CN218500386U - Liftable teaching instrument show stand - Google Patents

Abstract

The utility model discloses a liftable teaching instrument display stand, which relates to the technical field of teaching instrument display stands, and comprises a movable base with a circular cross section. Push rod, the telescopic ends of multiple electric push rods are fixedly connected with the same support shell, the top of the support shell is hinged with a transparent cover, a clamping assembly is connected between the transparent cover and the support shell, and the middle part of the bottom end of the support shell is fixed with a The motor, the output shaft of the motor runs through the support shell, and is fixedly connected with a large turntable. This liftable teaching instrument display stand is different from the prior art. The turntable drives the teaching instruments fixed on the multiple small turntables to rotate, and at the same time enables the multiple teaching instruments to rotate on their own, thereby achieving the effect of 360-degree rotating display, which makes the display effect better.

Description

A liftable teaching instrument display stand

technical field

The utility model relates to the technical field of teaching instrument display stands, in particular to a liftable teaching instrument display stand.

Background technique

In schools or stationery stores, teaching instruments will be listed separately and placed on display stands for students or teachers to watch.

At present, the existing teaching instrument display stand has the following disadvantages: on the one hand, the height is not easy to adjust, on the other hand, it is only necessary to place the teaching instrument on the display stand, and then the display angle of the teaching instrument on the display stand is relatively single , the effect of 360-degree rotating display cannot be achieved, resulting in poor display effect. Therefore, we propose a lifting teaching instrument display stand.

Utility model content

The purpose of this utility model is to provide a display stand for teaching instruments that can be lifted up and down, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a liftable teaching instrument display platform, including a mobile base with a circular cross section, and a plurality of electric motors arranged in a circular array are fixedly connected to the top of the mobile Push rod, the telescopic ends of multiple electric push rods are fixedly connected with the same support shell, the top of the support shell is hinged with a transparent cover, a clamping assembly is connected between the transparent cover and the support shell, and the middle part of the bottom end of the support shell is fixed with a The motor, the output shaft of the motor runs through the support shell, and is fixedly connected with a large turntable. The top edge of the large turntable is connected to the small turntable through multiple rotating shafts, and the top edge of the small turntable is fixed with a fixed splint. One side is equipped with a movable splint slidably arranged on the top of the small turntable, and the bottom of the movable splint is fixed with a slider with an inverted T-shaped vertical section. The side walls of the splints away from the fixed splint are fixedly connected with connecting blocks, and the connecting blocks are screwed with thumb screws. A transmission assembly is connected between the rotating shaft and the support shell.

Preferably, the bottom end of the mobile base is fixed with a plurality of universal wheels arranged in a circular array.

Preferably, the clamping assembly includes a horizontal block fixed on the outer wall of the housing, and the other end of the horizontal block is provided with a slope one.

As a preference, an L-shaped slide bar fixed on the outside of the transparent cover is provided above the horizontal block, an L-shaped block is provided on the outer sliding sleeve of the L-shaped slide bar, and one end of the L-shaped block is provided with a As for the second matching inclined surface, a spring is connected between one side wall of the L-shaped clamping block and one side inner wall of the L-shaped slide bar.

Preferably, the transmission assembly includes gears fixed to the outer sides of the plurality of rotating shafts, the outer sides of the plurality of gears are meshed with the same ring gear, and the ring gear is fixed inside the support case.

Compared with the prior art, the beneficial effects of the utility model are:

1. Using a plurality of electric push rods, each component on the support shell can be pushed to adjust the height, so that the height of the teaching instrument display stand can be easily adjusted to meet the applicable display height;

2. Using the clamping component, the transparent cover can be clamped on the support shell, and the transparent cover can protect the teaching instrument rotated and displayed inside, so as to prevent the teaching instrument rotated and displayed from touching the students or teachers who are watching from the outside. And on the contrary, it can prevent students or teachers from touching the teaching instruments in the rotating display, so as to achieve the protective effect;

3. Utilizing the function of the movable splint and its fixed splint, it is convenient to fix the teaching instrument on the small turntable, which is convenient to use;

4. Using the transmission component, by starting the motor and cooperating with the functions of multiple components, the large turntable drives the fixed teaching instruments on multiple small turntables to rotate, and at the same time enables multiple teaching instruments to rotate, thereby achieving the realization of The effect of 360-degree rotation display makes the display effect better.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the unfolded structure of each part after the bracket shell of the utility model is cut;

Fig. 3 is a schematic diagram of the planar structure of each part after the utility model support shell is cut;

Fig. 4 is the schematic diagram of enlarged structure at A place of the utility model;

Fig. 5 is a schematic diagram of an enlarged structure at B of the present invention.

In the figure: 1. Mobile base; 2. Universal wheel; 3. Electric push rod; 31. Support shell; 32. Transparent cover; 4. Clamping component; 401, horizontal block; L-shaped block; 404, spring; 5, rotating shaft; 51, small turntable; 52, fixed splint; 53, movable splint; 54, slider; 55, connecting block; 56, thumb screw; 57, large turntable; 58 , motor; 6, transmission component; 601, gear; 602, ring gear.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a liftable teaching instrument display platform, including a mobile base 1 with a circular cross section, and a plurality of annular array rows fixedly connected to the top of the mobile base 1 The electric push rod 3 of cloth, the flexible end of a plurality of electric push rods 3 is affixed with the same supporting shell 31, and the top of supporting shell 31 is hinged with transparent cover 32, and the bottom middle part of supporting shell 31 is fixedly connected with motor 58, and motor The output shaft of 58 runs through the supporting shell 31, and is fixedly connected with a large turntable 57. The top edge of the large turntable 57 is connected with a small turntable 51 through a plurality of rotating shafts 5, and the top edge of the small turntable 51 is fixedly connected with a fixed splint. 52, one side of the fixed splint 52 is provided with a movable splint 53 that is slidably arranged on the top of the small turntable 51, and the bottom end of the movable splint 53 is fixedly connected with a slider 54 whose vertical section is an inverted T-shaped structure, and the slider 54 all slides Connected in the chute at the top of the small turntable 51, the movable splint 53 is fixedly connected with a connecting block 55 on the side wall away from the fixed splint 52, and the connecting block 55 is screwed with a thumb screw 56, and the thumb screw 56 is locked. The rear bottom ends are all pressed against the inner bottom wall of the chute, and the clamping surface of the fixed splint 52 and the clamping surface of the movable splint 53 can all be provided with a protective silica gel pad, so as to avoid causing pinch damage to the teaching instrument.

The bottom end of the mobile base 1 is fixed with a plurality of universal wheels 2 arranged in a circular array, and the universal wheels 2 are convenient for the display stand to be moved and transported, and are easy to use.

A clamping assembly 4 is connected between the transparent cover 32 and the support shell 31. The clamping assembly 4 includes a horizontal block 401 affixed to the outer wall of the support shell 31. An L-shaped slide bar 402 fixedly connected to the outside of the transparent cover 32 is provided above, and an L-shaped block 403 is provided on the outer sliding sleeve of the L-shaped slide bar 402. One end of the L-shaped block 403 is provided with an inclined surface that matches the inclined surface. 2. A spring 404 is connected between the side wall of the L-shaped block 403 and the inner wall of the side of the L-shaped slide bar 402. The slope 1 and the slope 2 work together, so that the transparent cover 32 can be closed automatically by gravity without manual cover When it is necessary to open the transparent cover 32, just pull the L-shaped clamping block 403 to disengage from the engagement with the horizontal block 401.

A transmission assembly 6 is connected between the plurality of rotating shafts 5 and the support shell 31. The transmission assembly 6 includes gears 601 fixedly connected to the outer sides of the plurality of rotating shafts 5. The outer sides of the plurality of rotating shafts 601 are meshed with the same ring gear 602. The ring gear 602 is fixed inside the support shell 31, and the rotation of the large turntable 57 drives the rotation of the small turntable 51 connected to the plurality of rotating shafts 5, and cooperates with the action of a plurality of gears 601 and their ring gears 602, so that the small turntable 51 can rotate by itself .

In this solution, when using the liftable teaching instrument display stand, the L-shaped clamping block 403 can be pulled first and the spring 404 can be compressed, so that the L-shaped clamping block 403 can break away from the engagement with the horizontal block 401, and secondly, open the transparent cover 32, the teaching instrument that needs to be displayed can be placed on the corresponding small turntable 51, and the teaching instrument can be clamped and fixed on the small turntable 51 by loosening the corresponding thumb screw 56 and manually pushing the movable splint 53, and the lock Tighten the corresponding thumb screw 56, then close the transparent cover 32, and by starting a plurality of electric push rods 3 at the same time, the height of the supporting shell 31 can be adjusted to the height that needs to be displayed, so that students or teachers can watch it, and then Or, by starting the motor 58 and driving the large turntable 57 to rotate, the large turntable 57 drives a plurality of small turntables 51 to rotate, and cooperates with the ring gear 602 and its plurality of gears 601, so that the small turntable 51 can rotate by itself, and then can Achieve the effect of 360-degree rotating display, making the display effect better.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A liftable teaching instrument display stand, comprising a mobile base (1) with a circular cross section, characterized in that: the top of the mobile base (1) is fixedly connected with a plurality of electric pushers arranged in a circular array Rod (3), the telescoping end of a plurality of electric push rods (3) is fixedly connected with same supporting shell (31), and the top of supporting shell (31) is hinged with transparent cover (32), and transparent cover (32) and supporting shell (31) is connected with clamping assembly (4), and the middle part of bottom end of supporting shell (31) is fixedly connected with motor (58), and the output shaft of motor (58) runs through supporting shell (31), and is fixedly connected with large Turntable (57), the top edge of large turntable (57) is all rotatably connected with small turntable (51) by a plurality of rotating shafts (5), and the top edge of small turntable (51) is all affixed with fixed splint (52), One side of the fixed splint (52) is all provided with the movable splint (53) that is slidably arranged on the top of the small turntable (51), and the bottom end of the movable splint (53) is all fixedly connected with a slide block ( 54), the sliders (54) are all slidably connected in the chute on the top of the small turntable (51), and the side walls of the movable splints (53) that are all away from the fixed splints (52) are fixedly connected with a connecting block (55), connected Thumb screws (56) are all spirally connected on the block (55), and the bottom ends after the thumb screws (56) are locked are all pressed against the inner bottom wall of the chute, and a plurality of rotating shafts (5) and the supporting shell ( 31) is connected with a transmission assembly (6). 2. A liftable teaching instrument display stand according to claim 1, characterized in that: the bottom end of the mobile base (1) is fixed with a plurality of universal wheels (2) arranged in a circular array. 3. A liftable teaching instrument display stand according to claim 1, characterized in that: the clamping assembly (4) includes a horizontal block (401) fixed on the outer side wall of the support shell (31), the horizontal block (401) The other end of the block (401) is provided with a slope one. 4. A liftable teaching instrument display stand according to claim 3, characterized in that: an L-shaped sliding bar (402) fixed on the outside of the transparent cover (32) is arranged above the horizontal block (401) , the outer sliding sleeve of the L-shaped slide bar (402) is provided with an L-shaped block (403), and one end of the L-shaped block (403) is provided with an inclined-plane two matched with the inclined-plane one, and the L-shaped block (403) A spring (404) is connected between one side wall and one side inner wall of the L-shaped slide bar (402). 5. A liftable teaching instrument display stand according to claim 1, characterized in that: the transmission assembly (6) includes gears (601) fixed to the outer sides of a plurality of rotating shafts (5), and the plurality of gears The outer meshing connection of (601) is connected with the same ring gear (602), and the ring gear (602) is fixed inside the support shell (31).

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