Explanation board for engineering technology development

Abstract

The utility model discloses an explanation board for engineering technology development. The explanation board comprises a supporting frame, a bottom plate, a motor, a driving mechanism and an explanation board body. A supporting frame is arranged, a bottom plate is arranged at the inner bottom end of the supporting frame, a driving mechanism is arranged between the inner top face of the supporting frame and the bottom plate, the left end and the right end of the top face of the supporting frame are each connected with a set of explanation plates, and the driving mechanism comprises a connecting plate piece, a first rotating shaft, a first rack, a second rack, a second rotating shaft, a connecting disc and other assemblies. The left end and the right end of the support frame are respectively connected with a group of rotating shafts II through a rack I and a rack II, and the top ends of the rotating shafts II penetrate through the top surface of the support frame and are connected with the two groups of explanation plates through connecting discs, so that the two groups of explanation plates can be driven to rotate and the orientation of the explanation plates can be adjusted to adapt to audiences at different positions, the flexibility is higher, and the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explanation board, specifically to an explanation board for engineering technology development. BACKGROUND

[0002] ‌Explanation board is a tool for teaching and demonstration, usually placed in the classroom or meeting room, for writing and showing content, explanation board can be written with chalk or water-based pen, and plays the role of explanation and demonstration.

[0003] In some engineering technology development and technical research and development, the user needs to be explained and demonstrated by the explanation board, so that the user understands the development progress and specific situation of engineering technology.

[0004] However, the structure of the existing part of the explanation board is relatively simple, and usually only one direction during the explanation, when the audience is more, some corner audience is difficult to directly observe the content on the explanation board, which affects the effect of explanation, and because the explanation board is mostly fixed, it is not convenient to adjust the direction, which has certain limitation. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an explanation board for engineering technology development to solve the problems in the above background technology.

[0006] In order to realize the above object, the utility model adopts the following technical scheme: an explanation board for engineering technology development, including support frame, a group of bottom plates are arranged on the inner end of the support frame close to the top surface, a group of motors are connected to the bottom middle end of the bottom plate, further including a driving mechanism arranged on the top end of the bottom plate, the left and right ends of the driving mechanism are extended to the left and right ends of the top surface of the support frame, and a group of explanation boards are connected to the left and right ends of the driving mechanism;

[0007] The driving mechanism includes a connecting plate, a rotating shaft one, a rack one, a rack two, a rotating shaft two, a gear, a connecting disc and a limiting block, a group of connecting plates are arranged on the top end of the bottom plate, a group of rotating shaft ones are connected to the middle end of the connecting plate, the bottom end of the rotating shaft one is connected to the top end of the motor drive shaft, a group of rack ones and rack twos are arranged on the top surface of the connecting plate, a group of rotating shaft twos are arranged on the right end of the rack one and the rack two, a group of gears are arranged on the bottom end of the two groups of rotating shaft twos, the top end of the gear is extended to the top end of the support frame, and a group of connecting discs are connected to the top end of the gear, a group of limiting blocks are arranged on the rear end of the support frame.

[0008] Preferably, a group of limiting rods are arranged on the bottom surface of the limiting block.

[0009] Preferably, the bottom end of the limiting rod extends downward, and the left and right ends of the connecting plate can be in contact with the outside of the two groups of limiting rods when the connecting plate rotates.

[0010] Preferably, the connecting plate member is in the shape of an I-beam.

[0011] Preferably, the first and second racks are both arc-shaped, and the teeth are located at the same position, the first rack is connected to the left end of the top surface of the connecting plate member near the outer side, and the second rack is connected to the right end of the top surface of the connecting plate member near the inner side.

[0012] Preferably, the two sets of gears are respectively engaged with the first and second racks.

[0013] Preferably, the top surface of the connecting disc is provided with a mounting groove corresponding to the explanation board.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] By setting the support frame, the bottom plate is arranged at the inner bottom end of the support frame, the driving mechanism is arranged between the top surface of the support frame and the bottom plate, the support frame is provided with a set of explanation boards connected to the left and right ends of the top surface of the support frame, the driving mechanism comprises a connecting plate member, a rotating shaft one, a first rack, a second rack, a rotating shaft two and a connecting disc, the connecting plate member is located at the top end of the bottom plate, and the left and right ends of the connecting plate member are respectively connected to a set of rotating shaft twos through the first and second racks, the top ends of the rotating shaft twos extend through the top surface of the support frame and are connected to the two sets of explanation boards through the connecting disc, the two sets of explanation boards can be driven to rotate, the orientation of the explanation board can be adjusted to adapt to the audience at different positions, the flexibility is high, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The figure is a structural schematic view of the present application;

[0017] Figure 2 The figure is a structural schematic view of the support frame of the present application;

[0018] Figure 3 The figure is a rear view structural schematic view of the driving mechanism of the present application;

[0019] Figure 4 The figure is a connecting structural schematic view of the connecting plate member of the present application.

[0020] In the figure: support frame-1, bottom plate-2, motor-3, driving mechanism-4, explanation board-5, connecting plate member-41, rotating shaft one-42, first rack-43, second rack-44, rotating shaft two-45, gear-46, connecting disc-47, limiting block-48, limiting rod-481. DETAILED DESCRIPTION

[0021] In order to further explain the technical scheme of the present application, the following specific embodiments are described in detail.

[0022] Please refer to Figure 1The utility model provides an engineering technology development is explained board, including support frame 1, the inner end of support frame 1 is close to the position of top surface and is equipped with a group of bottom plate 2, and the bottom middle end of bottom plate 2 is connected with a group of motor 3, still including the drive mechanism 4 of being equipped with in the top end of bottom plate 2, and the left and right ends of drive mechanism 4 all extend to the left and right ends of support frame 1 top surface and are connected with a group of explanation board 5.

[0023] Please refer to Figures 1-4 The utility model provides an engineering technology development is explained board, and the drive mechanism 4 includes connecting plate piece 41, rotating shaft one 42, rack one 43, rack two 44, rotating shaft two 45, gear 46, connecting disc 47 and limiting block 48, and the top end of bottom plate 2 is equipped with a group of connecting plate piece 41 of similar I-shaped, and the middle end of connecting plate piece 41 is connected with a group of rotating shaft one 42, and the bottom end of rotating shaft one 42 can be connected with the top end of motor 3 drive shaft, and the rotation of motor 3 drive shaft can drive rotating shaft one 42 and connecting plate piece 41 to rotate, and the top surface left and right ends of connecting plate piece 41 are equipped with a group of rack one 43 and rack two 44 respectively, and rack one 43 and rack two 44 all are arc-shaped, and the same convex tooth position, and rack one 43 is connected in the position close to the outside on the top surface left end of connecting plate piece 41, and rack two 44 is connected in the position close to the inside on the top surface right end of connecting plate piece 41, and the right end of rack one 43 and rack two 44 all is equipped with a group of rotating shaft two 45, and the bottom end of two groups of rotating shaft two 45 all is equipped with a group of gear 46, and two groups of gear 46 can be engaged with rack one 43 and rack two 44 respectively, and when connecting plate piece 41 rotates, can drive two groups of gear 46 to rotate through rack one 43 and rack two 44, and further drive rotating shaft two 45 to relatively rotate, and the top end of two groups of rotating shaft two 45 all extends to the top end of support frame 1 and is connected with a group of connecting disc 47, and the top surface middle end of connecting disc 47 is equipped with the mounting groove corresponding explanation board 5, and can connect explanation board 5 through connecting disc 47, and rotating shaft two 45 can drive connecting disc 47 and explanation board 5 to rotate, and the rear end of support frame 1 is equipped with a group of limiting block 48, and the bottom surface left and right ends of limiting block 48 all are equipped with a group of limit rod 481, and the bottom end of limit rod 481 extends downward, and when connecting plate piece 41 rotates, its rear left and right ends can be contacted with the outside of two groups of limit rod 481 respectively, and the rotation range of connecting plate piece 41 can be limited through two groups of limit rod 481, to avoid its rotation too large and separate from gear 46.

[0024] The working principle is as follows:

[0025] When using, can start motor 3, and the rotation of motor 3 drive shaft can drive rotating shaft one 42 and connecting plate piece 41 to rotate, and rotate gear 46 and rotating shaft two 45 through the rack one 43 and rack two 44 of its top surface left and right ends, and rotating shaft two 45 can drive two groups of explanation board 5 to relatively rotate through connecting disc 47, and the orientation of two groups of explanation board 5 can be adjusted and changed.

[0026] The above merely describes preferred examples of the present application and is not intended to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An engineering development presentation board, comprising a support frame (1), a group of bottom plates (2) arranged at the inner end of the support frame (1) close to the top surface, and a group of motors (3) connected to the bottom end of the bottom plates (2); characterized in that a drive mechanism (4) arranged at the top end of the bottom plates (2), the left and right ends of the drive mechanism (4) extending through the left and right ends of the top surface of the support frame (1) and connected to a group of presentation boards (5); the drive mechanism (4) comprises a connecting plate (41), a rotating shaft (42), a rack (43), a rack (44), a rotating shaft (45), a gear (46), a connecting disc (47) and a limiting block (48), a group of connecting plates (41) are arranged at the top end of the bottom plates (2), a group of rotating shafts (42) are connected to the middle end of the connecting plates (41), the bottom end of the rotating shafts (42) can be connected to the top end of the drive shaft of the motors (3), a group of racks (43) and a group of racks (44) are arranged at the left and right ends of the top surface of the connecting plates (41), a group of rotating shafts (45) are arranged at the right end of the racks (43) and the racks (44), a group of gears (46) are arranged at the bottom end of the two groups of rotating shafts (45), the top end of the gears (46) extends through the top end of the support frame (1) and is connected to a group of connecting discs (47), and a group of limiting blocks (48) are arranged at the rear end of the support frame (1).

2. The presentation board for engineering development according to claim 1, wherein: The limiting blocks (48) are arranged at the left and right ends of the bottom surface of the limiting blocks (48).

3. The presentation board for engineering development according to claim 2, wherein: The bottom end of the limiting rods (481) extends downward, and the left and right ends of the connecting plates (41) can be in contact with the outer sides of the two groups of limiting rods (481) when the connecting plates (41) rotate.

4. The presentation board for engineering development according to claim 3, wherein: The connecting plates (41) are in the shape of an I-beam.

5. The presentation board for engineering development according to claim 4, wherein: The racks (43) and the racks (44) are in the shape of an arc, and the protruding teeth are arranged at the same position, the rack (43) is connected to the left end of the top surface of the connecting plate (41) close to the outer side, and the rack (44) is connected to the right end of the top surface of the connecting plate (41) close to the inner side.

6. The presentation board for engineering development according to claim 5, wherein: The two groups of gears (46) can be engaged with the racks (43) and the racks (44) respectively.

7. The presentation board for engineering development according to claim 1, wherein: The top surface of the connecting disc (47) is provided with a mounting groove corresponding to the presentation board (5).

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