CN112535380B - Chinese language and literature culture propagation display device - Google Patents

Chinese language and literature culture propagation display device Download PDF

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Publication number
CN112535380B
CN112535380B CN202011425535.5A CN202011425535A CN112535380B CN 112535380 B CN112535380 B CN 112535380B CN 202011425535 A CN202011425535 A CN 202011425535A CN 112535380 B CN112535380 B CN 112535380B
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China
Prior art keywords
rod
display
block
sliding
chinese language
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CN202011425535.5A
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Chinese (zh)
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CN112535380A (en
Inventor
徐曼
贾开吉
黄亚婷
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Jiaozuo university
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Jiaozuo university
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Priority to CN202011425535.5A priority Critical patent/CN112535380B/en
Publication of CN112535380A publication Critical patent/CN112535380A/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
    • A47F3/00Show cases or show cabinets
    • A47F3/004Show cases or show cabinets adjustable, foldable or easily dismountable
    • 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
    • A47F11/00Arrangements in shop windows, shop floors or show cases
    • 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
    • A47F3/00Show cases or show cabinets
    • A47F3/08Show cases or show cabinets with arrangements for continuously or intermittently moving the merchandise
    • 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass

Abstract

The invention discloses a Chinese language and literature culture propagation display device, which relates to the technical field of display devices and comprises a lifting box, wherein the bottom end of the lifting box is fixedly connected with four locking universal wheels, the bottom end inside the lifting box is fixedly connected with four second sliding rods, and the surface of each second sliding rod is sleeved with a supporting plate in a sliding manner. The first display stand is prevented from being impacted.

Description

Chinese language and literature culture propagation display device
Technical Field
The invention relates to the technical field of display devices, in particular to a Chinese language and literature culture propagation display device.
Background
With the development of the modern Chinese language and literature culture propagation display technology, the requirements on the Chinese language and literature culture propagation display device are continuously improved, and the requirements on improving the efficiency of the Chinese language and literature culture propagation display device, reducing the use cost, having high efficiency and long service life are also improved.
Present chinese language literature culture propagation display device's height can not be adjusted, can only cushion the height that the cushion promoted chinese language literature culture propagation display device at the bottom of device, it is very inconvenient to operate, and can influence the overall arrangement of show scene, the size of show stand is fixed, the chinese language literature culture that can hold is fixed, when the chinese language literature culture that needs the propagation is more, just need to change great display device, and the space that great display device occupied is great, inconvenient transportation, device itself does not have the safeguard effect, make the show stand receive destruction easily, influence display device's life, for this, provide a chinese language literature culture propagation display device.
Disclosure of Invention
The invention aims to solve the defects that the display stand in the prior art is fixed in space, cannot adjust height and has no protection function, and provides a Chinese language and literature culture propagation display device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a Chinese language and literature culture propagation display device comprises a lifting box, wherein four locking universal wheels are fixedly connected to the bottom end of the lifting box, four second sliding rods are fixedly connected to the inner bottom end of the lifting box, a supporting plate is sleeved on the surface of each second sliding rod in a sliding mode, an electric telescopic rod is fixedly connected to the inner bottom end of the lifting box, the output end of the electric telescopic rod is fixedly connected with the supporting plate, a supporting rod is fixedly connected to the surface of the supporting plate, the top end of the supporting rod penetrates through the lifting box, the surface of the supporting rod is connected with the lifting box in a sliding mode, a display box is fixedly connected to the top end of the supporting rod, a first display platform is connected to the side face of the display box in a sliding mode, a servo motor is fixedly connected to the inner side wall of the lifting box, a driving rod is fixedly connected to the output end of the servo motor, and a sliding groove is fixedly connected to the inner side wall of the lifting box, a threaded rod is rotatably connected inside the sliding groove, a fixing nut is in threaded connection with the surface of the threaded rod, the surface of the fixing nut is in sliding connection with the sliding groove, an air bag is fixedly connected to the bottom end inside the display box, an air pipe is fixedly connected to the top end of the air bag, the surface of the air pipe is fixedly connected with the display box, a first sealing plug is in sliding connection with the inner side wall of the air pipe, a connecting rod is fixedly connected to the bottom end of the first sealing plug, an installation groove is fixedly connected inside the display box, a connecting block is in sliding connection with the top end of the installation groove, a spring rod is fixedly connected to the bottom end inside the connecting block, the top end of the spring rod is fixedly connected with the connecting rod, the bottom end of the connecting rod penetrates through the connecting block to enter the inside of the connecting block, the surface of the connecting rod is in sliding connection with the connecting block, and a second display platform is fixedly connected to the bottom end of the connecting block, the side and the mounting groove sliding connection of second show stand, slider has been seted up to the side of first show stand, tracheal inside wall sliding connection has the second sealing plug, the first transfer line of right-hand member fixedly connected with of second sealing plug, the trachea is passed to the right-hand member of first transfer line, the surface and the trachea sliding connection of first transfer line, the right-hand member fixedly connected with second transfer line of first transfer line, the inside wall sliding connection of second transfer line has the telescoping device, the fixed surface of display box is connected with the fixed block, the side fixedly connected with protector of fixed block.
Preferably, the sliding device comprises a rotating groove formed in the side face of the first display stand, a ball is connected to the inner side wall of the rotating groove in a sliding mode, the right end of the ball penetrates through the rotating groove, and the surface of the ball is connected with the first display stand in a sliding mode.
Preferably, the drive rod is in meshed connection with the threaded rod through a bevel gear.
Preferably, the telescopic device comprises a first sliding rod connected to the inner side wall of the second transmission rod in a sliding mode, and a spring is sleeved on the surface of the first sliding rod in a sliding mode.
Preferably, the top end of the spring is fixedly connected with the second transmission rod, and the bottom end of the spring is fixedly connected with the first sliding rod.
Preferably, the protection device comprises a first rotating shaft fixedly connected to the side face of the fixed block, a torsion spring is sleeved on the surface of the first rotating shaft in a rotating mode, a protection block is sleeved on the surface of the torsion spring in a rotating mode, a second rotating shaft is fixedly connected to the top end of the protection block, and the second driving rod is sleeved on the surface of the second rotating shaft in a rotating mode.
Preferably, one end of the torsion spring is fixedly connected with the first rotating shaft, the other end of the torsion spring is fixedly connected with the protection block, the torsion spring is always in a deformation state, and the torsion spring always has a clockwise rotation trend.
Compared with the prior art, the invention has the beneficial effects that:
1. after moving display device to the exhibition room, adjust the height of show case as required, start electric telescopic handle, electric telescopic handle's output drives the backup pad and removes, the backup pad drives the bracing piece and removes, the bracing piece drives the show case and removes, adjust the show case to suitable height, be convenient for better propagation chinese language literature culture, for traditional display device, the troublesome step of stepping up has been saved, the convenience of device has been improved, the speed of field arrangement has been accelerated, and the work efficiency is improved.
2. When the content of the chinese language literature culture that need not demonstrate down is placed to first show stand, start servo motor, servo motor's output drives the actuating lever and rotates, the actuating lever passes through bevel gear drive threaded rod and rotates, make fixation nut remove on the threaded rod, the fixation nut of both sides all moves to the outside, fixation nut drives first show stand and expandes to both sides, at the gasbag, the trachea, first sealing plug, the connecting rod, under the cooperation of spring beam and connecting block, the second show stand is automatic to be stretched out, the total area of show stand has been increased, make the show stand can hold more chinese language literature cultures, the practicality of device has been increased, for traditional display device, the trouble of changing the show stand has been saved, the efficiency of field arrangement has been improved, the practicality of device has been increased.
3. Valuable articles can be placed in the second show stand, accomodate the inside at the show case at the second show stand, can be when the high tide when spreading chinese language literary culture, start driving motor, make the second show stand stretch out, let spectator see the content on the second show stand, make spectator's eye-ahead bright, deepen spectator to chinese language literary culture's impression, the publicity effect of chinese language literary culture has been improved, the practicality of device has been improved, for traditional display device, the accomodating of second show stand, not only the space has been saved, can also strengthen the publicity effect.
4. Under the cooperation of second sealing plug, first transfer line, second transfer line and torsion spring, the protection piece can expand automatically, and the protection piece can contain first show stand, avoids first show stand to receive the striking, and fine protection first show stand has increased the life of first show stand, and first show stand does not expand the beginning, and protector is automatic to be drawn back, has reduced the space that the device occupy, has increased the practicality of device.
Drawings
FIG. 1 is a perspective view of a Chinese language and literature culture propagation display device according to the present invention;
FIG. 2 is a top view of a Chinese language and literature culture propagation display device according to the present invention;
FIG. 3 is a flow chart of a Chinese language and literature culture propagation display device according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is an enlarged view at C of FIG. 2;
fig. 7 is a sectional view of the second transmission lever;
FIG. 8 is a schematic connection diagram of a Chinese language and literature culture propagation display device according to the present invention;
FIG. 9 is a partial side view of a Chinese language and literature culture propagation display device according to the present invention;
fig. 10 is a partial cross-sectional view of a chinese language and literature culture propagation display device according to the present invention.
In the figure: 1 lifting box, 2 locking universal wheels, 3 supporting rods, 4 display boxes, 5 first display platforms, 6 servo motors, 7 sliding grooves, 8 threaded rods, 9 fixing nuts, 10 air bags, 11 air pipes, 12 first sealing plugs, 13 connecting rods, 14 mounting grooves, 15 connecting blocks, 16 spring rods, 17 second display platforms, 18 rotating grooves, 19 balls, 20 second sealing plugs, 21 first transmission rods, 22 second transmission rods, 23 first rotating shafts, 24 protection blocks, 25 second rotating shafts, 26 first sliding rods, 27 springs, 28 fixing blocks, 29 second sliding rods, 30 supporting plates, 31 electric telescopic rods, 32 driving rods and 33 torsion springs.
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.
Referring to fig. 1-10, a chinese language and literature culture propagation display device comprises a lifting box 1, four locking universal wheels 2 are fixedly connected to the bottom end of the lifting box 1, the locking universal wheels 2 can reduce the friction force between the display device and the ground, the display device is convenient to move, the friction between the lifting box 1 and the ground is avoided, the lifting box 1 is protected, four second slide bars 29 are fixedly connected to the inner bottom end of the lifting box 1, a support plate 30 is slidably sleeved on the surface of each second slide bar 29, the second slide bars 29 are used for increasing the stability of the support plate 30, the stability of the display device is further increased, the performance of the display device is improved, an electric telescopic rod 31 is fixedly connected to the inner bottom end of the lifting box 1, the output end of the electric telescopic rod 31 is fixedly connected with the support plate 30, and a support rod 3 is fixedly connected to the surface of the support plate 30, lift box 1 is passed on the top of bracing piece 3, the surface and the 1 sliding connection of lift box of bracing piece 3, the top fixedly connected with show box 4 of bracing piece 3, the side sliding connection of show box 4 has first show stand 5, the inside wall fixedly connected with servo motor 6 of lift box 1, servo motor 6's output fixedly connected with actuating lever 32, the inside wall fixedly connected with spout 7 of lift box 1, the internal rotation of spout 7 is connected with threaded rod 8, be connected through bevel gear meshing between actuating lever 32 and the threaded rod 8, the transmission effect between actuating lever 32 and the threaded rod 8 has been realized, change the direction of drive power simultaneously, make servo motor 6 can install the side at show box 4, the reasonable space that has utilized show box 4, the space that the device occupy has been reduced.
Threaded rod 8's surperficial threaded connection has fixation nut 9, fixation nut 9's surface and 7 sliding connection of spout, the inside bottom fixedly connected with gasbag 10 of show case 4, the top fixedly connected with trachea 11 of gasbag 10, trachea 11's surface and show case 4 fixed connection, trachea 11's inside wall sliding connection has first sealing plug 12, the bottom fixedly connected with connecting rod 13 of first sealing plug 12, show case 4's inside fixedly connected with mounting groove 14, the top sliding connection of mounting groove 14 has connecting block 15, connecting block 15's inside bottom fixedly connected with spring beam 16, spring beam 16's top and connecting rod 13 fixed connection, connecting block 15 gets into the inside of connecting block 15 is passed to the bottom of connecting rod 13, connecting block 13's surface and connecting block 15 sliding connection, connecting block 15's bottom fixedly connected with second show platform 17, the side and the mounting groove 14 sliding connection of second show platform 17.
Slide means has been seted up to the side of first show stand 5, slide means is including seting up the rotation groove 18 in first show stand 5 side, the inside wall sliding connection who rotates groove 18 has ball 19, the right-hand member of ball 19 passes rotation groove 18, the surface and the 5 sliding connection of first show stand of ball 19, slide means can reduce the frictional force between first show stand 5 and the second show stand 17, first show stand 5 and the wearing and tearing of second show stand 17 have been avoided, make second show stand 17 accomodate more easily simultaneously, the convenience of device has been increased, the life of first show stand 5 and second show stand 17 has been increased simultaneously.
The inner side wall of the air pipe 11 is connected with a second sealing plug 20 in a sliding manner, the right end of the second sealing plug 20 is fixedly connected with a first transmission rod 21, the right end of the first transmission rod 21 penetrates through the air pipe 11, the surface of the first transmission rod 21 is connected with the air pipe 11 in a sliding manner, the right end of the first transmission rod 21 is fixedly connected with a second transmission rod 22, the inner side wall of the second transmission rod 22 is connected with a telescopic device in a sliding manner, the telescopic device comprises a first sliding rod 26 connected with the inner side wall of the second transmission rod 22 in a sliding manner, a spring 27 is sleeved on the surface of the first sliding rod 26 in a sliding manner, the top end of the spring 27 is fixedly connected with the second transmission rod 22, the bottom end of the spring 27 is fixedly connected with the first sliding rod 26, the inner side wall of the first sliding rod 26 is connected with a telescopic device which is the same as the inner side wall of the second transmission rod 22 in a sliding manner, the size of the telescopic device in the first sliding rod 26 is smaller than that in the second transmission rod 22, and the telescopic devices can be overlapped all the time, the length of the telescopic device can be changed according to the change of external force, so that the telescopic device has high flexibility and the flexibility of the telescopic device is improved.
Fixed surface of display box 4 is connected with fixed block 28, the side fixedly connected with protector of fixed block 28, protector includes the first axis of rotation 23 of fixed connection in the fixed block 28 side, the surface of first axis of rotation 23 rotates and has cup jointed torsion spring 33, torsion spring 33's surface rotates and has cup jointed protection piece 24, the top fixedly connected with second axis of rotation 25 of protection piece 24, second transfer line 22 rotates and cup joints the surface at second axis of rotation 25, torsion spring 33's one end and first axis of rotation 23 fixed connection, torsion spring 33's the other end and protection piece 24 fixed connection, torsion spring 33 is in the deformation state all the time, torsion spring 33 has clockwise pivoted trend all the time, torsion spring 33 can make the protector tightly paste first show stand 5 when expanding, fine protection first show stand 5, the life of first show stand 5 has been increased.
According to the invention, after the display device is moved to a display hall, the height of the display box 4 is adjusted as required, the electric telescopic rod 31 is started, the output end of the electric telescopic rod 31 drives the supporting plate 30 to move, the supporting plate 30 drives the supporting rod 3 to move, the supporting rod 3 drives the display box 4 to move, and the display box 4 is adjusted to a proper height, so that Chinese language and literature culture can be better propagated.
When the first display stand 5 is not placed with the Chinese language and literature culture to be displayed, the servo motor 6 is started, the output end of the servo motor 6 drives the driving rod 32 to rotate, the driving rod 32 drives the threaded rod 8 to rotate through the bevel gear, so that the fixing nut 9 moves on the threaded rod 8, the fixing nuts 9 on two sides move outwards, the fixing nut 9 drives the first display stand 5 to expand towards two sides, after the fixing nut 9 is contacted with the air bag 10, the fixing nut 9 presses the air bag 10, the air bag 10 contracts, the air in the air bag 10 is pressed into the air pipe 11, the air pressure in the air pipe 11 increases, the first sealing plug 12 moves downwards under the action of the air pressure, the first sealing plug 12 drives the connecting rod 13 to move downwards, the connecting rod 13 presses the spring rod 16, the spring rod 16 contracts, when the first display stand 5 is completely expanded, the first display stand 5 does not block the second display stand 17 any more, spring beam 16 stretches, and spring beam 16 drives connecting block 15 downstream, and connecting block 15 drives second show stand 17 downstream, and second show stand 17 stretches out, and first show stand 5 adds the total area increase of second show stand 17, can hold more chinese language and literature culture.
In the process of opening the second display stand 17, under the action of air pressure, the second sealing plug 20 moves rightwards, the second sealing plug 20 drives the first transmission rod 21 to move rightwards, the first transmission rod 21 drives the second transmission rod 22 to move rightwards, the second transmission rod 22 drives the top end of the protection block 24 to move rightwards, the torsion spring 33 has a restoring trend, the torsion spring 33 rotates rightwards, the torsion spring 33 drives the protection block 24 to rotate rightwards, the protection block 24 pulls the second transmission rod 22, the first sliding rod 26 extends out, the spring 27 contracts, the second transmission rod 22 lengthens, and when the second display stand 17 completely extends out, the protection block 24 is in close contact with the first display stand 5.
After the exhibition is completed, the second exhibition stand 17 is pressed inwards, the second exhibition stand 17 moves inwards, the second exhibition stand 17 leaves the first exhibition stand 5, the output end of the servo motor 6 rotates reversely, the two fixing nuts 9 move towards the middle, the first exhibition stand 5 resets, the air bag 10 restores, the air pressure in the air pipe 11 is reduced, the first sealing plug 12 moves upwards, the connecting rod 13 resets, the connecting rod 13 drives the spring rod 16 to reset, the spring rod 16 drives the connecting block 15 to reset, the second sealing plug 20 moves leftwards, the second sealing plug 20 drives the first transmission rod 21 to move leftwards, the first transmission rod 21 drives the second transmission rod 22 to move leftwards, the second transmission rod 22 drives the top end of the protective block 24 to move leftwards, the protective block 24 rotates anticlockwise, the torsion spring 33 twists and stores the force, the spring 27 stretches, the spring 27 drives the first sliding rod 26 to retract into the second transmission rod 22, and the second transmission rod 22 restores.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The Chinese language and literature culture propagation display device comprises a lifting box (1) and is characterized in that the bottom of the lifting box (1) is fixedly connected with four locking universal wheels (2), the inner bottom of the lifting box (1) is fixedly connected with four second slide bars (29), the surface of each second slide bar (29) is sleeved with a support plate (30) in a sliding manner, the inner bottom of the lifting box (1) is fixedly connected with an electric telescopic rod (31), the output end of the electric telescopic rod (31) is fixedly connected with the support plate (30), the surface of the support plate (30) is fixedly connected with a support rod (3), the top end of the support rod (3) penetrates through the lifting box (1), the surface of the support rod (3) is slidably connected with the lifting box (1), and the top end of the support rod (3) is fixedly connected with a display box (4), the side surface of the display box (4) is slidably connected with a first display platform (5), the inner side wall of the lifting box (1) is fixedly connected with a servo motor (6), the output end of the servo motor (6) is fixedly connected with a driving rod (32), the inner side wall of the lifting box (1) is fixedly connected with a sliding chute (7), the inner part of the sliding chute (7) is rotatably connected with a threaded rod (8), the surface of the threaded rod (8) is in threaded connection with a fixing nut (9), the surface of the fixing nut (9) is slidably connected with the sliding chute (7), the inner bottom end of the display box (4) is fixedly connected with an air bag (10), the top end of the air bag (10) is fixedly connected with an air pipe (11), the surface of the air pipe (11) is fixedly connected with the display box (4), and the inner side wall of the air pipe (11) is slidably connected with a first sealing plug (12), the bottom end of the first sealing plug (12) is fixedly connected with a connecting rod (13), the inside of the display box (4) is fixedly connected with a mounting groove (14), the top end of the mounting groove (14) is connected with a connecting block (15) in a sliding manner, the inside bottom end of the connecting block (15) is fixedly connected with a spring rod (16), the top end of the spring rod (16) is fixedly connected with the connecting rod (13), the bottom end of the connecting rod (13) penetrates through the connecting block (15) to enter the inside of the connecting block (15), the surface of the connecting rod (13) is connected with the connecting block (15) in a sliding manner, the bottom end of the connecting block (15) is fixedly connected with a second display platform (17), the side surface of the second display platform (17) is connected with the mounting groove (14) in a sliding manner, a sliding device is arranged on the side surface of the first display platform (5), and the inner side wall of the air pipe (11) is connected with a second sealing plug (20) in a sliding manner, the utility model discloses a trachea, including first drive rod (21) of right-hand member fixedly connected with of second sealing plug (20), trachea (11) are passed to the right-hand member of first drive rod (21), the surface and trachea (11) sliding connection of first drive rod (21), the right-hand member fixedly connected with second drive rod (22) of first drive rod (21), the inside wall sliding connection of second drive rod (22) has the telescoping device, the fixed surface of show case (4) is connected with fixed block (28), the side fixedly connected with protector of fixed block (28).
2. The Chinese language and literature culture propagation display device according to claim 1, wherein the sliding device comprises a rotating groove (18) formed in the side surface of the first display stand (5), a ball (19) is slidably connected to the inner side wall of the rotating groove (18), the right end of the ball (19) penetrates through the rotating groove (18), and the surface of the ball (19) is slidably connected with the first display stand (5).
3. The Chinese language and literature culture propagation display device according to claim 1, wherein the driving rod (32) is connected with the threaded rod (8) through bevel gear engagement.
4. A chinese language and literature culture propagation display device according to claim 1, wherein the telescoping device comprises a first slide bar (26) slidably connected to the inner side wall of the second transmission rod (22), and a spring (27) is slidably sleeved on the surface of the first slide bar (26).
5. A Chinese language and literature culture propagation display device according to claim 4, wherein the top end of the spring (27) is fixedly connected with the second transmission rod (22), and the bottom end of the spring (27) is fixedly connected with the first sliding rod (26).
6. The Chinese language and literature culture propagation display device according to claim 1, wherein the protection device comprises a first rotating shaft (23) fixedly connected to the side of the fixed block (28), a torsion spring (33) is rotatably sleeved on the surface of the first rotating shaft (23), a protection block (24) is rotatably sleeved on the surface of the torsion spring (33), a second rotating shaft (25) is fixedly connected to the top end of the protection block (24), and the second driving rod (22) is rotatably sleeved on the surface of the second rotating shaft (25).
7. The Chinese language and literature culture propagation display device according to claim 6, wherein one end of the torsion spring (33) is fixedly connected with the first rotating shaft (23), the other end of the torsion spring (33) is fixedly connected with the protection block (24), the torsion spring (33) is always in a deformation state, and the torsion spring (33) always has a clockwise rotation tendency.
CN202011425535.5A 2020-12-09 2020-12-09 Chinese language and literature culture propagation display device Active CN112535380B (en)

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CN112535380A CN112535380A (en) 2021-03-23
CN112535380B true CN112535380B (en) 2021-10-12

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