CN211294336U

CN211294336U - Building engineering cost teaching presentation device

Info

Publication number: CN211294336U
Application number: CN202020164328.8U
Authority: CN
Inventors: 张豪; 张大龙; 朱立超
Original assignee: Henan Chenghui Engineering Management Co ltd
Current assignee: Henan Chenghui Engineering Management Co ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-08-18
Anticipated expiration: 2030-02-12

Abstract

The utility model discloses a building engineering cost teaching presentation device belongs to building engineering auxiliary device technical field. The utility model discloses a base plate, the equal fixedly connected with supporting leg in both sides at base plate top, the top fixedly connected with teaching presentation device body of supporting leg, the both sides of teaching presentation device body all are provided with the locating plate, the inboard fixedly connected with extension plate of locating plate, the inboard of extension plate runs through teaching presentation device body and extends to the inside fixedly connected with movable plate of teaching presentation device body. The utility model discloses a fixed column and position sleeve separation will be lengthened the board again and take out the volume that increases the teaching presentation device body to the effect that can adjust length has been reached. The utility model provides a current building engineering cost teaching presentation device can not adjust the problem of length.

Description

Building engineering cost teaching presentation device

Technical Field

The utility model belongs to the technical field of the building engineering auxiliary device, specifically be a building engineering cost teaching presentation device.

Background

Building engineering cost teaching presentation device is the required equipment that uses of building engineering, but current building engineering cost teaching presentation device can not adjust length, leads to the user to wipe data when writing full teaching presentation device with data and write the data in the back to unable effectual data presentation, thereby reduced building engineering cost teaching presentation device's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building engineering cost teaching presentation device possesses the advantage that can adjust length, has solved the problem that current building engineering cost teaching presentation device can not adjust length.

The utility model provides a following technical scheme: a construction engineering cost teaching demonstration device comprises a base plate, wherein supporting legs are fixedly connected to two sides of the top of the base plate, a teaching demonstration device body is fixedly connected to the tops of the supporting legs, positioning plates are arranged on two sides of the teaching demonstration device body, an extension plate is fixedly connected to the inner side of each positioning plate, the inner side of each extension plate penetrates through the teaching demonstration device body and extends to an inner fixedly connected movable plate of the teaching demonstration device body, a limiting plate is arranged inside the teaching demonstration device body, the front side and the back side of each limiting plate are fixedly connected with the front side and the back side of the inner wall of the teaching demonstration device body respectively, fixed plates are fixedly connected to two sides of the top and the bottom of each limiting plate respectively, a moving rod is connected to the inner side of each fixed plate in a sliding mode, a fixed column is fixedly connected to the outer side, one side that the position sleeve is close to the movable plate and movable plate fixed connection, the back fixedly connected with slurcam of carriage release lever, the back of slurcam runs through the teaching presentation device body and extends to the outside of teaching presentation device body.

The two sides of the bottom of the substrate are fixedly connected with connecting legs, and the bottoms of the connecting legs are movably connected with rollers.

The bottom fixedly connected with handle of locating plate, the surface of handle is provided with anti-skidding line.

The top and the bottom of movable plate all fixedly connected with slider, the spout has all been seted up to the both sides at teaching presentation device body inner wall top and bottom, slider and spout sliding connection.

The equal fixedly connected with guide block in both sides of carriage release lever, the guide way has been seted up to the inboard of fixed plate, guide block and guide way sliding connection.

The inner side of the moving rod is fixedly connected with a return spring, and the inner side of the return spring is fixedly connected with the limiting plate.

The utility model has the advantages as follows: 1. the utility model discloses a fixed column and position sleeve separation, will add the extension plate and take out the volume that increases the teaching presentation device body again, thereby reached the effect that can adjust length, the problem that current building engineering cost teaching presentation device can not adjust length has been solved, this building engineering cost teaching presentation device, possess the advantage that can adjust length, the user need not wipe data when writing full teaching presentation device with data and writing on the data at the back, thereby can effectually present data, thereby building engineering cost teaching presentation device's practicality has been improved. 2. The utility model discloses a set up connecting leg and gyro wheel, can remove the base plate, thereby the person of facilitating the use uses, through setting up the handle, can increase the area of contact between locating plate and the hand, thereby the person of facilitating the use pulls out the locating plate, through setting up slider and spout, can fix the movable plate, prevent that frictional phenomenon from appearing with the teaching presentation device body in movable plate, through setting up guide block and guide way, can protect the carriage release lever, prevent that frictional phenomenon from appearing with the fixed plate in carriage release lever, through setting up reset spring, can reset the carriage release lever, thereby the person of facilitating the use uses.

Drawings

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a rear view of the present invention shown in FIG. 1;

FIG. 3 is a front view of the structure of FIG. 1 according to the present invention;

fig. 4 is an enlarged structural view of a portion a in fig. 1 according to the present invention.

In the figure: the teaching demonstration device comprises a base plate 1, a teaching demonstration device body 2, a positioning plate 3, an extension plate 4, supporting legs 5, a movable plate 6, a limiting plate 7, a fixing plate 8, a moving rod 9, a fixing column 10, a positioning sleeve 11, a pushing plate 12, connecting legs 13, rollers 14, a handle 15, a sliding block 16, a sliding groove 17, a guide block 18, a guide groove 19 and a return spring 20.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, a building engineering cost teaching presentation device, including base plate 1, the equal fixedly connected with in both sides of base plate 1 bottom connects leg 13, the bottom swing joint of connecting leg 13 has gyro wheel 14, through setting up connecting leg 13 and gyro wheel 14, can remove base plate 1, thereby the person of facilitating the use uses, the equal fixedly connected with supporting leg 5 in both sides at 1 top of base plate, the top fixedly connected with teaching presentation device body 2 of supporting leg 5, the both sides of teaching presentation device body 2 all are provided with locating plate 3, the bottom fixedly connected with handle 15 of locating plate 3, the surface of handle 15 is provided with anti-skidding line, through setting up handle 15, can increase the area of contact between locating plate 3 and the hand, thereby the person of facilitating the use pulls out locating plate 3, the inboard fixedly connected with extension board 4 of locating plate 3, the inboard of extension board 4 runs through teaching presentation device body 2 and extends to the inside fixedly connected with 6 movable plate of teaching presentation device The top and the bottom of the movable plate 6 are both fixedly connected with a slide block 16, the top and the bottom of the inner wall of the teaching demonstration device body 2 are both provided with a slide groove 17, the slide block 16 is connected with the slide groove 17 in a sliding manner, the movable plate 6 can be fixed by arranging the slide block 16 and the slide groove 17, the phenomenon that the movable plate 6 is rubbed with the teaching demonstration device body 2 is prevented, a limit plate 7 is arranged inside the teaching demonstration device body 2, the front surface and the back surface of the limit plate 7 are respectively fixedly connected with the front surface and the back surface of the inner wall of the teaching demonstration device body 2, both sides of the top and the bottom of the limit plate 7 are both fixedly connected with a fixed plate 8, the inner side of the fixed plate 8 is connected with a movable rod 9 in a sliding manner, both sides of the movable rod 9 are both fixedly connected with guide blocks 18, the inner side of the fixed, can protect carriage release lever 9, prevent that frictional phenomenon from appearing in carriage release lever 9 and fixed plate 8, inboard fixedly connected with reset spring 20 of carriage release lever 9, reset spring 20's inboard and limiting plate 7 fixed connection, through setting up reset spring 20, can reset carriage release lever 9, thereby the person of facilitating the use uses, the outside fixedly connected with fixed column 10 of carriage release lever 9, the sliding surface connection of fixed column 10 has position sleeve 11, one side and the 6 fixed connection of movable plate 6 that position sleeve 11 is close to movable plate 6, the back fixedly connected with slurcam 12 of carriage release lever 9, the back of slurcam 12 runs through teaching presentation device body 2 and extends to the outside of teaching presentation device body 2. The fixed column 10 is separated from the locating sleeve 11, and the lengthened plate 4 is drawn out to increase the volume of the teaching demonstration device body 2, so that the effect of adjusting the length is achieved, the problem that the length of the existing construction engineering cost teaching demonstration device cannot be adjusted is solved, the construction engineering cost teaching demonstration device has the advantage of being capable of adjusting the length, a user does not need to erase data when the user fully writes the data on the teaching demonstration device and writes the data on the back, the data can be effectively presented, and the practicability of the construction engineering cost teaching demonstration device is improved.

During the use, through promoting slurcam 12, slurcam 12 drives the carriage release lever 12 and moves to the inboard, and carriage release lever 12 drives fixed column 10 and moves to the inboard, compresses reset spring 20 simultaneously, makes

fixed column

10 and 11 separations of position sleeve, manual pulling handle 15 again, and handle 15 drives 3 lateral shifting of locating plate, and locating plate 3 drives extension plate 4 lateral shifting, increases teaching presentation device body 2's area to the effect that can adjust length has been reached.

Claims

1. The utility model provides a building engineering cost teaching presentation device, includes base plate (1), its characterized in that: the teaching demonstration device comprises a base plate (1), supporting legs (5) and a teaching demonstration device body (2), wherein the supporting legs (5) are fixedly connected to the two sides of the top of the base plate (1), the teaching demonstration device body (2) is fixedly connected to the top of the supporting legs (5), positioning plates (3) are arranged on the two sides of the teaching demonstration device body (2), an elongated plate (4) is fixedly connected to the inner side of the positioning plate (3), the inner side of the elongated plate (4) penetrates through the teaching demonstration device body (2) and extends to the inner portion of the teaching demonstration device body (2) to be fixedly connected with a movable plate (6), a limiting plate (7) is arranged inside the teaching demonstration device body (2), the front side and the back side of the limiting plate (7) are fixedly connected with the front side and the back side of the inner wall of the teaching demonstration device body (2) respectively, fixing plates (8) are fixedly, the utility model discloses a teaching demonstration device, including transfer lever (9), the outside fixedly connected with fixed column (10) of transfer lever (9), the surperficial sliding connection of fixed column (10) has position sleeve (11), one side and movable plate (6) fixed connection that movable plate (6) are close to in position sleeve (11), the back fixedly connected with slurcam (12) of transfer lever (9), the back of slurcam (12) runs through teaching demonstration device body (2) and extends to the outside of teaching demonstration device body (2).

2. The construction cost teaching demonstration device according to claim 1, characterized in that: both sides of base plate (1) bottom all fixedly connected with connect leg (13), the bottom swing joint of connecting leg (13) has gyro wheel (14).

3. The construction cost teaching demonstration device according to claim 2, wherein: the bottom of the positioning plate (3) is fixedly connected with a handle (15), and anti-skid grains are arranged on the surface of the handle (15).

4. The construction cost teaching demonstration device according to claim 3, wherein: the top and the bottom of movable plate (6) are both fixedly connected with slide blocks (16), sliding grooves (17) are both formed in the top and the bottom of the inner wall of teaching demonstration device body (2), and slide blocks (16) are slidably connected with sliding grooves (17).

5. The construction cost teaching demonstration device according to claim 4, wherein: the equal fixedly connected with guide block (18) in both sides of carriage release lever (9), guide way (19) have been seted up to the inboard of fixed plate (8), guide block (18) and guide way (19) sliding connection.

6. The construction cost teaching demonstration device according to claim 5, wherein: the inner side of the moving rod (9) is fixedly connected with a return spring (20), and the inner side of the return spring (20) is fixedly connected with the limiting plate (7).