CN211979884U

CN211979884U - Demonstration device for soil food net structure

Info

Publication number: CN211979884U
Application number: CN202020782599.XU
Authority: CN
Inventors: 李继光; 孙慧; 娄翼来; 唐政; 李慧; 李忠芳; 王其传
Original assignee: Beibu Gulf University
Current assignee: Beibu Gulf University
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-11-20
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a teaching demonstration technical field especially relates to a soil food net structure's presentation device, including base, bottom plate, membrane frame and projector, membrane frame fixed mounting is in upper surface one side of bottom plate, and the centre of membrane frame installs holographic membrane, and the inside of bottom plate has welded interior wheel, and the internally mounted of base has intermeshing's worm wheel and worm, and the worm is installed between two fixed plates, and the one end of worm is connected with the motor to the worm wheel is connected with interior wheel through the universal driving shaft, the upper surface opposite side of bottom plate slides through the conducting bar and is provided with the slide, and the pillar has been welded to the roof of slide, and the locating plate has still been welded to the lateral wall of pillar and slide, and is connected fixedly through holding screw between locating plate and the bottom plate. Compared with the prior art, the utility model discloses the adjustment of angle is carried out to the holographic membrane of formation of image and the projecting projector in convenient synchronization, more is favorable to the device's demonstration teaching work.

Description

Demonstration device for soil food net structure

Technical Field

The utility model relates to a teaching demonstration technical field especially relates to a presentation device of soil food net structure.

Background

The soil food net exhibits biological environments in which organisms living in soil and compost interact, are interdependent, and if it is desired to compost as appropriate or to create beautiful gardens, it is understood that the basic elements of the soil food net are originated from plants, and include bacteria, fungi, protozoa, nematodes, arthropods, and the like.

In the teaching process of the food net structure, a demonstration device is needed, and for better propagation teaching, a stereoscopic development teaching demonstration can be performed to improve the atmosphere and effect of learning, but because the vision of a learner is not good due to the problem of the development angle during the demonstration, a device is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a demonstration device of a soil food net structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a demonstration device for a soil food net structure comprises a base, a bottom plate, a film frame and a projector, wherein the film frame is fixedly arranged on one side of the upper surface of the bottom plate, a holographic film is arranged in the middle of the film frame, an inner wheel is welded in the bottom plate, a worm wheel and a worm which are meshed with each other are arranged in the base, the worm is arranged between two fixing plates, one end of the worm is connected with a motor, and the worm wheel is connected with the inner wheel through a linkage shaft;

the utility model discloses a projector, including bottom plate, guide bar, pillar, locating plate, connecting seat, key-type connection has the gangbar between connecting seat and the regulation seat, the upper surface opposite side of bottom plate slides through the guide bar and is provided with the slide, the pillar has been welded to the roof of slide, the locating plate has still been welded to the lateral wall of pillar and slide, it is fixed through holding screw connection between locating plate and the bottom plate, the mounting bracket has been welded at the top of pillar, and the outer wall of pillar slides and is provided with the regulation seat, the projector is installed between the mounting bracket, and diapire one side of projector.

Preferably, the inside both sides of base all are fixed with through welded connection the fixed plate, the bearing has been inlayed to the inside of one of them fixed plate, and the one end and the bearing of worm are connected fixedly, and another fixed plate is installed on its one side lateral wall the motor, the motor is connected fixedly with the other end of worm.

Preferably, a switch is embedded in the outer wall of the base on one side of the motor, and the switch is connected with the motor through a wire.

Preferably, the bearing is also inlayed to the inside bottom of base, and the worm wheel is installed on the bearing through the pivot.

Preferably, the spout has all been seted up to the both sides of bottom plate, and the conducting bar has all been welded at its lateral wall to the both sides of slide, and the conducting bar slides and arranges in the spout.

Preferably, the mounting bracket is of a U-shaped structure, and the mounting bracket and the side wall of the projector are rotatably connected through a shaft.

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

set up holographic membrane and pillar respectively through the both sides at the bottom plate, install the projector on the pillar to throw the direction through adjusting the seat and adjust it, the regulation of rethread slide in addition carries out appropriate regulation to the interval between holographic membrane and the pillar, in order to reach optimum distance, in addition, between base and bottom plate, through worm gear drive mechanism, order about holographic membrane and projector and can carry out the adjustment of angle in step, more be favorable to the demonstration teaching work of the device.

Drawings

Fig. 1 is a schematic structural view of a demonstration device of a soil food net structure provided by the utility model;

FIG. 2 is a schematic view of a bottom plate rotation structure of a soil food net structure demonstration device provided by the utility model;

fig. 3 is a schematic view of the connection between the pillar and the mounting rack of the demonstration apparatus for the soil food net structure provided by the utility model.

In the figure: the device comprises a base 1, a worm 11, a worm wheel 12, a fixing plate 13, a bottom plate 2, a sliding chute 21, an inner wheel 22, a film frame 3, a pillar 4, a sliding seat 41, a positioning plate 42, an installation frame 43, an adjusting seat 5, a projector 6, a connecting seat 61 and a linkage rod 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a soil food net structure demonstration device comprises a base 1, a bottom plate 2, a film frame 3 and a projector 6, wherein the film frame 3 is fixedly installed on one side of the upper surface of the bottom plate 2, a holographic film is installed in the middle of the film frame 3, an inner wheel 22 is welded in the bottom plate 2, a worm wheel 12 and a worm 11 which are meshed with each other are installed in the base 1, the worm wheel 12 and the worm 11 are used for driving the inner wheel 22 to rotate, the worm 11 is installed between two fixing plates 13, one end of the worm 11 is connected with a motor, and the worm wheel 12 is connected with the inner wheel 22 through a linkage shaft;

wherein, the inside both sides of base 1 all are through welded fastening with fixed plate 13, fixed plate 13's effect lies in fixed worm 11, the bearing has been inlayed to the inside of one of them fixed plate 13, the one end and the bearing of worm 11 are connected fixedly, another fixed plate 13 installs the motor on its one side lateral wall, the motor is connected fixedly with the other end of worm 11, the switch has been inlayed at the outer wall of base 1 in one side of motor, be connected through the wire between switch and the motor, the bearing has also been inlayed to the inside bottom of base 1, worm wheel 12 is installed on the bearing through the pivot.

Further, a sliding seat 41 is arranged on the other side of the upper surface of the bottom plate 2 in a sliding manner through a guide bar, the sliding seat 41 is used for driving the pillar 4 to move and adjust, sliding grooves 21 are formed in two sides of the bottom plate 2, the sliding grooves 21 are used for guiding and limiting the guide bar, the guide bar is welded on the side walls of the two sides of the sliding seat 41, the guide bar is arranged in the sliding groove in a sliding manner, the pillar 4 is welded on the top wall of the sliding seat 41, positioning plates 42 are further welded on the side walls of the pillar 4 and the sliding seat 41, the positioning plates 42 are used for fixing the position of the sliding seat 41, the positioning plates 42 are fixedly connected with the bottom plate 2 through set screws, an installation frame 43 is welded on the top of the pillar 4, an adjustment seat 5 is arranged on the outer wall of the pillar 4 in a sliding manner, the projector 6 is installed between the installation frames 43, the installation frame 43 is of a U-shaped structure, the, the linkage rod 7 is connected between the connecting seat 61 and the adjusting seat 5 through a key, the linkage rod 7 is used for connecting the adjusting seat 5 and the connecting seat 61, so that the angle of the projector 6 can be adjusted, and the adjusting seat 5 and the supporting column 4 are fixedly connected through a set screw.

In this embodiment, firstly, the slide base 4 is slid to a proper position along the upper surface of the bottom plate 2, the set screw is inserted into the positioning plate 42 to fix the position of the slide base 4, then the adjusting base 5 is slid up and down to drive the projector 6 to adjust the angle through the linkage rod 7, when the adjusting is proper (i.e. clear), the set screw is inserted between the adjusting base 5 and the pillar 4 to fix the position of the adjusting base 5, then the switch is turned on to perform demonstration, and when the demonstration is performed, the projector 6 projects information on the holographic film for display.

Wherein, when the angle of demonstration formation of image is adjusted to needs, the rotary switch, make it order to the motor start, the motor drives worm 11 and rotates, along with the rotation of worm 11, worm wheel 12 rotates along with it, thereby it rotates to drive interior round 22 synchronous revolution through the universal driving shaft, and be the integral type structure setting between interior round 22 and the bottom plate 2, make in interior round 22 pivoted time, bottom plate 2 and the membrane frame 3 and the pillar 4 synchronous revolution of top, thereby make holographic membrane and projector 6 under the condition of each other not removing, only adjust the angle of its demonstration, after adjusting to suitable position, it can to turn back the switch and close.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A demonstration device for a soil food net structure comprises a base (1), a bottom plate (2), a film frame (3) and a projector (6), and is characterized in that the film frame (3) is fixedly installed on one side of the upper surface of the bottom plate (2), a holographic film is installed in the middle of the film frame (3), an inner wheel (22) is welded inside the bottom plate (2), a worm wheel (12) and a worm (11) which are meshed with each other are installed inside the base (1), the worm (11) is installed between two fixing plates (13), one end of the worm (11) is connected with a motor, and the worm wheel (12) is connected with the inner wheel (22) through a linkage shaft;

the upper surface opposite side of bottom plate (2) slides through the conducting bar and is provided with slide (41), pillar (4) have been welded to the roof of slide (41), locating plate (42) have still been welded to the lateral wall of pillar (4) and slide (41), it is fixed through holding screw connection between locating plate (42) and bottom plate (2), mounting bracket (43) have been welded at the top of pillar (4), and the outer wall of pillar (4) slides and is provided with regulation seat (5), projector (6) are installed between mounting bracket (43), and diapire one side of projector (6) is connected with connecting seat (61), the key-type connection has gangbar (7) between connecting seat (61) and regulation seat (5), and it is fixed through holding screw connection between regulation seat (5) and pillar (4).

2. A soil food net structure demonstration device according to claim 1, wherein the fixing plates (13) are fixed on both sides of the inside of the base (1) by welding, wherein a bearing is embedded in one fixing plate (13), one end of the worm (11) is connected and fixed with the bearing, the other fixing plate (13) is provided with the motor on one side wall, and the motor is connected and fixed with the other end of the worm (11).

3. A soil food net structure demonstration device according to claim 1, wherein one side of the motor is embedded with a switch on the outer wall of the base (1), and the switch is connected with the motor through a wire.

4. A soil food net structure demonstration device according to claim 1 characterized in that the inner bottom of the base (1) is embedded with a bearing, the worm gear (12) is installed on the bearing through a rotating shaft.

5. A soil food net structure demonstration device according to claim 1, wherein the two sides of the bottom plate (2) are both provided with sliding grooves (21), the two sides of the sliding base (41) are both welded with guide bars on the side walls, and the guide bars are slidably arranged in the sliding grooves.

6. A soil food net structure demonstration device according to claim 1 characterized in that the mounting bracket (43) is of "U" shape and the mounting bracket (43) and the side wall of the projector (6) are rotatably arranged by shaft connection.