CN216494350U

CN216494350U - Building engineering cost budget demonstration board

Info

Publication number: CN216494350U
Application number: CN202121769212.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Ji Xuexia
Current assignee: Ji Xuexia
Priority date: 2021-08-01
Filing date: 2021-08-01
Publication date: 2022-05-13
Anticipated expiration: 2031-08-01

Abstract

The utility model relates to the technical field of demonstration boards, and discloses a construction cost budget demonstration board for building engineering, which comprises a demonstration board, wherein one side of the demonstration board is fixedly connected with a first short rod, one end of the first short rod is rotatably connected with a first sliding block, the first sliding block is slidably connected with an upper vertical sliding rail, the outer surface of the first sliding block is in close contact with the inner wall of the upper vertical sliding rail, one side of the demonstration board is fixedly connected with a second short rod, one end of the second short rod is rotatably connected with a second sliding block, the second sliding block is slidably connected with a short vertical sliding rail, the surface of the second sliding block is in close contact with the inner wall of the short vertical sliding rail, one side of the short vertical sliding rail is fixedly connected with a third short rod, one end of the third short rod is fixedly connected with a first sliding block, and the bottom of the upper vertical sliding rail is provided with a steering mechanism. The utility model realizes that the demonstration panel can move up and down and rotate back and forth while the demonstration panel deflects left and right by arranging the steering mechanism.

Description

Building engineering cost budget demonstration board

Technical Field

The utility model relates to the technical field of demonstration boards, in particular to a construction cost budget demonstration board for construction engineering.

Background

The construction cost generally refers to the cost for performing a certain project construction, i.e., the total cost from the project construction to the completion acceptance. It is composed of construction and installation engineering cost, equipment and tool purchase cost, other engineering construction cost, preparation cost and tax. And is divided into unit project cost, single project comprehensive cost and total construction project cost. The building engineering can be divided into three calculations: approximate calculation, construction drawing budget and completion settlement. The construction diagram budget is arranged one by one according to a design drawing, a cost general information price, a bidding document, a construction contract and a selected budget quota, a project amount list is calculated, and finally a total price of the construction project is calculated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a construction cost budget demonstration board for building engineering, which can achieve the purpose of freely adjusting the inclination angle of the demonstration board.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a building engineering cost budget demonstration board, includes the demonstration board, the first quarter butt of one side fixedly connected with of demonstration board, the one end of first quarter butt is rotated and is connected with first slider, first slider sliding connection has the last slide rail of erecting, the surface of first slider and the inner wall in close contact with of the last slide rail of erecting, one side fixedly connected with second quarter butt of demonstration board, the one end of second quarter butt is rotated and is connected with the second slider, slide rail is indulged to second slider sliding connection weak point, the surface of second slider and the inner wall in close contact with of the short slide rail of indulging, one side fixedly connected with third quarter butt of the short slide rail of indulging, the first slider of one end fixedly connected with of third quarter butt, the bottom of the last perpendicular slide rail is provided with steering mechanism.

Preferably, steering mechanism inhales piece, fixed pipe, kelly, draw-in groove, fixture block, spring, carousel, third slider, friction cover, long slide rail, cross slide rail, bracing piece, fourth slider of indulging including perpendicular slide rail, magnet down, magnet inhales the bottom of the last perpendicular slide rail at the top of piece fixed connection perpendicular slide rail down, kelly sliding connection is inside the fixed pipe, the draw-in groove is the annular and sets up at fixed intraductal wall middle part, fixture block fixed mounting is on the kelly surface, the spring housing is established on the kelly surface, the one end of spring and the side fixed connection of fixture block. The other end of spring and the inner wall fixed connection of draw-in groove, carousel fixed connection erects the bottom of slide rail under, the bottom of carousel and the top fixed connection of third slider, third slider sliding connection is inside long slide rail of indulging, friction cover fixed connection is on the surface of third slider, cross slide rail fixed connection is in the long side of indulging the slide rail, the inside sliding connection of cross slide rail has the fourth slider, the top fixedly connected with bracing piece of fourth slider, the top of bracing piece and the bottom fixed connection of fixed pipe.

Preferably, the cross section of the clamping rod is rectangular, the cross section of the clamping block is circular, and the surface of the clamping block is in close contact with the inner wall of the clamping groove.

Preferably, the number of the first sliding blocks is four, and the surfaces of the first sliding blocks and the third sliding blocks are respectively sleeved with a friction sleeve.

Preferably, the length of the clamping rod is greater than that of the fixed pipe, and two ends of the clamping rod penetrate through the bottom of the upper vertical sliding rail and the top of the lower vertical sliding rail.

Preferably, said short longitudinal slide railLength ofLess than twenty millimeters.

The utility model provides a construction cost budget demonstration board for construction engineering. The method has the following beneficial effects:

(1) the demonstration board is moved up and down through the matching of the vertical slide rail and the first slide block, the demonstration board is suitable for different occasions and different users, meanwhile, the bottom of the demonstration board is inclined backwards through the matching of the short vertical slide rail and the second slide block and the matching of the first slide block and the vertical slide rail by arranging the short vertical slide rail, so that the demonstration board is convenient for a seated audience to watch, and the demonstration content that the audience cannot see the demonstration board clearly due to the fact that the demonstration board reflects light is avoided due to strong light rays indoors and outdoors.

(2) The utility model realizes the left and right deviation of the demonstration panel by arranging the steering mechanism, and avoids that when strong light exists indoors and outdoors, audiences sitting on the side can not see the demonstration content of the demonstration panel because of light or window reflection.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the cooperation between the lower vertical slide rail and the long vertical slide rail according to the present invention;

FIG. 4 is a schematic view of a stationary tube configuration of the present invention;

FIG. 5 is a schematic view of a short longitudinal slide rail structure according to the present invention;

FIG. 6 is a schematic view of the upper vertical slide rail of the present invention;

figure 7 is a side view of a demonstration board of the present invention.

In the figure: 1. a demonstration board; 2. a first short bar; 3. a first slider; 4. an upper vertical slide rail; 5. a second short bar; 6. a second slider; 7. a short longitudinal slide rail; 8. a third short bar; 9. a steering mechanism; 901. a lower vertical slide rail; 902. a magnet attraction block; 903. a fixed tube; 904. a clamping rod; 905. a card slot; 906. a clamping block; 907. A spring; 908. a turntable; 909. a third slider; 910. a friction sleeve; 911. a long longitudinal slide rail; 912. a transverse slide rail; 913. a support bar; 914. and a fourth slide block.

Detailed Description

As shown in fig. 1 to 7, the present invention provides a technical solution: a construction engineering cost budget demonstration board comprises a demonstration board 1, wherein one side of the demonstration board 1 is fixedly connected with a first short rod 2, one end of the first short rod 2 is rotatably connected with a first sliding block 3, the number of the first sliding blocks 3 is four, the four first sliding blocks 3 limit the demonstration board 1 to prevent the demonstration board 1 from rotating without adjustment, friction sleeves 910 are sleeved on the surfaces of the first sliding blocks 3 and the third sliding blocks 909 to increase the friction force between the surfaces of the first sliding blocks 3 and the inner surfaces of the sliding rails and ensure that the first sliding blocks 3 and the third sliding blocks 909 cannot slide under the condition of not applying external force, the first sliding blocks 3 are slidably connected with an upper vertical sliding rail 4, the outer surface of the first sliding blocks 3 is tightly contacted with the inner wall of the upper vertical sliding rail 4, one side of the demonstration board 1 is fixedly connected with a second short rod 5, one end of the second short rod 5 is rotatably connected with a second sliding block 6, the second sliding block 6 is slidably connected with a short vertical sliding rail 7, the surface of the second slide block 6 is closely contacted with the inner wall of the short longitudinal slide rail 7Of sliding rails 7Length ofLess than twenty millimeters, on one hand, the phenomenon that the inclination angle of the demonstration board 1 is too large to cause the gravity center deviation of the whole device due to the overlong short longitudinal slide rail 7 is avoided, so that the standing is unstable, on the other hand, the demonstration board 1 does not need to rotate downwards too much to prevent audiences from seeing the content on the surface of the demonstration board 1, one side of the short longitudinal slide rail 7 is fixedly connected with a third short rod 8, one end of the third short rod 8 is fixedly connected with a first slide block 3, the up-and-down movement of the demonstration board 1 is realized through the matching of an upper vertical slide rail 4 and the first slide block 3, the device is suitable for different occasions and different users, meanwhile, the short longitudinal slide rail 7 is arranged, the backward tilting of the bottom of the demonstration board 1 is realized through the matching of the short longitudinal slide rail 7 and a second slide block 6 and the matching of the first slide block 3 and the upper vertical slide rail 4, the watching of the seated audiences is convenient, the situation is avoided that the contents cannot be seen clearly by the audiences due to the fact that the reflection of the demonstration board caused by strong light rays outside the room, the bottom of the upper vertical slide rail 4 is provided with a steering mechanism 9, the steering mechanism 9 comprises a lower vertical slide rail 901, a magnet absorption block 902, a fixed pipe 903, a clamping rod 904, a clamping groove 905, a clamping block 906, a spring 907, a rotating disc 908, a third sliding block 909, a friction sleeve 910, a long vertical slide rail 911, a transverse slide rail 912, a supporting rod 913 and a fourth sliding block 914, the magnet absorption block 902 is fixedly connected with the bottom of the upper vertical slide rail 4 at the top of the lower vertical slide rail 901, the clamping rod 904 is slidably connected inside the fixed pipe 903, the cross section of the clamping rod 904 is rectangular, the cross section of the clamping block 906 is circular, the surface of the clamping block 906 is in close contact with the inner wall of the clamping groove 905, the clamping rod 906 with the rectangular cross section ensures that the sliding rail 4 and the lower vertical slide rail 901 cannot rotate, the length of the clamping rod 904 is greater than that of the fixed pipe 903, and two ends of the clamping rod 904 penetrate through the bottom of the upper vertical slide rail 4 and the top of the lower vertical slide rail 901, the clamping groove 905 is annularly formed in the middle of the inner wall of the fixing pipe 903, the clamping block 906 is fixedly installed on the surface of the clamping rod 904, the spring 907 is sleeved on the surface of the clamping rod 904, and one end of the spring 907 is fixedly connected with the side face of the clamping block 906. The other end of the spring 907 is fixedly connected with the inner wall of the clamping groove 905, the rotating disc 908 is fixedly connected with the bottom of the lower vertical sliding rail 901, the bottom of the rotating disc 908 is fixedly connected with the top of a third sliding block 909, the third sliding block 909 is slidably connected inside the long vertical sliding rail 911, the friction sleeve 910 is fixedly connected with the surface of the third sliding block 909, and the horizontal sliding rail 912 is fixedly connected with the long vertical sliding railThe side of rail 911, the inside sliding connection of horizontal slide rail 912 has fourth slider 914, and the top fixedly connected with bracing piece 913 of fourth slider 914, the top of bracing piece 913 and the bottom fixed connection of fixed pipe 903, through setting up steering mechanism 9, realize demonstration panel 1's left and right sides erroneous tendency, avoid having the highlight indoor outdoor, the spectator of sitting in the side sees the demonstration content that demonstrates board 1 clearly because light or window reflection of light.

When the demonstration board is used, demonstration contents are written on the surface of the demonstration board, when people need to show the demonstration board to a distance, the demonstration board 1 is dragged to move upwards, the first short rod 2 on the side surface of the demonstration board 1 drives the first sliding block 3 to move upwards, and when the demonstration board reaches a required height, hands are released, the friction sleeve 910 on the surface of the sliding block and the inner wall friction force of the upper vertical sliding rail 4 support the demonstration board 1 to not slide downwards, when the demonstration board contents need to be shown to the left and the right, the clamping rod 904 is pulled, the clamping rod 904 drives the clamping block 906 to move the compression spring 907, so that the other end of the clamping rod 904 is separated from the connecting holes of the upper vertical sliding rail 4 and the lower vertical sliding rail 901, then the demonstration board 1 is moved backwards, then the third sliding block 909 moves backwards in the long vertical sliding rail 911, meanwhile, the upper vertical sliding rail 4 drives the fixing pipe 903 to move, the fixing pipe 903 drives the supporting rod 913 to move, the supporting rod 903 drives the fourth sliding block 914 to move through the turntable 908, and the fourth sliding block 914 moves towards the direction of the demonstration board 1, finally, the demonstration board 1 is turned left and right, when the demonstration board is to be restored, the clamping rod 904 is still pulled, then the demonstration board 1 is turned back, the clamping rod 904 is released after the magnet absorption blocks 902 are overlapped, the reset spring 907 pushes the clamping rod 904 through the clamping block 906, one end of the movable clamping rod 904 penetrates through the upper vertical sliding rail 4 and the lower vertical sliding rail 901, and the upper vertical sliding rail and the lower vertical sliding rail are innovatively limited.

In conclusion, the multi-freedom-degree adjustable demonstration board is simple in structure, can achieve multi-freedom-degree adjustment of the demonstration board, is more wide in application occasions compared with common demonstration boards, and is beneficial to popularization.

Claims

1. The utility model provides a building engineering cost budget demonstration board, includes demonstration board (1), its characterized in that: one side of the demonstration board (1) is fixedly connected with a first short rod (2), one end of the first short rod (2) is rotatably connected with a first sliding block (3), the first sliding block (3) is connected with an upper vertical sliding rail (4) in a sliding way, the outer surface of the first sliding block (3) is tightly contacted with the inner wall of the upper vertical sliding rail (4), one side of the demonstration board (1) is fixedly connected with a second short rod (5), one end of the second short rod (5) is rotatably connected with a second sliding block (6), the second sliding block (6) is connected with a short longitudinal sliding rail (7) in a sliding way, the surface of the second sliding block (6) is tightly contacted with the inner wall of the short longitudinal sliding rail (7), one side of the short longitudinal slide rail (7) is fixedly connected with a third short rod (8), one end of the third short rod (8) is fixedly connected with a first sliding block (3), and the bottom of the upper vertical sliding rail (4) is provided with a steering mechanism (9).

2. A construction cost budget demonstration board according to claim 1, characterized in that: the steering mechanism (9) comprises a lower vertical slide rail (901), a magnet absorption block (902), a fixed pipe (903), a clamping rod (904), a clamping groove (905), a clamping block (906), a spring (907), a rotating disc (908), a third slide block (909), a friction sleeve (910), a long vertical slide rail (911), a transverse slide rail (912), a support rod (913) and a fourth slide block (914), the magnet absorption block (902) is fixedly connected to the bottom of an upper vertical slide rail (4) at the top of the lower vertical slide rail (901), the clamping rod (904) is slidably connected to the inside of the fixed pipe (903), the clamping groove (905) is annularly arranged in the middle of the inner wall of the fixed pipe (903), the clamping block (906) is fixedly installed on the surface of the clamping rod (904), the spring (907) is sleeved on the surface of the clamping rod (904), one end of the spring (907) is fixedly connected with the side face of the clamping block (906), and the other end of the spring (907) is fixedly connected with the inner wall of the clamping groove (905), the sliding mechanism is characterized in that the rotary disc (908) is fixedly connected to the bottom of the lower vertical sliding rail (901), the bottom of the rotary disc (908) is fixedly connected to the top of the third sliding block (909), the third sliding block (909) is slidably connected to the inside of the long vertical sliding rail (911), the friction sleeve (910) is fixedly connected to the surface of the third sliding block (909), the horizontal sliding rail (912) is fixedly connected to the side face of the long vertical sliding rail (911), the inside of the horizontal sliding rail (912) is slidably connected with the fourth sliding block (914), the top of the fourth sliding block (914) is fixedly connected with the supporting rod (913), and the top of the supporting rod (913) is fixedly connected to the bottom of the fixed pipe (903).

3. A construction cost budget demonstration board according to claim 2, characterized in that: the cross section of the clamping rod (904) is rectangular, the cross section of the clamping block (906) is circular, and the surface of the clamping block (906) is in close contact with the inner wall of the clamping groove (905).

4. A construction cost budget demonstration board according to claim 1, characterized in that: the number of the first sliding blocks (3) is four, and friction sleeves (910) are sleeved on the surfaces of the first sliding blocks (3) and the third sliding blocks (909).

5. A construction cost budget demonstration board according to claim 2, characterized in that: the length of the clamping rod (904) is larger than that of the fixing pipe (903), and two ends of the clamping rod (904) penetrate through the bottom of the upper vertical sliding rail (4) and the top of the lower vertical sliding rail (901).

6. A construction cost budget demonstration board according to claim 1, characterized in that: of said short longitudinal slide (7)Length ofLess than twenty millimeters.