Budget demonstration device

Abstract

The utility model relates to the technical field of demonstration equipment, in particular to a budget demonstration device which comprises a demonstration mechanism, a view finding mechanism and a supporting mechanism. The demonstration mechanism further comprises an installation frame, the view finding mechanism is installed on one side of the installation frame, and the supporting mechanism is installed at the bottom of the installation frame. A white board is fixedly connected to one side of the interior of the mounting frame, two magnetic nails are symmetrically and magnetically connected to the front surface of the white board, and paper is arranged between the magnetic nails and the white board; fixing plates are symmetrically and fixedly connected to one side of the mounting frame, a connecting rod is fixedly connected between the two fixing plates, and the outer side wall of the connecting rod is sleeved with a first sleeve. When the device is used, information on paper is collected through the view finding mechanism, and then collected images are transmitted to the display screen to be displayed; and information on the paper can be conveniently displayed, so that viewers can conveniently check the information on the paper, and demonstration is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of demonstration equipment, in particular to a budget demonstration device. Background Art

[0002] Project cost refers to the construction cost that constitutes the estimated or actual expenditure of the project during the construction period, and the budget demonstration device is usually used to demonstrate the formulas, methods and related calculations involved in various budget processes. The demonstration process of project cost budget is similar to the conventional teaching process, and is generally carried out through electronic courses combined with blackboard writing.

[0003] A Chinese patent publication (publication number: CN219692660U) discloses a budget demonstration device, which includes a base, the top of the base is fixedly installed with electric telescopic rods on both sides, the tops of the two electric telescopic rods are fixedly installed with the same carrying frame, the inside of the carrying frame is provided with two lifting whiteboards in the up and down direction on one side, the inside of the carrying frame is provided with a carrying plate on the other side, and limiting holes are provided on the upper and lower ends of one side of the carrying plate, a display screen is fixedly installed on the front of the carrying plate, a projection board is fixedly installed on the back of the carrying plate, and rotating shafts are fixedly installed in the center of both sides of the carrying plate; the utility model described in the utility model A budget demonstration device can satisfy the needs of blackboard writing demonstration, display screen demonstration, projection demonstration and drawing demonstration through one device, and is convenient for switching between display screen demonstration and projection demonstration. The device has high compatibility and is convenient for flattening and fixing drawings. At the same time, the device has high stability during the demonstration. However, in actual use, when demonstrating small-sized paper drawings and information on the paper, due to the small size and small information on the drawings and paper, it is difficult for viewers to see the information on the drawings and paper during the demonstration, which reduces the demonstration effect and is not conducive to the use of budget demonstration. Therefore, a budget demonstration device is proposed. Utility Model Content

[0004] In view of this, the utility model provides a budget demonstration device to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the utility model is implemented as follows: a budget demonstration device comprises a demonstration mechanism, a framing mechanism and a supporting mechanism;

[0006] The demonstration mechanism further comprises a mounting frame, the framing mechanism is mounted on one side of the mounting frame, and the supporting mechanism is mounted on the bottom of the mounting frame;

[0007] A whiteboard is fixedly connected to one side of the interior of the installation frame, and two magnetic nails are symmetrically magnetically connected to the front surface of the whiteboard, and a paper is arranged between the magnetic nails and the whiteboard;

[0008] A fixing plate is symmetrically fixedly connected to one side of the mounting frame, a connecting rod is fixedly connected between the two fixing plates, an outer side wall of the connecting rod is sleeved with a first sleeve, an outer side wall of the first sleeve is fixedly connected with an L-shaped rod, an outer side wall of the L-shaped rod is sleeved with a second sleeve, and a camera is installed on the outer side wall of the second sleeve.

[0009] Further preferably, a display screen is installed on one side of the interior of the installation frame.

[0010] Further preferably, a lifting curtain is installed on the inner top wall of the installation frame.

[0011] Further preferably, a threaded hole is formed on the outer side wall of the first sleeve, and a hand-tightened bolt is threadedly connected to the inner side wall of the threaded hole.

[0012] Further preferably, a bottom plate is provided below the installation frame, and two electric push rods are symmetrically mounted on the upper surface of the bottom plate, and telescopic ends of the two electric push rods are fixedly connected to the lower surface of the installation frame.

[0013] Further preferably, a whiteboard eraser is provided on the inner bottom wall of the installation frame.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] When the utility model is used, the information on the paper is collected through the framing mechanism, and then the collected image is transmitted to the display screen for display, so that the information on the paper is conveniently displayed, thereby facilitating viewers to view the information on the paper and facilitating demonstration use.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a structural diagram of the budget demonstration device of the utility model;

[0019] Figure 2 For this utility model Figure 1 Another perspective structure diagram;

[0020] Figure 3 This is a structural diagram of the utility model when the lifting curtain is opened;

[0021] Figure 4 It is a structural diagram of the framing mechanism of the utility model.

[0022] Figure numerals: 1. demonstration mechanism; 11. installation frame; 12. whiteboard; 13. lifting curtain; 14. magnetic nail; 15. paper; 16. display screen; 2. viewfinder mechanism; 21. fixing plate; 22. connecting rod; 23. first sleeve; 24. L-shaped rod; 25. second sleeve; 26. camera; 27. threaded hole; 28. hand-tightening bolt; 3. supporting mechanism; 31. electric push rod; 32. bottom plate; 4. whiteboard eraser. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0025] like Figure 1-4 As shown, the embodiment of the utility model provides a budget demonstration device, including a demonstration mechanism 1, a framing mechanism 2 and a supporting mechanism 3;

[0026] The demonstration mechanism 1 further comprises a mounting frame 11, the framing mechanism 2 is mounted on one side of the mounting frame 11, and the supporting mechanism 3 is mounted on the bottom of the mounting frame 11;

[0027] A whiteboard 12 is fixedly connected to one side of the interior of the installation frame 11, and two magnetic pins 14 are symmetrically magnetically connected to the front surface of the whiteboard 12, and a paper 15 is provided between the magnetic pins 14 and the whiteboard 12;

[0028] A fixing plate 21 is symmetrically fixedly connected to one side of the mounting frame 11, a connecting rod 22 is fixedly connected between the two fixing plates 21, an outer wall of the connecting rod 22 is sleeved with a first sleeve 23, an outer wall of the first sleeve 23 is fixedly connected with an L-shaped rod 24, an outer wall of the L-shaped rod 24 is sleeved with a second sleeve 25, and a camera 26 is installed on the outer wall of the second sleeve 25.

[0029] In one embodiment, a display screen 16 is installed on one side of the interior of the installation frame 11; through the setting of the display screen 16, the display screen 16 is connected to the camera 26, and the camera 26 transmits the collected image to the display screen 16 for display, which is convenient for displaying the collected information and is conducive to demonstration.

[0030] In one embodiment, a lifting screen 13 is installed on the inner top wall of the installation frame 11; through the setting of the lifting screen 13, the lifting screen 13 is rolled up when not in use and does not block the display of the whiteboard 12 and the display screen 16. When in use, the lifting screen 13 is lowered for convenient projection.

[0031] In one embodiment, a threaded hole 27 is formed on the outer wall of the first sleeve 23, and a hand bolt 28 is threadedly connected to the inner wall of the threaded hole 27; through the provision of the hand bolt 28, after the first sleeve 23 is slid on the connecting rod 22 and its position is adjusted, the hand bolt 28 is rotated in the threaded hole 27 until one end of the hand bolt 28 is against the connecting rod 22, thereby fixing the position of the first sleeve 23.

[0032] In one embodiment, a base plate 32 is provided under the mounting frame 11, and two electric push rods 31 are symmetrically installed on the upper surface of the base plate 32, and the telescopic ends of the two electric push rods 31 are fixedly connected to the lower surface of the mounting frame 11; the mounting frame 11 is supported by the arrangement of the base plate 32 and the electric push rods 31, the base plate 32 improves the stability of the mounting frame 11, and the electric push rods 31 adjust the height of the mounting frame 11, thereby adapting to the demonstration of scenes of different heights.

[0033] In one embodiment, a whiteboard eraser 4 is disposed on the inner bottom wall of the mounting frame 11 ; through the provision of the whiteboard eraser 4 , when information written on the whiteboard 12 needs to be erased, the whiteboard eraser 4 scrapes the whiteboard 12 to erase it, making it convenient to clean the whiteboard 12 .

[0034] When the utility model is working: first, the utility model is moved to the use position, and then the electric push rod 31 is started according to the demonstration height, and the electric push rod 31 drives the installation frame 11 to move, so as to adjust the height of the whiteboard 12, the display screen 16 and the lifting screen 13 on the installation frame 11. When the whiteboard 12 needs to be used for demonstration, the demonstration information can be written on the whiteboard 12. When the display screen 16 needs to be used for demonstration, the demonstration information can be displayed on the display screen 16. When the lifting screen 13 is used, the lifting screen 13 is lowered to perform a projection demonstration. When the information on the paper 15 needs to be demonstrated, the font on the paper 15 is too small to be convenient for demonstration, and the paper 15 is lowered. The paper 15 is attached to the whiteboard 12 and then fixed by magnetic attraction through the magnetic nail 14. The position of the camera 26 is adjusted according to the position of the paper 15. The first sleeve 23 is slid and adjusted on the connecting rod 22. The hand screw 28 is rotated in the threaded hole 27 until one end of the hand screw 28 is against the connecting rod 22. The position of the first sleeve 23 is fixed. Then the second sleeve 25 is slid on the L-shaped rod 24 to adjust the position of the camera 26 until the camera 26 is adjusted to the front of the paper 15. The information on the paper 15 is collected, and then the collected image is transmitted to the display screen 16 for display, so as to display the information on the paper 15 conveniently and facilitate the use of budget demonstration.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A budget demonstration device, characterized in that: It comprises a demonstration mechanism (1), a framing mechanism (2) and a supporting mechanism (3); The demonstration mechanism (1) further comprises a mounting frame (11), the viewfinder mechanism (2) is mounted on one side of the mounting frame (11), and the support mechanism (3) is mounted on the bottom of the mounting frame (11); A whiteboard (12) is fixedly connected to one side of the interior of the installation frame (11); two magnetic nails (14) are symmetrically magnetically connected to the front surface of the whiteboard (12); and a paper (15) is provided between the magnetic nails (14) and the whiteboard (12); A fixing plate (21) is symmetrically fixedly connected to one side of the installation frame (11), a connecting rod (22) is fixedly connected between the two fixing plates (21), an outer wall of the connecting rod (22) is sleeved with a first sleeve (23), an outer wall of the first sleeve (23) is fixedly connected with an L-shaped rod (24), an outer wall of the L-shaped rod (24) is sleeved with a second sleeve (25), and a camera (26) is installed on the outer wall of the second sleeve (25).

2. A budget demonstration device according to claim 1, characterized in that: A display screen (16) is installed on one side of the interior of the installation frame (11).

3. A budget demonstration device according to claim 1, characterized in that: A lifting curtain (13) is installed on the inner top wall of the installation frame (11).

4. A budget demonstration device according to claim 1, characterized in that: The outer wall of the first sleeve (23) is provided with a threaded hole (27), and the inner wall of the threaded hole (27) is threadedly connected with a hand-tightened bolt (28).

5. A budget demonstration device according to claim 1, characterized in that: A bottom plate (32) is provided below the installation frame (11), and two electric push rods (31) are symmetrically mounted on the upper surface of the bottom plate (32), and the telescopic ends of the two electric push rods (31) are fixedly connected to the lower surface of the installation frame (11).

6. A budget demonstration device according to claim 1, characterized in that: The inner bottom wall of the installation frame (11) is provided with a whiteboard eraser (4).

Images