Multimedia push-pull four-door screen green board

Abstract

The utility model relates to the technical field of multimedia, in particular to a multimedia push-pull four-door screen green board, which comprises a mounting frame and four groups of green boards positioned in the mounting frame, four groups of moving frames are arranged in the mounting frame, mounting frames are sleeved on the four groups of green boards, and the four groups of green boards and the mounting frames are arranged corresponding to the moving frames; a steering mechanism used for adjusting the writing face of the green board is arranged in the mounting frame and comprises mounting shafts symmetrically distributed on the two sides of the green board, the green board is rotationally connected with the mounting frame through the mounting shafts, and an adjusting mechanism used for adjusting the position of the green board is arranged between the moving frame and the mounting frame. According to the four-door-screen green board, steering adjustment of the green board is completed after the mounting frame and the green board are jacked out of the moving frame through the arranged steering mechanism, the writing area of the four-door-screen green board is effectively enlarged, meanwhile, adjustment of the position of the green board is achieved through the arranged adjusting mechanism, the writing faces of the adjacent green boards are flush conveniently, and meanwhile the writing efficiency of the four-door-screen green board is improved. And enough space is reserved to realize steering adjustment of the green board.

Description

TECHNICAL FIELD

[0001] The utility model relates to multimedia technical field, concretely is a multimedia push and pull four door screen green board. BACKGROUND

[0002] Multimedia push and pull four door screen green board realizes interactive teaching through touch screen, greatly promotes classroom efficiency. Teachers can play video, show courseware, even carry out real-time annotation, make students understand knowledge point better, and this design not only facilitates the teaching work of teachers, but also enhances the learning experience of students.

[0003] In the prior art, four door screen green boards can be adjusted and replaced in the horizontal direction through push and pull translation during use, but each green board can only use one side and cannot use both sides, the available area of the whole green board is limited, and the adjacent green boards are staggered in the prior art, so that the staff cannot have a longer writing length in the horizontal direction, and the writing between the adjacent two groups of green boards is not coherent. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a multimedia push and pull four door screen green board, which solves the problems raised in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a multimedia push and pull four door screen green board, comprising a mounting frame and four groups of green boards in the mounting frame, four groups of moving frames are arranged in the mounting frame, four groups of mounting frames are arranged on the four groups of green boards, and the four groups of green boards and the mounting frames are arranged correspondingly with the moving frames;

[0008] A turning mechanism for adjusting the writing surface of the green board is arranged in the mounting frame, the turning mechanism comprises mounting shafts arranged symmetrically on both sides of the green board, the green board is rotatably connected with the mounting frame through the mounting shafts, a first gear is sleeved on the mounting shaft, a first rack is arranged in the mounting frame, the first rack is slidably connected with the mounting frame, the first rack is meshingly connected with the first gear, a pull rod is fixedly installed on the first rack, an adjusting mechanism for adjusting the position of the green board is arranged between the moving frame and the mounting frame, the adjusting mechanism comprises two groups of brackets arranged in cross, sliding blocks are rotatably installed at both ends of the two groups of brackets, and the two ends of the bracket are slidably connected with the mounting frame and the moving frame through the sliding blocks.

[0009] Preferably, a sliding rod is fixedly installed on each of the four groups of moving frames, four groups of symmetrically distributed sliding grooves are formed in the mounting frame, the sliding rod is arranged correspondingly with the sliding groove, and the four groups of moving frames are slidably connected with the mounting frame through the sliding rod.

[0010] Preferably, two ends of the pull rod are fixedly provided with two groups of symmetrical positioning blocks, the steering mechanism further comprises two groups of symmetrical positioning racks arranged in the mounting frame, the positioning racks are correspondingly arranged with the positioning blocks, the positioning racks are slidably connected with the mounting frame, two groups of positioning rods are fixedly arranged on the two groups of positioning racks, the two groups of positioning rods are movably connected with the positioning blocks, second racks are fixedly arranged on the two groups of positioning racks, two groups of handles are arranged in the mounting frame, the handles are correspondingly arranged with the two groups of positioning racks, second gears are sleeved on the handles, and the second gears are meshedly connected with the two groups of second racks.

[0011] Preferably, the two groups of positioning rods are fixedly sleeved with stop blocks, the two groups of positioning rods are slidably connected with the mounting frame through the stop blocks, springs are sleeved on the two groups of positioning rods, two ends of the springs are fixedly connected with the mounting frame and the stop blocks, and torsion springs are sleeved on the handles, and two ends of the torsion springs are fixedly connected with the second gears and the mounting frame.

[0012] Preferably, two groups of symmetrical bidirectional screw rods are rotatably arranged in the mounting frame and the moving frame, synchronous wheels are sleeved on the two groups of symmetrical bidirectional screw rods, and synchronous belts are arranged in the mounting frame and the moving frame, and the synchronous belts are in transmission connection with the corresponding two groups of synchronous wheels.

[0013] Preferably, two ends of the bidirectional screw rod are respectively penetrated through the corresponding moving frame or the mounting frame and rotatably connected with the moving frame or the mounting frame through bearings, and two ends of the bidirectional screw rod are respectively penetrated through two groups of corresponding sliding blocks and threadedly connected with the two groups of sliding blocks.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a kind of multimedia push-pull four door screen green board, with following beneficial effects:

[0016] Through the steering mechanism set, the mounting frame and green board are lifted out from the moving frame after being completed for the steering adjustment of green board, effectively expand the writing area of the four door screen green board, simultaneously, through the adjustment mechanism set, the adjustment of green board position is realized, the space for steering adjustment of green board is reserved while the writing surface of adjacent green board is conveniently flush. DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2The structure separation schematic view of the mounting frame and the moving frame of the utility model;

[0020] Figure 3 The structure schematic view of the adjusting mechanism of the utility model;

[0021] Figure 4 The structure schematic view of the steering mechanism of the utility model;

[0022] Figure 5 The structure schematic view of the utility model Figure 4 The structure enlarged schematic view of A in the utility model.

[0023] In the figure: 1, mounting frame; 2, sliding groove; 3, moving frame; 4, sliding rod; 5, green board; 6, adjusting mechanism; 601, synchronous belt; 602, support; 603, sliding block; 604, bidirectional screw rod; 605, synchronous wheel; 7, steering mechanism; 701, mounting shaft; 702, first gear; 703, first rack; 704, pull rod; 705, positioning block; 706, positioning frame; 707, positioning rod; 708, stop block; 709, spring; 710, handle; 711, second rack; 712, second gear; 713, torsion spring; 8, mounting frame. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0025] Figures 1-5For an embodiment of the utility model, a multimedia push-pull four-door screen green board, including mounting frame 1 and four groups of green board 5 in mounting frame 1, four groups of mobile frame 3 are equipped in mounting frame 1, and the mounting frame 8 of four groups of green board 5 is all sleeved, and four groups of green board 5 and mounting frame 8 all are with mobile frame 3 corresponding arrangement;The turning mechanism 7 for adjusting green board 5 writing surface is equipped in mounting frame 8, and turning mechanism 7 includes the installation shaft 701 being set in the symmetrical distribution of green board 5 both sides, and green board 5 is rotatably connected with mounting frame 8 through installation shaft 701, and the first gear 702 is sleeved on installation shaft 701, and the first rack 703 is equipped in mounting frame 8, and the first rack 703 is slidably connected with mounting frame 8, and the first rack 703 is meshed with the first gear 702, and the pull rod 704 is fixedly installed on the first rack 703, and the adjusting mechanism 6 for adjusting the position of green board 5 is equipped between mobile frame 3 and mounting frame 8, and adjusting mechanism 6 includes two groups of cross distribution's support 602, and the both ends of two groups of support 602 are rotatably installed with slider 603, and the both ends of support 602 are slidably connected with mounting frame 8 and mobile frame 3 through slider 603 respectively, and the turning adjustment of green board 5 is completed after mounting frame 8 and green board 5 are lifted from mobile frame 3 through the turning mechanism 7 set, and the writing area of the four-door screen green board 5 is effectively expanded.

[0026] In the embodiment, refer to Figure 4 、 Figure 5As shown, four groups of mobile frame 3 are fixedly installed with slide rods 4, and the mounting frame 1 is provided with four groups of symmetrically distributed slide grooves 2, the slide rods 4 are correspondingly arranged with the slide grooves 2, and the four groups of mobile frame 3 are slidably connected with the mounting frame 1 through the slide rods 4, both ends of the pull rod 704 are fixedly installed with two groups of symmetrically distributed positioning blocks 705, the steering mechanism 7 further comprises two groups of positioning frames 706 symmetrically distributed in the mounting frame 8, the positioning frames 706 are correspondingly arranged with the positioning blocks 705, the positioning frames 706 are slidably connected with the mounting frame 8, and both groups of positioning frames 706 are fixedly installed with positioning rods 707, both groups of positioning rods 707 are movably connected with the positioning blocks 705, both groups of positioning frames 706 are fixedly installed with second racks 711, the mounting frame 8 is provided with two groups of symmetrically distributed handles 710, the handles 710 are correspondingly arranged with the two groups of positioning frames 706, the handles 710 are sleeved with second gears 712, and the second gears 712 are respectively meshed with the two groups of second racks 711, both groups of positioning rods 707 are fixedly sleeved with stop blocks 708, and both groups of positioning rods 707 are slidably connected with the mounting frame 8 through the stop blocks 708, both groups of positioning rods 707 are sleeved with springs 709, both ends of the springs 709 are respectively fixedly connected with the mounting frame 8 and the stop blocks 708, the handles 710 are sleeved with torsion springs 713, and both ends of the torsion springs 713 are respectively fixedly connected with the second gears 712 and the mounting frame 8, when the green board 5 moves to the moving position in the mounting frame 8, the second gears 712 on the handles 710 are driven to rotate synchronously by rotating the two groups of handles 710, the two groups of second racks 711 are synchronously slid to both sides under the rotation of the second gears 712, and the positioning frames 706, the positioning rods 707 and the stop blocks 708 are synchronously slid, the positioning blocks 705 are synchronously slid to one side by pulling the pull rod 704, the first rack 703 is synchronously slid when the pull rod 704 is slid, and then the mounting shaft 701 drives the green board 5 to overturn one hundred and eighty degrees in cooperation with the first gear 702, the adjustment of the writing surface of the green board 5 is completed, the handles 710 are released after the positioning blocks 705 move to between the two groups of positioning frames 706 on one side, the two groups of positioning frames 706 and the positioning rods 707 are synchronously slid inward under the action of the springs 709 and the torsion springs 713, until the positioning rods 707 are connected with the positioning blocks 705, the fixing of the corresponding positioning blocks 705 is completed, the fixing of the green board 5 is realized, and then the adjustment of the double writing surfaces of the green board 5 is realized, and the writing area of the overall device is effectively expanded.

[0027] In this embodiment, reference is made to Figure 3As shown, the moving frame 3 and the mounting frame 8 are both rotationally mounted with two groups of symmetrically distributed bidirectional screws 604, the two groups of symmetric bidirectional screws 604 are both sleeved with synchronous wheels 605, and the mounting frame 8 and the moving frame 3 are both provided with synchronous belts 601, the synchronous belts 601 are respectively in transmission connection with the corresponding two groups of synchronous wheels 605, the two ends of the bidirectional screw 604 are respectively penetrated through the corresponding moving frame 3 or the mounting frame 8 and are rotationally connected with the moving frame 3 or the mounting frame 8 through bearings, the two ends of the bidirectional screw 604 are respectively penetrated through two groups of corresponding sliding blocks 603 and are respectively in threaded connection with the two groups of sliding blocks 603, the corresponding bidirectional screw 604 is driven to rotate by the motor in the moving frame 3 and the mounting frame 8, the two groups of symmetric bidirectional screws 604 are synchronously rotated under the action of the synchronous belt 601 and the synchronous wheel 605, the two groups of sliding blocks 603 are synchronously slid inward or outward under the limiting action of the mounting frame 8 and the moving frame 3, thereby changing the angle of the cross-distributed support 602, thereby adjusting the distance between the mounting frame 8 and the moving frame 3, adjusting the flushness between the adjacent green plates 5, facilitating the continuous writing of the staff between the adjacent green plates 5, and expanding the longer writing length in the horizontal direction.

[0028] When the embodiment works, the corresponding bidirectional screw 604 is driven to rotate by the motor in the moving frame 3 and the mounting frame 8, the two groups of symmetric bidirectional screws 604 are synchronously rotated under the action of the synchronous belt 601 and the synchronous wheel 605, the two groups of sliding blocks 603 are synchronously slid inward or outward under the limiting action of the mounting frame 8 and the moving frame 3, thereby changing the angle of the cross-distributed support 602, thereby adjusting the distance between the mounting frame 8 and the moving frame 3, adjusting the flushness between the adjacent green plates 5, facilitating the continuous writing of the staff between the adjacent green plates 5, and expanding the longer writing length in the horizontal direction.

[0029] The control mode of the utility model is automatic control through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model will not explain the control mode and the circuit connection in detail.

[0030] It should be noted that the terms "comprising", "including", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multimedia push-pull four door green board comprising a mounting frame (1) and four groups of green boards (5) located in the mounting frame (1), characterized in that: The mounting frame (1) is internally provided with four groups of moving frames (3), four groups of green boards (5) are sleeved with mounting frames (8), and the four groups of green boards (5) and the mounting frames (8) are correspondingly arranged with the moving frames (3); The mounting frame (8) is internally provided with a steering mechanism (7) for adjusting the writing surface of the green board (5), the steering mechanism (7) comprises mounting shafts (701) symmetrically arranged on both sides of the green board (5), the green board (5) is rotatably connected with the mounting frame (8) through the mounting shafts (701), the mounting shafts (701) are sleeved with first gear wheels (702), the mounting frame (8) is internally provided with first racks (703), the first racks (703) are slidably connected with the mounting frame (8), and the first racks (703) are meshedly connected with the first gear wheels (702), the first racks (703) are fixedly installed with pull rods (704), and the moving frame (3) and the mounting frame (8) are provided with an adjusting mechanism (6) for adjusting the position of the green board (5), the adjusting mechanism (6) comprises two groups of cross-distributed supports (602), both ends of the two groups of supports (602) are rotatably installed with sliding blocks (603), and both ends of the support (602) are slidably connected with the mounting frame (8) and the moving frame (3) through the sliding blocks (603).

2. The multimedia push-pull four-door screen green board according to claim 1, characterized in that: Four groups of the moving frames (3) are fixedly installed with sliding rods (4), the mounting frame (1) is provided with four groups of symmetrically distributed sliding grooves (2), the sliding rods (4) are correspondingly arranged with the sliding grooves (2), and the four groups of moving frames (3) are slidably connected with the mounting frame (1) through the sliding rods (4).

3. The multimedia push-pull four-door screen green board according to claim 1, characterized in that: Both ends of the pull rod (704) are fixedly installed with two groups of symmetrically distributed positioning blocks (705), the steering mechanism (7) further comprises two groups of symmetrically distributed positioning frames (706) in the mounting frame (8), the positioning frames (706) are correspondingly arranged with the positioning blocks (705), the positioning frames (706) are slidably connected with the mounting frame (8), both groups of the positioning frames (706) are fixedly installed with positioning rods (707), both groups of the positioning rods (707) are movably connected with the positioning blocks (705), both groups of the positioning frames (706) are fixedly installed with second racks (711), the mounting frame (8) is internally provided with two groups of symmetrically distributed handles (710), the handles (710) are correspondingly arranged with the two groups of positioning frames (706), the handles (710) are sleeved with second gear wheels (712), and the second gear wheels (712) are meshedly connected with the two groups of second racks (711).

4. The multimedia push-pull four-door screen green board according to claim 3, characterized in that: Both groups of the positioning rods (707) are fixedly sleeved with stop blocks (708), and both groups of the positioning rods (707) are slidably connected with the mounting frame (8) through the stop blocks (708), both groups of the positioning rods (707) are sleeved with springs (709), both ends of the springs (709) are fixedly connected with the mounting frame (8) and the stop blocks (708), the handles (710) are sleeved with torsion springs (713), and both ends of the torsion springs (713) are fixedly connected with the second gear wheels (712) and the mounting frame (8).

5. The multimedia push-pull four-door screen green board according to claim 1, characterized in that: The mobile frame (3) and the mounting frame (8) are both provided with two groups of symmetrically distributed bidirectional lead screws (604), the two groups of symmetrically distributed bidirectional lead screws (604) are both provided with synchronous wheels (605), and the mounting frame (8) and the mobile frame (3) are both provided with synchronous belts (601), the synchronous belts (601) are respectively connected with the corresponding two groups of synchronous wheels (605).

6. The multimedia push-pull four-door screen green board according to claim 5, characterized in that: The two ends of the bidirectional lead screw (604) respectively penetrate through the corresponding mobile frame (3) or mounting frame (8) and are rotatably connected with the mobile frame (3) or mounting frame (8) through bearings, and the two ends of the bidirectional lead screw (604) respectively penetrate through two groups of corresponding sliding blocks (603) and are respectively threadedly connected with the two groups of sliding blocks (603).

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