CN219225853U

CN219225853U - Engineering cost presentation device

Info

Publication number: CN219225853U
Application number: CN202320457019.3U
Authority: CN
Inventors: 耿俊虎; 厉绍燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-06-20
Anticipated expiration: 2033-03-11

Abstract

The utility model discloses an engineering cost demonstration device, which comprises a demonstration board, wherein the upper end and the lower end of the demonstration board are respectively provided with a storage mechanism for reserving important demonstration processes, the storage mechanism comprises a storage groove, the storage groove is formed in the upper end and the lower end of the demonstration board, lifting boards are movably arranged in the storage groove, the contact positions of the lifting boards and the demonstration board are respectively provided with a fixing mechanism, lifting boards for increasing the writing area of the demonstration board are respectively arranged at the upper end and the lower end of the demonstration board, and the lifting boards are used for moving in the storage groove, so that watching and learning can be reserved for a period of time when the demonstration boards are in face of some important and common demonstration contents, and the demonstration efficiency is improved.

Description

Engineering cost presentation device

Technical Field

The utility model relates to the field of engineering cost, in particular to an engineering cost demonstration device.

Background

The construction cost is the construction price of the project. Three elements of engineering pricing: quantity, price, fee. The project cost refers to the total cost of performing a certain project construction, and the core content of the project cost is investment estimation, design overview, correction overview, construction drawing budget, project settlement, completion resolution and the like. The main task of the engineering cost is as follows: according to the drawing, quota and list specification, the direct fee (manual, material and equipment, construction equipment use), enterprise management fee, measure fee, gauge fee, profit and tax etc. contained in the engineering are calculated, and when the engineering cost is demonstrated, the demonstration device is needed to demonstrate.

The utility model discloses a construction engineering cost demonstration device, wherein the construction engineering cost demonstration device is disclosed by the utility model with the authority bulletin number of CN216610651U, and the demonstration mechanism can be rotated in the demonstration process, so that the demonstration mechanism can be used for demonstration, the demonstration writing area is improved, the use effect of the demonstration device is effectively improved, the upper and lower heights of the demonstration mechanism can be adjusted according to the requirement, the use requirement of demonstration personnel can be effectively met, and the demonstration effect is effectively improved.

This prior art also has the following problems when in use:

however, when the next section of demonstration content is required to be written, the content on the demonstration board is often erased, so that watching learning cannot be carried out for a period of time when the demonstration content is important and commonly used, and demonstration efficiency is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a project cost demonstration device which can solve the technical problems that when the next section of demonstration content is needed to be written, the content on a demonstration board is often erased, so that the demonstration board cannot be kept for a period of time for watching and learning when the demonstration content is important and commonly used.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a engineering cost presentation device, includes the demonstration board, the upper and lower both ends of demonstration board all are provided with the storage mechanism that keeps important demonstration process, storage mechanism is including accomodating the groove, accomodates the groove and offer at the upper and lower both ends of demonstration board, and the inside activity of accomodating the groove is provided with the lifter plate, and the contact department of lifter plate and demonstration board is provided with fixed establishment.

As a preferable technical scheme of the utility model, the fixing mechanism comprises a groove, the groove is formed on the two side surfaces of the lifting plate, the inner wall of the groove is connected with an elastic piece, the other end of the elastic piece is connected with a fixing rod, the other end of the fixing rod is provided with a rotating rod, the rotating mechanism is movably arranged between the fixing rod and the rotating rod, a clamping block is arranged outside the rotating rod, through grooves are formed on the two side surfaces of the lifting plate, clamping grooves are formed in the lifting plate and between the through grooves and the fixing rod, and a limiting groove is formed in the inner wall of the storage groove.

As a preferable technical scheme of the utility model, the rotating mechanism consists of a connecting rod, a first cylindrical groove, a limiting column and a second cylindrical groove, wherein the connecting rod is arranged between the rotating rod and the fixed rod and is positioned at one end of the rotating rod, the first cylindrical groove is formed in one side surface of the fixed rod, the other end of the connecting rod is provided with the limiting column, the second cylindrical groove is formed in the fixed rod, and the limiting column is arranged in the second cylindrical groove.

As a preferable technical scheme of the utility model, the rear end surface of the lifting plate is provided with a fixing strip, and the inner wall of the storage groove is provided with a sliding groove.

As a preferable technical scheme of the utility model, a handle is arranged at the top end of the lifting plate.

As a preferable technical scheme of the utility model, a plurality of fixing mechanisms are arranged, and the fixing mechanisms are symmetrically distributed along the symmetry axis of the lifting plate.

Compared with the prior art, the utility model has the following beneficial effects:

through all being provided with the lifter plate that is used for increasing demonstration board writing area at the upper and lower both ends of demonstration board, utilize the lifter plate to accomodate the inslot portion activity to the realization can keep a period to watch the study when facing some important and commonly used demonstration content, and then has improved demonstration efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall construction of the construction cost demonstration device of the present utility model;

FIG. 2 is a schematic cross-sectional view of a construction cost demonstration device of the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a demonstration board of the construction cost demonstration device of the present utility model;

FIG. 4 is a schematic diagram of a cross-sectional structure of a demonstration board of the construction cost demonstration device of the present utility model;

FIG. 5 is a schematic view of a part of the structure of the fixing mechanism of the construction cost demonstrating device of the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 7 is an enlarged partial schematic view of the structure of FIG. 4B according to the present utility model;

wherein: 1. a demonstration board; 2. a storage mechanism; 21. a storage groove; 22. a lifting plate; 23. a fixing mechanism; 231. a groove; 232. an elastic member; 233. a fixed rod; 234. a rotating lever; 235. a clamping block; 236. a through groove; 237. a limit groove; 238. a clamping groove; 239. a rotating mechanism; 2391. a connecting rod; 2392. a first cylindrical groove; 2393. a limit column; 2394. a second cylindrical groove; 24. a chute; 25. and (5) a handle.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1-7, the present utility model provides a construction cost demonstration device, which comprises a demonstration board 1, wherein the upper and lower ends of the demonstration board 1 are provided with a storage mechanism 2 for retaining important demonstration processes, the storage mechanism 2 comprises a storage groove 21, the storage groove 21 is arranged at the upper and lower ends of the demonstration board 1, a lifting board 22 is movably arranged in the storage groove 21, and a fixing mechanism 23 is arranged at the contact position of the lifting board 22 and the demonstration board 1;

through the lifting plates 22 which are used for increasing the writing area of the demonstration board 1 are arranged at the upper end and the lower end of the demonstration board 1, the lifting plates 22 are utilized to move in the storage groove 21, so that watching and learning can be carried out for a period of time when the demonstration contents which are important and commonly used are faced, and the demonstration efficiency is improved;

as shown in fig. 5-7, the fixing mechanism 23 includes a groove 231, the groove 231 is formed on two side surfaces of the lifting plate 22, an elastic member 232 is connected to an inner wall of the groove 231, the elastic member 232 is a spring, the other end of the elastic member 232 is connected to a fixing rod 233, a rotating rod 234 is arranged at the other end of the fixing rod 233, a rotating mechanism 239 is movably arranged between the fixing rod 233 and the rotating rod 234, a clamping block 235 is arranged outside the rotating rod 234, through grooves 236 are formed on two side surfaces of the lifting plate 22 along the inner extension of the groove 231, a clamping groove 238 is formed inside the lifting plate 22 and between the through grooves 236 and the fixing rod 233, and a limiting groove 237 matched with the rotating rod 234 is formed at the position, close to the top end, of the inner wall of the storage groove 21;

a rotatable rotating mechanism 239 is arranged between the rotating rod 234 and the fixed rod 233, so that the rotating rod 234 is ensured not to drive the fixed rod 233 and the elastic piece 232 to rotate;

as shown in fig. 6, the rotation mechanism 239 is composed of a connecting rod 2391, a first cylindrical groove 2392, a limiting post 2393 and a second cylindrical groove 2394, wherein the connecting rod 2391 is disposed between the rotation rod 234 and the fixed rod 233 and is located at one end of the rotation rod 234, the first cylindrical groove 2392 is disposed on one side surface of the fixed rod 233, the other end of the connecting rod 2391 is provided with the limiting post 2393, the second cylindrical groove 2394 is disposed inside the fixed rod 233, and the limiting post 2393 is disposed inside the second cylindrical groove 2394;

the outer surface size of the connecting rod 2391 is slightly smaller than the inner surface size of the first cylindrical groove 2392, the outer surface size of the limiting post 2393 is slightly larger than the inner surface size of the first cylindrical groove 2392, and the outer surface size of the limiting post 2393 is smaller than the inner surface size of the second cylindrical groove 2394;

as shown in fig. 1-3, the rear end surface of the lifting plate 22 is provided with a fixing strip, and the inner wall of the containing groove 21 is provided with a sliding groove 24;

a fixing strip is arranged at the rear end of the lifting plate 22, and a sliding groove 24 matched with the fixing strip is arranged on the inner wall of the accommodating groove 21 so as to ensure that the lifting plate 22 is not rocked integrally when being taken out;

as shown in fig. 1-2, the top end of the lifting plate 22 is provided with a handle 25;

a handle 25 is provided at the top end of the lifting plate 22 to facilitate the removal of the lifting plate 22;

as shown in fig. 2, the fixing mechanisms 23 are provided in a plurality, and the fixing mechanisms 23 are symmetrically distributed along the symmetry axis of the lifting plate 22;

the fixing mechanism 23 is provided in plurality, thereby ensuring that the lifting plate 22 can extend out of different areas.

The specific working principle is as follows:

when the user wants to hold a certain important and common demonstration content for watching and learning, the user pulls the handle 25, so that the lifting plate 22 extends out of the storage groove 21 until the user is at a specified position, the rotating rod 234 is pressed and rotated, the rotating rod 234 drives the clamping block 235 to rotate from the clamping groove 238 until the clamping block 235 slides from the track of the through groove 236, the rotating rod 234 is loosened, the elastic piece 232 pushes the fixing rod 233, the rotating rod 234 and the clamping block 235 until the rotating rod 234 and the clamping block 235 are clamped and extruded in the limiting groove 237, and watching and learning for a certain period of time can be reserved when the user faces a certain important and common demonstration content, and therefore demonstration efficiency is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a engineering cost presentation device, includes demonstration board (1), its characterized in that: the upper end and the lower end of the demonstration board (1) are respectively provided with a containing mechanism (2) for keeping important demonstration processes, the containing mechanism (2) comprises a containing groove (21), the storage groove (21) is formed in the upper end and the lower end of the demonstration board (1), the lifting board (22) is movably arranged in the storage groove (21), and a fixing mechanism (23) is arranged at the contact position of the lifting board (22) and the demonstration board (1).

2. A construction cost demonstration device according to claim 1 wherein: the fixing mechanism (23) comprises a groove (231), the groove (231) is formed in the surfaces of the two sides of the lifting plate (22), an elastic piece (232) is connected to the inner wall of the groove (231), the other end of the elastic piece (232) is connected with a fixing rod (233), a rotating rod (234) is arranged at the other end of the fixing rod (233), a rotating mechanism (239) is movably arranged between the fixing rod (233) and the rotating rod (234), a clamping block (235) is arranged outside the rotating rod (234), through grooves (236) are formed in the surfaces of the two sides of the lifting plate (22), clamping grooves (238) are formed in the lifting plate (22) and between the through grooves (236) and the fixing rod (233), and limiting grooves (237) are formed in the inner wall of the storage groove (21).

3. A construction cost demonstration device according to claim 2 wherein: the rotating mechanism (239) is composed of a connecting rod (2391), a first cylindrical groove (2392), a limiting column (2393) and a second cylindrical groove (2394), wherein the connecting rod (2391) is arranged between the rotating rod (234) and the fixed rod (233) and located at one end of the rotating rod (234), the first cylindrical groove (2392) is formed in one side surface of the fixed rod (233), the other end of the connecting rod (2391) is provided with the limiting column (2393), the second cylindrical groove (2394) is formed in the fixed rod (233), and the limiting column (2393) is arranged in the second cylindrical groove (2394).

4. A construction cost demonstration device according to claim 1 wherein: the rear end surface of the lifting plate (22) is provided with a fixing strip, and the inner wall of the storage groove (21) is provided with a sliding groove (24).

5. A construction cost demonstration device according to claim 1 wherein: a handle (25) is arranged at the top end of the lifting plate (22).

6. A construction cost demonstration device according to claim 1 wherein: the fixing mechanisms (23) are arranged in a plurality, and the fixing mechanisms (23) are symmetrically distributed along the symmetry axis of the lifting plate (22).