CN211578071U

CN211578071U - Foldable display device for information technology classroom

Info

Publication number: CN211578071U
Application number: CN202020568714.3U
Authority: CN
Inventors: 雒真
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-09-25
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to a teaching equipment technical field. The utility model discloses a collapsible display device in information technology classroom, including the frame, fixed mounting has the screen in the frame, frame department is provided with the rack, be provided with the axle between upper shaft sleeve and the lower axle sleeve, axle and tablet fixed connection, be provided with first bearing on the bottom plate, fixed mounting has the second pivot on the first bearing, fixed mounting has the worm wheel in the second pivot, second pivot top fixed mounting has second bevel gear, second bevel gear department is provided with first bevel gear, first bevel gear is fixed in first pivot, the bottom plate bottom is provided with locking-type universal wheel. The utility model provides a collapsible display device in information technology classroom passes through structural design, makes the device the screen can contract to the device when removing the transportation inside, can effectively protect the screen not destroyed when removing and transporting, effectively reduces area simultaneously, and the collapsible volume that makes the device of tablet can reduce, and is more convenient when removing and transporting.

Description

Foldable display device for information technology classroom

Technical Field

The utility model relates to a teaching equipment technical field more specifically relates to a collapsible display device in information technology classroom.

Background

In the process of information technology teaching, the multimedia device is often required to be used for displaying, the existing display device is inconvenient to move and transport, and a teacher is inconvenient to use, so that the foldable display device for the information technology class is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a collapsible display device in information technology classroom of application aims at solving the removal that exists among the prior art at least and transports inconvenient technical problem.

In order to achieve the above object, the technical scheme of an aspect of the utility model provides a collapsible display device in information technology classroom, include: the novel writing board comprises a frame, a desktop and a bottom plate, wherein a screen is fixedly arranged in the frame, the top of the frame is fixedly connected with a top eave, racks are symmetrically arranged on the left side and the right side of the frame, the racks are fixedly arranged on the frame, upper shaft sleeves are symmetrically arranged on the left side and the right side of the upper part of the frame, the upper shaft sleeves are fixedly connected with the frame, lower shaft sleeves are symmetrically arranged on the left side and the right side of the lower part of the frame, the lower shaft sleeves are fixedly connected with the frame, shafts are arranged between the upper shaft sleeves and the lower shaft sleeves, the shafts are fixedly connected with a writing board, the bottom of the frame is fixedly connected with a limiting bottom block, the frame is arranged in a preset limiting frame between the desktop and a back plate, the limiting bottom block is limited by the limiting frame, the bottom of; the bottom plate is provided with a first bearing, a second rotating shaft is fixedly mounted on the first bearing, a worm wheel is fixedly mounted on the second rotating shaft, a second bevel gear is fixedly mounted at the top of the second rotating shaft, a first bevel gear meshed with the second bevel gear is arranged at the position of the second bevel gear, the first bevel gear is fixed on the first rotating shaft, the left side and the right side of the first rotating shaft are respectively mounted on side plates on the left side and the right side, a gear meshed with the rack is fixedly mounted on the first rotating shaft, a worm matched with the worm gear is arranged at the position of the worm wheel, a rocker matching groove is formed in the front end of the worm, the rear end of the worm is mounted on a worm support, the front end of the worm is mounted on the front plate, and a locking.

The utility model discloses the collapsible display device in information technology classroom that above-mentioned technical scheme provided, worm wheel and the worm that set up have utilized the worm can drive the worm wheel and the worm wheel can not drive the principle of worm motion, and the device is when someone control worm rotates, and frame and screen can only realize going up and down, and it can make the screen keep the state of rising to keep the worm motionless after rising the screen like this, has solved the fixed problem of going up and down, falls the screen during removal and transportation, can protect the screen and play the guard action, and can reduce the device focus, reduce the device size; the writing board is arranged to be provided with the shaft, so that the writing board can be folded, and the writing board is folded when moving, so that the occupied area of the device is reduced, and the writing board is easier to move and transport; the arrangement of the universal wheels greatly improves the convenience of movement and transportation.

Additionally, the utility model discloses the collapsible display device in information technology classroom that above-mentioned technical scheme provided still has following technical characteristic:

further optimize this technical scheme, the front bezel left side is provided with the left side protrusion, the front bezel right side is provided with the right side protrusion.

Further optimize this technical scheme, the left side protrusion reaches respectively be provided with a locking piece on the protrusion of right side, the locking piece comprises blend stop, limit structure and blend stop pivot, the blend stop winds the blend stop pivot is rotated, limit structure is right the turned range of blend stop carries on spacingly.

Further optimizing the technical scheme, a stroke groove and a cavity are formed in the upper shaft sleeve, the pawl device is composed of a pressing handle, a cylinder, a pawl and a spring, the spring is arranged in the cavity, the cylinder is arranged in the cavity, the pawl is fixedly installed on the cylinder, the pressing handle moves in the stroke groove, ratchet teeth are fixedly installed on the upper portion of the shaft, and the ratchet teeth are matched with the pawl.

Further optimize this technical scheme, the first sand grip of fixedly connected with on the boss, the fixedly connected with back plate sand grip on the back plate, first sand grip reaches the back plate sand grip with the cooperation of the recess of predetermineeing on the eave.

Further optimize this technical scheme, the worm passes through the rocker and rotates, be provided with crank and fixture block on the rocker, the fixture block with the cooperation groove cooperation, be provided with the drawer on the front bezel, the crank is placed in the drawer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the device, the worm wheel and the worm are arranged by utilizing the principle that the worm can drive the worm wheel and the worm wheel cannot drive the worm to move, and the frame and the screen can be lifted only when the worm is controlled by a person to rotate, so that the screen can be kept in a lifted state by keeping the worm immovable after the screen is lifted, the problem of lifting and fixing is solved, the screen is lowered during moving and transportation, the screen can be protected, the gravity center of the device can be lowered, and the size of the device can be reduced; the writing board is arranged to be provided with the shaft, so that the writing board can be folded, and the writing board is folded when moving, so that the occupied area of the device is reduced, and the writing board is easier to move and transport; the arrangement of the universal wheels greatly improves the convenience of movement and transportation.

The pawl device and the ratchet teeth are designed to keep the writing board immovable when the writing board is unfolded, and the stability of the structure of the device is ensured when the writing board is used.

The setting of boss, first sand grip, back plate sand grip and eave can prevent that the screen can not be prevented by the outside moisture invasion of device when the device is inside, prevents that the screen from being destroyed.

Drawings

Fig. 1 is a schematic structural diagram of an information technology classroom foldable display device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an information technology classroom foldable display device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a foldable display device for information technology class according to an embodiment of the present invention when a screen is folded;

fig. 4 is a schematic side view of an information technology classroom foldable display device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rocker of the foldable display device for information technology class according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of portion A of FIG. 4;

FIG. 7 is an enlarged schematic view of the portion B of FIG. 2;

fig. 8 is an enlarged schematic view of the portion C in fig. 3.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:

1 frame, 2 screens, 3 top eaves, 4 racks, 5 upper sleeves, 501 stroke grooves, 502 cavities, 6 lower sleeves, 7 writing boards, 8 shafts, 801 ratchet teeth, 9 desktops, 10 bosses, 1001 first convex strip, 11 limit bottom blocks, 12 gears, 13 first rotating shafts, 14 first bevel gears, 15 second bevel gears, 16 second rotating shafts, 17 worm wheels, 18 worms, 19 rocker matching grooves, 20 worm supports, 21 left-side protrusion, 22 right-side protrusion, 23 locking blocks, 2301 blocking strips, 2302 limit structures, 2303 blocking strip rotating shafts, 24 bottom plates, 25 first bearings, 26 pawl devices, 2601 pressing handles, 2602 cylinders, 2603 pawls, 2604 springs, 27 first grooves, 28 second grooves, 29 front plates, 30 drawers, 31 rear plates, 3101 rear plate convex strips, 32 rockers, 3201 rocking handles, 3202 clamping blocks and 33 locking universal wheels.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

An information technology classroom collapsible display device according to some embodiments of the present invention is described below with reference to fig. 1-8.

Referring to fig. 1, 2, 3 and 4, according to some embodiments of the present invention, an information technology classroom foldable display device is provided, which includes a frame 1, a desktop 9 and a bottom plate 24, wherein a screen 2 is fixedly installed in the frame 1, the top of the frame 1 is fixedly connected with a top brim 3, racks 4 are symmetrically arranged on the left and right sides of the frame 1, the racks 4 are fixedly installed on the frame 1, upper shaft sleeves 5 are symmetrically arranged on the left and right sides of the upper portion of the frame 1, the upper shaft sleeves 5 are fixedly connected with the frame 1, lower shaft sleeves 6 are symmetrically arranged on the left and right sides of the lower portion of the frame 1, the lower shaft sleeves 6 are fixedly connected with the frame 1, a shaft 8 is arranged between the upper shaft sleeves 5 and the lower shaft sleeves 6, the shaft 8 is fixedly connected with a writing board 7, a limiting bottom block 11 is fixedly connected with the bottom of the frame 1, the frame 1 is arranged in a limiting frame preset, the bottom of the back plate 31 is fixedly connected with the bottom plate 24, and the table top 9 is fixedly provided with a boss 10.

The bottom plate 24 is provided with a first bearing 25, the first bearing 25 is fixedly provided with a second rotating shaft 16, the second rotating shaft 16 is fixedly provided with a worm wheel 17, the top of the second rotating shaft 16 is fixedly provided with a second bevel gear 15, the second bevel gear 15 is provided with a first bevel gear 14 meshed with the second bevel gear, the first bevel gear 14 is fixed on the first rotating shaft 13, the left side and the right side of the first rotating shaft 13 are respectively installed on the side plates at the left side and the right side, the first rotating shaft 13 is fixedly provided with a gear 12 meshed with the rack 4, the worm wheel 17 is provided with a worm 18 matched with the worm wheel, the front end of the worm 18 is provided with a rocker matching groove 19, the rear end of the worm 18 is installed on the worm support 20, the front end of the worm 18 is installed on the front plate 29, the bottom of the bottom plate 24 is provided with a locking type universal wheel.

Referring to fig. 2 and 5, the worm 18 rotates through the rocker 32, the rocker 32 is provided with a crank 3201 and a block 3202, the block 3202 is engaged with the engaging groove 19, the front plate 29 is provided with the drawer 30, and the crank 3201 is placed in the drawer 30.

Referring to fig. 6, the upper bushing 5 is provided with a stroke slot 501 and a cavity 502, the pawl device 26 is composed of a pressing handle 2601, a cylinder 2602, a pawl 2603 and a spring 2604, the spring 2604 is arranged in the cavity 502, the cylinder 2602 is arranged in the cavity 502, the pawl 2603 is fixedly arranged on the cylinder 2602, the pressing handle 2601 moves in the stroke slot 501, the upper part of the shaft 8 is fixedly provided with ratchet teeth 801, and the ratchet teeth 801 are matched with the pawl 2603; the pawl device and the ratchet teeth are designed to keep the writing board immovable when the writing board is unfolded, and the stability of the structure of the device is ensured when the writing board is used.

Referring to fig. 7, a first convex strip 1001 is fixedly connected to the boss 10, a back plate convex strip 3101 is fixedly connected to the back plate 31, and the first convex strip 1001 and the back plate convex strip 3101 are matched with a groove preset on the top eave 3; the setting of boss, first sand grip, back plate sand grip and eave can prevent that the screen can not be prevented by the outside moisture invasion of device when the device is inside, prevents that the screen from being destroyed.

Referring to fig. 2 and 8, a locking block 23 is respectively arranged on the left protrusion 21 and the right protrusion 22, the locking block 23 is composed of a barrier 2301, a limiting structure 2302 and a barrier rotating shaft 2303, the barrier 2301 rotates around the barrier rotating shaft 2303, and the limiting structure 2302 limits the rotating range of the barrier 2301; the writing board can be further limited in position when being folded through the locking block, and the stability of the writing board when being folded is guaranteed.

In a preferred embodiment, the screen is an MI 4a 55-inch display screen.

The using method comprises the following steps: when the device is used, the locking block 23 is pulled open, a finger controls a pressing handle on the pawl device 26, the cylinder 2602 compresses the spring 2604, the pawl 2603 is separated from the ratchet teeth 801, the writing board 7 is opened, then the rocker 32 is inserted into the rocker matching groove 19 on the worm 18, the rocker 32 is shaken, the worm 18 drives the worm wheel 17 to rotate, the second bevel gear 15 rotates along with the first bevel gear 14 to drive the gear 12 on the first rotating shaft 13 to rotate, the gear 12 drives the rack 4, so that the frame 1 and the screen 2 move upwards, when the limiting bottom block 11 is moved to be clamped at the bottom of the desktop 9, the upwards moving stroke is completed, the rocker 32 is pulled out and placed into the drawer 30.

When the writing board is not used, the worm 18 is reversely rotated through the rocker 32, the screen 2 descends to the bottom, the rocker 32 is retracted into the drawer 30, the writing board 7 is folded and reset, and the locking block 23 is pulled back and reset.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting.

Claims

1. A foldable display device for information technology class is characterized by comprising a frame, a desktop and a bottom plate, wherein a screen is fixedly arranged in the frame, the top of the frame is fixedly connected with a top eave, racks are symmetrically arranged on the left side and the right side of the frame, the racks are fixedly arranged on the frame, upper shaft sleeves are symmetrically arranged on the left side and the right side of the upper portion of the frame, the upper shaft sleeves are fixedly connected with the frame, lower shaft sleeves are symmetrically arranged on the left side and the right side of the lower portion of the frame, the lower shaft sleeves are fixedly connected with the frame, a shaft is arranged between the upper shaft sleeves and the lower shaft sleeves, the shaft is fixedly connected with a writing board, a limiting bottom block is fixedly connected with the bottom of the frame, the frame is arranged in a limiting frame preset between the desktop and the back plate, the limiting bottom block is limited by the limiting frame, and the, a boss is fixedly arranged on the desktop;

the bottom plate is provided with a first bearing, a second rotating shaft is fixedly mounted on the first bearing, a worm wheel is fixedly mounted on the second rotating shaft, a second bevel gear is fixedly mounted at the top of the second rotating shaft, a first bevel gear meshed with the second bevel gear is arranged at the position of the second bevel gear, the first bevel gear is fixed on the first rotating shaft, the left side and the right side of the first rotating shaft are respectively mounted on side plates on the left side and the right side, a gear meshed with the rack is fixedly mounted on the first rotating shaft, a worm matched with the worm gear is arranged at the position of the worm wheel, a rocker matching groove is formed in the front end of the worm, the rear end of the worm is mounted on a worm support, the front end of the worm is mounted on the front plate, and a locking.

2. An information technology classroom collapsible display device as claimed in claim 1, wherein: the front bezel left side is provided with the left side protrusion, the front bezel right side is provided with the right side protrusion.

3. An information technology classroom collapsible display device as claimed in claim 2, wherein: the left side protrusion reaches respectively be provided with a locking piece on the protrusion of right side, the locking piece comprises blend stop, limit structure and blend stop pivot, the blend stop winds the blend stop pivot is rotated, limit structure is right the turned range of blend stop carries on spacingly.

4. An information technology classroom collapsible display device as claimed in claim 1, wherein: the ratchet wheel is characterized in that a stroke groove and a cavity are formed in the upper shaft sleeve, the pawl device is composed of a pressing handle, a cylinder, a pawl and a spring, the spring is arranged in the cavity, the cylinder is arranged in the cavity, the pawl is fixedly installed on the cylinder, the pressing handle is fixedly installed on the cylinder and moves in the stroke groove, and ratchet teeth are fixedly installed on the upper portion of the shaft and matched with the pawl.

5. An information technology classroom collapsible display device as claimed in claim 1, wherein: the improved portable ceiling lamp is characterized in that a first convex strip is fixedly connected to the boss, a back plate convex strip is fixedly connected to the back plate, and the first convex strip and the back plate convex strip are matched with a groove preset in the top eave.

6. An information technology classroom collapsible display device as claimed in claim 1, wherein: the worm rotates through a rocker, a crank and a fixture block are arranged on the rocker, the fixture block is matched with the matching groove, a drawer is arranged on the front plate, and the crank is placed in the drawer.