CN112330986A

CN112330986A - Display device for economics

Info

Publication number: CN112330986A
Application number: CN202011365337.4A
Authority: CN
Inventors: 孙国林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-02-05

Abstract

The invention discloses a display device for economics, which comprises a supporting mechanism, wherein a lifting mechanism is arranged at the top of the supporting mechanism, a shell is arranged at the top of the lifting mechanism, a motor is arranged at the bottom of the right side of an inner cavity of the shell, an output shaft of the motor is in transmission connection with a lead screw, the left end of the lead screw is in rotary connection with the shell, and a screw sleeve is in threaded connection with the surface of the lead screw. The display area of the display device is increased, and the flexibility of the display device is improved.

Description

Display device for economics

Technical Field

The invention relates to the technical field of economics, in particular to a display device for economics.

Background

The economics is a subject for researching various economic activities and various corresponding economic relations of the human society in various development stages and the operation and development rules thereof, the core concept of the economics is the scarcity of materials and the effective utilization of resources, and the core concept of the economics can be divided into two main branches, namely micro-economics and macro-economics, and with the development of the socioeconomic, the economics major is an indispensable subject in all universities.

In the teaching in-process of economics course, demonstrate teaching information to the student through display device for more directly perceived image, because teacher's explanation show content is different, the area of exhibition that needs is also different, and the most integrated device that is of current display device, do not possess the function of regulation, it is fixed unchangeable to lead to display device area of exhibition, and then reduced display device's flexibility, the bandwagon effect has been influenced, present display device is when not using simultaneously, occupation space is great.

Disclosure of Invention

The invention aims to provide an economic display device which has the advantages of adjustability and convenient storage and solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a display device for economics comprises a supporting mechanism, wherein a lifting mechanism is arranged at the top of the supporting mechanism, a shell is arranged at the top of the lifting mechanism, a motor is installed at the bottom of the right side of an inner cavity of the shell, an output shaft of the motor is connected with a lead screw in a transmission manner, the left end of the lead screw is rotatably connected with the shell, a screw sleeve is in threaded connection with the surface of the lead screw, a limiting mechanism is arranged at the bottom of the inner cavity of the shell, a connecting rod is rotatably connected with the top of the screw sleeve, a transverse plate is rotatably connected with the right end of the connecting rod, a main display board is fixedly connected with the top of the transverse plate, guide mechanisms are arranged on two sides of the transverse plate, a through hole for the main display board to pass through is formed in the top of the shell, an auxiliary mechanism is arranged in the inner cavity of the main display, and rotating mechanisms are arranged at the tops of two sides of the shell.

Preferably, the supporting mechanism comprises a supporting plate, and rollers are mounted at four corners of the bottom of the supporting plate.

Preferably, the lifting mechanism comprises an electric telescopic rod arranged at a middle shaft at the top of the supporting plate, the output end of the electric telescopic rod is fixedly connected with the shell, outer tubes are fixedly connected to two sides of the top of the supporting plate, an inner rod is connected to an inner cavity of each outer tube in a sliding manner, and the top end of the inner rod is fixedly connected with the shell.

Preferably, stop gear includes the spacing groove of seting up in casing inner chamber bottom, the inner chamber sliding connection of spacing groove has the stopper, the top and the silk cover fixed connection of stopper.

Preferably, the guiding mechanism comprises pulleys arranged on two sides of the transverse plate, and sliding grooves matched with the pulleys are formed in two sides of the inner cavity of the shell.

Preferably, the auxiliary mechanism comprises an auxiliary display board movably connected to the inner cavity of the main display board, and positioning grooves are formed in the tops and the bottoms of the two sides of the auxiliary display board.

Preferably, positioning mechanism includes swing joint in the locating lever of cavity inner chamber, and the inner chamber to the constant head tank is all run through to the one end that two locating levers are relative, and the one end that two locating levers were carried on the back mutually all extends to the outside of main show board, the surface cover of locating lever is equipped with the spring, the both ends of spring respectively with the inner wall and the locating lever fixed connection of cavity.

Preferably, slewing mechanism includes the U-shaped frame that is located main show board both sides top, the inner chamber and the locating lever of U-shaped frame rotate to be connected, the bottom fixedly connected with dwang of U-shaped frame.

Preferably, a handle is fixedly connected to the top of the secondary display board.

Preferably, a plurality of magnet blocks are magnetically connected to the front surface of the main display board.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the display device for economics, the motor is started, the output shaft of the motor finally drives the main display board to move upwards, display can be carried out on the surface of the main display board, the rotating rod is rotated ninety degrees outwards, the top of the U-shaped frame is in contact with the surface of the main display board, the auxiliary display board can be unlocked, the handle is pulled upwards, and the auxiliary display board can be unfolded.

2. The display device can be supported by the supporting mechanism, and the friction force between the display device and the ground is reduced by the arrangement of the rollers, so that a user can move the display device conveniently.

3. The lifting mechanism is arranged, so that the shell can be lifted, and the main display board can be adjusted to a proper height in the display process, so that more students can see teaching information.

4. According to the invention, through the arrangement of the limiting mechanism, when the screw sleeve moves left and right, the screw sleeve drives the limiting block to slide in the inner cavity of the limiting groove, so that the limiting block has a limiting effect on the screw sleeve, and the screw sleeve can move left and right stably.

5. The invention can guide the transverse plate through the arrangement of the guide mechanism, so that the transverse plate can stably move up and down.

6. The positioning mechanism and the rotating mechanism are matched for use, so that the auxiliary display board can be positioned, and the auxiliary display board can be stably kept in a certain state.

7. According to the invention, through the arrangement of the handle, the contact area between the palm of the user and the auxiliary display board is increased, so that the user can pull the auxiliary display board conveniently.

8. The magnetic iron block is arranged, so that the paper data table for teaching can be adsorbed and fixed, and convenience is provided for display.

Drawings

FIG. 1 is a perspective view of the present invention in a storage state;

FIG. 2 is a front sectional view of the structure of the present invention;

FIG. 3 is a front sectional view of the connection structure of the main display board and the auxiliary mechanism according to the present invention;

FIG. 4 is an enlarged view of point A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of point B in FIG. 3 according to the present invention;

fig. 6 is a perspective view of the connection structure of the positioning mechanism and the rotating mechanism of the present invention.

In the figure: 1. a support mechanism; 101. a support plate; 102. a roller; 2. a lifting mechanism; 21. an electric telescopic rod; 22. an outer tube; 23. an inner rod; 3. a housing; 4. a motor; 5. a screw rod; 6. sleeving the silk; 7. a limiting mechanism; 71. a limiting groove; 72. a limiting block; 8. a connecting rod; 9. a transverse plate; 10. a main display board; 11. a guide mechanism; 111. a pulley; 112. a chute; 12. a through hole; 13. an auxiliary mechanism; 131. a secondary display board; 132. positioning a groove; 14. a cavity; 15. a positioning mechanism; 151. positioning a rod; 152. a spring; 16. a rotating mechanism; 161. a U-shaped frame; 162. rotating the rod; 17. a handle; 18. and a magnet block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a display device for economics comprises a supporting mechanism 1, the supporting mechanism 1 comprises a supporting plate 101, idler wheels 102 are mounted at four corners of the bottom of the supporting plate 101, the display device can be supported through the arrangement of the supporting mechanism 1, meanwhile, friction between the display device and the ground is reduced through the arrangement of the idler wheels 102, a user can conveniently move the display device, a lifting mechanism 2 is arranged at the top of the supporting mechanism 1, a shell 3 is arranged at the top of the lifting mechanism 2, the lifting mechanism 2 comprises an electric telescopic rod 21 mounted at a middle shaft at the top of the supporting plate 101, the output end of the electric telescopic rod 21 is fixedly connected with the shell 3, outer tubes 22 are fixedly connected to two sides of the top of the supporting plate 101, inner rods 23 are slidably connected to inner cavities of the outer tubes 22, the top ends of the inner rods 23 are fixedly connected with the shell 3, and the lifting mechanism 2 can lift the shell 3, the main display board 10 can be adjusted to a proper height in the display process so that more students can see teaching information, the motor 4 is installed at the bottom of the right side of the inner cavity of the shell 3, the output shaft of the motor 4 is in transmission connection with the lead screw 5, the left end of the lead screw 5 is in rotational connection with the shell 3, the surface of the lead screw 5 is in threaded connection with the screw sleeve 6, the bottom of the inner cavity of the shell 3 is provided with the limiting mechanism 7, the limiting mechanism 7 comprises a limiting groove 71 arranged at the bottom of the inner cavity of the shell 3, the inner cavity of the limiting groove 71 is in sliding connection with a limiting block 72, the top of the limiting block 72 is fixedly connected with the screw sleeve 6, through the arrangement of the limiting mechanism 7, when the screw sleeve 6 moves left and right, the limiting block 72 is driven by the screw sleeve 6 to slide in the inner cavity of the limiting groove 71, so that the limiting block 72 has a limiting effect, the right end of the connecting rod 8 is rotatably connected with a transverse plate 9, the top of the transverse plate 9 is fixedly connected with a main display plate 10, the front surface of the main display plate 10 is magnetically connected with a plurality of magnet blocks 18, paper data tables for teaching can be adsorbed and fixed through the arrangement of the magnet blocks 18, convenience is provided for display, two sides of the transverse plate 9 are respectively provided with a guide mechanism 11, the guide mechanisms 11 comprise pulleys 111 arranged at two sides of the transverse plate 9, two sides of the inner cavity of the shell 3 are respectively provided with a chute 112 matched with the pulleys 111, the transverse plate 9 can be guided through the arrangement of the guide mechanisms 11 to stably move up and down, the top of the shell 3 is provided with a through hole 12 for the main display plate 10 to pass through, the inner cavity of the main display plate 10 is provided with an auxiliary mechanism 13, the auxiliary mechanism 13 comprises an auxiliary display plate 131 movably connected with the inner cavity of the main display plate 10, and positioning grooves 132 are respectively arranged at, the top of the auxiliary display board 131 is fixedly connected with a handle 17, through the arrangement of the handle 17, the contact area between the palm of the user and the auxiliary display board 131 is increased, so that the user pulls the auxiliary display board 131, two symmetrical cavities 14 are arranged inside the main display board 10, a positioning mechanism 15 is arranged in the inner cavity of each cavity 14, the positioning mechanism 15 comprises positioning rods 151 movably connected to the inner cavity of each cavity 14, the opposite ends of the two positioning rods 151 penetrate through the inner cavity of the positioning groove 132, the opposite ends of the two positioning rods 151 extend to the outer side of the main display board 10, a spring 152 is sleeved on the surface of each positioning rod 151, the two ends of each spring 152 are respectively and fixedly connected with the inner wall of each cavity 14 and each positioning rod 151, rotating mechanisms 16 are arranged at the tops of the two sides of the shell 3, each rotating mechanism 16 comprises a U-shaped frame 161 positioned at the tops of the two sides of the main display board, the bottom of the U-shaped frame 161 is fixedly connected with a rotating rod 162, and the positioning mechanism 15 and the rotating mechanism 16 are used in cooperation, so that the auxiliary display board 131 can be positioned, and the auxiliary display board 131 can be stably kept in a certain state.

The working principle is as follows: when the invention is used, a user moves the display device to a required position through the arrangement of the roller 102, the output end of the electric telescopic rod 21 drives the shell 3 to move upwards by starting the electric telescopic rod 21, the shell 3 drives the inner rod 23 to move upwards in the inner cavity of the outer tube 22, the shell 3 is adjusted to a required height, the motor 4 is started, the output shaft of the motor 4 drives the screw rod 5 to rotate clockwise, the screw rod 5 drives the screw sleeve 6 to move towards the right side, the screw sleeve 6 drives the limiting block 72 to slide in the inner cavity of the limiting groove 71, the screw sleeve 6 drives the left end of the connecting rod 8 to move through the rotating shaft, the right end of the connecting rod 8 drives the transverse plate 9 and the main display plate 10 to move upwards synchronously through the rotating shaft, the transverse plate 9 drives the pulley 111 to slide upwards in the inner cavity of the sliding groove 112 until the transverse plate 9 moves to the maximum limit, namely, the lifting operation of, the rotating rod 162 drives the U-shaped frame 161 to rotate synchronously around the rotating shaft of the cavity of the U-shaped frame 161 as the center of circle, so that the top of the U-shaped frame 161 contacts with the main display board 10, at this time, the U-shaped frame 161 is in a horizontal state, the U-shaped frame 161 drives the positioning rod 151 to move towards the cavity of the cavity 14 through the rotating shaft, and the positioning rod 151 compresses the spring 152 until the positioning rod 151 is separated from the cavity of the positioning groove 132 above, so as to unlock the auxiliary display board 131, and then the handle 17 is pulled upwards, the handle 17 drives the auxiliary display board 131 to move upwards synchronously, so as to expand the auxiliary display board 131, and then the rotating rod 162 is rotated reversely, so that the rotating rod 162 is in a vertical state, and finally the positioning rod 151 is inserted into the cavity of the positioning groove 132 below through the elastic restoring force of the spring 152, so that the auxiliary display board 131 is stably maintained in an expanded state, the adjustable and convenient storage purpose is achieved.

In summary, the following steps: the display device for economics is characterized in that the motor 4 is started, the output shaft of the motor 4 finally drives the main display board 10 to move upwards, so that the display can be performed on the surface of the main display board 10, the rotating rod 162 is rotated ninety degrees outwards, so that the top of the U-shaped frame 161 is in contact with the surface of the main display board 10, the auxiliary display board 131 can be unlocked, the handle 17 is pulled upwards, so that the auxiliary display board 131 can be unfolded, the display device for economics has the advantages of adjustability and convenient storage, the display area of the display device is increased through the arrangement of the auxiliary display board 131, the flexibility of the display device is improved, the display effect is improved, the main display board 10 can be stored, so that the occupied space of the display device is reduced, the problem that the required display area is different due to different teaching and display contents of teachers is solved, and most of the existing display devices are integrated devices, the display device has the advantages that the display device does not have the adjusting function, the display area of the display device is fixed, the flexibility of the display device is reduced, the display effect is influenced, and meanwhile, the existing display device occupies a large space when not used.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and furthermore, the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Display device for economics, comprising a support mechanism (1), characterized in that: the top of the supporting mechanism (1) is provided with a lifting mechanism (2), the top of the lifting mechanism (2) is provided with a shell (3), the bottom on the right side of an inner cavity of the shell (3) is provided with a motor (4), an output shaft of the motor (4) is connected with a lead screw (5) in a transmission manner, the left end of the lead screw (5) is rotatably connected with the shell (3), the surface of the lead screw (5) is in threaded connection with a screw sleeve (6), the bottom of the inner cavity of the shell (3) is provided with a limiting mechanism (7), the top of the screw sleeve (6) is rotatably connected with a connecting rod (8), the right end of the connecting rod (8) is rotatably connected with a transverse plate (9), the top of the transverse plate (9) is fixedly connected with a main display plate (10), two sides of the transverse plate (9) are both provided with guide mechanisms (11), the top of the shell (, the inner cavity of the main display board (10) is provided with an auxiliary mechanism (13), two symmetrical cavities (14) are formed in the main display board (10), the inner cavity of each cavity (14) is provided with a positioning mechanism (15), and the tops of two sides of the shell (3) are provided with rotating mechanisms (16).

2. A presentation device for economics according to claim 1 wherein: the supporting mechanism (1) comprises a supporting plate (101), and idler wheels (102) are mounted at four corners of the bottom of the supporting plate (101).

3. A presentation device for economics according to claim 2 wherein: elevating system (2) include install in electric telescopic handle (21) of backup pad (101) top axis department, the output and casing (3) fixed connection of electric telescopic handle (21), the equal fixedly connected with outer tube (22) in both sides at backup pad (101) top, the inner chamber sliding connection of outer tube (22) has interior pole (23), the top and casing (3) fixed connection of interior pole (23).

4. A presentation device for economics according to claim 1 wherein: stop gear (7) include spacing groove (71) of seting up in casing (3) inner chamber bottom, the inner chamber sliding connection of spacing groove (71) has stopper (72), the top and the silk braid (6) fixed connection of stopper (72).

5. A presentation device for economics according to claim 1 wherein: guiding mechanism (11) include install in pulley (111) of diaphragm (9) both sides, spout (112) with pulley (111) looks adaptation are all seted up to the both sides of casing (3) inner chamber.

6. A presentation device for economics according to claim 1 wherein: the auxiliary mechanism (13) comprises an auxiliary display board (131) movably connected to the inner cavity of the main display board (10), and positioning grooves (132) are formed in the tops and the bottoms of the two sides of the auxiliary display board (131).

7. A presentation device for economics according to claim 6 wherein: positioning mechanism (15) include locating lever (151) of swing joint in cavity (14) inner chamber, and the inner chamber to constant head tank (132) is all run through to the one end that two locating levers (151) are relative, and the one end that two locating levers (151) carried on the back mutually all extends to the outside of main show board (10), the surface cover of locating lever (151) is equipped with spring (152), the both ends of spring (152) respectively with the inner wall and locating lever (151) fixed connection of cavity (14).

8. A presentation device for economics according to claim 7 wherein: slewing mechanism (16) include U-shaped frame (161) that are located main show board (10) both sides top, the inner chamber and locating lever (151) of U-shaped frame (161) rotate to be connected, the bottom fixedly connected with dwang (162) of U-shaped frame (161).

9. A presentation device for economics according to claim 6 wherein: the top of the auxiliary display board (131) is fixedly connected with a handle (17).

10. A presentation device for economics according to claim 1 wherein: the front surface of the main display board (10) is magnetically connected with a plurality of magnet blocks (18).