Universal teaching display board

Abstract

The utility model relates to the technical field of teaching display boards, and discloses a universal teaching display board which comprises an electronic teaching board, a rear side board is arranged on the rear side of the electronic teaching board, and a fixing board is embedded in the side wall of the rear side board. According to the utility model, air at a plurality of point positions inside the electronic teaching board is discharged from the air suction piece through the axial flow fan, and external air enters the electronic teaching board at the same time, so that hot air at the plurality of point positions inside the electronic teaching board can be pumped out, and heat generated by electrical elements can be discharged in time when the electronic teaching board is used; the universal teaching display board solves the problem that heat generated by electrical elements of a common universal teaching display board embedded in a wall is inconvenient to dissipate outwards. According to the universal teaching display board, the unlocked electronic teaching board is rotated rightwards and then is matched with the suction cups of the suction pieces for adsorption and fixation, so that electrical elements on the rear side of the electronic teaching board can be conveniently overhauled, the universal teaching display board does not need to be detached from a wall, and the overhauling operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching display boards, in particular to a universal teaching display board. Background Art

[0002] The universal teaching display board is a tool used to display teaching content and attract students' attention in teaching activities. It is usually an electronic teaching board with an electronic screen, and the electronic teaching board is usually embedded in the wall.

[0003] The existing universal teaching display board is usually an electronic teaching board embedded in the wall. The electronic teaching board is usually provided with heat dissipation holes at the bottom, and some electrical components of the electronic teaching board are far away from the heat dissipation holes and the back side of the electronic teaching board is the wall, so the heat generated at multiple points is not easy to dissipate outward, resulting in poor heat dissipation effect of the electronic teaching board; and common electronic teaching boards are usually fixed to the inside of the groove of the wall with bolts, so when the electrical components behind the electronic teaching board need to be inspected and maintained, the electronic teaching board needs to be disassembled, and the steps are relatively cumbersome, making the inspection and maintenance operations inconvenient. For this reason, we propose a universal teaching display board. Utility Model Content

[0004] The utility model aims to provide a universal teaching display board to solve the problems of poor heat dissipation effect and inconvenient repair and maintenance operations proposed in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a universal teaching display board, comprising:

[0006] An electronic teaching board, wherein a rear side plate is arranged at the rear side of the electronic teaching board, a fixing plate is embedded in the side wall of the rear side plate, an air intake head is embedded in the side wall of the fixing plate, a rear side pipe is arranged at the output end of the air intake head, a connecting pipe is arranged at the output end of the rear side pipe, an exhaust member is arranged at the output end of the connecting pipe, a plurality of axial flow fans are arranged inside the exhaust member, and an air intake member is arranged on the left side of the electronic teaching board;

[0007] A fixing block, wherein the fixing block is arranged on the side wall of the electronic teaching board, a rotating part is arranged on the side wall of the fixing block, an embedding groove is arranged on the side wall of the rotating part, a suction part is arranged on the side wall of the embedding groove, a sliding plate is matched with the side wall of the suction part, an ejection plate is arranged inside the suction part, a plurality of suction cups are arranged on the front side of the ejection plate, an electric push rod is arranged on the rear side of the ejection plate, and the electric push rod is electrically connected to a control switch.

[0008] Preferably, the side wall of the air inlet member is provided with a dust screen.

[0009] Preferably, a locking piece is provided on the left side of the electronic teaching board.

[0010] Preferably, a blocking bar matched with the electronic teaching board passes through the side wall of the locking member.

[0011] Preferably, a locking knob is provided on the side wall of the locking member.

[0012] Preferably, the side wall of the rotating member is provided with a rotating groove matched with the fixing block.

[0013] Preferably, a metal mesh is provided at the bottom of the air extraction member.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model turns on the axial flow fan to allow air from multiple points inside the electronic teaching board to pass through the air intake head and then be discharged from the air intake piece through the rear side pipe. At the same time, the external air enters the inside of the electronic teaching board through the air intake piece, thereby extracting the hot air from multiple points inside the electronic teaching board, so that the heat generated by the electrical components of the electronic teaching board can be discharged in time when the electronic teaching board is used, solving the problem that the heat generated by the electrical components of the common universal teaching display board embedded in the wall is inconvenient to dissipate outwards;

[0016] 2. The utility model realizes that after the locking part unlocks the electronic teaching board by pulling the blocking bar, the electronic teaching board can be rotated to the right with the rotating part, and then the sliding plate can be opened and the electric push rod can be extended to expose the suction cup of the push-out plate. The electronic teaching board can be rotated to cooperate with the suction cup for adsorption and fixation, so that the electrical components on the rear side of the electronic teaching board can be easily inspected and repaired without removing the universal teaching display board from the wall, making the inspection operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the rear side plate structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the combined structure of the connecting pipe and the air extraction member of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the suction member of the utility model.

[0021] In the figure: 100, electronic teaching board; 101, rear side plate; 110, air inlet member; 111, dust screen; 120, exhaust member; 121, axial flow fan; 122, connecting pipe; 123, rear side pipe; 124, air inlet head; 130, fixed plate; 200, fixed block; 210, rotating member; 211, rotating groove; 220, embedded groove; 230, suction member; 231, sliding plate; 240, ejection plate; 241, suction cup; 242, electric push rod; 243, control switch; 250, locking member; 251, stop bar. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 4 , a general teaching display board shown in the figure includes:

[0025] A rear side plate 101 is arranged at the rear side of the electronic teaching board 100, and the rear side plate 101 is a rear cover plate of the shell of the electronic teaching board 100. The electronic teaching board 100 is a common electronic screen on the market. A fixing plate 130 is embedded in the side wall of the rear side plate 101, and an air inlet head 124 is embedded in the side wall of the fixing plate 130. A rear side pipe 123 is arranged at the output end of the air inlet head 124, and a connecting pipe 122 is arranged at the output end of the rear side pipe 123. An exhaust member 120 is arranged at the output end of the connecting pipe 122. A plurality of axial flow fans 121 are arranged inside the exhaust member 120. The axial flow fans 121 use a device of the common brand SUNON and the model VF40281BX-Q747-SAH on the market. An air inlet member 110 is arranged on the left side of the electronic teaching board 100;

[0026] The fixing block 200 is fixed to the side wall of the electronic teaching board 100 by bolts, and a rotating member 210 is arranged on the side wall of the fixing block 200, and an embedding groove 220 is arranged on the side wall of the rotating member 210, and the embedding groove 220 is embedded inside the wall, and a suction member 230 is arranged on the side wall of the embedding groove 220;

[0027] In some embodiments, the suction member 230 needs to be embedded inside the wall. When the electronic teaching board 100 is used, the sliding plate 231 needs to be slid to the right end to cover the ejection plate 240 , thereby protecting the suction cup 241 .

[0028] The side wall of the suction piece 230 is matched with a sliding plate 231, and an ejection plate 240 is arranged inside the suction piece 230. A plurality of suction cups 241 are arranged on the front side of the ejection plate 240, and the suction cups 241 are made of rubber commonly available on the market. An electric push rod 242 is arranged on the rear side of the ejection plate 240, and the electric push rod 242 uses a device whose brand is Gewa and model is GWWSA-T8-24-30-75-30 on the market. The electric push rod 242 is electrically connected to a control switch 243, and the control switch 243 uses a device whose brand is Kesheng Trading and model is KCD6 on the market.

[0029] Specifically, a dust screen 111 is disposed on the side wall of the air inlet member 120 , and the dust screen 111 is made of a common stainless steel dust filter screen on the market.

[0030] Furthermore, a locking piece 250 is provided on the left side of the electronic teaching board 100 .

[0031] Furthermore, a blocking bar 251 that matches the electronic teaching board 100 penetrates through the side wall of the locking member 250 .

[0032] Furthermore, a locking knob is provided on the side wall of the locking member 250;

[0033] In some embodiments, the locking knob is a common bolt on the market that can be directly turned by hand. When the sliding baffle 251 blocks the side wall of the electronic teaching board 100, the electronic teaching board 100 can be blocked and locked, and the locking knob is used to lock the baffle 251.

[0034] It is worth noting that a rotation groove 211 matched with the fixing block 200 is disposed on the side wall of the rotating member 210 .

[0035] It is worth noting that a metal mesh is provided at the bottom of the air suction member 120 .

[0036] In some embodiments, the electrical components and electrical equipment mentioned above all use external power sources.

[0037] In addition, the circuits, electronic components and modules involved in the utility model are all prior art, and can be fully implemented by those skilled in the art. Needless to say, the content protected by the utility model does not involve improvements to the internal structure and method.

[0038] Working principle: When the electronic teaching board 100 is in use, the axial flow fan 121 is turned on so that the air at multiple points inside the electronic teaching board 100 passes through the air inlet head 124 and then is discharged from the air suction piece 110 through the rear side pipe 123. At the same time, the external air enters the inside of the electronic teaching board 100 through the air inlet piece 110, so that the hot air at multiple points inside the electronic teaching board 100 can be extracted, so that the heat generated by the electrical components of the electronic teaching board 100 can be discharged in time when the electronic teaching board 100 is in use, which solves the problem that the heat generated by the electrical components of the common universal teaching display board embedded in the wall is inconvenient to dissipate outwards; When it is necessary to inspect the electrical components on the rear side of the electronic teaching board 100, the blocking bar 251 is pulled to unlock the electronic teaching board 100 with the locking member 250, and then the electronic teaching board 100 can be rotated to the right with the rotating member 210, and then the sliding plate 231 can be opened and the electric push rod 242 can be extended to expose the suction cup of the push-out plate 240, and the electronic teaching board 100 can be rotated to cooperate with the suction cup 241 for adsorption and fixation, thereby facilitating the inspection of the electrical components on the rear side of the electronic teaching board 100, without the need to remove the universal teaching display board from the wall, making the inspection operation more convenient.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal teaching display board, characterized in that: include: An electronic teaching board (100), wherein a rear side plate (101) is arranged at the rear side of the electronic teaching board (100), a fixing plate (130) is embedded in the side wall of the rear side plate (101), an air intake head (124) is embedded in the side wall of the fixing plate (130), a rear side tube (123) is arranged at the output end of the air intake head (124), a connecting tube (122) is arranged at the output end of the rear side tube (123), an exhaust member (120) is arranged at the output end of the connecting tube (122), a plurality of axial flow fans (121) are arranged inside the exhaust member (120), and an air intake member (110) is arranged on the left side of the electronic teaching board (100); A fixing block (200), the fixing block (200) is arranged on the side wall of the electronic teaching board (100), the side wall of the fixing block (200) is provided with a rotating member (210), the side wall of the rotating member (210) is provided with an embedding groove (220), the side wall of the embedding groove (220) is provided with a suction member (230), the side wall of the suction member (230) is matched with a sliding plate (231), the suction member (230) is provided with an ejection plate (240) inside, the front side of the ejection plate (240) is provided with a plurality of suction cups (241), the rear side of the ejection plate (240) is provided with an electric push rod (242), and the electric push rod (242) is electrically connected to a control switch (243).

2. A universal teaching display board according to claim 1, characterized in that: The side wall of the air inlet (110) is provided with a dust shield (111).

3. A universal teaching display board according to claim 2, characterized in that: The left side of the electronic teaching board (100) is matched with a locking piece (250).

4. A universal teaching display board according to claim 3, characterized in that: A blocking bar (251) matched with the electronic teaching board (100) passes through the side wall of the locking piece (250).

5. A universal teaching display board according to claim 4, characterized in that: The side wall of the locking member (250) is provided with a locking knob.

6. A universal teaching display board according to claim 5, characterized in that: The side wall of the rotating member (210) is provided with a rotating groove (211) matched with the fixing block (200).

7. A universal teaching display board according to claim 6, characterized in that: A metal mesh is arranged at the bottom of the air extraction member (120).

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