Demonstration board convenient to clean and used for construction cost consultation

Abstract

The utility model discloses a convenient-to-clean demonstration board for construction cost consultation, which relates to the technical field of demonstration boards and comprises a frame, a connecting shaft is movably connected to the middle of the left side and the right side of the inner wall of the frame, a display board is fixedly connected to the connecting shaft, and two groups of sliding grooves are formed in the front side and the rear side of the frame. The two sets of sliding grooves are located in the left side and the right side of the frame correspondingly, sliding blocks are slidably connected into the front sliding groove and the rear sliding groove correspondingly, a cleaning frame is fixedly connected between the left sliding block and the right sliding block, a wiping pad is fixedly connected to the side, close to the display board, of the cleaning frame, a bearing plate is fixedly connected to the lower side of the frame, and a blackboard eraser is placed on the upper side of the bearing plate. A support is fixedly connected to the lower side of the frame, universal wheels are fixedly connected to the lower side of the support, the upper side and the lower side of the display board are each provided with two sets of first grooves, and the inner walls of the upper side and the lower side of the frame are each provided with two sets of second grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of demonstration boards, in particular to a demonstration board for engineering cost consultation which is easy to clean. Background Art

[0002] The main tasks of engineering cost are: to calculate the direct costs, enterprise management fees, measures fees, fees, profits and taxes included in the project according to drawings, quotas and list specifications. In the process of engineering cost, it is necessary to prepare cost documents for each stage of the project, such as: investment estimate, design estimate, revised estimate, construction drawing budget, bidding control price (bill of quantities budget), bid quotation, project settlement, completion settlement, etc.

[0003] Since the scope of engineering cost budgeting is very broad and a lot of information is needed, a demonstration board that can demonstrate the engineering cost budgeting information and conduct explanations and writing is needed in the process of demonstrating the engineering cost budgeting results.

[0004] Since the area of ​​the demonstration board is limited, it needs to be constantly written and wiped. In particular, the wiping process is time-consuming, and the wiping effect is not good enough, which will affect the next writing. Therefore, it is necessary to design a demonstration board for engineering cost consulting that is easy to clean. Utility Model Content

[0005] The utility model aims to provide a demonstration board for engineering cost consultation which is easy to clean in view of the existing technical defects, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a demonstration board for engineering cost consultation that is easy to clean, comprising a frame, wherein a connecting shaft is movably connected to the middle of the left and right sides of the inner wall of the frame, and a display board is fixedly connected to the connecting shaft;

[0007] Two groups of slide grooves are provided on both the front and rear sides of the frame, and the two groups of slide grooves are respectively located on the left and right sides of the frame, and sliders are slidably connected in the front and rear groups of slide grooves, and a cleaning frame is fixedly connected between the left and right groups of sliders, and a wiping pad is fixedly connected to the cleaning frame near the display board;

[0008] A receiving plate is fixedly connected to the lower side of the frame, and an eraser is placed on the upper side of the receiving plate.

[0009] The utility model further illustrates that a bracket is fixedly connected to the lower side of the frame, and a universal wheel is fixedly connected to the lower side of the bracket.

[0010] The utility model further illustrates that two groups of grooves 1 are provided on the upper and lower sides of the display board, two groups of grooves 2 are provided on the upper and lower inner walls of the frame, the four groups of grooves 2 are fixedly connected with a spring 1 on the side away from the display board, the spring 1 is fixedly connected with a limiting block 1 close to the display board, the limiting block 1 is slidably connected in the groove 2, and the side of the limiting block 1 away from the spring 1 is clamped in the groove 1.

[0011] The utility model further illustrates that groove three is opened on both sides of the upper and lower ends of the front and rear two groups of sliding grooves, and groove four is opened on both sides of the left and right sides of the sliding block.

[0012] The utility model further illustrates that the groove four is slidably connected to the limiting block two, the limiting block two is fixedly connected to a side of the groove four close to the groove two, the spring two is fixedly connected in the groove four, and the limiting block two is clamped in the groove three.

[0013] The utility model further illustrates that the left and right sides of the front and rear cleaning racks are fixedly connected with gripping rods.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model, by providing a connecting shaft and an exhibition board, can perform writing demonstration through the front and rear sides of the exhibition board;

[0015] Slideways, sliders, cleaning racks and wiping pads are provided to quickly clean both sides of the display board;

[0016] Setting the eraser allows you to perform partial erasure and modification during a presentation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

[0019] Figure 2 It is a schematic diagram of the overall structure of the display board of the utility model after rotation;

[0020] Figure 3 The utility model Figure 2 A local enlarged structural diagram of region A;

[0021] Figure 4 It is a schematic diagram of the slider structure of the utility model;

[0022] In the figure: 1. frame; 2. connecting shaft; 3. display board; 4. bracket; 5. universal wheel; 6. receiving plate; 7. eraser; 8. groove one; 9. groove two; 10. spring one; 11. limit block one; 12. slide groove; 13. slide block; 14. cleaning rack; 15. groove three; 16. groove four; 17. limit block two; 18. spring two; 19. grip. DETAILED DESCRIPTION

[0023] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0024] See also Figure 1-4 The utility model provides a technical solution: a demonstration board for engineering cost consultation that is easy to clean, including a frame 1, a connecting shaft 2 is movably connected to the middle of the left and right sides of the inner wall of the frame 1, and a display board 3 is fixedly connected to the connecting shaft 2.

[0025] A bracket 4 is fixedly connected to the lower side of the frame 1, and a universal wheel 5 is fixedly connected to the lower side of the bracket 4 for easy movement.

[0026] A receiving plate 6 is fixedly connected to the lower side of the frame 1 , and an eraser 7 is placed on the upper side of the receiving plate 6 for erasing ink marks on the display board 3 .

[0027] Two groups of grooves 8 are provided on the upper and lower sides of the display board 3, and two groups of grooves 29 are provided on the inner walls on the upper and lower sides of the frame 1. The four groups of grooves 29 are fixedly connected with a spring 10 on the side away from the display board 3, and the spring 10 is fixedly connected with a limiting block 11 on the side close to the display board 3. The limiting block 11 is slidably connected in the groove 29, and the side of the limiting block 11 away from the spring 10 is clamped in the groove 8.

[0028] Two sets of slide grooves 12 are provided on both the front and rear sides of the frame 1, and the two sets of slide grooves 12 are respectively located on the left and right sides of the frame 1;

[0029] Slide blocks 13 are slidably connected in the front and rear slide grooves 12, a cleaning frame 14 is fixedly connected between the left and right slide blocks 13, and a wiping pad is fixedly connected to the cleaning frame 14 near the side of the display board 3 for cleaning ink marks on the display board 3.

[0030] The left and right sides of the upper and lower ends of the two groups of front and rear slide grooves 12 are provided with groove three 15, and the left and right sides of the slider 13 are provided with groove four 16;

[0031] The groove four 16 is slidably connected to the limit block two 17, and the limit block two 17 is fixedly connected to the side of the groove four 16 close to the groove four 16 with a spring two 18, the spring two 18 is fixedly connected in the groove four 16, and the limit block two 17 is clamped in the groove three 15, so as to fix the position of the cleaning frame 14 and prevent it from sliding during the use of the demonstration board.

[0032] The left and right sides of the front and rear cleaning racks 14 are fixedly connected with gripping rods 19 , so that the cleaning racks 14 can be moved by the gripping rods 19 to erase the display board 3 .

[0033] In this embodiment, the engineering cost consulting demonstration is performed by using a water-based erasable whiteboard pen on the front side of the display board 3. When the front side of the display board 3 is used, the information on the front side of the display board 3 needs to be used later and cannot be erased. At this time, the display board 3 is pressed to rotate the rear side of the display board 3 to the front side through the connecting shaft 2, and the engineering cost consulting demonstration is continued by using the water-based erasable whiteboard pen;

[0034] During the demonstration of engineering cost consultation, partial modification and erasure are performed by using the eraser 7;

[0035] After the engineering cost consulting demonstration is finished, the cleaning frame 14 is moved by moving the handles 19 at the front and back sides to erase the ink marks at the front and back sides of the display board 3 .

[0036] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0037] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A demonstration board for engineering cost consultation that is easy to clean, comprising a frame (1), characterized in that: A connecting shaft (2) is movably connected to the middle of the left and right sides of the inner wall of the frame (1), and an exhibition board (3) is fixedly connected to the connecting shaft (2); The frame (1) is provided with two groups of slide grooves (12) on both the front and rear sides. The two groups of slide grooves (12) are respectively located on the left and right sides of the frame (1). Slide blocks (13) are slidably connected in the front and rear groups of slide grooves (12). A cleaning frame (14) is fixedly connected between the left and right groups of slide blocks (13). A wiping pad is fixedly connected to the cleaning frame (14) on the side close to the display board (3). A receiving plate (6) is fixedly connected to the lower side of the frame (1), and an eraser (7) is placed on the upper side of the receiving plate (6).

2. The easy-to-clean demonstration board for engineering cost consultation according to claim 1, characterized in that: A bracket (4) is fixedly connected to the lower side of the frame (1), and a universal wheel (5) is fixedly connected to the lower side of the bracket (4).

3. The easy-to-clean demonstration board for engineering cost consultation according to claim 2, characterized in that: The display board (3) is provided with two groups of grooves one (8) on both upper and lower sides, and the inner walls of the frame (1) are provided with two groups of grooves two (9) on both upper and lower sides. The four groups of grooves two (9) are fixedly connected with springs one (10) on the side away from the display board (3), and the side of the spring one (10) close to the display board (3) is fixedly connected with a limiting block one (11), and the limiting block one (11) is slidably connected in the grooves two (9), and the side of the limiting block one (11) away from the spring one (10) is clamped in the groove one (8).

4. The demonstration board for engineering cost consultation that is easy to clean according to claim 3, characterized in that: The left and right sides of the upper and lower ends of the two groups of front and rear slide grooves (12) are both provided with groove three (15), and the left and right sides of the sliding block (13) are provided with groove four (16).

5. The demonstration board for engineering cost consultation that is easy to clean according to claim 4, characterized in that: The groove four (16) is slidably connected to the limit block two (17), and the limit block two (17) is fixedly connected to a spring two (18) on a side close to the groove four (16), and the spring two (18) is fixedly connected in the groove four (16), and the limit block two (17) is clamped in the groove three (15).

6. The easy-to-clean demonstration board for engineering cost consultation according to claim 5, characterized in that: The left and right sides of the front and rear cleaning racks (14) are both fixedly connected with gripping rods (19).

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