CN114321647A

CN114321647A - Rotary digital exhibition stand

Info

Publication number: CN114321647A
Application number: CN202210010270.5A
Authority: CN
Inventors: 韩笑波
Original assignee: Changchun Vocational Institute of Technology
Current assignee: Changchun Vocational Institute of Technology
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-04-12

Abstract

The invention relates to the technical field of demonstration equipment and discloses a rotary digital exhibition stand, wherein a lifting device is arranged between a base and a connecting stand, the exhibition stand is arranged above the connecting stand, a rotating device is arranged between the connecting stand and the exhibition stand, a base plate is fixedly arranged at the bottom of the exhibition stand, the center of the bottom of the base plate is fixedly connected with the tail end of a rotor of a driving motor, a turntable is arranged between the base plate and the connecting stand, the turntable is sleeved and fixedly arranged outside the rotor of the driving motor, a blocking device is arranged on the right side of the upper surface of the connecting stand, a deflector rod is fixedly connected to the right side of a fixed plate, and the rotating device and the lifting device are arranged, so that the practicability of the device is improved, the problem that the height of the exhibition stand cannot be adjusted, the device has certain limitation when being used in occasions such as education and teaching training, video conferences, discussion places and the like and is easy to cause inconvenience is avoided, inconvenient to show, thereby influencing the training and meeting effect.

Description

Rotary digital exhibition stand

Technical Field

The invention relates to the technical field of demonstration equipment, in particular to a rotary digital exhibition stand.

Background

The digital exhibition stand is also called as a video exhibition stand, a real object demonstration instrument, a real object projector and the like, information such as real objects, manuscripts, pictures and the like is converted into image signals through a CCD camera based on a photoelectric conversion technology and is output to a demonstration device which is displayed on display devices such as a projector, a monitor and the like, and the digital exhibition stand is specially used in occasions such as education and teaching training, video conferences, discussion meeting places and the like.

The existing digital exhibition stand is of an integrated fixed structure, is highly incapable of being adjusted, has certain limitation when used in occasions such as education and teaching training, video conference, discussion meeting places and the like, is inconvenient to cause and inconvenient to show, thereby influencing the training and meeting effects and providing a rotary digital exhibition stand for this reason.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a rotary digital exhibition stand to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a rotary digital exhibition stand comprises a base, wherein a connecting stand is arranged above the base, a lifting device is arranged between the base and the connecting stand, a display stand is arranged above the connecting stand, and a rotating device is arranged between the connecting stand and the display stand;

the rotary device comprises a driving motor, the driving motor is fixedly installed at the inner center of the connecting table, a chassis is fixedly installed at the bottom of the display table, the bottom center of the chassis is fixedly connected with the rotor end of the driving motor, a rotary disc and a rotary disc sleeve are arranged between the chassis and the connecting table and fixedly installed outside the rotor of the driving motor, a blocking device is arranged on the right side of the upper surface of the connecting table, a connecting block is fixedly connected with the blocking device and the lower surface of the rotary disc is close to the blocking device, and a driving lever is fixedly connected to the right side of the connecting block.

Preferably, elevating gear includes the connecting plate and accomodates the chamber, accomodate the chamber cover and establish in the outside of connecting plate and with connecting plate sliding connection, there are first rack and second rack front end left side and back right side of connecting plate fixed mounting respectively, the front end and the back of connecting plate are provided with first gear and second gear respectively, first rack and second rack are connected with first gear and second gear meshing respectively, accomodate the front end in chamber and back fixed mounting respectively have first step motor and second step motor, the rotor end of first step motor and second step motor respectively with the center of first gear and the center fixed connection of second gear, the outside of first step motor and second step motor all is provided with protective housing.

Preferably, the check keep off the device and include a grade pole, the shelves head of a grade pole is the arc setting, the upper surface right side fixed mounting of connecting the platform has the spliced pole, the top fixed mounting of spliced pole has the fixed plate, the end of a grade pole is articulated mutually with the lower surface right side of fixed plate, it has the telescopic link to articulate between the lower surface left side of fixed plate and a grade pole, the outside cover of telescopic link is equipped with the spring.

Preferably, the lower surface of the chassis is provided with blocking columns at equal intervals near the edge, blocking heads of the blocking rods are matched with the outer parts of the blocking columns, shifting blocks are arranged on the lower surface of the blocking rods, and the linear distance between the shifting rod and the shifting blocks is smaller than the length of the shifting rod.

Preferably, the height of the blocking column is smaller than the vertical distance between the shifting lever and the chassis, and the shifting block and the shifting lever are in the same horizontal position.

Preferably, the first rack and the second rack and the first gear and the second gear have the same specification and size, and the wear-resistant coating is coated between the first rack and the first gear and between the second rack and the second gear.

Preferably, the left and right sides of connecting plate all fixed mounting have the slider, the inside in storage chamber corresponds the slider and has seted up the spout, slider and spout sliding connection.

Preferably, the front end of the accommodating cavity is provided with a control panel, the outside of the accommodating cavity is provided with a power supply, and the driving motor, the first stepping motor, the second stepping motor and the control panel are electrically connected with the power supply.

(III) advantageous effects

Compared with the prior art, the invention provides a rotary digital exhibition stand, which has the following beneficial effects:

1. this digital stand of rotary type, the rotary device that sets up is convenient for drive the carousel through driving motor and rotates, along with the continuous rotation of carousel, make driving lever and shifting block contact and extrude it gradually, because the end of shelves pole is articulated mutually with the lower surface right side of fixed plate, simultaneously under the mating reaction of telescopic link and spring, make the shelves head of shelves pole break away from the shelves post, the chassis drives the stand this moment and rotates, when the driving lever is changeed from the shelves pole, reset the shelves pole under the rebound of spring, rotate to shelves pole department once more by the first interception of shelves, stand stall this moment, repeat this operation, regular stopping and rotation of stand have been realized, explanation and show in the convenient to use, the practicality of device has been improved.

2. This digital stand of rotary type, the elevating gear who sets up is convenient for drive first gear and second gear and keeps opposite direction to rotate simultaneously through setting for first step motor and second step motor, thereby make the meshing connect first rack and second rack to remove in the vertical direction, and drive the connecting plate and carry out the vertical direction removal in accomodating the chamber under the sliding fit effect of slider and spout, thereby realize the lift of stand, avoided because the stand is highly unable to be adjusted, make at education and teaching training, the TV conference, certain limitation has when occasions such as discussion meeting place use, cause inconveniently easily, thereby be not convenient for show, thereby influence the problem of training and meeting effect.

Drawings

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

FIG. 2 is a schematic top view of the lifting device of the present invention;

FIG. 3 is a schematic top view of the turntable, chassis and blocking device of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a base; 2. a connecting table; 3. a display stand; 4. a drive motor; 5. a chassis; 6. a turntable; 7. connecting blocks; 8. a deflector rod; 9. a connecting plate; 10. a receiving cavity; 11. a first rack; 12. a second rack; 13. a first gear; 14. a second gear; 15. a first stepper motor; 16. a first stepper motor; 17. a protective housing; 18. a gear lever; 19. connecting columns; 20. a fixing plate; 21. a telescopic rod; 22. a spring; 23. a shift post; 24. shifting blocks; 25. a slider; 26. a chute; 27. a control panel.

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.

As shown in figures 1 and 4, the invention provides a technical scheme, a rotary digital exhibition stand comprises a base 1, a connecting table 2 is arranged above the base 1, a lifting device is arranged between the base 1 and the connecting table 2, a display table 3 is arranged above the connecting table 2, a rotating device is arranged between the connecting table 2 and the display table 3, the rotating device comprises a driving motor 4, the driving motor 4 is fixedly arranged at the inner center of the connecting table 2, a chassis 5 is fixedly arranged at the bottom of the display table 3, the bottom center of the chassis 5 is fixedly connected with the tail end of a rotor of the driving motor 4, a turntable 6 is arranged between the chassis 5 and the connecting table 2, the turntable 6 is sleeved and fixedly arranged outside the rotor of the driving motor 4, a blocking device is arranged on the right side of the upper surface of the connecting table 2, a connecting block 7 is fixedly connected to the lower surface of the turntable 6 close to the blocking device, the right side of the connecting block 7 is fixedly connected with a deflector rod 8, the rotating device is arranged to drive the rotary disc 6 to rotate through the driving motor 4, along with the continuous rotation of the rotary disc 6, the deflector rod 8 is contacted with the deflector block 24 and extrudes the deflector block gradually, the tail end of the baffle rod 18 is hinged with the right side of the lower surface of the fixed plate 20, simultaneously under the matching action of the telescopic rod 21 and the spring 22, the baffle head of the baffle rod 18 is separated from the baffle column 23, at the moment, the chassis 5 drives the display platform 3 to rotate, when the deflector rod 8 rotates away from the baffle rod 18, the baffle rod 18 is reset under the resilience action of the spring 22, when the baffle column 23 rotates to the position of the baffle rod 18 and is intercepted by the baffle head again, at the moment, the display platform 3 stops rotating, the operation is repeated, the regular stop and rotation of the display platform 3 are realized, the explanation and the display in the using process are convenient, the practicability of the device is improved, the front end of the accommodating cavity 10 is provided with a control panel 27, the outside of the containing cavity 10 is provided with a power supply, and the driving motor 4, the first stepping motor 15, the second stepping motor 16 and the control panel 27 are electrically connected with the power supply.

Referring to fig. 2, the lifting device includes a connection plate 9 and a receiving cavity 10, the receiving cavity 10 is sleeved outside the connection plate 9 and is slidably connected with the connection plate 9, sliders 25 are fixedly mounted on both left and right sides of the connection plate 9, a sliding groove 26 is formed in the receiving cavity 10 corresponding to the slider 25, the slider 25 is slidably connected with the sliding groove 26, a first rack 11 and a second rack 12 are fixedly mounted on the left side of the front end and the right side of the back of the connection plate 9 respectively, a first gear 13 and a second gear 14 are respectively disposed on the front end and the back of the connection plate 9, the first rack 11 and the second rack 12 are respectively engaged with the first gear 13 and the second gear 14, the first rack 11 and the second rack 12 and the first gear 13 and the second gear 14 have the same specification and size, and wear-resistant coatings are coated between the first rack 11 and the first gear 13 and between the second rack 12 and the second gear 14 to reduce wear thereof, thereby prolonging the service life of the device, the front end and the back of the containing cavity 10 are respectively fixedly provided with a first stepping motor 15 and a second stepping motor 16, the rotor ends of the first stepping motor 15 and the second stepping motor 16 are respectively fixedly connected with the center of the first gear 13 and the center of the second gear 14, the outer parts of the first stepping motor 15 and the second stepping motor 16 are respectively provided with a protective shell 17, the outer part of the protective shell 17 is provided with a plurality of heat dissipation holes to facilitate the heat dissipation of the motor and avoid the damage caused by the overheating of the motor, the arranged lifting device is convenient for driving the first gear 13 and the second gear 14 to simultaneously keep opposite directions for rotating by setting the first stepping motor 15 and the second stepping motor 16, so that the first rack 11 and the second rack 12 which are connected in a meshing way move in the vertical direction, and driving the connecting plate 9 to move in the containing cavity 10 in the vertical direction under the sliding fit action of the sliding block 25 and the sliding chute 26, thereby realize the lift of show stand 3, avoided because the 3 high unable regulations of show stand for have certain limitation when occasions such as education and teaching training, video conference, discussion meeting place use, cause inconvenience easily, be not convenient for show, thereby influence the problem of training and meeting effect.

Referring to fig. 3, the blocking device includes a blocking rod 18, a blocking head of the blocking rod 18 is arranged in an arc shape, a connecting column 19 is fixedly installed on the right side of the upper surface of the connecting table 2, a fixing plate 20 is fixedly installed on the top of the connecting column 19, the tail end of the blocking rod 18 is hinged to the right side of the lower surface of the fixing plate 20, an expansion link 21 is hinged between the left side of the lower surface of the fixing plate 20 and the blocking rod 18, a spring 22 is sleeved outside the expansion link 21, blocking columns 23 are equidistantly arranged on the lower surface of the chassis 5 near the edge, the blocking head of the blocking rod 18 is matched with the outer portions of the blocking columns 23, a shifting block 24 is arranged on the lower surface of the blocking rod 18, the linear distance between the shifting rod 8 and the shifting block 24 is smaller than the length of the shifting rod 8, the height of the blocking columns 23 is smaller than the vertical distance between the shifting rod 8 and the chassis 5, and the shifting block 24 and the shifting rod 8 are located at the same horizontal position.

The working principle of the device is as follows: firstly, the device is powered on, the first stepping motor 15 and the second stepping motor 16 are set, then the first stepping motor 15 and the second stepping motor 16 are started through the control panel 27 to drive the first gear 13 and the second gear 14 to rotate in opposite directions simultaneously, so that the first rack 11 and the second rack 12 which are connected in a meshed mode are moved in the vertical direction, the connecting plate 9 is driven to move in the vertical direction in the accommodating cavity 10 under the sliding matching effect of the sliding block 25 and the sliding groove 26, the lifting of the display table 3 is realized, the problem that the height of the display table 3 cannot be adjusted, certain limitation is caused when the display table is used in occasions such as education and teaching training, video conferences, discussion meeting places and the like, inconvenience is caused, the display is inconvenient, and the training and the conference effects are influenced is solved, then the rotary table 6 is driven to rotate through the driving motor 4, along with the continuous rotation of carousel 6 for driving lever 8 contacts and extrudees it gradually with shifting block 24, because the end of shelves pole 18 is articulated mutually with the lower surface right side of fixed plate 20, simultaneously under telescopic link 21 and spring 22's cooperation, make the shelves head of shelves pole 18 break away from shelves post 23, chassis 5 drives show stand 3 and rotates this moment, when driving lever 8 rotates away from shelves pole 18, reset shelves pole 18 under spring 22's resilience effect, rotate to shelves post 23 and be intercepted by the shelves head once more to shelves 18 department, show stand 3 stall this moment, repeat this operation, realized the regular stop and rotation of show stand 3, explanation and show in the convenient to use, the practicality of device has been improved.

It is noted that, in the text, 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. Also, the terms "comprises," "comprising," 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.

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. The utility model provides a digital stand of rotary type, includes base (1), its characterized in that: a connecting table (2) is arranged above the base (1), a lifting device is arranged between the base (1) and the connecting table (2), a display table (3) is arranged above the connecting table (2), and a rotating device is arranged between the connecting table (2) and the display table (3);

the rotary device comprises a driving motor (4), the driving motor (4) is fixedly installed at the inner center of the connecting platform (2), a chassis (5) is fixedly installed at the bottom of the showing platform (3), the bottom center of the chassis (5) is fixedly connected with the rotor end of the driving motor (4), a turntable (6) and a turntable (6) sleeve are arranged between the chassis (5) and the connecting platform (2) and are fixedly installed outside the rotor of the driving motor (4), a blocking device is arranged on the right side of the upper surface of the connecting platform (2), the lower surface of the turntable (6) is close to a blocking device fixedly connected with connecting block (7), and a shifting lever (8) is fixedly connected with the right side of the connecting block (7).

2. A rotary digital display stand according to claim 1, further comprising: the lifting device comprises a connecting plate (9) and a containing cavity (10), the containing cavity (10) is sleeved outside the connecting plate (9) and is in sliding connection with the connecting plate (9), the left side of the front end and the right side of the back of the connecting plate (9) are respectively and fixedly provided with a first rack (11) and a second rack (12), the front end and the back of the connecting plate (9) are respectively provided with a first gear (13) and a second gear (14), the first rack (11) and the second rack (12) are respectively and fixedly connected with the first gear (13) and the second gear (14) in a meshing manner, the front end and the back of the containing cavity (10) are respectively and fixedly provided with a first stepping motor (15) and a second stepping motor (16), the tail ends of rotors of the first stepping motor (15) and the second stepping motor (16) are respectively and fixedly connected with the center of the first gear (13) and the center of the second gear (14), and protective shells (17) are arranged outside the first stepping motor (15) and the second stepping motor (16).

3. A rotary digital display stand according to claim 1, further comprising: check keep off the device and include shelves pole (18), the shelves head of shelves pole (18) sets up for the arc, the upper surface right side fixed mounting of connecting platform (2) has spliced pole (19), the top fixed mounting of spliced pole (19) has fixed plate (20), the end of shelves pole (18) is articulated mutually with the lower surface right side of fixed plate (20), it has telescopic link (21) to articulate between the lower surface left side of fixed plate (20) and shelves pole (18), the outside cover of telescopic link (21) is equipped with spring (22).

4. A rotary digital display stand according to claim 1, further comprising: the lower surface of the chassis (5) is provided with baffle columns (23) close to the edge at equal intervals, the baffle heads of the baffle rods (18) are matched with the outer parts of the baffle columns (23), the lower surface of the baffle rods (18) is provided with shifting blocks (24), and the linear distance between the shifting rod (8) and the shifting blocks (24) is smaller than the length of the shifting rod (8).

5. A rotary digital display stand according to claim 4, wherein: the height of the shift post (23) is smaller than the vertical distance between the shift lever (8) and the chassis (5), and the shift block (24) and the shift lever (8) are in the same horizontal position.

6. A rotary digital display stand according to claim 2, further comprising: the first rack (11) and the second rack (12) as well as the first gear (13) and the second gear (14) have the same specification and size, and wear-resistant coatings are coated between the first rack (11) and the first gear (13) and between the second rack (12) and the second gear (14).

7. A rotary digital display stand according to claim 2, further comprising: the left and right sides of connecting plate (9) all fixed mounting have slider (25), sliding groove (26) have been seted up to the inside corresponding slider (25) in storage cavity (10), slider (25) and sliding groove (26) sliding connection.

8. A rotary digital display stand according to claim 2, further comprising: the front end of accomodating chamber (10) is provided with control panel (27), the outside of accomodating chamber (10) is provided with the power, driving motor (4), first step motor (15), second step motor (16) and control panel (27) all link to each other with the power electrical property.