阅读说明：本技术 一种生物技术推广用展示架 (Display rack for biotechnology popularization ) 是由 贾广超 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种生物技术推广用展示架,具体涉及生物技术推广技术领域,包括底座,所述底座两侧均设有电机,所述电机输出端传动连接有转轴,所述转轴中部设有固定轴套,所述转轴远离电机的一端固定连接有第一转向齿轮,所述电机底端设有固定座,所述底座顶端设有螺杆,所述螺杆数量设为两个,所述螺杆底端与底座贯穿连接,所述螺杆底端固定连接有第二转向齿轮。本发明通过设置螺杆、螺套和展示框,启动电机可带动螺杆转动,螺杆转动时可带动螺套升降,进而可带动展示框升降,将展示框调节到适当的高度,便于展示架在不同场景使用,便于观众观看展示框内的内容,提高对生物技术的推广力度。(The invention discloses a display rack for biotechnology popularization, and particularly relates to the technical field of biotechnology popularization. According to the invention, the screw rod, the threaded sleeve and the display frame are arranged, the starting motor can drive the screw rod to rotate, the threaded sleeve can be driven to lift when the screw rod rotates, and then the display frame can be driven to lift, so that the display frame is adjusted to a proper height, the display frame is convenient to use in different scenes, audiences can watch the contents in the display frame conveniently, and the popularization of biotechnology is improved.)

1. The utility model provides a display stand is used in biotechnology popularization, includes base (1), its characterized in that: the motor (2) is arranged on two sides of the base (1), the rotating shaft (3) is connected to the output end of the motor (2) in a transmission manner, the fixing shaft sleeve (4) is arranged in the middle of the rotating shaft (3), the first steering gear (5) is fixedly connected to one end, far away from the motor (2), of the rotating shaft (3), the fixing seat (6) is arranged at the bottom end of the motor (2), screw rods (7) are arranged at the top end of the base (1), the number of the screw rods (7) is two, the bottom end of each screw rod (7) is connected with the base (1) in a penetrating manner, the second steering gear (8) is fixedly connected to the bottom end of each screw rod (7), a bearing (9) is arranged at the joint of each screw rod (7) and the base (1), a sliding rod (10) is arranged on one side of each screw rod (7), a, show equal fixedly connected with swivel nut (12) in frame (11) both ends, one side fixedly connected with connecting seat (13) of show frame (11) are kept away from in swivel nut (12), one side fixedly connected with sliding sleeve (14) of swivel nut (12) are kept away from in connecting seat (13).

2. The display rack for biotechnology popularization according to claim 1, wherein: fixed axle sleeve (4) top and base (1) inner wall fixed connection, fixed axle sleeve (4) bottom and base (1) inner wall fixed connection, one side and the meshing of second steering gear (8) that pivot (3) were kept away from in first steering gear (5).

3. The display rack for biotechnology popularization according to claim 1, wherein: the bottom end of the bearing (9) is fixedly connected with the base (1), and the bearing (9) is sleeved on the outer side of the screw rod (7).

4. The display rack for biotechnology popularization according to claim 1, wherein: the screw rod (7) and the top end of the sliding rod (10) are fixedly connected with a limiting block (15), the inner side of the threaded sleeve (12) is in threaded connection with the screw rod (7), and the sliding sleeve (14) is movably sleeved on the outer side of the sliding rod (10).

5. The display rack for biotechnology popularization according to claim 1, wherein: the two screw rods (7) are symmetrically distributed about the central axis of the base (1), and the two sliding rods (10) are symmetrically distributed about the central axis of the base (1).

Technical Field

The invention relates to the technical field of biotechnology popularization, in particular to a display stand for biotechnology popularization.

Background

At present, with the progress of society, the development of biotechnology is faster and faster, and biotechnology is also applied to the aspects of life, but the popularization strength of biotechnology is insufficient, people lack deep understanding of biotechnology, and the display rack for popularization of biotechnology can display information of products related to biotechnology on the display rack to help people to know and understand biotechnology.

The height of the prior display stand for biotechnological popularization cannot be adjusted, so that the display stand cannot be suitable for various scenes.

Therefore, it is necessary to invent a display rack for biotechnology popularization to solve the above problems.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a display rack for biotechnology promotion, in which a screw, a threaded sleeve and a display frame are provided, a start motor can drive the screw to rotate, and when the screw rotates, the threaded sleeve can be driven to lift, so as to drive the display frame to lift, and adjust the display frame to a proper height, thereby facilitating the use of the display rack in different scenes, facilitating the viewing of the content in the display frame by the audience, and improving the promotion strength of biotechnology, so as to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a display stand for biotechnology promotion comprises a base, wherein both sides of the base are provided with motors, the output ends of the motors are in transmission connection with rotating shafts, a fixed shaft sleeve is arranged in the middle of the rotating shaft, a first steering gear is fixedly connected at one end of the rotating shaft far away from the motor, the bottom end of the motor is provided with a fixed seat, the top end of the base is provided with two screw rods, the bottom end of the screw rod is in through connection with the base, the bottom end of the screw rod is fixedly connected with a second steering gear, a bearing is arranged at the joint of the screw rods and the base, a slide rod is arranged at one side of each screw rod, a display frame is arranged between the two screw rods, the display frame is characterized in that the number of the display frames is multiple, threaded sleeves are fixedly connected to two ends of each display frame, one side of each threaded sleeve, which is far away from each display frame, is fixedly connected with a connecting seat, and one side of each connecting seat, which is far away from each threaded sleeve, is fixedly connected with a sliding sleeve.

In a preferred embodiment, the top end of the fixed shaft sleeve is fixedly connected with the inner wall of the base, the bottom end of the fixed shaft sleeve is fixedly connected with the inner wall of the base, and one side of the first steering gear, which is far away from the rotating shaft, is meshed with the second steering gear.

In a preferred embodiment, the bottom end of the bearing is fixedly connected with the base, and the bearing is sleeved outside the screw rod.

In a preferred embodiment, the top ends of the screw rod and the sliding rod are fixedly connected with limiting blocks, the inner side of the threaded sleeve is in threaded connection with the screw rod, and the sliding sleeve is movably sleeved on the outer side of the sliding rod.

In a preferred embodiment, two of the threaded rods are symmetrically distributed about the central axis of the base, and two of the sliding rods are symmetrically distributed about the central axis of the base.

The invention has the technical effects and advantages that:

1. through setting up screw rod, swivel nut and show frame, starter motor can drive the screw rod and rotate, can drive the swivel nut when the screw rod rotates and go up and down, and then can drive the show frame and go up and down, adjusts the show frame to appropriate height, and the show frame of being convenient for is used at different scenes, and the spectator of being convenient for watches the content in the show frame, improves biotechnology's popularization dynamics.

Drawings

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

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention.

FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention.

The reference signs are: the display device comprises a base 1, a motor 2, a rotating shaft 3, a fixed shaft sleeve 4, a first steering gear 5, a fixed seat 6, a screw rod 7, a second steering gear 8, a bearing 9, a sliding rod 10, a display frame 11, a threaded sleeve 12, a connecting seat 13, a sliding sleeve 14 and a limiting block 15.

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.

The display rack for the biotechnology popularization shown in figures 1-3 comprises a base 1, wherein both sides of the base 1 are respectively provided with a motor 2, the output end of the motor 2 is in transmission connection with a rotating shaft 3, the middle part of the rotating shaft 3 is provided with a fixed shaft sleeve 4, one end of the rotating shaft 3, which is far away from the motor 2, is fixedly connected with a first steering gear 5, the bottom end of the motor 2 is provided with a fixed seat 6, the top end of the base 1 is provided with two screw rods 7, the bottom end of each screw rod 7 is in through connection with the base 1, the bottom end of each screw rod 7 is fixedly connected with a second steering gear 8, the joint of each screw rod 7 and the base 1 is provided with a bearing 9, one side of each screw rod 7 is provided with a sliding rod 10, a display frame 11 is arranged between the two screw rods 7, the number of the display frames 11 is multiple, both ends of the display frame 11 are fixedly connected with, a sliding sleeve 14 is fixedly connected to one side of the connecting seat 13 far away from the threaded sleeve 12;

further, the top end of a fixed shaft sleeve 4 is fixedly connected with the inner wall of the base 1, the bottom end of the fixed shaft sleeve 4 is fixedly connected with the inner wall of the base 1, and one side, far away from the rotating shaft 3, of the first steering gear 5 is meshed with a second steering gear 8;

further, the bottom end of the bearing 9 is fixedly connected with the base 1, and the bearing 9 is sleeved outside the screw 7;

furthermore, the top ends of the screw 7 and the slide bar 10 are fixedly connected with a limiting block 15, the inner side of the threaded sleeve 12 is in threaded connection with the screw 7, and the sliding sleeve 14 is movably sleeved on the outer side of the slide bar 10;

furthermore, the two screw rods 7 are symmetrically distributed about the central axis of the base 1, and the two slide bars 10 are symmetrically distributed about the central axis of the base 1.

The working principle of the invention is as follows:

referring to the attached drawings 1-3 of the specification, in actual use, a motor 2 is started, the motor 2 drives a rotating shaft 3 to rotate, the rotating shaft 3 drives a first steering gear 5 to rotate, the first steering gear 5 is meshed with a second steering gear 8, the first steering gear 5 drives a second steering gear 8 to rotate, the second steering gear 8 drives a screw rod 7 to rotate, the screw rod 7 is fixed on a base 1 through a bearing 9, a display frame 11 is sleeved outside the screw rod 7 through a threaded sleeve 12, the screw rod 7 can drive the display frame 11 to lift, the height of the display frame 11 can be adjusted, the display frame can be conveniently used in different scenes, audiences can conveniently watch contents in the display frame 11, the popularization strength of biotechnology is improved, and the sliding sleeve 14 is sleeved outside the sliding rod 10 through the sliding rod 10, so that the lifting of the display frame 11 can be limited.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.