 1, wherein four corners of the bottom end of the support plate 1 are all fixedly provided with support columns 2, the bottom ends of the four support columns 2 are all fixedly provided with pulleys 3, two sides of the top end of the support plate 1 are all fixedly provided with connecting columns 4, the top ends of the two connecting columns 4 are all fixedly provided with slide bars 5, the middle parts of the two slide bars 5 are provided with lifting components 6, the top ends of the two slide bars 5 are all fixedly provided with limit blocks 7, the middle parts of the two connecting columns 4 are fixedly provided with connecting plates 8, the middle parts of the connecting plates 8 are provided with mounting grooves 9, and one side of the lifting components 6 is provided with an electronic display screen main body 10;

the bottom end of the electronic display screen main body 10 is provided with a cleaning component 11;

a handle 12 is fixedly connected to the surface of one fixing plate 113;

one side of the surface of the connecting plate 8 is fixedly connected with a switch panel 13, and the surface of the switch panel 13 is provided with an electric cylinder switch;

the lifting assembly 6 comprises a first mounting plate 61, an electric cylinder 62, a fixed column 63, two sliding pipes 64, a supporting rod 65, a metal block 66 and a rotating mechanism 67, the first mounting plate 61 is fixedly arranged in the middle of the top end of the supporting plate 1, the top end of the first mounting plate 61 is fixedly connected with the electric cylinder 62, the middle of the electric cylinder 62 is fixedly connected with the mounting groove 9, the telescopic end of the electric cylinder 62 is fixedly connected with the fixed column 63, the two sliding pipes 64 are respectively arranged on the surfaces of the two sliding rods 5 in a sliding manner, the supporting rod 65 is fixedly connected between the two sliding pipes 64, the middle of the supporting rod 65 is fixedly connected with the metal block 66, the bottom end of the metal block 66 is fixedly connected with the top end of the fixed column 63, and one side of the metal block 66 is provided with the rotating mechanism 67;

the electric cylinder 62 is electrically connected with a power supply through an electric cylinder switch;

specifically, as shown in fig. 1, fig. 2 and fig. 3, firstly, the electronic video teaching board is moved to a suitable position by the pulley 3 at the bottom end of the supporting board 1, when the electronic display screen main body 10 needs to be lifted, then the electric cylinder switch on the surface of the switch panel 13 is turned on, the telescopic end of the electric cylinder 62 drives the metal block 66 to move synchronously by the fixing column 63, the metal block 66 slides on the surface of the sliding rod 5 by the mutual matching of the two sliding pipes 64 and the supporting rod 65, so that the metal block 66 drives the electronic display screen main body 10 to move up and down by the rotating mechanism 67, and when the dust on the surface of the electronic display screen main body 10 needs to be cleaned, a user can drive the cleaning assembly 11 to clean the dust on the surface of the electronic display screen main body 10 by the handle 12.

Example 2:

the rotating mechanism 67 comprises a metal plate 671, a hinged support 672, a connecting screw 673, a locking nut 674, a supporting block 675 and a second mounting plate 676, the metal plate 671 is fixedly arranged on one side of the metal block 66, the hinged support 672 is fixedly arranged on the surface of the metal plate 671, the supporting block 675 is rotatably connected inside the hinged support 672 through the connecting screw 673, one end of the supporting block 675 is fixedly connected with the second mounting plate 676, four corners on the surface of the second mounting plate 676 are fixedly connected with the back of the electronic display screen main body 10 through screws, and the top end of the connecting screw 673 is in threaded connection with the locking nut 674;

specifically, as shown in fig. 1, 2 and 4, when the left and right angles of the electronic display screen main body 10 need to be adjusted, the locking nut 674 can be loosened, so that the electronic display screen main body 10 can be rotated left and right to a proper position through the mutual cooperation of the hinge base 672, the supporting block 675 and the connecting screw 673, and then the locking nut 674 is tightened and fixed.

Example 3:

the cleaning assembly 11 comprises two sliding rails 111, two sliding blocks 112, two fixing plates 113, a roller shaft 114, a cleaning column 115 and a placing plate 116, the two sliding rails 111 are respectively and fixedly arranged at two sides of the electronic display screen main body 10, the sliding blocks 112 are respectively and slidably connected inside the two sliding rails 111, one ends of the two sliding blocks 112 are respectively and fixedly connected with the fixing plates 113, one corresponding sides of the two fixing plates 113 are rotatably connected with the roller shaft 114, the cleaning column 115 is fixedly connected to the middle of the roller shaft 114, and the placing plate 116 is fixedly connected to the top ends of the two sliding rails 111;

specifically, as shown in fig. 1, fig. 2 and fig. 5, the handle 12 drives the fixing plate 113 to perform synchronous motion, the fixing plate 113 slides inside the sliding rail 111 through the sliding block 112, so that the fixing plate 113 drives the roller shaft 114 and the cleaning column 115 to perform vertical motion, and then the cleaning column 115 contacts with the surface of the electronic display screen main body 10, so as to clean dust and foreign matters on the surface of the electronic display screen main body 10.

The working principle is as follows: when specifically using, the utility model relates to a hanging over-and-under type electron video teaching board, at first the pulley 3 through backup pad 1 bottom removes suitable position with the electron video teaching board, when needs are gone on stretching to electronic display screen main part 10, open the electronic cylinder switch on flush mounting plate 13 surface after that, the flexible end of electronic cylinder 62 drives metal block 66 through fixed column 63 and carries out synchronous motion, metal block 66 slides on the surface of slide bar 5 through mutually supporting of two slide pipes 64 and bracing piece 65 has stable effect, thereby metal block 66 drives electronic display screen main part 10 through slewing mechanism 67 and carries out the up-and-down motion, when needs adjust the angle about electronic display screen main part 10, accessible is unscrewed lock nut 674 after that, thereby electronic display screen main part 10 passes through the free bearing 672, support block 675 and connection screw 673's mutually supporting and is rotated to suitable position about mutually, then screw up fixedly through lock nut 674, when the dust that needs contacted electronic display screen main part 10 surface clears up the clearance, the user drives fixed plate 113 through handle 12 and carries out synchronous motion, the slider is through the inside clearance of slide rail 112 and the clearance post surface and the electronic display screen main part 10 and the foreign matter that slides and carry out the clearance 114 more the clearance.

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. The utility model provides a hanging over-and-under type electron video teaching board, includes backup pad (1), its characterized in that, four corners of backup pad (1) bottom are all fixed and are equipped with support column (2), four the bottom of support column (2) is all fixed and is equipped with pulley (3), the both sides on backup pad (1) top are all fixed and are equipped with spliced pole (4), two the top of spliced pole (4) is all fixed and is equipped with slide bar (5), two the middle part of slide bar (5) is equipped with lifting unit (6), two the top of slide bar (5) is all fixed and is equipped with stopper (7), two spliced pole (4) middle part is fixed and is equipped with connecting plate (8), mounting groove (9) have been seted up at the middle part of connecting plate (8), one side of lifting unit (6) is equipped with electronic display screen main part (10).

2. The wall-mounted elevating electronic video teaching board according to claim 1, wherein: lifting unit (6) include first mounting panel (61), electric cylinder (62), fixed column (63), two slide pipes (64), bracing piece (65), metal block (66) and slewing mechanism (67), fixed the setting in the middle part on backup pad (1) top of first mounting panel (61), the top fixedly connected with electric cylinder (62) of first mounting panel (61), the middle part and mounting groove (9) fixed connection of electric cylinder (62), the flexible fixedly connected with fixed column (63) of electric cylinder (62), two slide pipe (64) slide respectively and set up the surface at two slide bars (5), two fixedly connected with bracing piece (65) between slide pipe (64), the middle part fixedly connected with metal block (66) of bracing piece (65), the bottom of metal block (66) and the top fixed connection of fixed column (63), one side of metal block (66) is equipped with slewing mechanism (67).

3. The wall-mounted elevating electronic video teaching board according to claim 2, wherein: the rotating mechanism (67) comprises a metal plate (671), a hinged support (672), a connecting screw rod (673), a locking nut (674), a supporting block (675) and a second mounting plate (676), the metal plate (671) is fixedly arranged on one side of the metal block (66), the hinged support (672) is fixedly arranged on the surface of the metal plate (671), the supporting block (675) is rotatably connected to the inside of the hinged support (672) through the connecting screw rod (673), the second mounting plate (676) is fixedly connected to one end of the supporting block (675), four corners of the surface of the second mounting plate (676) are fixedly connected to the back of the electronic display screen main body (10) through screws, and the locking nut (674) is connected to the top end of the connecting screw rod (673) in a threaded mode.

4. The wall-mounted elevating electronic video teaching board as claimed in claim 1, wherein: the bottom of the electronic display screen main body (10) is provided with a cleaning assembly (11).

5. The wall-mounted elevating electronic video teaching board according to claim 4, wherein: the cleaning assembly (11) comprises two sliding rails (111), two sliding blocks (112), two fixing plates (113), a roller shaft (114), cleaning columns (115) and a placing plate (116), wherein the sliding rails (111) are respectively and fixedly arranged on two sides of the electronic display screen main body (10), the sliding blocks (112) and the sliding blocks (112) are arranged inside the sliding rails (111) in a sliding mode, the fixing plates (113) and the fixing plates (113) are fixedly connected to one ends of the sliding blocks (112), the fixing plates (113) are connected to one corresponding side in a rotating mode, the roller shaft (114) is connected to the middle of the roller shaft (114), the cleaning columns (115) are fixedly connected to the middle of the sliding rails (111), and the placing plate (116) is fixedly connected to the top ends of the sliding rails (111).

6. The wall-mounted elevating electronic video teaching board according to claim 5, wherein: a handle (12) is fixedly connected to the surface of one of the fixing plates (113).

7. The wall-mounted elevating electronic video teaching board according to claim 2, wherein: one side fixedly connected with flush mounting plate of switch (13) on connecting plate (8) surface, the surface of flush mounting plate of switch (13) is equipped with the electric cylinder switch, electric cylinder (62) are through electric cylinder switch and power electric connection.