CN214955556U

CN214955556U - Demonstration device for concept statistics

Info

Publication number: CN214955556U
Application number: CN202121694720.4U
Authority: CN
Inventors: 叶茶花
Original assignee: Jiujiang University
Current assignee: Jiujiang University
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-11-30
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to a concept statistics technical field just discloses a presentation device is used in concept statistics, including presentation device, accommodate device and fixing device, surface mounting has accommodate device on the presentation device, and accommodate device is including holding box, elastic layer, discrepancy ball hole and rotating device, and rotating device includes axis of rotation and dwang, and surface mounting has fixing device under the presentation device, and fixing device includes base, display screen, motor, trace and dead lever. This presentation device for concept statistics reaches to take out the ball and puts into the ball through seting up out the ball hole inside holding the box, and automatic control holds the box through rotating device and rotates and take out the number ball, and the operation of being connected fixed accommodate device with the base is used, and the rotating device through order about at the pedestal mounting motor electronic rotation trace and come to provide power for the upper surface provides power and lets its inside axis of rotation and the whole rotation number ball that holds the box of dwang drive.

Description

Demonstration device for concept statistics

Technical Field

The utility model relates to a concept statistics technical field specifically is a presentation device is used in concept statistics.

Background

Probability is also called "probability" or "probability". Which reflects a measure of how likely a random event is to occur. Probability is the most basic knowledge point in mathematical education and has certain abstraction, so that teachers can give lessons only in a mode of oral explanation and are difficult to accept by students when carrying out probability teaching. With the improvement of teaching conditions, the explanation form of teachers is changed into electronic courseware tutoring teaching, but still the old cover process of boring explanation knowledge points and making lots of exercises is not separated. In the teaching process, probability problems, especially probability distribution of variables, cannot be clearly expressed by language intuition, some demonstration devices are generally used for field demonstration teaching, and existing demonstration equipment is generally extracted in an open mode, so that the demonstration equipment is easily lost when the demonstration equipment is used.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a presentation device is used in concept statistics possesses advantages such as seal extraction, electronic extraction and electronic display, has solved above-mentioned technical problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a demonstration device for concept statistics comprises a demonstration device, a containing device and a fixing device, wherein the containing device is arranged on the upper surface of the demonstration device and comprises a containing box, an elastic layer, a ball inlet and outlet hole and a rotating device, the containing box is arranged on the upper surface of the containing device, the elastic layer is arranged inside the containing box, the ball inlet and outlet hole is arranged on the lower surface of the containing box, the rotating device is arranged at the bottom of the containing box and comprises a rotating shaft and a rotating rod, the rotating shaft is arranged inside the rotating device, and the rotating rod is arranged on the inner wall of the rotating shaft;

the demonstration device is characterized in that a fixing device is installed on the lower surface of the demonstration device and comprises a base, a display screen, a motor, a linkage rod and a fixing rod, the base is installed at the bottom of the fixing device, the display screen is installed inside the fixing device, the motor is installed on the side face of the display screen, the linkage rod is installed on the upper surface of the fixing device, and the fixing rod is installed on the side face of the accommodating box.

Preferably, the accommodating box is clamped on the upper surface of the accommodating device, and the elastic layer is sleeved on the inner wall of the accommodating box.

Through above-mentioned technical scheme, hold the box and rotate on accommodate device and take out the number, its elastic layer protection of inside holds box inner wall and number ball and prevent the collision.

Preferably, the ball inlet and outlet hole is formed in the bottom of the accommodating box, and the rotating device is sleeved at the bottom of the accommodating box.

Through above-mentioned technical scheme, the discrepancy ball hole is seted up and is helped holding the box bottom and go back the convenience after the extraction and take out the number, and rotating device installs and utilizes rotating device to drive and hold the box and rotate and take out the number in holding the box bottom.

Preferably, the base is welded at the bottom of the rotating device, and a display screen is arranged on the surface of the base.

Through above-mentioned technical scheme, the base welds and fixes its environment for storage device of upper surface in the bottom, and the information that the display screen looked over the number ball that we extracted through the information on the display screen is seted up to the base.

Preferably, a motor is arranged in the base, and the linkage rod is inserted into the bottom of the rotating device.

Through above-mentioned technical scheme, at base internally mounted have a motor, drive upper surface rotating device through motor electric drive trace and rotate and let and hold the box and rotate.

Preferably, a rotating shaft is arranged in the rotating device, and the rotating rod is inserted into the inner wall of the rotating shaft.

Through above-mentioned technical scheme, rotating device is inside to be provided with axis of rotation and dwang, and the power drive dwang that brings through axis of rotation bottom motor drives and holds the box and rotate and take out the number ball.

Compared with the prior art, the utility model provides a presentation device is used in concept statistics possesses following beneficial effect:

1. this presentation device for concept statistics reaches to take out the ball and puts into the ball through seting up out the ball hole inside holding the box, and automatic control holds the box through rotating device and rotates and take out the number ball, is connected fixed accommodate device's operation with the base and uses.

2. This presentation device is used in concept statistics drives electronic rotation trace through at pedestal mounting motor and provides power for the rotating device of upper surface and lets its inside axis of rotation and the whole rotation number ball of taking out that holds the box of dwang drive.

Drawings

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

FIG. 2 is a schematic view of the interior of the structure rotating device of the present invention;

fig. 3 is a schematic view of the planing surface of the structural base of the present invention.

Wherein: 1. a presentation device; 2. a containment device; 3. a fixing device; 21. accommodating the box; 22. an elastic layer; 23. a ball inlet and outlet hole; 24. a rotating device; 31. a base; 32. a display screen; 33. a motor; 34. a linkage rod; 35. fixing the rod; 241. a rotating shaft; 242. rotating the rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a demonstration apparatus for concept statistics, comprising a demonstration apparatus 1, a containing apparatus 2 and a fixing apparatus 3, wherein the containing apparatus 2 is mounted on the upper surface of the demonstration apparatus 1, the containing apparatus 2 comprises a containing box 21, an elastic layer 22, a ball inlet and outlet hole 23, and a rotating apparatus 24, the containing box 21 is mounted on the upper surface of the containing apparatus 2, the elastic layer 22 is mounted inside the containing box 21, the ball inlet and outlet hole 23 is mounted on the lower surface of the containing box 21, the rotating apparatus 24 is mounted at the bottom of the containing box 21, the rotating apparatus 24 comprises a rotating shaft 241 and a rotating rod 242, the rotating shaft 241 is mounted inside the rotating apparatus 24, and the rotating rod 242 is mounted on the inner wall of the rotating shaft 241;

the fixing device 3 is installed on the lower surface of the demonstration device 1, the fixing device 3 comprises a base 31, a display screen 32, a motor 33, a linkage rod 34 and a fixing rod 35, the base 31 is installed at the bottom of the fixing device 3, the display screen 32 is installed inside the fixing device 3, the motor 33 is installed on the side surface of the display screen 32, the linkage rod 34 is installed on the upper surface of the fixing device 3, and the fixing rod 35 is installed on the side surface of the accommodating box 21.

Specifically, hold box 21 joint in accommodate device 2 upper surface, elastic layer 22 cup joints in holding box 21 inner wall, and the advantage holds box 21 and rotates on accommodate device 2 and take out the number, and inside elastic layer 22 protects it and holds box 21 inner wall and number ball and prevent the collision.

Specifically, discrepancy ball hole 23 is seted up in holding the box 21 bottom, and rotating device 24 cup joints in holding the box 21 bottom, and the advantage is discrepancy ball hole 23 is seted up in holding the box 21 bottom and is helped the number ball to go back after the extraction and conveniently taking out the number, and rotating device 24 installs and utilizes rotating device 24 to drive in holding the box 21 bottom and hold the box 21 and carry out the rotation and take out the number.

Specifically, base 31 welds in rotating device 24 bottom, and the base 31 surface is provided with display screen 32, and the advantage is that base 31 welds in the bottom and fixes its environment for storage device 2 of upper surface, and base 31 has been seted up display screen 32 and has looked over the information of the number ball that we extracted through the information on the display screen 32.

Specifically, the motor 33 is arranged inside the base 31, and the linkage rod 34 is inserted into the bottom of the rotating device 24, which has the advantage that the motor 33 is arranged inside the base 31, and the motor 33 electrically drives the linkage rod 34 to drive the upper surface rotating device 24 to rotate so as to rotate the accommodating box 21.

Specifically, the rotating shaft 241 is arranged inside the rotating device 24, and the rotating rod 242 is inserted into the inner wall of the rotating shaft 241, so that the advantage is that the rotating shaft 241 and the rotating rod 242 are arranged inside the rotating device 24, and the rotating rod 242 is driven by the power driven by the motor 33 at the bottom of the rotating shaft 241 to drive the accommodating box 21 to rotate to take out the number ball.

When the rotary number drawing device is used, the ball inlet hole 23 is formed in the accommodating box 21 to draw and put in a ball, the accommodating box 21 is automatically controlled through the rotating device 24 to rotate the drawn number ball, the fixed accommodating device 2 is connected with the base 31 for use, and the motor 33 is installed on the base 31 to drive the electric rotating linkage 34 to provide power for the rotating device 24 on the upper surface so that the rotating shaft 241 and the rotating rod 242 in the upper surface can drive the whole rotary number drawing ball of the accommodating box 21.

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

Claims

1. A presentation device for concept statistics, comprising a presentation device (1), a containing device (2) and a fixing device (3), characterized in that: the demonstration device (1) is characterized in that a containing device (2) is installed on the upper surface of the demonstration device (1), the containing device (2) comprises a containing box (21), an elastic layer (22), a ball inlet and outlet hole (23) and a rotating device (24), the containing box (21) is installed on the upper surface of the containing device (2), the elastic layer (22) is installed inside the containing box (21), the ball inlet and outlet hole (23) is installed on the lower surface of the containing box (21), the rotating device (24) is installed at the bottom of the containing box (21), the rotating device (24) comprises a rotating shaft (241) and a rotating rod (242), the rotating shaft (241) is installed inside the rotating device (24), and the rotating rod (242) is installed on the inner wall of the rotating shaft (241);

surface mounting has fixing device (3) under presentation device (1), fixing device (3) include base (31), display screen (32), motor (33), trace (34) and dead lever (35), base (31) are installed in fixing device (3) bottom, install in fixing device (3) inside display screen (32), install in display screen (32) side motor (33), trace (34) are installed in fixing device (3) upper surface, dead lever (35) are installed in holding box (21) side.

2. A concept statistics presentation apparatus according to claim 1, wherein: the accommodating box (21) is clamped on the upper surface of the accommodating device (2), and the elastic layer (22) is sleeved on the inner wall of the accommodating box (21).

3. A concept statistics presentation apparatus according to claim 1, wherein: the ball inlet and outlet hole (23) is formed in the bottom of the accommodating box (21), and the rotating device (24) is sleeved at the bottom of the accommodating box (21).

4. A concept statistics presentation apparatus according to claim 1, wherein: the base (31) is welded at the bottom of the rotating device (24), and a display screen (32) is arranged on the surface of the base (31).

5. A concept statistics presentation apparatus according to claim 1, wherein: the motor (33) is arranged in the base (31), and the linkage rod (34) is inserted into the bottom of the rotating device (24).

6. A concept statistics presentation apparatus according to claim 1, wherein: a rotating shaft (241) is arranged in the rotating device (24), and the rotating rod (242) is inserted into the inner wall of the rotating shaft (241).