CN210896087U

CN210896087U - Building economic management teaching demonstration teaching aid

Info

Publication number: CN210896087U
Application number: CN201922117893.9U
Authority: CN
Inventors: 闫文波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-06-30
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a building economic management teaching demonstration teaching aid, including first fixed plate, the standing groove has been seted up to the upper end of first fixed plate, the cell wall bottom of standing groove has seted up flutedly, the cell wall of recess is provided with flexible support device, the anterior interlude of cell wall is connected with first bull stick about the standing groove, first bull stick runs through the right side cell wall front portion of standing groove and the first positive and negative motor of fixedly connected with, the surface middle part fixedly connected with demonstration board of first bull stick, the front end upper portion fixedly connected with writing area of demonstration board, the front end middle part of demonstration board is provided with cleaning device, the front end lower part of demonstration board is provided with the slip extrusion device. A building economy management teaching demonstration teaching aid, receive gravity through cleaning the strip and clean writing the district when down moving, need not artificially to clean and write the district, reduced work load, improved teaching efficiency.

Description

Building economic management teaching demonstration teaching aid

Technical Field

The utility model relates to a building economy management teaching technical field specifically is a building economy management teaching demonstration teaching aid.

Background

The building economy management teaching is that cultured building economy managers have strong professional skills, and need to be supported and cultured by corresponding subjects of universities and colleges to form building economy management subjects represented by engineering measurement and pricing theories, engineering economy theories, engineering project management theories and advanced management means and methods, so that a large number of high-quality and high-capacity compound talents are provided for government cost management departments, building enterprises and engineering consultation industries, and demonstration teaching aids are usually required in the teaching process.

The prior patent (publication number: CN 208766881U) discloses a teaching demonstration teaching aid for building economic management, which comprises a base, a bottom plate and a display plate, wherein the display plate comprises a first display plate and a second display plate, the bilateral symmetry of the upper surface of the base is provided with a telescopic rod, the top end of the telescopic rod is provided with the bottom plate, the rear side of the upper surface of the bottom plate is provided with the first display plate, the first display plate is perpendicular to the base, the upper surface of the bottom plate is movably provided with the second display plate, a rotating shaft is arranged inside the bottom plate, and the utility model discloses the people find that at least the following problems exist in the prior art and are not solved: 1. after the teaching demonstration teaching aid for building economic management is used, a writing area needs to be manually wiped, so that the workload of people is increased, and the teaching efficiency is further reduced; 2. the teaching aid for teaching and demonstrating the building economic management is too large in size, occupies too much building area and brings inconvenience to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building economic management teaching demonstration teaching aid to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a building economic management teaching demonstration teaching aid, includes first fixed plate, the standing groove has been seted up to the upper end of first fixed plate, the cell wall bottom of standing groove is seted up flutedly, the cell wall of recess is provided with flexible support device, the anterior interlude of cell wall is connected with first bull stick about the standing groove, first bull stick runs through the anterior and the first positive and negative motor of fixedly connected with of right side cell wall of standing groove, the surface middle part fixedly connected with demonstration board of first bull stick, the front end upper portion fixedly connected with of demonstration board writes the district, the front end middle part of demonstration board is provided with cleaning device, the front end lower part of demonstration board is provided with the slip extrusion device.

Preferably, the telescopic supporting device comprises a telescopic power machine and a telescopic rod, the telescopic rod is movably connected to the output end of the telescopic power machine, a supporting plate is fixedly mounted at the front end of the telescopic rod, and the telescopic power machine is fixedly connected to the rear groove wall of the groove to fixedly connect the telescopic supporting device with the first fixing plate.

Preferably, wiping arrangement is including placing the box, place the upper end of box and placed and clean the board, clean the strip that the equal fixedly connected with of rear end upper portion of board cleans a plurality of groups, clean a gag lever post of the equal fixedly connected with in lower extreme left part and the lower extreme right part of board, it will wipe arrangement and demonstration board fixed connection together to place box fixed connection in the front end middle part of demonstration board.

Preferably, the sliding extrusion device comprises a second fixing plate, the upper end middle part of the second fixing plate is fixedly connected with a second positive and negative motor, the output end of the second positive and negative motor is fixedly connected with a threaded rod, the outer surface middle part of the threaded rod is in threaded connection with a sliding plate, and the second fixing plate is fixedly connected with the sliding extrusion device and the demonstration plate at the lower part of the front end of the demonstration plate.

Preferably, the lower portion of the wiping device is in contact with the middle portion of the outer surface of the sliding pressing device.

Preferably, the length of the demonstration board is matched with the size of the placing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the writing area is cleaned through the cleaning strip, the sliding plate is driven to move downwards through the reverse direction movement of the second positive and negative motors, the cleaning plate is vertically moved downwards under the influence of gravity, the cleaning strip is driven to clean the writing area again, the writing area does not need to be cleaned manually, the workload is reduced, and the teaching efficiency is improved.

2. Drive the telescopic link shrink through flexible engine to break away from the demonstration board when driving the board of supporting and moving backward, drive first bull stick through first positive and negative motor and rotate, thereby drive the demonstration board and enter into the standing groove when rotating around first bull stick, reduced the whole size of demonstration teaching aid, conveniently preserve it, improved area of building's utilization ratio.

Drawings

FIG. 1 is a schematic view of the overall structure of a teaching aid for teaching and demonstrating architectural economic management of the present invention;

FIG. 2 is a schematic structural view of a wiping device of the teaching demonstration teaching aid for building economic management of the utility model;

FIG. 3 is a schematic structural view of a sliding extrusion device of the teaching demonstration teaching aid for building economic management of the present invention;

figure 4 is the utility model relates to a flexible supporting device schematic structure of building economy management teaching demonstration teaching aid.

In the figure: 1. a first fixing plate; 2. a placement groove; 3. a groove; 4. a telescopic supporting device; 5. a first rotating lever; 6. a first positive and negative motor; 7. a demonstration board; 8. a writing area; 9. a wiping device; 10. a sliding extrusion device; 41. a telescopic power machine; 42. a telescopic rod; 43. a support plate; 91. placing the box; 92. wiping the board; 93. a wiping strip; 94. a limiting rod; 101. a second fixing plate; 102. a second positive and negative motor; 103. a threaded rod; 104. a slide board.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a building economic management teaching demonstration teaching aid, including first fixed plate 1, standing groove 2 has been seted up to the upper end of first fixed plate 1, recess 3 has been seted up to the cell wall bottom of standing groove 2, the cell wall of recess 3 is provided with flexible strutting arrangement 4, the anterior interlude of cell wall is connected with first bull stick 5 about standing groove 2, first bull stick 5 runs through the anterior and first positive and negative motor 6 of fixedly connected with of right side cell wall of standing groove 2, the surface middle part fixedly connected with demonstration board 7 of first bull stick 5, the district 8 is write to the front end upper portion fixedly connected with of demonstration board 7, the front end middle part of demonstration board 7 is provided with wiping arrangement 9, the front end lower part of demonstration board 7 is provided with slip extrusion device 10.

The telescopic supporting device 4 comprises a telescopic power machine 41 and a telescopic rod 42, the telescopic power machine 41 is a power machine which can make the telescopic rod 42 in a telescopic and extension state, the telescopic rod 42 is movably connected with the output end of the telescopic power machine 41, the front end of the telescopic rod 42 is fixedly provided with a supporting plate 43, because the front side surface of the supporting plate 43 is an inclined surface and has a certain inclination angle, and the rear end of the demonstration plate 7 is provided with a triangular plate which is horizontal to the supporting plate 43, so that when the telescopic rod 42 pushes the supporting board 43 to move forward, the supporting board 43 extrudes the triangular board at the rear side of the demonstration board 7, one side surface of the triangular board has an inclination angle, the inclined surfaces at the two sides of the supporting board 43 and the triangular board are extruded with each other, therefore, the supporting plate 43 can support the demonstration plate 7, the stability of the demonstration plate 7 is improved, and the telescopic power machine 41 is fixedly connected to the rear side groove wall of the groove 3 to fixedly connect the telescopic supporting device 4 with the first fixing plate 1; the wiping device 9 comprises a placing box 91, a wiping plate 92 is placed at the upper end of the placing box 91, a plurality of groups of wiping strips 93 are fixedly connected to the upper portion of the rear end of the wiping plate 92, the wiping strips 93 are used for wiping the writing area 8, the operation is convenient and rapid, a limiting rod 94 is fixedly connected to the left portion of the lower end and the right portion of the lower end of the wiping plate 92, the limiting rod 94 limits the wiping plate 92 to prevent the wiping plate 92 from being separated from the placing box 91, and the placing box 91 is fixedly connected to the middle portion of the front end of the demonstration plate 7 to fixedly connect the wiping device 9 and the demonstration plate 7 together; the sliding extrusion device 10 comprises a second fixing plate 101, a second positive and negative motor 102 is fixedly connected to the middle of the upper end of the second fixing plate 101, a threaded rod 103 is fixedly connected to the output end of the second positive and negative motor 102, a sliding plate 104 is in threaded connection with the middle of the outer surface of the threaded rod 103, and the second fixing plate 101 is fixedly connected to the lower portion of the front end of the demonstration plate 7 to fixedly connect the sliding extrusion device 10 and the demonstration plate 7; the lower part of the wiping device 9 is contacted with the middle part of the outer surface of the sliding extrusion device 10; the length of the demonstration board 7 is matched with the size of the placing groove 2.

It should be noted that the utility model relates to a teaching demonstration teaching aid for building economic management, the threaded rod 103 is driven to rotate by the second positive and negative motor 102, thereby driving the sliding plate 104 to move upwards along the direction of the threaded rod 103, and further the limiting rods 94 at both sides are driven to move upwards to separate the wiping plate 92 from the placing box 91, then the wiping plate contacts with the writing area 8 when moving upwards, the writing area 8 is wiped by the wiping strip 93, the sliding plate 104 is driven to move downwards by the reverse motion of the second positive and negative motor 102, the wiping plate 92 is influenced by gravity to move vertically downwards, and further the wiping strip 93 is driven to wipe the writing area 8 again, the writing area 8 is not required to be wiped manually, the workload is reduced, the teaching efficiency is improved, the telescopic rod 42 is driven to shrink by the telescopic power machine 41, thereby the demonstration plate 7 is separated when the holding plate 43 is driven to move backwards, the first positive and negative motor 6 is used for driving the first rotating rod 5, thereby drive demonstration board 7 and enter into standing groove 2 when rotating around first bull stick 5, reduced the whole size of demonstration teaching aid, conveniently preserve it, improved the utilization ratio of building area.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a building economy management teaching demonstration teaching aid, includes first fixed plate (1), its characterized in that: the utility model discloses a demonstration board, including demonstration board (7), standing groove (2), recess (3), the cell wall bottom of standing groove (2), the cell wall of recess (3) is provided with flexible strutting arrangement (4), the anterior interlude of cell wall is connected with first bull stick (5) about standing groove (2), first bull stick (5) run through the right side cell wall front portion of standing groove (2) and first positive and negative motor (6) of fixedly connected with, the surface middle part fixedly connected with demonstration board (7) of first bull stick (5), demonstration board's (7) front end upper portion fixedly connected with writing area (8), the front end middle part of demonstration board (7) is provided with cleaning device (9), the front end lower part of demonstration board (7) is provided with slip extrusion device (10).

2. The architectural economic management teaching demonstration teaching aid of claim 1, characterized in that: the telescopic supporting device (4) comprises a telescopic power machine (41) and a telescopic rod (42), the telescopic rod (42) is movably connected to the output end of the telescopic power machine (41), a supporting plate (43) is fixedly mounted at the front end of the telescopic rod (42), and the telescopic power machine (41) is fixedly connected to the rear side groove wall of the groove (3) to fixedly connect the telescopic supporting device (4) with the first fixing plate (1).

3. The architectural economic management teaching demonstration teaching aid of claim 1, characterized in that: wiping arrangement (9) is including placing box (91), place the upper end of box (91) and placed wiping board (92), wiping strip (93) is cleaned on the equal fixedly connected with a plurality of groups in rear end upper portion of wiping board (92), wipe one gag lever post (94) of the equal fixedly connected with in lower extreme left part and the lower extreme right part of wiping board (92), place box (91) fixed connection and will wipe arrangement (9) and demonstration board (7) fixed connection together in the middle part of the front end of demonstration board (7).

4. The architectural economic management teaching demonstration teaching aid of claim 1, characterized in that: slide extrusion device (10) includes second fixed plate (101), the upper end middle part fixedly connected with second positive and negative motor (102) of second fixed plate (101), the output fixedly connected with threaded rod (103) of second positive and negative motor (102), the surface middle part threaded connection of threaded rod (103) has slide (104), second fixed plate (101) fixed connection will slide extrusion device (10) and demonstration board (7) fixed connection in the front end lower part of demonstration board (7).

5. The architectural economic management teaching demonstration teaching aid of claim 1, characterized in that: the lower part of the wiping device (9) is contacted with the middle part of the outer surface of the sliding extrusion device (10).

6. The architectural economic management teaching demonstration teaching aid of claim 1, characterized in that: the length of the demonstration board (7) is matched with the size of the placing groove (2).