CN111503489A

CN111503489A - Demonstration device based on computer

Info

Publication number: CN111503489A
Application number: CN202010358957.9A
Authority: CN
Inventors: 陈绪乾; 崔灵智; 张丹
Original assignee: Shandong Water Conservancy Vocational College
Current assignee: Shandong Water Conservancy Vocational College
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of computers, and discloses a demonstration device based on a computer, which comprises a bottom plate, wherein support columns are arranged on the left side and the right side of the upper surface of the bottom plate, a mounting plate is arranged at the upper end of each support column, the middle part of the mounting plate is rotatably connected with the lower part of a sliding sleeve, tooth grooves are arranged on the left side and the right side of the sliding sleeve, the upper part of the sliding sleeve is slidably connected with a sliding rod, sliding grooves are arranged on the left side and the right side of the sliding rod, the sliding grooves are slidably connected with a rack, limiting teeth clamped with the tooth grooves are arranged at the lower end of the rack, a pressing ring is arranged at. The invention is suitable for a demonstration device based on a computer, the whole adjusting mode is simple, and only the device needs to be loosened after the adjustment is finished, the height and the angle can be automatically locked under the action of elastic force, the stability of the device is ensured, meanwhile, the extra fixing work of an operator is not needed, and the use difficulty of the device is reduced.

Description

Demonstration device based on computer

Technical Field

The invention relates to the technical field of computers, in particular to a demonstration device based on a computer.

Background

The computer is commonly called as computer, is a modern electronic computing machine for high-speed computation, can perform numerical computation and logic computation, and also has the function of storage and memory. The intelligent electronic device can be operated according to a program, and can automatically process mass data at a high speed. A computer that is composed of a hardware system and a software system and does not have any software installed is called a bare metal. The computer can be divided into a super computer, an industrial control computer, a network computer, a personal computer and an embedded computer, and more advanced computers comprise a biological computer, a photon computer, a quantum computer and the like.

With the continuous development of computer technology, information of the whole industry is explosively increased, and at the moment, some demonstration devices are needed, so that the information can be better displayed.

Chinese patent (publication No. CN 210223147U) discloses a demonstration device based on a computer, aiming at the problem that the demonstration platform in the prior utility model is not provided with corresponding clamping attachment equipment, so that when heavy objects are met, no auxiliary equipment is needed, the demonstration device is relatively labor-consuming, the demonstration device comprises a base fixedly arranged on the demonstration platform, a support column is fixedly arranged at the top of the base, a rotating groove is arranged at the top end of the support column, a fixed rod is rotationally connected in the rotating groove, and the top of the fixed rod extends to the upper part of the support column, the utility model has simple operation, the placing angle of the objects can be conveniently changed by clamping the objects between a first thimble and a second thimble, thereby the objects can be conveniently demonstrated, and the objects can be well supported, so when heavy objects are met, can effectually save physical power, provide certain convenience, but the regulation of the device is comparatively loaded down with trivial details, and user operation is inconvenient, consequently needs to improve the device.

Disclosure of Invention

The present invention provides a computer-based presentation device that solves the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme:

a demonstration device based on a computer comprises a bottom plate, wherein support columns are arranged on the left side and the right side of the upper surface of the bottom plate, a mounting plate is arranged at the upper ends of the support columns, the middle of the mounting plate is rotatably connected with the lower part of a sliding sleeve, tooth grooves are arranged on the left side and the right side of the sliding sleeve, the upper part of the sliding sleeve is slidably connected with a sliding rod, sliding chutes are arranged on the left side and the right side of the sliding rod, a rack is slidably connected with the sliding chutes, limiting teeth clamped with the tooth grooves are arranged at the lower end of the rack, pressing rings are arranged at the upper end of the rack, a first spring is arranged between the two pressing rings, a fixed gear is arranged at the upper end of the sliding rod, the middle of the fixed gear is rotatably connected with the lower end of a fixed plate, the upper part of the fixed plate, the right-hand member of first limiting plate is equipped with the second stopper, is equipped with the third spring between second stopper and the fixed plate, the upper surface left and right sides of show board is equipped with the curb plate, the middle part of the middle part sliding connection guide bar of curb plate, two the relative one end of guide bar is equipped with the grip block, is equipped with the second spring between grip block and the curb plate.

As a preferable technical scheme of the invention, the left side and the right side of the lower surface of the bottom plate are provided with mounting seats, and the lower parts of the mounting seats are provided with trundles.

As a preferred technical scheme of the invention, the right side of the lower surface of the mounting plate is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected with the lower end of the sliding sleeve.

As a preferable technical scheme of the invention, a bushing is arranged between the sliding sleeve and the mounting plate.

As a preferable technical scheme of the present invention, a flange is disposed at a left end of the second limiting plate.

As a preferable technical solution of the present invention, the width of the first limiting plate is smaller than that of the second limiting plate.

As a preferable technical scheme of the invention, one end of the guide rod, which is far away from the center of the device, is provided with a first limiting block.

As a preferable technical scheme of the invention, a connecting rod is arranged between the two first limiting blocks.

The invention has the following advantages:

the demonstration device based on the computer is suitable for realizing the height adjustment of the device by arranging the mutual clamping connection of the rack and the tooth socket, and realizing the angle adjustment of the device by the clamping connection between the second limiting plate and the fixed gear, the whole adjustment mode is simple, and the height and the angle can be automatically locked under the action of elastic force by only loosening the device after the adjustment is finished, so that the stability of the device is ensured, meanwhile, the extra fixing work of an operator is not needed, and the use difficulty of the device is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a computer-based presentation device.

Fig. 2 is a front view of a computer-based presentation device.

Fig. 3 is a left side view of a computer-based presentation device.

Fig. 4 is a cross-sectional view a-a of fig. 3.

Fig. 5 is a schematic view of a fixed gear structure in a computer-based presentation apparatus.

In the figure: 1. a caster wheel; 2. a base plate; 3. a support pillar; 4. mounting a plate; 5. a sliding sleeve; 6. a slide bar; 7. a bushing; 8. a mounting seat; 9. a first stopper; 10. a display board; 11. a side plate; 12. a guide bar; 13. a connecting rod; 14. a second spring; 15. a clamping plate; 16. a drive motor; 17. a first bevel gear; 18. a second bevel gear; 19. fixing a gear; 20. a fixing plate; 21. a tooth socket; 22. a rack; 23. a first spring; 24. pressing a ring; 25. a chute; 26. limiting teeth; 27. a second limiting block; 28. a first limit plate; 29. a third spring; 30. a second limiting plate; 31. and (7) blocking edges.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-5, a demonstration apparatus based on a computer comprises a bottom plate 2, mounting seats 8 are arranged on the left and right sides of the lower surface of the bottom plate 2, casters 1 are arranged on the lower portions of the mounting seats 8, supporting columns 3 are arranged on the left and right sides of the upper surface of the bottom plate 2, a mounting plate 4 is arranged at the upper ends of the supporting columns 3, the middle portion of the mounting plate 4 is rotatably connected with the lower portion of a sliding sleeve 5, a driving motor 16 is arranged on the right side of the lower surface of the mounting plate 4, an output shaft of the driving motor 16 is fixedly connected with a first bevel gear 17, the first bevel gear 17 is engaged with a second bevel gear 18, the second bevel gear 18 is fixedly connected with the lower end of the sliding sleeve 5, a bushing 7 is arranged between the sliding sleeve 5 and the mounting plate 4, friction force between the sliding sleeve 5 and the mounting plate 4 can be reduced through the bushing 7, the left and right sides of slide bar 6 is equipped with spout 25, and spout 25 sliding connection rack 22, the lower extreme of rack 22 are equipped with the spacing tooth 26 with tooth's socket 21 joint, and the upper end of rack 22 is equipped with pressing ring 24, two be equipped with first spring 23 between the pressing ring 24.

The upper end of the sliding rod 6 is provided with a fixed gear 19, the middle of the fixed gear 19 is rotatably connected with the lower end of a fixed plate 20, the upper part of the fixed plate 20 is connected with the display board 10, the upper part of the fixed plate 20 at the left side is slidably connected with a second limiting plate 30, the left end of the second limiting plate 30 is provided with a flange 31, the right end of the second limiting plate 30 is connected with a first limiting plate 28, the width of the first limiting plate 28 is smaller than that of the second limiting plate 30, so that the fixed gear 19 can be clamped only when the second limiting plate 30 slides into the fixed gear 19, the first limiting plate 28 can not clamp the main fixed gear 19 even if sliding into the middle of the fixed gear 19, the right end of the first limiting plate 28 is slidably connected with the upper part of the fixed plate 20 at the right side, the right end of the first limiting plate 28 is provided with a second limiting block 27, a third spring 29 is arranged between the second limiting block, the middle part of curb plate 11 sliding connection guide bar 12, two the relative one end of guide bar 12 is equipped with grip block 15, is equipped with second spring 14 between grip block 15 and the curb plate 11, and the one end of keeping away from the device center of guide bar 12 is equipped with first stopper 9.

Example two

Referring to fig. 1, the other contents of the present embodiment are the same as those of the first embodiment, except that: a connecting rod 13 is arranged between the two first limit blocks 9. For better fixation by an operator, a connecting rod 13 is arranged between the two first stoppers 9, so that the guide rod 12 on one side can be moved in one direction by pulling the connecting rod 13, thereby facilitating the clamping operation of the device.

In the implementation process of the invention, firstly, two pressing rings 24 are simultaneously held, so that a first spring 23 is compressed, at the same time, the pressing rings 24 press a rack 22 into the inner side of a sliding groove 25, so that limiting teeth 26 at the lower end of the rack 22 are separated from tooth grooves 21 in the sliding sleeve 5, at the same time, a sliding rod 6 is moved up and down, so that the height of the whole device is adjusted, after the height adjustment is finished, the pressing rings 24 are loosened, under the action of the first spring 23, the two pressing rings 24 are separated towards two sides, so that the rack 22 slides away from the sliding groove 25, the limiting teeth 26 at the lower end of the rack 22 are clamped into the tooth grooves 21, so that the height of the sliding rod 6 is fixed, a second limiting block 27 is pressed towards the left side, the second limiting block 27 drives a first limiting plate 28 and a second limiting plate 30 to simultaneously move towards the left side, so that the second limiting plate 30 is separated from the teeth of, so that the angle of the display board 10 can be freely adjusted, after the angle adjustment of the display board 10 is completed, the second limiting block 27 can be loosened, under the action of the third spring 29, the second limiting block 27 drives the second limiting block 30 and the first limiting block 28 to slide to the right side until the flange 31 stops moving after being clamped on the fixing plate 20 on the left side, at this time, the second limiting block 30 is clamped in the teeth of the fixed gear 19, so that the angle between the fixing plate 20 and the fixed gear 19 is locked, so that the angle of the display board 10 is locked, at this time, the adjustment work of the whole device is completed, the clamping plates 15 are separated to the left and right sides, the articles to be displayed are placed on the display board 10, the clamping plates 15 are loosened, under the action of the second spring 14, the clamping plates 15 are tightly pressed on the left and right sides of the display, so that the fixation of the display is completed, at this time, the driving, an output shaft of the driving motor 16 drives the sliding sleeve 5 to rotate through a first bevel gear 17 and a second bevel gear 18 which are connected in a meshed mode, the sliding sleeve 5 drives the whole upper portion to rotate, and therefore the rotation of the display product is achieved; the height adjustment of the device is realized by arranging the mutual clamping of the rack 22 and the tooth groove 21, the angle adjustment of the device is realized by the clamping between the second limiting plate 30 and the fixed gear 19, the whole adjustment mode is simple, the height and the angle can be automatically locked under the action of elastic force only by loosening the device after the adjustment is finished, the stability of the device is ensured, meanwhile, the extra fixing work of an operator is not needed, and the use difficulty of the device is reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a presentation device based on computer, includes bottom plate (2), and the upper surface left and right sides of bottom plate (2) is equipped with support column (3), and the upper end of support column (3) is equipped with mounting panel (4), and the lower part of sliding sleeve (5) is connected in the middle part rotation of mounting panel (4), its characterized in that, the left and right sides of sliding sleeve (5) is equipped with tooth's socket (21), upper portion sliding connection slide bar (6) of sliding sleeve (5), and the left and right sides of slide bar (6) is equipped with spout (25), spout (25) sliding connection rack (22), and the lower extreme of rack (22) is equipped with spacing tooth (26) with tooth's socket (21) joint, and the upper end of rack (22) is equipped with presses clamping ring (24), two be equipped with first spring (23) between pressing ring (24), the upper end of slide bar (6) is equipped with fixed gear (19), and the lower extreme of fixed gear, show board (10) is connected on the upper portion of fixed plate (20), the left side upper portion sliding connection second limiting plate (30) of fixed plate (20), first limiting plate (28) is connected to the right-hand member of second limiting plate (30), the right-hand member sliding connection right side of first limiting plate (28) the upper portion of fixed plate (20), the right-hand member of first limiting plate (28) are equipped with second stopper (27), are equipped with third spring (29) between second stopper (27) and fixed plate (20), the upper surface left and right sides of show board (10) is equipped with curb plate (11), the middle part of the middle part sliding connection guide bar (12) of curb plate (11), two the relative one end of guide bar (12) is equipped with grip block (15), is equipped with second spring (14) between grip block (15) and curb plate (11).

2. A computer-based presentation device according to claim 1, wherein the bottom plate (2) is provided with mounting seats (8) on the left and right sides of the lower surface thereof, and casters (1) are provided on the lower portions of the mounting seats (8).

3. The computer-based demonstration device according to claim 1, wherein a driving motor (16) is provided on the right side of the lower surface of the mounting plate (4), an output shaft of the driving motor (16) is fixedly connected with a first bevel gear (17), the first bevel gear (17) is engaged with a second bevel gear (18), and the second bevel gear (18) is fixedly connected with the lower end of the sliding sleeve (5).

4. A computer-based presentation device according to claim 1, wherein a bushing (7) is provided between the sliding sleeve (5) and the mounting plate (4).

5. A computer-based demonstration device according to claim 1 wherein the left end of the second restriction plate (30) is provided with a flange (31).

6. A computer-based demonstration device according to claim 1 or 5 wherein the first limit stop (28) is of smaller width than the second limit stop (30).

7. A computer-based presentation device according to claim 1, wherein the end of the guide bar (12) remote from the centre of the device is provided with a first stop (9).

8. A computer-based presentation device as claimed in claim 7, wherein a link (13) is provided between the first stops (9).