CN214312097U - Electronic blackboard with front maintenance structure - Google Patents

Electronic blackboard with front maintenance structure Download PDF

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Publication number
CN214312097U
CN214312097U CN202022990299.3U CN202022990299U CN214312097U CN 214312097 U CN214312097 U CN 214312097U CN 202022990299 U CN202022990299 U CN 202022990299U CN 214312097 U CN214312097 U CN 214312097U
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CN
China
Prior art keywords
blackboard
electronic blackboard
fixed
placing frame
side wall
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Active
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CN202022990299.3U
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Chinese (zh)
Inventor
唐伟锋
张懿
沈芝根
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Shanghai Yueling Information Technology Co ltd
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Shanghai Yueling Information Technology Co ltd
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Priority to CN202022990299.3U priority Critical patent/CN214312097U/en
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Abstract

The utility model belongs to the technical field of blackboards, in particular to an electronic blackboard with a front maintenance structure, aiming at the problem of poor protection and cleaning effects when the electronic blackboard is not used, the utility model provides a scheme which comprises a supporting plate, wherein a supporting column is fixed at the top end of the supporting plate, a placing frame is fixed at one end of the supporting column, which is far away from the supporting plate, an electronic blackboard is placed inside the placing frame, two symmetrically arranged chutes are arranged inside the bottom end of the placing frame, sliding blocks are connected inside the two chutes in a sliding manner, two symmetrically arranged supporting seats are fixed on the side wall of one side of the placing frame and the top end of the sliding block, an installation shaft is arranged inside the supporting seats, and a cleaning sponge is tightly sleeved on the outer surface of the installation shaft; the utility model discloses in through clean sponge with shelter from mutually supporting of cloth, accomplished the cleanness and the guard action to blackboard, reached when carrying out the cleanness to blackboard to its protection purpose, realized protection and clean effect when not using blackboard to blackboard.

Description

Electronic blackboard with front maintenance structure
Technical Field
The utility model relates to a blackboard technical field especially relates to an electronic blackboard of front maintenance structure.
Background
The electronic blackboard is a high-tech electronic product replacing a traditional blackboard, integrates a stable and reliable infrared sensing positioning technology, a liquid crystal display screen technology and a computer technology, is different from the electronic whiteboard, integrates a plurality of office equipment functions such as a projector, the electronic whiteboard, a liquid crystal television, a computer and the like, and is added with special writing software, so that the information processing is more convenient, the demonstration is more vivid, the complex installation and debugging are not needed, and the system cost is reduced.
The intelligent electronic blackboard screen installed in the existing multimedia classroom is often exposed outside, and is not protected enough, so that the screen is easily scratched or abraded, even under more serious conditions, the screen is accidentally broken, dust is easily attached to the electronic blackboard screen, if the screen cannot be cleaned up in time, dirt is easily deposited, teaching is influenced, clear display is achieved, and the protection and cleaning effects when the electronic blackboard is not used are poor.
Therefore, there is a need for an electronic blackboard with a front maintenance structure to solve the problem of poor protection and cleaning effects when the electronic blackboard is not used.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic blackboard of front maintenance structure has solved the relatively poor problem of protection and clean effect when electronic blackboard does not use.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an electronic blackboard with a front maintenance structure comprises a supporting plate, wherein a supporting column is fixed at the top end of the supporting plate, a placing frame is fixed at one end of the supporting column, which is far away from the supporting plate, an electronic blackboard is placed in the placing frame, two sliding grooves which are symmetrically arranged are formed in the bottom end of the placing frame, sliding blocks are respectively connected in the two sliding grooves in a sliding manner, two supporting seats which are symmetrically arranged are fixed at the side wall of one side of the placing frame and the top end of the sliding block, an installation shaft is installed in the supporting seats, cleaning sponge is tightly sleeved on the outer surface of the installation shaft, two fixed blocks are fixed at one side, which is positioned on the cleaning sponge, of the side wall of one side of the placing frame, a rotating shaft is rotatably connected between the top ends of the two fixed blocks, a winding wheel is fixed on the outer surface of the rotating shaft, shielding cloth is placed on the outer surface of the winding wheel, the utility model discloses a rolling wheel, including a cover cloth, a rolling wheel, torsion spring, telescopic spring, movable sleeve, connecting rod, movable sleeve, rolling wheel, cover cloth, the lateral wall of one side of covering cloth is fixed with two supporting seat one side lateral walls, the surface slip of axis of rotation has cup jointed two torsion spring that are the symmetry setting, torsion spring's both ends are fixed with one side lateral wall of fixed block and one side lateral wall of rolling wheel respectively, two recesses that are the symmetry setting are seted up to the inside of support column, the inside sliding connection of recess has two fixture blocks that are the symmetry setting, be fixed with telescopic spring between one side lateral wall of fixture block and one side lateral wall of recess, the surface slip of support column has cup jointed and has removed the cover, it has two connecting rods that are the symmetry setting to remove the cover both ends respectively with between the bottom of two sliding blocks, remove the cover and set up two mounting grooves that are the symmetry setting, it is located directly over the fixture block to remove the cover.
Preferably, the bottom of placing the frame is provided with the standing groove, the standing groove is located the electronic blackboard under, the section length of standing groove is greater than the section length of electronic blackboard pen.
Preferably, the cleaning sponge and the shielding cloth are distributed in parallel, the shielding cloth is in contact with the inner side walls of the two sides of the placing frame, and the section size of the shielding cloth is larger than that of the electronic blackboard.
Preferably, the cross-section of the supporting seat is U-shaped, and the mounting shaft is located inside the supporting seat.
Preferably, the vertical section of the cleaning sponge and the outer surface of the electronic blackboard are positioned on the same horizontal plane, and the length of the section of the cleaning sponge is greater than that of the section of the electronic blackboard.
Preferably, the cross-sectional shape of recess is circular-arc, the fixture block is the arc surface of matched with the contact surface of recess, the size of recess and the big or small looks adaptation of fixture block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in through clean sponge at the in-process that removes, will shelter from cloth cover at blackboard's front surface, clean the impurity on blackboard simultaneously with the dust, accomplished the cleanness and the guard action to blackboard, reached and carried out the protection purpose to it when clear to blackboard, realized protection and clean effect when not using blackboard.
2. The utility model discloses in through the cooperation that shelters from cloth and clean sponge, the cooperation of connecting rod and sliding block, the setting of supporting seat makes the blackboard when not using, and more convenient and the effect of protection of clear method is better, and installation axle detachable sets up and makes clean sponge can change, makes its clean effect to the blackboard display screen better.
Drawings
Fig. 1 is a schematic view of a main sectional structure of an electronic blackboard with a front maintenance structure according to the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic top view of an electronic blackboard with a front maintenance structure according to the present invention.
In the figure: 1. a support plate; 2. a support pillar; 3. placing the frame; 4. an electronic blackboard; 5. a chute; 6. a slider; 7. a supporting seat; 8. installing a shaft; 9. cleaning the sponge; 10. a fixed block; 11. a rotating shaft; 12. a winding wheel; 13. a shielding cloth; 14. a torsion spring; 15. a groove; 16. a clamping block; 17. a tension spring; 18. moving the sleeve; 19. a connecting rod; 20. mounting grooves; 21. and (6) placing the groove.
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.
Referring to fig. 1-3, an electronic blackboard of a front maintenance structure comprises a supporting plate 1, a supporting column 2 is fixed at the top end of the supporting plate 1, a placing frame 3 is fixed at one end of the supporting column 2 far away from the supporting plate 1, an electronic blackboard 4 is placed inside the placing frame 3, two sliding chutes 5 which are symmetrically arranged are formed in the bottom end of the placing frame 3, sliding blocks 6 are respectively connected inside the two sliding chutes 5 in a sliding manner, two supporting seats 7 which are symmetrically arranged are fixed at the side wall of one side of the placing frame 3 and the top end of the sliding block 6, an installation shaft 8 is installed inside the supporting seats 7, a cleaning sponge 9 is tightly sleeved on the outer surface of the installation shaft 8, two fixed blocks 10 are fixed at one side of the side wall of the placing frame 3, a rotating shaft 11 is rotatably connected between the top ends of the two fixed blocks 10, a winding wheel 12 is fixed on the outer surface of the rotating shaft 11, a shielding cloth 13 is placed on the outer surface of the winding wheel 12, one side wall of the shielding cloth 13 is fixed with one side wall of the two supporting seats 7, two torsion springs 14 which are symmetrically arranged are sleeved on the outer surface of the rotating shaft 11 in a sliding manner, two ends of each torsion spring 14 are respectively fixed with one side wall of the fixed block 10 and one side wall of the winding wheel 12, two grooves 15 which are symmetrically arranged are formed in the supporting column 2, two clamping blocks 16 which are symmetrically arranged are connected in the grooves 15 in a sliding manner, a telescopic spring 17 is fixed between one side wall of each clamping block 16 and one side wall of each groove 15, a moving sleeve 18 is sleeved on the outer surface of the supporting column 2 in a sliding manner, two connecting rods 19 which are symmetrically arranged are hinged between two ends of the moving sleeve 18 and the bottom ends of the two sliding blocks 6 respectively, two mounting grooves 20 which are symmetrically arranged are formed in two ends in the moving sleeve 18, the moving sleeve 18 is positioned right above the clamping blocks 16, when the electronic blackboard is cleaned, the shielding cloth 13 can shield the display screen of the electronic blackboard 4, so that the screen is prevented from being damaged and collided due to accidental collision when the electronic blackboard is not used, the protection purpose of the electronic blackboard 4 is achieved while the electronic blackboard is cleaned, and the protection and cleaning effects when the electronic blackboard is not used are achieved.
The bottom of placing frame 3 is provided with standing groove 21, and standing groove 21 is located blackboard 4 under, and standing groove 21's cross-sectional length is greater than blackboard pen's cross-sectional length, guarantees when placing blackboard pen, prevents blackboard pen's landing when not using, causes the damage to it.
The cleaning sponge 9 and the shielding cloth 13 are distributed in parallel, the shielding cloth 13 is in contact with the inner side walls of the two sides of the placing frame 3, the section size of the shielding cloth 13 is larger than that of the electronic blackboard 4, the shielding cloth 13 can completely cover the electronic blackboard 4, and accidental damage and collision to the electronic blackboard are prevented.
The cross-section of supporting seat 7 is the U-shaped, and installation axle 8 is located the inside of supporting seat 7, and the structural design of supporting seat 7 makes clean sponge 9 clean the time to blackboard 4 screen for a long time, and too much dust and impurity pile up on its surface, can't reach the clean effect to it, are convenient for to the change of clean sponge 9, make its clean effect to blackboard 4's display screen better.
The vertical cross section of clean sponge 9 and the surface of blackboard 4 are located same horizontal plane, and the cross sectional length of clean sponge 9 is greater than blackboard 4's cross sectional length, guarantees that clean sponge 9 carries out more thorough cleanness at the in-process that removes to blackboard 4's display screen, prevents to omit blackboard 4's place that has the impurity, and is better comprehensive to its cleanness.
The cross section of the groove 15 is arc-shaped, the contact surface of the fixture block 16 and the groove 15 is a matched arc surface, the size of the groove 15 is matched with that of the fixture block 16, so that the movable sleeve 18 can be clamped into the groove 15 when moving, and the electronic blackboard 4 is protected in a state of being covered by the shielding cloth 13.
The working principle is as follows: in the initial state, under the condition that the electronic blackboard 4 is not used, the shielding cloth 13 covers the outer surface of the electronic blackboard 4, the cleaning sponge 9 is positioned in the middle of the front outer surface of the electronic blackboard 4, the fixture block 16 is positioned in the mounting groove 20, the connecting rod 19 is vertical to the placing frame 3, when the electronic blackboard 4 needs to be used, the moving sleeve 18 moves upwards, the fixture block 16 is pushed out of the inside of the groove 15 under the action of the expansion spring 17, the moving sleeve 18 moves to drive the connecting rods 19 at two ends to move, the two connecting rods 19 drive the sliding block 6 to move along with the movement, the sliding block 6 moves towards two ends in the sliding groove 5, the support seat 7 at the top end of the sliding block 6 moves while the sliding block 6 moves, the mounting shaft 8 mounted in the support seat 7 moves along with the movement, at this time, the cleaning sponge 9 moves towards two ends under the action of the moving block, the winding wheel 12 winds the shielding cloth 13 under the action of the torsion spring 14 when the cleaning sponge 9 moves, when the electronic blackboard 4 is completely opened, the cleaning sponge 9 is positioned at two sides of the electronic blackboard 4, the shielding cloth 13 is contacted with the inner wall of the placing frame 3, the electronic blackboard 4 can be used, when the electronic blackboard 4 is used, the moving sleeve 18 is restored to the original position, the moving sleeve 18 is clamped on the outer surface of the supporting column 2, the connecting rod 19 drives the cleaning sponges 9 at two ends to move towards the electronic blackboard 4 through the sliding block 6, traces and dust impurities on the electronic blackboard 4 are cleaned, the shielding cloth 13 covers the outer surface of the display screen of the electronic blackboard 4, the cleaning and protecting effects on the electronic blackboard 4 are completed, and the protection purpose of the electronic blackboard 4 is achieved while the electronic blackboard 4 is cleaned, the protection and cleaning effects when the electronic blackboard 4 is not used are realized.
The electronic blackboard 4 is commercially available, belongs to a mature technology in the field and is fully disclosed, so that repeated description is omitted in the specification.
The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The electronic blackboard with the front maintenance structure comprises a supporting plate (1) and is characterized in that a supporting column (2) is fixed at the top end of the supporting plate (1), a placing frame (3) is fixed at one end, far away from the supporting plate (1), of the supporting column (2), the electronic blackboard (4) is placed inside the placing frame (3), two symmetrically-arranged sliding grooves (5) are formed inside the bottom end of the placing frame (3), sliding blocks (6) are connected to the inside of the sliding grooves (5) in a sliding mode, two symmetrically-arranged supporting seats (7) are fixed at the top end of one side wall of the placing frame (3) and the top end of the sliding blocks (6), an installation shaft (8) is installed inside the supporting seats (7), a cleaning sponge (9) is sleeved on the outer surface of the installation shaft (8), two fixing blocks (10) are fixed on one side wall, located on the cleaning sponge (9), of the placing frame (3), a rotating shaft (11) is rotatably connected between the top ends of the two fixing blocks (10), a winding wheel (12) is fixed on the outer surface of the rotating shaft (11), shielding cloth (13) is placed on the outer surface of the winding wheel (12), one side wall of the shielding cloth (13) is fixed with one side wall of the two supporting seats (7), two torsion springs (14) which are symmetrically arranged are sleeved on the outer surface of the rotating shaft (11) in a sliding manner, two ends of each torsion spring (14) are respectively fixed with one side wall of the fixing block (10) and one side wall of the winding wheel (12), two symmetrically arranged grooves (15) are formed in the supporting column (2), two symmetrically arranged clamping blocks (16) are connected in the grooves (15) in a sliding manner, and a telescopic spring (17) is fixed between one side wall of each clamping block (16) and one side wall of each groove (15), the surface of support column (2) slides and has cup jointed removal cover (18), the both ends of removing cover (18) articulate respectively with between the bottom of two sliding blocks (6) have two connecting rods (19) that are the symmetry and set up, two mounting grooves (20) that are the symmetry and set up are seted up at the inside both ends of removing cover (18), remove cover (18) and be located fixture block (16) directly over.
2. An electronic blackboard of a front maintenance structure, according to claim 1, characterised in that the bottom end of the placing frame (3) is provided with a placing groove (21), the placing groove (21) is located right under the electronic blackboard (4), the cross-section length of the placing groove (21) is greater than that of the electronic blackboard pen.
3. The electronic blackboard of a front maintenance structure according to claim 1, wherein the cleaning sponge (9) and the shielding cloth (13) are distributed in parallel, the shielding cloth (13) contacts with the inner side walls of the two sides of the placement frame (3), and the cross section of the shielding cloth (13) is larger than that of the electronic blackboard (4).
4. A blackboard in a front maintenance configuration, according to claim 1, characterised in that the support (7) is U-shaped in cross section and the mounting shaft (8) is located inside the support (7).
5. The blackboard with a front maintenance structure according to claim 1, characterised in that the vertical section of the cleaning sponge (9) is at the same level with the outer surface of the blackboard (4), and the length of the section of the cleaning sponge (9) is greater than that of the blackboard (4).
6. The electronic blackboard with a front maintenance structure according to claim 1, wherein the cross-sectional shape of the groove (15) is circular arc, the contact surface between the block (16) and the groove (15) is a matching circular arc surface, and the size of the groove (15) is matched with the size of the block (16).
CN202022990299.3U 2020-12-12 2020-12-12 Electronic blackboard with front maintenance structure Active CN214312097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022990299.3U CN214312097U (en) 2020-12-12 2020-12-12 Electronic blackboard with front maintenance structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022990299.3U CN214312097U (en) 2020-12-12 2020-12-12 Electronic blackboard with front maintenance structure

Publications (1)

Publication Number Publication Date
CN214312097U true CN214312097U (en) 2021-09-28

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Application Number Title Priority Date Filing Date
CN202022990299.3U Active CN214312097U (en) 2020-12-12 2020-12-12 Electronic blackboard with front maintenance structure

Country Status (1)

Country Link
CN (1) CN214312097U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114035399A (en) * 2021-12-17 2022-02-11 桂林电子科技大学 Projection terminal and method for realizing multi-terminal same-screen projection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114035399A (en) * 2021-12-17 2022-02-11 桂林电子科技大学 Projection terminal and method for realizing multi-terminal same-screen projection

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