CN113925329A - Display device for evaluating scientific and technological activity efficiency - Google Patents

Display device for evaluating scientific and technological activity efficiency Download PDF

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Publication number
CN113925329A
CN113925329A CN202111197363.5A CN202111197363A CN113925329A CN 113925329 A CN113925329 A CN 113925329A CN 202111197363 A CN202111197363 A CN 202111197363A CN 113925329 A CN113925329 A CN 113925329A
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CN
China
Prior art keywords
storage box
display
exhibition
information board
plate
Prior art date
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Granted
Application number
CN202111197363.5A
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Chinese (zh)
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CN113925329B (en
Inventor
张敬怡
李煜华
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Shanghai Institute of Technology
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Shanghai Institute of Technology
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Priority to CN202111197363.5A priority Critical patent/CN113925329B/en
Publication of CN113925329A publication Critical patent/CN113925329A/en
Application granted granted Critical
Publication of CN113925329B publication Critical patent/CN113925329B/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F7/00Show stands, hangers, or shelves, adapted for particular articles or materials
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00Feet for furniture in general
    • A47B91/06Gliders or the like
    • A47B91/066Swivel gliders
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10Adjustable or foldable or dismountable display stands
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E06B3/362Double winged doors or windows
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E06B3/367Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening specially adapted for furniture
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00Signs, name or number plates, letters, numerals, or symbols; Panels or boards

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Display Racks (AREA)

Abstract

The invention discloses a display device for evaluating scientific and technological activity efficiency, which comprises: the bottom of the exhibition stand is provided with a storage box, and the exhibition stand is provided with a first opening communicated with the interior of the storage box; the display information board is arranged above the exhibition stand and hinged to one side of the exhibition stand; the lifting assembly is arranged in the storage box; the supporting plate is arranged in the storage box and connected to the lifting assembly, and the lifting assembly drives the supporting plate to lift; the rotating assembly is arranged on the supporting plate; the display piece placing plate is arranged above the display table and connected to the rotating assembly, the rotating assembly drives the display piece placing plate to rotate, and the support plate drives the display piece placing plate to leave or enter the storage box through the first opening; at least one linkage subassembly is located between exhibition piece information board and the backup pad, drives exhibition piece information board through the linkage subassembly transmission when the backup pad rises and keeps away from the stand rotatory, drives exhibition piece information board through the linkage subassembly transmission when descending and is close to the stand rotation. The device can improve the display efficiency.

Description

Display device for evaluating scientific and technological activity efficiency
Technical Field
The invention belongs to the technical field of display devices, and particularly relates to a display device for evaluating scientific and technological activity efficiency.
Background
Scientific and technological activities refer to all organized and systematic scientific and technological activities that are closely related to the generation, development, dissemination and application of scientific and technological knowledge in all scientific and technical fields, i.e., natural science, agricultural science, medical science, engineering and technical science, humanity and social science. An organized, systematic scientific and technological activity is understood to mean a scientific and technological activity within the scope of an organization and planned by the staff of the organization, together with the work plan of the organization. The statistical scientific and technological activities refer to scientific and technological activities organized and systematically developed within the investigation range. Including research and development activities, research and development result application activities, and scientific and technological service activities.
And on scientific and technological activity show meeting, need prepare many and arrange the device, like exhibition table, tablecloth, light, exhibition spare and brochure etc. these devices are all put alone before arranging with the dismouting back, need spend a large amount of time to arrange in order, and not only efficiency is extremely low, and the manual work that needs is also many in the handling moreover, consequently, need provide a device and solve this problem.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a display device for evaluating efficiency of scientific and technological activities, which can improve display efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a display device for scientific and technological activity efficiency evaluation comprises:
the bottom of the exhibition stand is provided with a storage box, and the exhibition stand is provided with a first opening communicated with the interior of the storage box;
the display information board is arranged above the exhibition stand and hinged to one side of the exhibition stand;
the lifting assembly is arranged in the storage box;
the supporting plate is arranged in the storage box and connected to the lifting assembly, and the lifting assembly drives the supporting plate to lift;
the rotating assembly is arranged on the supporting plate;
the display piece placing plate is arranged above the display table and connected to the rotating assembly, the rotating assembly drives the display piece placing plate to rotate, and the support plate drives the display piece placing plate to leave or enter the storage box through the first opening;
at least one linkage subassembly is located exhibition piece information board with between the backup pad, pass through when the backup pad rises the linkage subassembly transmission drives exhibition piece information board is kept away from when the stand is rotatory, when descending pass through the linkage subassembly transmission drives exhibition piece information board is close to the stand is rotatory.
According to one embodiment of the invention, the display rack comprises a connecting plate which is arranged on one side of a display information plate, the connecting plate is hinged with one side of a display stand, a first threaded rod is arranged on one side of the display information plate and penetrates through the connecting plate, a locking knob is sleeved on one end, far away from the display information plate, of the first threaded rod, and the connecting plate and the display information plate are fixedly locked through the locking knob and the first threaded rod.
According to an embodiment of the present invention, the rotating component is a first motor, and an output shaft of the first motor is fixedly connected to the display placing plate.
According to an embodiment of the present invention, the lifting assembly includes:
the second motor is arranged at the bottom of the storage box;
the first gear is sleeved on the output shaft of the second motor;
the connecting rod is arranged beside the second motor through a mounting seat, a second gear is sleeved on the connecting rod, and the second gear is meshed with the first gear;
the two first bevel gears are respectively arranged at two ends of the connecting rod;
the two rectangular sleeves are arranged at the bottom of the storage box and are respectively positioned beside the two first bevel gears;
the two support rods are respectively penetrated and connected in the two rectangular sleeves in a sliding manner, and the upper ends of the support rods are connected with the bottoms of the support plates;
the two second threaded rods are respectively arranged in the two rectangular sleeves and the two supporting rods in a penetrating mode, the upper ends of the second threaded rods are connected to the supporting rods in a threaded mode, and the lower ends of the second threaded rods extend out of the rectangular sleeves;
and the two second bevel gears are respectively connected to the lower ends of the two second threaded rods and are respectively meshed with the two first bevel gears, and the lower ends of the second bevel gears are rotatably connected with the bottom of the storage box.
According to an embodiment of the present invention, a second opening is disposed on a side wall of the storage box, a fixing rod is disposed in the second opening, and the linkage assembly includes:
a mounting bracket connected to the support plate;
the first end of the first connecting arm is hinged with the mounting bracket, a first waist-shaped through hole is formed in the first connecting arm, and the first waist-shaped through hole is sleeved on the fixing rod;
and the first end of the second connecting arm is hinged with the second end of the first connecting arm, and the second end of the second connecting arm is hinged with the display information board.
According to an embodiment of the invention, a second waist-shaped through hole is formed at a second end of the second connecting arm, a hinge rod penetrates through the second waist-shaped through hole, a third connecting arm is sleeved on and fixedly connected with the hinge rod, and the other end of the third connecting arm is fixedly connected with the display information board.
According to one embodiment of the invention, four universal wheels are uniformly distributed at the bottom of the storage box.
According to one embodiment of the invention, two mounting plates are arranged inside the storage box, one side of each mounting plate is fixedly arranged on the inner side wall of the storage box, the other side of each mounting plate is fixedly arranged at the bottom of the storage box, and a drawer is arranged at the bottom of each mounting plate.
According to one embodiment of the invention, two cabinet doors are arranged on one side of the storage box, and the sides, far away from each other, of the two cabinet doors are hinged with the storage box.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
in the embodiment of the invention, the exhibition stand, the exhibition information board and the exhibition placing board are arranged, the storage box is arranged at the bottom of the exhibition stand, the lifting component is arranged at the bottom of the exhibition placing board, when the exhibition stand is arranged on site, objects such as tablecloth, light, exhibition and brochure are taken out through the storage box, visitors can know basic information and achievement benefits of the exhibition through the exhibition information board, models or original pieces of the exhibition are placed through the exhibition placing board, so that the visitors can clearly know the appearance of the exhibition, when the exhibition stand is picked up, all the arranged devices are collected in the storage box, the supporting board and the exhibition placing board are driven to descend into the storage box through the lifting component, and the exhibition information board is driven to rotate towards the exhibition stand in the descending process of the supporting board through the linkage component until the exhibition information board is attached to the exhibition stand, so that the exhibition information board is automatically covered. And because the lifting component drives the display piece placing plate to descend into the storage box, when the display piece information plate is attached to the exhibition stand, the display pieces on the display piece placing plate can not be crushed, and the problems of low arranging efficiency of the arrangement devices and many manual carrying requirements in scientific and technological activities are solved.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a perspective view of a display device for evaluating efficiency of scientific and technological activities according to the present invention;
FIG. 2 is a partial schematic view of a first display device for evaluating efficiency of scientific and technological activities according to the present invention;
FIG. 3 is a partial schematic view of a second display device for evaluating efficiency of scientific and technological activities according to the present invention;
FIG. 4 is a schematic view of a display device showing a display information board for evaluating scientific and technological activity efficiency according to the present invention;
fig. 5 is a partial schematic view of a third display device for evaluating scientific and technological activity efficiency according to the present invention.
Description of reference numerals:
1: a display stand; 2: a storage box; 3: a display information board; 4: a display placing plate; 5: a support plate; 6: a first motor; 7: a lifting assembly; 8: a universal wheel; 9: a connecting plate; 10: a first threaded rod; 11: locking the knob; 12: mounting a plate; 13: a drawer; 14: a cabinet door; 15: a second opening; 16: fixing the rod; 17: mounting a bracket; 18: a first connecting arm; 19: a first kidney-shaped through hole; 20: a second connecting arm; 21: a second kidney-shaped through hole; 22: a second motor; 23: a first gear; 24: a connecting rod; 25: a second gear; 26: a first bevel gear; 27: a rectangular sleeve; 28: a second bevel gear; 29: a support bar; 30: a second threaded rod.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise ratio for the purpose of facilitating and distinctly aiding in the description of the embodiments of the invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1 to 5, the core of the present invention is to provide a display device for evaluating the efficiency of scientific and technological activities, which comprises a display stand 1, a display information board 3, a lifting component 7, a support plate 5, a rotating component, a display placing plate 4 and at least one linkage component.
The bottom of the exhibition stand 1 is provided with a storage box 2, and the exhibition stand 1 is provided with a first opening communicated with the interior of the storage box 2. The storage box 2 is used for storing various display articles.
The bottom of storage tank 2 is equipped with four evenly distributed's universal wheel 8 to make storage tank 2 collect and need not many people's transport after accomplishing, solved storage tank 2 and collected the problem that needs many people's transport after accomplishing, realized the mobilizable problem of storage tank 2. The inside of storage tank 2 is equipped with two mounting panels 12, the fixed setting in one side of every mounting panel 12 is on the inside wall of storage tank 2, the fixed bottom that sets up at storage tank 2 of opposite side of every mounting panel 12, and the bottom of every mounting panel 12 all is equipped with drawer 13, through setting up mounting panel 12, and set up drawer 13 bottom mounting panel 12, thereby make the space multilayering in storage tank 2, be convenient for put the arrangement and arrange the device, the problem of arranging the device and putting in a jumble manner in storage tank 2 has been solved, storage tank 2 has been realized and has been put clearly, the orderly function of arrangement. One side of storage tank 2 is equipped with two cabinet doors 14, and the one side that two cabinet doors 14 kept away from each other all is articulated with storage tank 2. Through setting up cabinet door 14 to make storage tank 2 more conveniently open and take out or place and arrange the device, solved storage tank 2 and taken out or place and arrange the difficult problem of device, realized that storage tank 2 conveniently takes out and places the function of arranging the device.
Exhibition piece information board 3 locates stand 1 top and articulates in one side of stand 1. Specifically, one side of exhibition piece information board 3 is equipped with connecting plate 9, and connecting plate 9 is articulated with one side of stand 1, and the central point of one side of exhibition piece information board 3 puts and is equipped with first threaded rod 10, and connecting plate 9 is worn to locate by first threaded rod 10, and the pot head that exhibition piece information board 3 was kept away from to first threaded rod 10 is equipped with locking knob 11, makes connecting plate 9 and the locking of exhibition piece information board 3 link firmly through locking knob 11 and first threaded rod 10. The angle between the display information board 3 and the connecting plate 9 can be adjusted by loosening the first threaded rod 10 through the locking knob 11, and the first threaded rod 10 is screwed through the locking knob 11 after adjustment, so that the function of adjusting the angle between the display information board 3 and the display table 1 is achieved.
For example, according to the position that stand 1 was put, the angle that exhibition piece information board 3 was put in the face of visitor is different, through locking knob 11 the first threaded rod 10 of unscrewing on connecting plate 9 rotates exhibition piece information board 3 adjustment towards the angle of putting of visitor, it makes exhibition piece information board 3 and connecting plate 9 fixed to screw first threaded rod 10 through locking knob 11, thereby make exhibition piece information board 3 put the angle and can not swing at will, the problem that exhibition piece information board 3 can't put the condition adjustment according to stand 1 and put the angle has been solved, the function that the angle was put in to rotatable adjustment of exhibition piece information board 3 has been realized.
Lifting unit 7 locates in storage tank 2, and backup pad 5 locates in storage tank 2 and connects in lifting unit 7, and lifting unit 7 drives backup pad 5 and goes up and down.
Specifically, the lifting assembly 7 includes a second motor 22, a first gear 23, a connecting rod 24, two first bevel gears 26, two rectangular sleeves 27, two support rods 29, two second threaded rods 30, and two second bevel gears 28. The second motor 22 is arranged at the bottom of the storage box 2 through a motor support, and the first gear 23 is sleeved on an output shaft of the second motor 22. The connecting rod 24 is arranged beside the second motor 22 through a mounting seat, a second gear 25 is sleeved on the connecting rod 24, and the second gear 25 is meshed with the first gear 23. Two first bevel gears 26 are provided at both ends of the connecting rod 24, respectively. Two rectangular sleeves 27 are mounted at the bottom of the storage box 2 and are respectively located beside the two first bevel gears 26. Two support rods 29 are respectively penetrated and slidably connected in the two rectangular sleeves 27, and the upper ends of the support rods 29 are connected with the bottom of the support plate 5. The two second threaded rods 30 are respectively arranged in the two rectangular sleeves 27 and the two support rods 29 in a penetrating manner, the upper ends of the second threaded rods 30 are connected to the support rods 29 in a threaded manner, and the lower ends of the second threaded rods 30 extend out of the rectangular sleeves 27. Two second bevel gears 28 are respectively connected to the lower ends of the two second threaded rods 30 and are respectively engaged with the two first bevel gears 26, and the lower ends of the second bevel gears 28 are rotatably connected to the bottom of the storage box 2.
Backup pad 5 is located to rotating assembly, and exhibition piece is put board 4 and is located 1 tops of stand and connect in rotating assembly, and rotating assembly drives the exhibition piece and puts board 4 rotatory, drives the exhibition piece when backup pad 5 goes up and down and puts board 4 and leave or get into storage tank 2 through first opening.
Specifically, rotating assembly is first motor 6, and first motor 6 sets up in the bottom of backup pad 5, and the output shaft of first motor 6 passes backup pad 5 and links firmly in exhibition piece board 4 of putting.
The linkage assembly is arranged between the display information board 3 and the supporting board 5, and 2 linkage assemblies are arranged in the embodiment. When the supporting plate 5 ascends, the display information plate 3 is driven to rotate away from the exhibition stand 1 through the transmission of the linkage assembly, and when the supporting plate descends, the display information plate 3 is driven to rotate close to the exhibition stand 1 through the transmission of the linkage assembly.
Specifically, two second openings 15 corresponding to two linkage assemblies are formed in one side wall of the storage box 2, the shape of each second opening is preferably rectangular, a fixing rod 16 is arranged in each second opening 15, and each linkage assembly comprises a mounting bracket 17, a first connecting arm 18 and a second connecting arm 20. The mounting bracket 17 is connected to the supporting plate 5, the first end of the first connecting arm 18 is hinged to the mounting bracket 17, the first connecting arm 18 is provided with a first waist-shaped through hole 19, and the fixing rod 16 is sleeved with the first waist-shaped through hole 19. The first end of second linking arm 20 is articulated with the second end of first linking arm 18, and the second end is articulated with exhibition piece information board 3, and is concrete, and the second end of second linking arm 20 is equipped with second waist shape through-hole 21, wears to be equipped with the hinge bar in the second waist shape through-hole 21, and the cover is established and is linked firmly the third linking arm on the hinge bar, and the other end of third linking arm links firmly in exhibition piece information board 3.
The fixing lever 16 forms a fulcrum at the first connecting arm 18 so that when the support plate 5 is raised, the second connecting arm 20 is lowered; so that the second connecting arm 20 is raised when the support plate 5 is lowered.
When arranging the scene, through storage tank 2 with tablecloth, light, articles such as exhibition and pamphlet take out, make the basic information and the achievement benefit of visitor's understanding exhibition through exhibition information board 3, put the model or the original paper that board 4 placed the exhibition through the exhibition, thereby make the appearance of the clear understanding exhibition of visitor, when picking up the scene, collect in storage tank 2 through arranging all the devices, put board 4 and descend to storage tank 2 through lifting unit 7 drive backup pad 5 and exhibition, and make through the linkage subassembly and drive exhibition information board 3 rotatory towards exhibition platform 1 simultaneously at backup pad 5 decline in-process, until rather than the laminating, the automatic lid that has realized exhibition information board 3 closes. And because lifting unit 7 drives the exhibition piece placing plate 4 and descends to storage tank 2, when making exhibition piece information board 3 and stand 1 laminating, can not crush the exhibition piece on the exhibition piece placing plate 4, solved the arrangement device arrangement inefficiency in the scientific and technological activity, need the many problems of artifical transport.
The working process of the present invention is further explained as follows:
when the display is needed, the first gear 23 is driven to rotate by the second motor 22, the second gear 25 is driven to rotate by the first gear 23, the connecting rod 24 is driven to rotate by the second gear 25, the two first bevel gears 26 are driven to rotate by the connecting rod 24, the two second bevel gears 28 are driven to rotate by the two first bevel gears 26 respectively, the two second threaded rods 30 are driven to rotate in the two rectangular sleeves 27 by the two second bevel gears 28 respectively, the two supporting rods 29 are driven to move up and down by the two second threaded rods 30 respectively, and the supporting plate 5 is driven to move up and down by the two supporting rods 29.
When the supporting plate 5 moves upwards, the first motor 6 and the display piece placing plate 4 are driven to leave the storage box 2 through the first opening to reach the upper part of the exhibition stand 1. Meanwhile, the end of the first connecting arm 18 close to the supporting plate 5 is driven to rise, and the end of the first connecting arm 18 connected with the second connecting arm 20 is driven to fall through the fixing rod 16, so as to drive the second connecting arm 20 to fall, and the second connecting arm 20 falls to drive the display information board 3 to rotate away from the display stand 1 to be unfolded. So that the display placing board 4 and the display information board 3 are simultaneously displayed on the display stand 1.
The first motor 6 drives the display placing plate 4 to rotate so as to display the display in all directions, so that visitors can see the full view of the display.
When the supporting plate 5 moves downwards, the first motor 6 and the display piece placing plate 4 are driven to enter the storage box 2 through the first opening. Drive the one end decline that first connecting arm 18 is close to backup pad 5 simultaneously to through the dead lever 16 make the one end that first connecting arm 18 and second connecting arm 20 link to each other rise, in order to drive second connecting arm 20 and rise, second connecting arm 20 rises and drives exhibition piece information board 3 and be close to stand 1 rotation in order to fold, accomplish the exhibition piece and put board 4 and exhibition piece information board 3 and accomodate in storage tank 2 fast simultaneously.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.

Claims (9)

1. The utility model provides a display device is used in evaluation of science and technology activity efficiency which characterized in that includes:
the bottom of the exhibition stand is provided with a storage box, and the exhibition stand is provided with a first opening communicated with the interior of the storage box;
the display information board is arranged above the exhibition stand and hinged to one side of the exhibition stand;
the lifting assembly is arranged in the storage box;
the supporting plate is arranged in the storage box and connected to the lifting assembly, and the lifting assembly drives the supporting plate to lift;
the rotating assembly is arranged on the supporting plate;
the display piece placing plate is arranged above the display table and connected to the rotating assembly, the rotating assembly drives the display piece placing plate to rotate, and the support plate drives the display piece placing plate to leave or enter the storage box through the first opening;
at least one linkage subassembly is located exhibition piece information board with between the backup pad, pass through when the backup pad rises the linkage subassembly transmission drives exhibition piece information board is kept away from when the stand is rotatory, when descending pass through the linkage subassembly transmission drives exhibition piece information board is close to the stand is rotatory.
2. The display device for evaluating the efficiency of scientific and technological activities according to claim 1, comprising a connecting plate disposed on one side of the display information board, wherein the connecting plate is hinged to one side of the exhibition stand, one side of the display information board is provided with a first threaded rod, the first threaded rod is penetrated and disposed on the connecting plate, the first threaded rod is far away from one end of the display information board and is sleeved with a locking knob, and the connecting plate and the display information board are locked and fixedly connected through the locking knob and the first threaded rod.
3. The display device for evaluating the efficiency of scientific and technological activities according to claim 1, wherein the rotating component is a first motor, and an output shaft of the first motor is fixedly connected to the display placing plate.
4. The display device for scientific and technological activity efficiency evaluation according to claim 1, wherein the lifting assembly comprises:
the second motor is arranged at the bottom of the storage box;
the first gear is sleeved on the output shaft of the second motor;
the connecting rod is arranged beside the second motor through a mounting seat, a second gear is sleeved on the connecting rod, and the second gear is meshed with the first gear;
the two first bevel gears are respectively arranged at two ends of the connecting rod;
the two rectangular sleeves are arranged at the bottom of the storage box and are respectively positioned beside the two first bevel gears;
the two support rods are respectively penetrated and connected in the two rectangular sleeves in a sliding manner, and the upper ends of the support rods are connected with the bottoms of the support plates;
the two second threaded rods are respectively arranged in the two rectangular sleeves and the two supporting rods in a penetrating mode, the upper ends of the second threaded rods are connected to the supporting rods in a threaded mode, and the lower ends of the second threaded rods extend out of the rectangular sleeves;
and the two second bevel gears are respectively connected to the lower ends of the two second threaded rods and are respectively meshed with the two first bevel gears, and the lower ends of the second bevel gears are rotatably connected with the bottom of the storage box.
5. The display device for evaluating the efficiency of scientific and technological activities of claim 1, wherein a second opening is formed in one side wall of the storage box, a fixing rod is arranged in the second opening, and the linkage assembly comprises:
a mounting bracket connected to the support plate;
the first end of the first connecting arm is hinged with the mounting bracket, a first waist-shaped through hole is formed in the first connecting arm, and the first waist-shaped through hole is sleeved on the fixing rod;
and the first end of the second connecting arm is hinged with the second end of the first connecting arm, and the second end of the second connecting arm is hinged with the display information board.
6. The display device for evaluating the efficiency of scientific and technological activities according to claim 5, wherein the second end of the second connecting arm is provided with a second kidney-shaped through hole, a hinge rod passes through the second kidney-shaped through hole, the hinge rod is sleeved with a third connecting arm, and the other end of the third connecting arm is fixedly connected with the display information board.
7. The display device for evaluating the efficiency of scientific and technological activities according to claim 1, wherein the bottom of the storage box is provided with four universal wheels which are uniformly distributed.
8. The display device for evaluating the efficiency of scientific and technological activities according to claim 1, wherein two mounting plates are arranged inside the storage box, one side of each mounting plate is fixedly arranged on the inner side wall of the storage box, the other side of each mounting plate is fixedly arranged at the bottom of the storage box, and
each bottom of mounting panel all is equipped with the drawer.
9. The display device for evaluating the efficiency of scientific and technological activities according to claim 1, wherein two doors are arranged on one side of the storage box, and the sides of the two doors away from each other are hinged to the storage box.
CN202111197363.5A 2021-10-14 2021-10-14 Display device is used in evaluation of science and technology activity efficiency Active CN113925329B (en)

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