CN211015954U - A presentation board for financial and economic analysis - Google Patents

Abstract

The utility model relates to a demonstration board technical field just discloses a finance economic analysis is with demonstration board, the on-line screen storage device comprises a base, the top fixed mounting of base has the lower casing pipe, first lifter has been cup jointed in the inside activity of lower casing pipe, the upper end fixed mounting of lower casing pipe has fastening screw, the upper end activity of first lifter is cup jointed in the inside of last sheathed tube, go up sheathed tube upper end fixed mounting and have fastening screw, it has the connecting block to go up sheathed tube top fixed mounting, connecting block fixed mounting is in the bottom of demonstration board. The utility model discloses a change into inside cavity and the inside projection curtain that can hide of installation into with the demonstration board, go up and down to the projection curtain through the lift, accomplish the expansion and pack up of projection curtain, be convenient for carry out the demonstration board simultaneously and write and the play of projection curtain, and rotate demonstration board bottom and install on the base, rotate through the lug, be convenient for carry out the rotation of full angle to the demonstration board, satisfy not equidirectional demand.

Description

A presentation board for financial and economic analysis

technical field

The utility model relates to the technical field of demonstration boards, in particular to a demonstration board for financial economic analysis.

Background technique

The display board is used in the process of financial and economic analysis. The economic analyst needs to frequently show the charts and sample materials prepared in advance to everyone, and teachers will need many display boards when using the display board. The operation is complicated and the visual effect is poor, which is very inconvenient. It is convenient for teachers to replace the display board, which requires writing on the demo board and playing the screen at the same time. Generally, the demo board is relatively bulky, difficult to move, and cannot be rotated. It can only be viewed in one direction, which is not conducive to the use of the demo board.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a demonstration board for financial economic analysis, which has the advantages of simultaneously performing writing on the demonstration board and playing the screen, the screen can be hidden, and the board can be rotated, and the above background is solved. Issues mentioned in the technology.

The utility model provides the following technical solutions: a demonstration board for financial and economic analysis, comprising a base, a lower casing is fixedly installed on the upper part of the base, and a first lifting rod is movably sleeved inside the lower casing; The upper end of the lower sleeve is fixedly installed with a fastening screw, the upper end of the first lifting rod is movably sleeved inside the upper sleeve, the upper end of the upper sleeve is fixedly installed with a fastening screw, and the upper end of the upper sleeve is fixedly installed with a fastening screw. A connection block is fixedly installed at the top, the connection block is fixedly installed at the bottom of the demo board, a baffle is fixedly installed on the top of the demo board, and a slide rail is fixedly installed below the baffle, and the slide rail is connected to the projection screen. Fixed connection, the slide rail is movably sleeved inside the demo board, the projection screen is movably installed inside the demo board, the top of the baffle is fixedly installed with a connecting board, and the bottom of the connecting board is fixedly installed on the On the movable rod, the upper movable rod is movably sleeved with the second lifting rod, the bottom of the second lifting rod is movably sleeved inside the lower movable rod, the lower movable rod is fixedly installed on the lift, and the lift is fixed It is installed on the back of the demo board, and a bump is movably installed inside the base, and the bump is fixedly installed at the bottom of the lower sleeve.

Selected, the inner side wall of the demo board is provided with a groove matching with the slide rail, the length value of the slide rail and the projection screen is less than the length value of the demo board, and the width value of the baffle and the demo board is the same as that of the demo board. The length values are all the same.

Selectively, a protrusion block is provided in the middle of the protrusion, a groove is hollowed in the interior of the base, and the diameter of the groove opened in the base is larger than the diameter value of the protrusion block in the middle of the protrusion.

Selectively, the connecting block is an L-mounted cylindrical block.

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

1. The utility model changes the demo board into a hollow interior and installs a concealable projection screen inside, and lifts and lowers the projection screen by means of a lift to complete the unfolding and retracting of the projection screen, which is convenient for simultaneously writing on the demo board and playing the screening screen. , and the bottom of the demo board is rotated and installed on the base, and rotated through the bumps, so that the demo board can be rotated at all angles to meet the needs of different directions.

2. The passing device of the present utility model is mainly composed of a base, a lower casing, an upper casing, a demonstration board and a connecting plate, and the structure is simple, which is convenient for splicing, and the demonstration board and the projection screen can be retracted together, saving space.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the rear view of the structure of the utility model;

3 is a schematic diagram of a demonstration board of the present invention;

Figure 4 is a schematic diagram of the base of the present invention.

In the picture: 1. Base; 2. Lower casing; 3. Upper casing; 4. The first lifting rod; 5. Fastening screws; 6. Connecting block; 7. Demonstration board; 8. Baffle plate; 9. Slider rail; 10, projection screen; 11, connecting plate; 12, upper movable rod; 13, second lifting rod; 14, lower movable rod; 15, elevator; 16, bump.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-4, a demonstration board for financial and economic analysis, including a base 1, a lower casing 2 is fixedly installed above the base 1, and a first lifting rod 4 is connected to the inner movable sleeve of the lower casing 2. The upper end of the pipe 2 is fixedly installed with a fastening screw 5, the upper end of the first lifting rod 4 is movably sleeved inside the upper sleeve 3, the upper end of the upper sleeve 3 is fixedly installed with a fastening screw 5, and the top of the upper sleeve 3 is fixedly installed. A connecting block 6 is fixedly installed, and the connecting block 6 is an L-mounted cylindrical block, which is convenient for the connecting block 6 to support 7 and 15. The connecting block 6 is fixedly installed at the bottom of the demo board 7, and the top of the demo board 7 is fixedly installed with a baffle 8 , the lower part 9 of the baffle 8 is fixedly installed with the slide rail 9, and the inner side wall of the demo board 7 has a groove that matches the slide rail 9, which is convenient for the slide rail to move up and down on the inner wall of 7, and the slide rail 9 and the projection screen 10 The length value is less than the length value of the demo board 7, and the width and length of the baffle 8 and the demo board 7 are the same. The projection screen 10 is lifted and lowered to complete the unfolding and retracting of the projection screen 10, which is convenient for writing on the demo board 7 and playing the screening screen 10 at the same time. Inside, it is ensured that the projection screen 10 is kept flat inside 7, the projection screen 10 is movably installed inside the demo board 7, the top of the baffle 8 is fixedly installed with the connecting plate 11, and the bottom of the connecting plate 11 is fixedly installed on the upper movable rod 12, The upper movable rod 12 is movably sleeved with the second lifting rod 13, the bottom of the second lifting rod 13 is movably sleeved inside the lower movable rod 14, the lower movable rod 14 is fixedly installed on the lifter 15, and the lifter 15 is fixedly installed on the demo board 7 The back of the base 1 is movably installed with a bump 16, the middle of the bump 16 has a protruding block, the interior of the base 1 is hollow with a slot, and the diameter of the slot opened in the base 1 is greater than the diameter of the protruding block in the middle of the bump 16. , and the bottom of the demo board 7 is rotatably installed on the base 1, and is rotated through the bumps, which facilitates the full-angle rotation of the demo board 7 to meet the needs of different directions. The bumps 16 are fixedly installed on the bottom of the lower casing 2.

Working principle: When using, splicing the devices together in turn, and adjusting the height of the device itself by turning the fastening screw 5. When the projection projection is not required, the device itself meets its needs. When it is necessary to use the projection projection and the demonstration board at the same time When writing, turn on the power switch of the lift 15, the lift 15 pushes the upper movable rod 12 and the second lift rod 13 and lifts the baffle 8, the baffle 8 drives the projection screen 10 to rise from the interior of the demo board 7, and the use ends The rear lifter 15 pulls the upper movable rod 12 and the second lift rod 13 downward, and the projection screen 10 is received into the interior of the demonstration board 7 .

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Meanwhile, in the drawings of the present invention, the filling pattern is only for distinguishing the layers, and does not make any other limitation. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. A demonstration board for financial and economic analysis, comprising a base (1), characterized in that: a lower casing (2) is fixedly installed above the base (1), and the internal movement of the lower casing (2) A first lifting rod (4) is sleeved, the upper end of the lower sleeve (2) is fixedly installed with a fastening screw (5), and the upper end of the first lifting rod (4) is movably sleeved on the upper sleeve ( 3) inside, the upper end of the upper sleeve (3) is fixedly installed with a fastening screw (5), the top of the upper sleeve (3) is fixedly installed with a connecting block (6), the connecting block (6) ) is fixedly installed at the bottom of the demo board (7), a baffle plate (8) is fixedly installed on the top of the demonstration board (7), and a slide rail (9) is fixedly installed below the baffle plate (8). The slide rail (9) is fixedly connected with the projection screen (10), the slide rail (9) is movably sleeved inside the demo board (7), and the projection screen (10) is movably installed inside the demo board (7) , a connecting plate (11) is fixedly installed on the top of the baffle plate (8), and the bottom of the connecting plate (11) is fixedly installed on the upper movable rod (12), and the upper movable rod (12) is connected with the second movable rod (12). The lifting rod (13) is movably sleeved, the bottom of the second lifting rod (13) is movably sleeved inside the lower movable rod (14), and the lower movable rod (14) is fixedly installed on the elevator (15), so The lift (15) is fixedly installed on the back of the demo board (7), and a bump (16) is movably installed inside the base (1), and the bump (16) is fixedly installed at the bottom of the lower sleeve (2) . 2. A kind of demonstration board for financial and economic analysis according to claim 1, characterized in that: the inner side wall of the demonstration board (7) has a groove matching with the slide rail (9), and the slide rail The length values of (9) and the projection screen (10) are smaller than the length values of the demo board (7), and the baffle plate (8) and the demo board (7) have the same width and length values. 3. A demonstration board for financial and economic analysis according to claim 1, characterized in that: a protruding block is arranged in the middle of the protruding block (16), a groove is formed in the hollow inside of the base (1), and the base (1) The diameter value of the opened groove is larger than the diameter value of the middle protruding block of the convex block (16). 4 . The demonstration board for financial and economic analysis according to claim 1 , wherein the connecting block ( 6 ) is an L-mounted cylindrical block. 5 .

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