CN214775036U

CN214775036U - Expansion wisdom blackboard

Info

Publication number: CN214775036U
Application number: CN202120314787.4U
Authority: CN
Inventors: 周雪松; 柯寅
Original assignee: Jiangsu Oudi Electronic Technology Co ltd
Current assignee: Jiangsu Oudi Electronic Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-19
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an expansion wisdom blackboard belongs to wisdom blackboard technical field. The utility model discloses an expansion wisdom blackboard, contain display panel and clipboard, the display panel side is connected with the clipboard, still include the expansion board that sets up in the first frame on the clipboard and the pull rod that is connected with the expansion board, the expansion board periphery is provided with the second frame, first frame is connected with the spout through the slider with the second frame, the expansion board can pass the hole of dodging on the first frame and carry out linear motion, the spout has two sections, one section is for being on a parallel with the straightway of writing the region, another section is for being close to gradually and writes the planar bending section of region place, be provided with the mounting hole on the second frame, be provided with the fixed orifices on the first frame, the pull rod cooperates with the fixed orifices after passing the mounting hole. The expansion board passes through the chute bending section after extending out and can be positioned on the same plane with the writing board, so that the splicing of the expansion board and the writing board is completed, and the expansion of the writing area is realized.

Description

Expansion wisdom blackboard

Technical Field

The utility model relates to a wisdom blackboard technical field, more specifically say, relate to an expansion wisdom blackboard.

Background

With the increasing popularization of electronic intelligent products, the education equipment industry is undergoing technical innovation. The education industry needs new education modes and experience of education equipment, and education and development can be better propagated only when the education equipment walks at the front of education. At present, multimedia display equipment in the education industry generally takes an electronic whiteboard, a touch all-in-one machine and a smart classroom interactive blackboard as main parts. The wisdom blackboard wherein includes the three-piece blackboard, and the demonstration blackboard in the middle is mostly the large-size touch display device, writes the blackboard and generally sets up in middle demonstration blackboard side, writes the blackboard and can set up the monoblock or set up two along showing blackboard central line symmetric distribution. Generally, the writing area of the writing blackboard is fixed, and if a teacher needs to write on a blackboard with more characters, the teacher can only erase the previous characters for rewriting the characters which are not written, which is not beneficial to making a complete blackboard writing.

Through retrieval, the prior art discloses a transversely-moving push-pull blackboard (application number: 201520485103.1, application date: 2015, 7 and 2), which comprises a frame, a fixed plate and a movable plate, wherein the fixed plate is fixed in the frame, a slide rail for sliding the movable plate is arranged in the frame, the movable plate is arranged in front of the fixed plate, a first limit block is arranged on the surface of the fixed plate facing the movable plate, the first limit block is arranged on one side of the fixed plate far away from the frame, and a second limit block matched with the first limit block is arranged on the movable plate; the middle point of the slide rail is provided with a limiting part.

The blackboard that can sideslip push-and-pull that this application provided has carried on spacingly to the movable plate, has better practicality in practical application. However, the writing area of the writing board on the blackboard is limited, and writing on the blackboard with more characters cannot be finished.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome among the prior art wisdom blackboard clipboard can write the not enough of area, provide an expansion wisdom blackboard, set up the expansion board that both can receive and release and can stretch out in the clipboard, and the expansion board that stretches out can be in the coplanar with the clipboard to the writing area of wisdom blackboard has been increased.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model provides an expansion wisdom blackboard contains display panel and clipboard, the clipboard include first frame and set up the writing region in first frame, the display panel side is connected with the clipboard, still includes and sets up expansion board in the first frame and the pull rod that is connected with the expansion board, expansion board periphery be provided with the second frame, first frame be connected with the spout through the slider with the second frame, the spout have two sections, one section is for being on a parallel with the straightway of writing the region, another section is for being close to gradually and writes the planar bending section in region place, the expansion board can pass and dodge the hole on the first frame and remove, is provided with the mounting hole on the second frame, is provided with the fixed orifices on the first frame, the pull rod pass behind the mounting hole and cooperate with the fixed orifices.

As a further improvement, the sliding groove is arranged on the upper end and the lower end of the first frame in pairs, and the sliding block is arranged on the upper end and the lower end of the second frame in pairs.

As a further improvement, the pull rod is arranged in the horizontal direction, the mounting hole is arranged on the side of the second frame, and the fixing hole is arranged on the side of the first frame.

As a further improvement of the utility model, the periphery of the fixing hole is provided with a guide hole.

As a further improvement, two sides of the second frame are fixedly connected with a pull rod sleeve, and the pull rod is installed in the pull rod sleeve.

As a further improvement of the utility model, the pull rod is provided with a push block at the end far away from the fixing hole.

As a further improvement of the utility model, the pull rod is set to be two parallel to each other.

As a further improvement of the utility model, the push block is arranged in the mounting hole and is provided with a handle groove.

As a further improvement of the utility model, the slide block is a runner and rolls in the chute.

As a further improvement, the writing boards are two and are respectively connected with two sides of the display board, and the first frames of the two writing boards are internally provided with the expansion board.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses an expansion wisdom blackboard, contain display panel and clipboard, the display panel side is connected with the clipboard, still include the expansion board and the pull rod that is connected with the expansion board, the second frame of expansion board periphery is connected with the spout through the slider with the first frame of clipboard periphery, the spout has two sections, one section is for being on a parallel with the straightway of writing the region, another section is close to the plane of writing the region place gradually, the expansion board can pass on the first frame and dodge the hole and remove, stretch out behind the clipboard promptly, the expansion board stretches out the back through spout bending, can be in on the coplanar with the clipboard, and then accomplish the concatenation of expansion board and clipboard, thereby realize the expansion to writing the area.

(2) The utility model discloses an expansion wisdom blackboard is provided with the mounting hole on the second frame, is provided with the fixed orifices on the first frame, and the pull rod plays the fixed action to the expansion board after stretching with the fixed orifices looks cooperatees after passing the mounting hole. One end of the pull rod is provided with the push block, the deformation of the mounting hole has the function of a hidden handle, the handle groove formed in the push block is matched, an operator can stretch the expansion plate conveniently by stretching the hidden handle in the mounting hole and holding the handle groove, and the expansion plate is reasonable in structural design, simple in principle and convenient to popularize and use.

Drawings

FIG. 1 is a perspective view of an expanded intelligent blackboard;

FIG. 2 is a rear view of the expandable intelligent blackboard;

FIG. 3 is a schematic view of the installation of the expansion board and the writing board;

FIG. 4 is a schematic view of the spreader plate being stretched;

FIG. 5 is a side view of the tablet;

FIG. 6 is a front view of the fixing hole

FIG. 7 is a perspective view of the writing board;

FIG. 8 is a schematic rear view of the deployable panel;

FIG. 9 is a schematic side view of a spreader plate;

fig. 10 is a front view of the drawbar.

The reference numerals in the schematic drawings illustrate:

100. a display panel; 200. a writing board; 210. a first frame; 220. a chute; 230. a fixing hole; 240. a guide hole; 250. avoiding holes; 251. an avoidance groove; 260. a writing area; 300. an expansion plate; 310. a second frame; 320. a slider; 330. a pull rod sleeve; 340. mounting holes; 400. a pull rod; 410. a push block; 411. a handle slot.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, proportion relation change or size adjustment should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

Example 1

With reference to fig. 1 to 7, the expanded intelligent blackboard of the present embodiment includes a display panel 100 and a writing board 200, the display panel 100 is installed with a display screen for multimedia playing of the intelligent blackboard, so that a teacher can play more learning materials to students through the display screen while using a blackboard writing. The writing board 200 includes first frame 210 and sets up the regional 260 of writing in first frame 210, and writing region 260 is used for the teacher to carry out the blackboard writing on the wisdom blackboard, and the first frame 210 of writing region 260 periphery is used for being connected of writing board 200 and other regions of wisdom blackboard to can also play the reinforcing effect to writing region 260. The display panel 100 is connected with the writing board 200 at the side edge to form the parallel arrangement of the display panel 100 and the writing board 200 in the horizontal direction, which is beneficial to improving the appearance of students and avoiding the fatigue of neck and vision caused by switching the sight line height back and forth.

In the present embodiment, the expansion board 300 is disposed in the first frame 210 of the writing board 200, the second frame 310 is disposed on the outer circumference of the expansion board 300, the writing area for writing is also disposed inside the second frame 310, and the writing area of the expansion board 300 is the same as or similar to the writing area 260 of the writing board 200, and can be used for teachers to write on books. The outer side of the second frame 310 and the inner side of the first frame 210 are connected with the sliding block 320 by the sliding slot 220. The sliding groove 220 may be disposed on the first frame 210 or the second frame 310, and the sliding block 320 is correspondingly disposed according to the position of the sliding groove 220.

In this embodiment, the first frame 210 is provided with a sliding groove 220, the second frame 310 is provided with a sliding block 320, the sliding block 320 is installed in the sliding groove 220 to form a movable connection between the first frame 210 and the second frame 310, in order to prevent the expansion plate 300 from moving, the first frame 210 is provided with an avoiding hole 250 at a position where the expansion plate 300 is prevented from moving, and the expansion plate 300 can move through the avoiding hole 250.

The thickness of the upper and lower ends of the second frame 310 of the expansion plate 300 is greater than that of the rest of the expansion plate 300 due to the need of installing the sliding blocks 320 or reinforcing the expansion plate, and when the expansion plate 300 passes through the avoiding hole 250, the upper and lower ends of the expansion plate need to be larger than the avoiding hole 250 due to the large thickness. As an optimization, in the embodiment, the avoidance grooves 251 are formed at the upper and lower ends of the avoidance hole 250, and the avoidance grooves 251 can meet the requirement that the upper and lower ends of the expansion plate 300 pass through without enlarging the avoidance hole 250 as a whole, thereby ensuring the supporting strength of the first frame 210.

The chute 220 may be installed at an upper end of the first frame 210, or may be installed at a lower end of the first frame 210, so that the exploding plate 300 can move in a horizontal direction. The sliding groove 220 can also be installed at the side of the first frame 210, at this time, the expansion board 300 can move along the vertical direction, and the expansion board 300 can be stored in the first frame 210 when not in use, and the expansion board can be extended out of the first frame 210 when in use, thereby increasing the writing area of the intelligent blackboard.

The sliding chute 220 has two sections, one section is a straight section parallel to the writing area 260 and can be used for the linear motion of the unfolding plate 300 in the horizontal direction; the other section is a bending section gradually close to the plane where the writing area 260 is located, that is, when the second frame 310 integrally penetrates out of the first frame 210, the bending section of the sliding groove 220 guides the direction of the plane where the writing area 260 is located, so that the unfolding plate 300 can be moved from the position at the rear side of the writing plate 200 to the position at the same plane or close to the same plane as the writing plate 200, and then the splicing of the unfolding plate 300 and the writing plate 200 is completed, and the unfolding plate 300 and the writing plate 200 at the same plane are more favorable for the typesetting layout of a teacher during writing on a blackboard, and are more convenient for students to watch.

In order to prevent the exploding plate 300 from sliding back along the guide rail or shaking after being exploded, the present embodiment fixes the exploding plate 300 using the coupling of the pulling rod 400 and the mounting hole 340. Specifically, the mounting hole 340 is disposed on the second frame 310, the pull rod 400 passes through the mounting hole 340 and extends toward the first frame 210, the first frame 210 is disposed with a fixing hole 230, and one end of the pull rod 400 is inserted into the fixing hole 230 to fix the expansion plate 300 after expansion. The mounting holes 340 may be provided at the upper, lower, and side edges of the second bezel 310, and the fixing holes 230 are provided at corresponding positions of the first bezel 210. Preferably, the mounting hole 340 of the present embodiment is disposed at an outer side of the second frame 310 for stretching, the fixing hole 230 is disposed at a corresponding side position of the first frame 210, the pull rod 400 passes through the mounting hole 340 along the horizontal direction and then is matched with the fixing hole 230, and the pull rod 400 disposed along the horizontal direction is more convenient for being matched with the second frame 310.

When the area of the writing board 200 can meet the writing requirement, the expansion board 300 is stored in the first frame 210 of the writing board 200, and at the moment, the expansion board 300 is positioned behind the writing board 200 without influencing the appearance of the whole blackboard; when the writing board 200 has an insufficient area, the unfolding plate 300 may start to move from one end of the sliding slot 220, and extend through the avoiding hole 250 of the first frame 210, and reach the end point of stretching when moving to the other end of the sliding slot 220, the unfolding plate 300 may stretch from the rear of the writing board 200 to a position juxtaposed to the writing board 200 and located on the same plane, and at this time, the pull rod 400 may be inserted into the fixing hole 230 by pushing the pull rod 400, thereby completing the fixing of the unfolding plate 300. After the usage of the exploding plate 300 is completed, the pull rod 400 is pulled out from the fixing hole 230, and the exploding plate 300 is collected behind the writing plate 200 along the sliding slot 220, i.e. returned to the first rim 210.

Example 2

In the intelligent blackboard of this embodiment, the sliding slots 220 are provided in pairs at the upper and lower ends of the first frame 210, and the sliding blocks 320 are provided in pairs at the upper and lower ends of the second frame 310. Compared with the matching of the sliding chute 220 and the sliding block 320 which are arranged on a single side, the sliding chute 220 and the sliding block 320 which are arranged in pair are more beneficial to the stability of the unfolding plate 300 during sliding, and the shaking caused by the fact that the single side of the second frame 310 is not connected is avoided. Meanwhile, the lateral extrusion possibly generated between the single-side sliding groove 220 and the sliding block 320 is reduced, and the service life of the connecting part is prolonged.

The slider 320 in this embodiment may be a non-rotating cylindrical slider, in which case the slider 320 generates sliding friction when moving in the sliding slot 220. As an optimized scheme, the sliding block 320 in this embodiment may be configured as a rotating wheel, and the rotating wheel may roll in the sliding slot 220 in a rotating manner, and compared with the sliding motion of the cylindrical sliding block and the sliding slot, the sliding block of the rotating wheel type may achieve stretching and retracting of the expansion plate 300 more quickly due to smaller friction, and is less prone to generate noise caused by friction, and the wear on the connecting portion is smaller, so that the service lives of the sliding block 320 and the sliding slot 220 are prolonged.

Since there is a certain deviation when the pull rod 400 is inserted into the fixing hole 230 due to a small swing of the exploding plate 300 during the moving process, in this embodiment, the guiding hole 240 is disposed at the periphery of the fixing hole 230, as shown in fig. 6, the guiding hole may be in a shape such as a square shape, which is beneficial for guiding the pull rod 400 to be inserted into the fixing hole 230.

Example 3

The present embodiment improves upon the pull rod 400 and related components in conjunction with fig. 8-10. A pull rod sleeve 330 is fixedly connected between two side edges of the second frame 310, the pull rod 400 is installed in the pull rod sleeve 330, and the pull rod sleeve 330 has fixing and protecting effects on the pull rod 400, which is more beneficial to improving the accuracy of the pull-push process of the pull rod 400.

The pull rod 400 is provided with a push block 410 at one end far away from the fixing hole 230, so that the contact area of the end of the pull rod 400 and the hand of a user is increased, and the pull rod 400 is more convenient to push and pull. The pulling rod 400 may be provided as a single rod, and in order to increase the fixing effect of the pulling rod 400 to the deployment plate 300 after deployment, the pulling rod 400 in this embodiment is provided as two parallel rods. The two pull rods 400 can be provided with a push block 410 at the end together, and the two pull rods 400 can be pushed synchronously when the push block 410 is used.

The present embodiment may be provided with a handle for stretching the exploding plate 300 on the second rim 310, and the handle may be various forms of handles suitable for hand grasping. The handle in this embodiment is a hidden handle, and the handle is an opening that is formed on the second bezel 310 and can be grasped by hand, and the opening can be formed by extending the mounting hole 340 on the second bezel 310 on the side, that is, a modified form of the mounting hole 340. Because a part of the push block 410 is located in the mounting hole 340 at the side of the second frame 310, and a hidden handle is formed at the side of the mounting hole 340, a handle slot 411 is formed on the push block 410 in the embodiment, which is convenient for fingers to grasp in the handle, and is more convenient for pulling the expansion board 300. The expansion board 300 can be stretched by grasping the handle and then retracted by pushing the second frame 310.

In this embodiment, two writing boards 200 may be provided and respectively connected to two sides of the display panel 100, one expansion board 300 may be provided for the two writing boards 200, and the expansion boards 300 may be installed in the first frames 210 of the two writing boards 200 according to requirements. The sliding slots 220 and the sliding blocks 320 for mounting the two unfolding plates 300 and the writing board 200 can be completely the same, or can have a certain variation, for example, one unfolding plate 300 is provided with the sliding block 320 at the upper end of the second frame 310, and the other unfolding plate 300 is provided with the sliding block 320 at the lower end of the second frame 310.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an expansion wisdom blackboard, contains display panel (100) and clipboard (200), clipboard (200) include first frame (210) and set up writing region (260) in first frame (210), display panel (100) side is connected with clipboard (200), its characterized in that: still include the setting and be in expansion plate (300) in first frame (210) and pull rod (400) that are connected with expansion plate (300), expansion plate (300) periphery be provided with second frame (310), first frame (210) be connected with spout (220) through slider (320) with second frame (310), spout (220) have two sections, one section is the straightway that is on a parallel with writing region (260), the other section is for being close to the planar bending section of writing region (260) place gradually, expansion plate (300) can pass and dodge hole (250) on first frame (210) and remove, is provided with mounting hole (340) on second frame (310), is provided with fixed orifices (230) on first frame (210), pull rod (400) cooperate with fixed orifices (230) after passing mounting hole (340).

2. The expanding intelligent blackboard of claim 1, wherein: the sliding grooves (220) are arranged at the upper end and the lower end of the first frame (210) in pairs, and the sliding blocks (320) are arranged at the upper end and the lower end of the second frame (310) in pairs.

3. The expanding intelligent blackboard of claim 1, wherein: the pull rod (400) is arranged in the horizontal direction, the mounting hole (340) is arranged on the side edge of the second frame (310), and the fixing hole (230) is arranged on the side edge of the first frame (210).

4. The expanding intelligent blackboard of claim 3, wherein: the periphery of the fixing hole (230) is provided with a guide hole (240).

5. The expanding intelligent blackboard of claim 3, wherein: a pull rod sleeve (330) is fixedly connected between two side edges of the second frame (310), and the pull rod (400) is installed in the pull rod sleeve (330).

6. The expanding intelligent blackboard of claim 3, wherein: the pull rod (400) is provided with a push block (410) at one end far away from the fixing hole (230).

7. The expanding intelligent blackboard of claim 6, wherein: the pull rods (400) are arranged into two parallel strips.

8. The expanding intelligent blackboard of claim 7, wherein: the push block (410) is arranged in the mounting hole (340), and a handle groove (411) is arranged on the push block (410).

9. An expanded intelligent blackboard according to any one of claims 1 to 8, wherein: the sliding block (320) is a rotating wheel, and the sliding block (320) rolls in the sliding groove (220).

10. The expanding intelligent blackboard of claim 9, wherein: the two writing boards (200) are respectively connected with two side edges of the display board (100), and the first frames (210) of the two writing boards (200) are internally provided with the expansion boards (300).