Probability demonstration device

Abstract

The utility model discloses a probability demonstration device, and belongs to the technical field of demonstration devices. Comprising a driving seat and a driving motor, the driving motor is installed on the side wall of the driving seat, a worm is installed at the output end of the driving motor, the worm is movably connected with the driving seat, a rotating shaft is movably installed in the portion, on one side of the worm, of the driving seat and extends out of the driving seat, and a rotating disc is installed at the top end of the rotating shaft; a transparent shell is arranged outside the rotating disc and fixedly connected with the driving base, the surface of the portion, on one side of the worm, of the rotating shaft is sleeved with a worm wheel, the worm and the worm wheel are meshed with each other, and a rail is installed at the top end of the driving base. According to the utility model, not only can the convenient linkage impact of the ball be realized, the probability be obtained through multiple groups of data and the use height and position be flexibly adjusted, the ball can be conveniently stirred more uniformly to make the data more accurate, but also the use flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to demonstration device technical field, concretely is a probability demonstration device. BACKGROUND

[0002] High number probability is an important content in higher mathematics, and mainly includes the research of concepts and properties such as probability space, random variable, probability distribution, expectation and variance, probability is used to describe the possibility of event occurrence, and is an important tool in statistics and mathematics, higher mathematics is a compulsory course in university campus, but the traditional teaching method is mostly in the form of board report, which is inconvenient to use, in order to better demonstrate high number probability in teaching, a probability demonstration device is proposed.

[0003] Such as the probability demonstration device disclosed in the authorized announcement no. CN221406649U, including demonstration device main part, the top of the demonstration device main part is equipped with a number disc, the side of the demonstration device main part is installed with a side support assembly through a connecting assembly, the top of the side support assembly is embedded with a universal bubble level.

[0004] Although it realizes the detection of levelness through the universal bubble level, if the demonstration device main part is not in a horizontal state, the demonstration device main part can be controlled to adjust the angle through the bottom assembly for use until the demonstration device main part is in a horizontal state, so that the indicating needle can be stably rotated to the appropriate position during probability demonstration, and the placement surface is prevented from being inclined, which affects the accuracy of probability demonstration.

[0005] However, the existing demonstration device cannot conveniently link and impact the ball and obtain probability through multiple sets of data, and it is not convenient to flexibly adjust the use height and position, which affects the uniformity of ball stirring and the accuracy of data, and affects the flexibility of use. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a probability demonstration device to solve the problem that the demonstration device is not convenient for conveniently linking and impacting the ball and obtaining probability through multiple sets of data, and it is not convenient to flexibly adjust the use height and position, which affects the uniformity of ball stirring and the accuracy of data, and affects the flexibility of use.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A probability demonstration device, including a drive seat and a drive motor, a drive motor is installed on the side wall of the drive seat, the output end of the drive motor is installed with a worm, and the worm is movably connected with the drive seat, a rotating shaft is movably installed inside the drive seat on one side of the worm, and the rotating shaft extends to the outside of the drive seat, and the top end of the rotating shaft is installed with a rotating disc, a transparent shell is arranged outside the rotating disc, and the transparent shell is fixedly connected with the drive seat.

[0009] Optionally, the rotating shaft surface on one side of the worm is sleeved with a worm gear, and the worm and the worm gear are meshed with each other.

[0010] Optionally, the top end of the drive seat is installed with a track, a plurality of groups of slope blocks with equal intervals are installed at the top end of the track, and the slope blocks are fixedly connected with the track.

[0011] Optionally, a plurality of groups of sliding columns with equal intervals are arranged inside the rotating disc, and the sliding columns are slidingly connected with the rotating disc.

[0012] Optionally, movable wheels are movably installed at the bottom end of the sliding columns, and the movable wheels are slidingly connected with the track and the slope blocks.

[0013] Optionally, an integrated seat is arranged outside the drive seat, electric push rods are symmetrically installed inside the integrated seat, and push arms are installed at the output end of the electric push rods.

[0014] Optionally, a jacking plate is arranged above the integrated seat, and the jacking plate is connected with the push arms.

[0015] Optionally, a servo motor is installed at the bottom end of the jacking plate, and a transmission gear is installed at the output end of the servo motor.

[0016] Optionally, a linkage shaft is movably installed at the center position of the jacking plate, and the linkage shaft is fixedly connected with the drive seat.

[0017] Optionally, a driven gear is sleeved on the surface of the linkage shaft on one side of the transmission gear, and the transmission gear and the driven gear are meshed with each other.

[0018] Compared with the prior art, the demonstration device not only realizes convenient linkage impact on the ball and obtains probability through a plurality of groups of data and flexible adjustment of the use height and position, facilitates more uniform stirring of the ball to make the data more accurate, and improves the flexibility of use.

[0019] The multiple groups of color balls are poured into the inside of the transparent shell, the ball outlet box door is closed, the worm is driven to rotate by the driving motor, the rotating shaft is driven to rotate by the worm through the worm gear, the rotating disc is driven to rotate by the rotating shaft, and the multiple groups of sliding columns are driven to rotate in the inside of the track by the rotating disc, when the sliding column moves to the position of the slope block, the sliding column is driven to move upward in the inside of the rotating disc by the slope block due to the slope of the slope block, the balls are impacted by the sliding column, and the balls are stirred more uniformly, when the balls need to be discharged, the ball outlet box door is opened, the balls are discharged from the position of the box door of the transparent shell in sequence under the continuous action of the rotating disc and the sliding column, multiple groups of data are compared to obtain corresponding probabilities, the balls are conveniently impacted in linkage, and the probabilities are obtained through the multiple groups of data, and the balls are conveniently stirred more uniformly to make the data more accurate.

[0020] The pushing arm is driven to move upward by the electric push rod, the jacking plate is driven to move upward by the pushing arm, the driving seat and the transparent shell are driven to move upward by the jacking plate through the linkage shaft, different heights are used conveniently, the transmission gear is driven to rotate by the servo motor, the linkage shaft is driven to rotate by the transmission gear through the driven gear, the driving seat and the transparent shell are driven to rotate by the linkage shaft, different positions are used conveniently, the height and the position are conveniently adjusted and used flexibly, and the flexibility of use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings incorporated herein and constituting a part of the specification show embodiments of the present application and, together with the specification, further serve to explain the principles of the present application and to enable one skilled in the relevant art to practice and use the present application.

[0022] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0023] Figure 2 It is a side view cross-sectional structure schematic view of the driving seat of the present application;

[0024] Figure 3 It is a three-dimensional perspective structure schematic view of the rotating disc of the present application;

[0025] Figure 4 It is a three-dimensional structure schematic view of the track of the present application;

[0026] Figure 5 It is a three-dimensional structure schematic view of the jacking plate of the present application;

[0027] Figure 6 It is a three-dimensional perspective structure schematic view of the integrated seat of the present application.

[0028] Reference signs:

[0029] 1, integrated seat; 2, jacking plate; 3, drive seat; 4, transparent shell; 5, rotating disc; 6, sliding column; 7, worm gear; 8, rotating shaft; 9, worm; 10, drive motor; 11, track; 12, slope block; 13, linkage shaft; 14, electric push rod; 15, push arm; 16, transmission gear; 17, driven gear; 18, servo motor; 19, movable wheel.

[0030] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environment. DETAILED DESCRIPTION

[0031] The probability demonstration device provided by the utility model will be described in detail below in combination with the drawings and specific embodiments. Meanwhile, it is pointed out here that in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be adopted by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the utility model.

[0032] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).

[0033] Generally, the terms can be understood at least partly from the use in the context. For example, at least partly depending on the context, the term "one or more" used in this paper can be used to describe any feature, structure or characteristic in singular sense, or can be used to describe the combination of features, structures or characteristics in plural sense. In addition, the term "based on" can be understood as not necessarily conveying a set of exclusive factors, but can instead, at least partly depending on the context, allow the existence of other factors which are not necessarily explicitly described.

[0034] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0035] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0036] like Figures 1 to 6 As shown, an embodiment of this utility model provides a probability demonstration device, including a drive base 3 and a drive motor 10. The drive motor 10 is installed on the side wall of the drive base 3 and serves as a power drive. A worm 9 is installed at the output end of the drive motor 10 and is movably connected to the drive base 3. A rotating shaft 8 is movably installed inside the drive base 3 on one side of the worm 9 and extends to the outside of the drive base 3. A rotating disk 5 is installed at the top of the rotating shaft 8. A transparent shell 4 is provided on the outside of the rotating disk 5 and is fixedly connected to the drive base 3. A worm wheel 7 is fitted on the surface of the rotating shaft 8 on one side of the worm 9 and the worm 9 and the worm wheel 7 mesh with each other. A track 11 is installed at the top of the drive base 3. Multiple sets of slope blocks 12 with equal spacing are installed at the top of the track 11 and are fixedly connected to the track 11.

[0037] The multiple groups of color balls are poured into the inside of the transparent shell 4, the ball box door is closed, the driving motor 10 is started, the worm 9 is driven to rotate by the driving motor 10, the rotating shaft 8 is driven to rotate by the worm 9 through the worm gear 7 under the mutual engagement of the worm 9 and the worm gear 7, the rotating disc 5 is driven to rotate by the rotating shaft 8, the multiple groups of sliding columns 6 are driven to rotate in the inside of the track 11 by the rotating disc 5 under the sliding cooperation of the movable wheel 19 and the track 11, when the sliding column 6 moves to the position of the slope block 12, the sliding column 6 is driven to move upward in the inside of the rotating disc 5 by the slope block 12 due to the slope of the slope block 12, the balls are impacted by the sliding column 6, and the balls are stirred more uniformly, when the balls are needed to be discharged, the ball box door is opened, the balls are discharged from the position of the ball box door of the transparent shell 4 in sequence under the continuous action of the rotating disc 5 and the sliding column 6, and the corresponding probability is obtained by comparing multiple groups of data, the convenient linkage impact of the balls and the probability obtained by multiple groups of data are realized, and the balls are stirred more uniformly to make the data more accurate.

[0038] The inside of the rotating disc 5 is provided with multiple groups of sliding columns 6 at equal intervals, and the sliding columns 6 are slidingly connected with the rotating disc 5.

[0039] The bottom end of the sliding column 6 is movably provided with a movable wheel 19, and the movable wheel 19 is slidingly connected with the track 11 and the slope block 12.

[0040] The outside of the driving seat 3 is provided with an integrated seat 1, the inside of the integrated seat 1 is symmetrically provided with an electric push rod 14, the electric push rod 14 plays a role of power driving, and the output end of the electric push rod 14 is provided with a push arm 15.

[0041] The top of the integrated seat 1 is provided with a jacking plate 2, the jacking plate 2 is connected with the push arm 15, the bottom end of the jacking plate 2 is provided with a servo motor 18, the servo motor 18 plays a role of power driving, and the output end of the servo motor 18 is provided with a transmission gear 16.

[0042] The electric push rod 14 is started, the push arm 15 is driven to move upward by the electric push rod 14, the jacking plate 2 is driven to move upward by the push arm 15, the driving seat 3 and the transparent shell 4 are driven to move upward by the jacking plate 2 through the linkage shaft 13, so that the device is used at different heights, meanwhile, the servo motor 18 is started, the transmission gear 16 is driven to rotate by the servo motor 18, the linkage shaft 13 is driven to rotate by the transmission gear 16 through the driven gear 17 under the mutual engagement of the transmission gear 16 and the driven gear 17, the driving seat 3 and the transparent shell 4 are driven to rotate by the linkage shaft 13, so that the device is used at different positions, the convenient flexible adjustment of the use height and the use position is realized, and the flexibility of use is improved.

[0043] The technical scheme of the utility model provides the working principle as follows: pour the spherical ball of multiple groups of colors meeting the high number probability demonstration into the inside of the transparent shell 4, close the ball box door, rotate the worm 9 by the driving motor 10, rotate the rotating shaft 8 by the worm 9 through the worm wheel 7, rotate the rotating disc 5 by the rotating shaft 8, under the sliding cooperation of the movable wheel 19 and the track 11, rotate multiple groups of sliding columns 6 in the inside of the track 11 by the rotating disc 5, when the sliding column 6 moves to the position of the gradient block 12, because the gradient block 12 has gradient, so the sliding column 6 is moved upward in the inside of the rotating disc 5 by the gradient block 12, the spherical ball is impacted by the sliding column 6, and then the spherical ball is stirred more uniformly, when the spherical ball needs to be discharged, open the ball box door, the spherical ball is discharged from the door position of the transparent shell 4 in turn under the continuous action of the rotating disc 5 and the sliding column 6, then the corresponding probability is obtained by comparing multiple groups of data, the push arm 15 is moved upward by the electric push rod 14, the jacking plate 2 is moved upward by the push arm 15, the driving seat 3 and the transparent shell 4 are moved upward by the jacking plate 2 through the linkage shaft 13, so that the device is used from different heights, the transmission gear 16 is rotated by the servo motor 18, the linkage shaft 13 is rotated by the transmission gear 16 through the driven gear 17, the driving seat 3 and the transparent shell 4 are rotated by the linkage shaft 13, so that the device is used from different positions, and the above is the whole use content of the probability demonstration device.

[0044] The utility model covers any alternative, modification, equivalent method and scheme on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0045] The above only is the preferred implementation mode of the utility model, should point out, for ordinary skilled person in the prior art, on the premise that without departing from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.

Claims

1. A probability demonstration device, comprising a drive base and a drive motor, characterized in that: A drive motor is installed on the side wall of the drive seat. A worm gear is installed at the output end of the drive motor and is movably connected to the drive seat. A rotating shaft is movably installed inside the drive seat on one side of the worm gear and extends to the outside of the drive seat. A rotating disk is installed at the top of the rotating shaft. A transparent shell is provided outside the rotating disk and is fixedly connected to the drive seat.

2. The probability demonstration device according to claim 1, characterized in that: A worm wheel is fitted onto the rotating shaft surface on one side of the worm, and the worm and the worm wheel mesh with each other.

3. The probability demonstration device according to claim 1, characterized in that: The top of the drive seat is equipped with a track, and the top of the track is equipped with multiple sets of slope blocks at equal intervals, and the slope blocks are fixedly connected to the track.

4. The probability demonstration device according to claim 1, characterized in that: The rotating disk has multiple sets of equally spaced sliding columns inside, and the sliding columns are slidably connected to the rotating disk.

5. The probability demonstration device according to claim 4, characterized in that: Each sliding column has a movable wheel movably installed at its bottom end, and the movable wheel is slidably connected to the track and the slope block.

6. The probability demonstration device according to claim 1, characterized in that: An integrated base is provided on the outside of the drive base, and electric push rods are symmetrically installed inside the integrated base. Each electric push rod has a push arm installed at its output end.

7. The probability demonstration device according to claim 6, characterized in that: A lifting plate is provided above the integrated base, and the lifting plate is connected to the push arm.

8. The probability demonstration device according to claim 7, characterized in that: A servo motor is installed at the bottom of the lifting plate, and a transmission gear is installed at the output end of the servo motor.

9. The probability demonstration device according to claim 7, characterized in that: A linkage shaft is movably installed at the center of the lifting plate, and the linkage shaft is fixedly connected to the drive seat.

10. The probability demonstration device according to claim 8, characterized in that: A driven gear is fitted on the surface of the linkage shaft on one side of the transmission gear, and the transmission gear and the driven gear mesh with each other.

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