CN215423872U

CN215423872U - Science and technology center uses adjustable show shelf

Info

Publication number: CN215423872U
Application number: CN202121425754.3U
Authority: CN
Inventors: 莫洪伟; 谷明洋
Original assignee: Hefei Xuanwei Automation Technology Co ltd
Current assignee: Hefei Xuanwei Automation Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-07
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses an adjustable display rack for a science and technology center, which comprises a movable base and an exhibit, wherein the upper surface of the movable base is respectively and fixedly connected with a circulating steering box and a controller, the inner wall of the circulating steering box is rotatably connected with a steering shaft rod through a bearing, the inner wall of the circulating steering box is provided with a steering mechanism for driving the steering shaft rod to rotate, the top end of the steering shaft rod is fixedly connected with a clamping flat plate, and the upper surface of the clamping flat plate is provided with a mounting groove. This science and technology center uses adjustable show shelf, electric telescopic handle intermittent type nature concertina movement under time relay control to can drive and turn to the three hundred thirty degrees reciprocal rotations of axostylus axostyle, first servo motor rotates and drives positive and negative tooth threaded rod and rotates, can make two removal nuts be close to each other or separate, thereby drive two hemisphere translucent cover blocks and separation, second servo motor can drive two hemisphere translucent covers and rotate, and then drive the exhibit upset, thereby greatly strengthened the bandwagon effect of this show shelf.

Description

Science and technology center uses adjustable show shelf

Technical Field

The utility model relates to the technical field of display devices, in particular to an adjustable display stand for a science and technology museum.

Background

The showing stand is a device for showing products, so that the products can be shown in the front of the public in a striking way, and the advertising effect on the products is enhanced.

Current show shelf is fixed structure mostly, is difficult to adjust according to the size of product, and is relatively poor to the bandwagon effect of product, lacks the novelty, is not suitable for using in the science and technology museum.

Therefore, the utility model provides an adjustable display stand for a science and technology museum.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable display stand for a science and technology museum, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable display rack for a science and technology center comprises a movable base and a display, wherein the upper surface of the movable base is respectively and fixedly connected with a circulation steering box and a controller, the inner wall of the circulation steering box is rotatably connected with a steering shaft rod through a bearing, the inner wall of the circulation steering box is provided with a steering mechanism for driving the steering shaft rod to rotate, the top end of the steering shaft rod is fixedly connected with a clamping flat plate, the upper surface of the clamping flat plate is provided with a mounting groove, the inner wall of the mounting groove is rotatably connected with a positive and negative threaded rod, the right side wall of the clamping flat plate is provided with a first servo motor for driving the positive and negative threaded rod to rotate, the external thread surface of the positive and negative threaded rod is symmetrically and threadedly connected with two movable nuts matched with the mounting groove, the surfaces of the two movable nuts are fixedly connected with supporting vertical rods, and the inner walls of the two supporting vertical rods are rotatably connected with hemispherical transparent covers through bearings, two hemisphere translucent covers mutual adaptation, the right side wall that the montant was supported on the right side is provided with and is used for driving hemisphere translucent cover pivoted second servo motor, and the inner wall of two hemisphere translucent covers is provided with fixture.

Preferably, a time relay is arranged in the controller, and the controller is electrically connected with an external power supply.

Preferably, steering mechanism includes the electric telescopic handle of fixed connection at the internal right wall of circulation steering box, and electric telescopic handle's flexible end fixedly connected with spur rack turns to the surperficial fixedly connected with external gear of axostylus axostyle, spur rack and external gear intermeshing.

Preferably, the left side wall of the circulation steering box is embedded with a linear bearing, the inner ring surface of the linear bearing is connected with an auxiliary limiting rod in a sliding manner, and the right end of the auxiliary limiting rod is fixedly connected with the left end of the spur rack.

Preferably, fixture includes the movable sleeve of fixed connection at two hemisphere translucent cover inner walls, the equal fixedly connected with reset spring of two movable sleeve's inner wall, the equal fixedly connected with supporting rod of the other end of two reset spring, the equal fixedly connected with of one end that two supporting rods are close is used for the semi-circular rubber pad of centre gripping showpiece.

Preferably, the upper surface of the clamping plate is fixedly connected with four light supplementing lamps, and the four light supplementing lamps are arranged at four corners of the upper surface of the clamping plate in a rectangular array mode.

Advantageous effects

The utility model provides an adjustable showing stand for a science and technology center, which has the following beneficial effects:

1. this science and technology center uses adjustable show shelf, through setting up electric telescopic handle, spur rack and external gear, electric telescopic handle intermittent type nature concertina movement under time relay control, thereby can drive three hundred thirty degrees reciprocating rotation of steering shaft pole, through setting up positive and negative tooth threaded rod, removal nut and first servo motor, first servo motor rotates and drives positive and negative tooth threaded rod and rotates, can make two removal nuts be close to each other or separate, thereby drive two hemisphere translucent cover blocks and separation, through setting up second servo motor, can drive two hemisphere translucent covers and rotate, drive the upset of showpiece, thereby greatly strengthened the bandwagon effect of this show shelf.

2. This science and technology center is with adjustable show shelf removes the base through the setting, is convenient for remove this show shelf, can alternate the show region as required, through setting up movable sleeve, reset spring, supporting rod and semi-circular rubber pad, utilizes reset spring's elasticity, can adapt to carry out the centre gripping fixedly to the showpiece of equidimension not.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1.

In the figure: 1 removal base, 2 showpiece, 3 circulation turn to the box, 4 controllers, 5 steering shaft poles, 6 centre gripping is dull and stereotyped, 7 mounting grooves, 8 positive and negative tooth threaded rods, 9 first servo motor, 10 support montants, 11 hemisphere translucent covers, 12 second servo motor, 13 electric telescopic handle, 14 spur rack, 15 external gear, 16 linear bearing, 17 supplementary gag lever post, 18 movable sleeve, 19 reset spring, 20 holding rod, 21 semicircular rubber pads, 22 light filling lamp, 23 removal nuts.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a science and technology center is with adjustable show shelf, is including removing base 1 and showpiece 2, and the upper surface of removing base 1 fixedly connected with circulation respectively turns to box 3 and controller 4, and the inside of controller 4 is provided with time relay, controller 4 and external power source electric connection.

The inner wall of the circular steering box 3 is rotatably connected with a steering shaft rod 5 through a bearing, the inner wall of the circular steering box 3 is provided with a steering mechanism for driving the steering shaft rod 5 to rotate, the steering mechanism comprises an electric telescopic rod 13 fixedly connected to the right wall in the circular steering box 3, a telescopic end of the electric telescopic rod 13 is fixedly connected with a spur rack 14, the surface of the steering shaft rod 5 is fixedly connected with an external gear 15, the spur rack 14 is mutually meshed with the external gear 15, the left side wall of the circular steering box 3 is embedded with a linear bearing 16, the inner annular surface of the linear bearing 16 is slidably connected with an auxiliary limiting rod 17, the right end of the auxiliary limiting rod 17 is fixedly connected with the left end of the spur rack 14, through setting up electric telescopic handle 13, spur rack 14 and external gear 15, electric telescopic handle 13 is the concertina movement of intermittent type nature under time relay control to can drive steering shaft pole 5 three hundred thirty degrees reciprocating rotation.

The dull and stereotyped 6 of top fixedly connected with centre gripping of steering spindle pole 5, four light filling lamps 22 of the last fixed surface of the dull and stereotyped 6 of centre gripping, four light filling lamps 22 are the four corners department of rectangle array setting at the dull and stereotyped 6 upper surface of centre gripping.

The upper surface of the clamping flat plate 6 is provided with a mounting groove 7, the inner wall of the mounting groove 7 is rotationally connected with a positive and negative threaded rod 8, the right side wall of the clamping flat plate 6 is provided with a first servo motor 9 for driving the positive and negative threaded rod 8 to rotate, the external thread surface of the positive and negative threaded rod 8 is symmetrically and threadedly connected with two movable nuts 23 matched with the mounting groove 7, the surfaces of the two movable nuts 23 are fixedly connected with supporting vertical rods 10, the inner walls of the two supporting vertical rods 10 are rotationally connected with hemispherical transparent covers 11 through bearings, the two hemispherical transparent covers 11 are mutually matched, through setting up positive and negative tooth threaded rod 8, removal nut 23 and first servo motor 9, first servo motor 9 rotates and drives positive and negative tooth threaded rod 8 and rotate, can make two removal nuts 23 be close to each other or separate to drive 11 blocks of two hemisphere translucent covers and separation.

The right side wall of montant 10 is supported on the right side is provided with and is used for driving 11 pivoted second servo motor 12 of hemisphere translucent cover, the inner wall of two hemisphere translucent covers 11 is provided with fixture, fixture includes the movable sleeve 18 of fixed connection at 11 inner walls of two hemisphere translucent covers, the equal fixedly connected with reset spring 19 of inner wall of two movable sleeve 18, the equal fixedly connected with supporting rod 20 of the other end of two reset spring 19, the equal fixedly connected with of one end that two supporting rod 20 are close is used for centre gripping exhibit 2 semi-circular rubber pad 21, through setting up movable sleeve 18, reset spring 19, supporting rod 20 and semi-circular rubber pad 21, utilize reset spring 19's elasticity, can adapt to not equidimension exhibit 2 and carry out the centre gripping fixedly.

This science and technology center is with adjustable show shelf through setting up second servo motor 12, can drive two hemisphere translucent covers 11 rotations, drives 2 upsets of showpiece to greatly strengthened the bandwagon effect of this show shelf.

The working principle is as follows: when the adjustable showing stand is used in the science and technology center, the two hemispherical transparent covers 11 are in an open state, the first servo motor 9 rotates to drive the positive and negative threaded rods 8 to rotate, the two movable nuts 23 are close to each other, so that the two hemispherical transparent covers 11 are driven to close to each other, the handheld exhibit 2 is placed into the two semicircular rubber pads 21, the exhibit 2 is clamped by the elasticity of the reset spring 19 until the first servo motor 9 stops rotating after the two hemispherical transparent covers 11 are fastened to each other, the electric telescopic rod 13 intermittently extends and retracts under the control of the time relay through the electric telescopic rod 13, the straight rack 14 and the outer gear 15, so that the steering shaft rod 5 can be driven to rotate in a three hundred thirty degrees reciprocating manner, the two hemispherical transparent covers 11 can be driven to rotate through the second servo motor 12, the exhibit 2 is driven to turn over, and the showing effect of the showing stand is greatly enhanced, and the display effect is novel.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a science and technology center is with adjustable show shelf, is including removing base (1) and showpiece (2), its characterized in that: the upper surface of the movable base (1) is respectively and fixedly connected with a circulation steering box (3) and a controller (4), the inner wall of the circulation steering box (3) is rotatably connected with a steering shaft rod (5) through a bearing, the inner wall of the circulation steering box (3) is provided with a steering mechanism for driving the steering shaft rod (5) to rotate, the top end of the steering shaft rod (5) is fixedly connected with a clamping flat plate (6), the upper surface of the clamping flat plate (6) is provided with a mounting groove (7), the inner wall of the mounting groove (7) is rotatably connected with a positive and negative threaded rod (8), the right side wall of the clamping flat plate (6) is provided with a first servo motor (9) for driving the positive and negative threaded rod (8) to rotate, the outer thread surface of the positive and negative threaded rod (8) is symmetrically and threadedly connected with two movable nuts (23) matched with the mounting groove (7), the surfaces of the two movable nuts (23) are fixedly connected with a supporting vertical rod (10), the inner walls of the two supporting vertical rods (10) are all rotatably connected with hemispherical transparent covers (11) through bearings, the two hemispherical transparent covers (11) are mutually matched, the right side wall of the right supporting vertical rod (10) is provided with a second servo motor (12) used for driving the hemispherical transparent covers (11) to rotate, and the inner walls of the two hemispherical transparent covers (11) are provided with clamping mechanisms.

2. The adjustable display stand of claim 1, wherein: the controller (4) is internally provided with a time relay, and the controller (4) is electrically connected with an external power supply.

3. The adjustable display stand of claim 1, wherein: steering mechanism includes electric telescopic handle (13) of right wall in the circulation turns to box (3) of fixed connection, and electric telescopic handle's (13) flexible end fixedly connected with spur rack (14), the fixed surface of turning to axostylus axostyle (5) is connected with outer gear (15), spur rack (14) and outer gear (15) intermeshing.

4. The adjustable display stand of claim 1, wherein: the left side wall of the circulation steering box (3) is embedded with a linear bearing (16), the inner annular surface of the linear bearing (16) is connected with an auxiliary limiting rod (17) in a sliding mode, and the right end of the auxiliary limiting rod (17) is fixedly connected with the left end of the straight rack (14).

5. The adjustable display stand of claim 1, wherein: fixture includes movable sleeve (18) of fixed connection at two hemisphere translucent cover (11) inner walls, the equal fixedly connected with reset spring (19) of inner wall of two movable sleeve (18), the equal fixedly connected with supporting rod (20) of the other end of two reset spring (19), the equal fixedly connected with of one end that two supporting rod (20) are close is used for semi-circular rubber pad (21) of centre gripping showpiece (2).

6. The adjustable display stand of claim 1, wherein: the upper surface of the clamping plate (6) is fixedly connected with four light supplementing lamps (22), and the four light supplementing lamps (22) are arranged at four corners of the upper surface of the clamping plate (6) in a rectangular array mode.