CN217821885U

CN217821885U - Probability distribution demonstration teaching aid

Info

Publication number: CN217821885U
Application number: CN202222021655.XU
Authority: CN
Inventors: 陈慧明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-15
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to a teaching aid technical field especially relates to a probability distribution demonstrates teaching aid. The technical scheme comprises the following steps: the writing board comprises a writing board body, a base and a table board, wherein a supporting column is fixedly connected to the top of the base, a sliding sleeve is sleeved on the periphery of the supporting column, supporting rods are fixedly mounted on two sides of the sliding sleeve, the table board is fixedly connected to the top of the supporting rods, and the writing board is slidably connected to the top of the table board. The utility model discloses a be provided with the support column, mutually support between sliding sleeve and the dog, can make the sliding sleeve move about from top to bottom along the support column, can conveniently adjust the height of demonstration, the position is watched according to the user demand regulation to the convenience, and the application scope is extended, through being provided with the clipboard, mutually support between carriage and the table, through driving carriage roll-off table, when can utilizing the Golgi board to carry out the probability distribution demonstration, can utilize the clipboard in time to take notes the demonstration result, reset through promoting the clipboard, can protect the Golgi board and avoid receiving the damage.

Description

Probability distribution demonstration teaching aid

Technical Field

The utility model relates to a teaching aid technical field specifically is a probability distribution demonstrates teaching aid.

Background

Probability, also called "probability", is the probability that a random event appears, and a random event is an event that may or may not appear under the same conditions, and has an important role in understanding natural phenomena and social phenomena, and a demonstration teaching aid is needed when probability distribution research is performed.

Through retrieval, patent publication No. CN211654036U discloses a probability distribution demonstration teaching aid, relates to the teaching device field. Including the supporting baseplate, the last fixed surface of supporting baseplate installs the casing, the top fixed mounting of casing has into the pearl pipe, the top fixed mounting who advances the pearl pipe has the ball entry, and CN211654036U does not possess and carries out the position according to the user demand and adjusts among the prior art, has reduced application scope, and inconvenient record explanation to the result of demonstration is carried out in the demonstration process simultaneously, has reduced the result of use, and in view of this we propose a probability distribution demonstration teaching aid and solve current problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a probability distribution demonstrates teaching aid to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a probability distribution demonstrates teaching aid, includes clipboard, base and table, the top fixedly connected with support column of base, the peripheral cover of support column has the sliding sleeve, the both sides fixed mounting of sliding sleeve has the bracing piece, the top fixedly connected with table of bracing piece, the top sliding connection of table has the clipboard, through carriage slidable mounting between table and the clipboard, the table top fixed mounting of clipboard rear end has the Golgin board, the top fixedly connected with storage tank of Golgin board.

Utilize the sliding sleeve to slide from top to bottom along the support column, can conveniently adjust the height of table, can utilize the sliding sleeve to rotate round the axle center of support column simultaneously, can support the table through the bracing piece, reset through promoting the clipboard, can block the board of Golgi, can protect the board of Golgi to avoid receiving the damage.

Preferably, the base is fixedly connected with the supporting column through a fixing frame, and the top of the supporting column is fixedly connected with a stop block. The support column can be supported through the fixing frame, and the sliding sleeve can be blocked by the stop block to prevent falling.

Preferably, the sliding sleeve and the supporting column are fixed through a fixing knob, and the bottom of the base is fixedly connected with a moving wheel. Utilize fixed knob to carry out spacing fixed with the sliding sleeve, the position that the demonstration was watched is adjusted according to the user demand to the convenience, has improved application scope, removes this device to suitable position through removing the wheel.

Preferably, the table plate is in sliding connection with the sliding frame through a sliding groove, and a handle is sleeved on the periphery of the sliding frame. Utilize the handle can conveniently stimulate the carriage, utilize the spout can make the carriage slide, can drive the clipboard and remove to the outside in step.

Preferably, the Golgin board and the storage box are fixedly installed through a support frame, and the top of the storage box is provided with a ball inlet. Utilize the support frame to support the storage tank, utilize the goal mouth can put the demonstration ball to the storage tank in.

Preferably, the bottom of the storage box is fixedly connected with a ball outlet pipe communicated with the Golgin plate, and a demonstration ball is stored in the storage box. The demonstration ball can enter the Golgin board from the storage box by utilizing the ball outlet pipe to perform probability distribution demonstration operation.

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

1. through being provided with between support column, sliding sleeve and the dog mutually supporting, can make the sliding sleeve move about from top to bottom along the support column, can conveniently adjust the height of demonstration, can utilize the sliding sleeve to rotate round the axle center of support column simultaneously, conveniently adjust according to the user demand and watch the position, improve application scope.

2. Through being provided with the clipboard, mutually supporting between carriage and the table, through driving carriage roll-off table, can drive the clipboard simultaneously and remove, can make the Golgin board behind the clipboard expose, when can utilizing the Golgin board to carry out the probability distribution demonstration, can utilize the clipboard in time to take notes the demonstration result, reset through promoting the clipboard, can block the Golgin board, can protect the Golgin board to avoid receiving the damage.

Drawings

Fig. 1 is a schematic view of a first form of the present invention;

fig. 2 is a schematic diagram of a second embodiment of the present invention;

fig. 3 is a schematic rear view of the present invention;

fig. 4 is a schematic view of the local three-dimensional structure of the base of the present invention.

In the figure: 1. a writing board; 101. a carriage; 102. a grip; 2. a Golgin plate; 201. a support frame; 202. a ball inlet; 203. a storage box; 204. a demonstration ball; 205. a ball outlet pipe; 3. a base; 301. a moving wheel; 302. a sliding sleeve; 303. a support pillar; 304. a stopper; 305. fixing the knob; 306. a fixed mount; 4. a table plate; 401. a chute; 402. a support rod.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a probability distribution demonstrates teaching aid, including clipboard 1, base 3 and table 4, base 3's top fixedly connected with support column 303, the peripheral cover of support column 303 has sliding sleeve 302, the both sides fixed mounting of sliding sleeve 302 has bracing piece 402, the top fixedly connected with table 4 of bracing piece 402, the top sliding connection of table 4 has clipboard 1, through carriage 101 slidable mounting between table 4 and the clipboard 1, table 4 top fixed mounting of clipboard 1 rear end has goldon board 2, the top fixedly connected with storage tank 203 of goldon board 2, through mount 306 fixed connection between base 3 and the support column 303, and the top fixedly connected with dog 304 of support column 303, be fixed through fixed knob 305 between sliding sleeve 302 and the support column 303, the bottom fixedly connected with of base 3 removes wheel 301, through spout 401 sliding connection between table 4 and the carriage 101, and the peripheral cover of carriage 101 has handle 102.

The probability distribution demonstration teaching aid based on embodiment 1 has the working principle that: move this device to suitable position through removing wheel 301, can support column 303 through mount 306, utilize sliding sleeve 302 to slide from top to bottom along support column 303, can conveniently adjust the height of table 4, simultaneously can utilize sliding sleeve 302 to rotate round the axle center of support column 303, utilize dog 304 to block and prevent to drop sliding sleeve 302, utilize fixed knob 305 to carry out spacing fixed with sliding sleeve 302, the position that the demonstration was watched is conveniently adjusted according to the user demand, application scope has been improved, can support table 4 through bracing piece 402, utilize handle 102 can conveniently stimulate carriage 101, utilize spout 401 to make carriage 101 slide, can drive clipboard 1 and move to the outside in step, can make goldon board 2 behind clipboard 1 expose, can utilize goldon board 2 to carry out the probability distribution demonstration while, can utilize clipboard 1 in time to record the demonstration result, reset through promoting clipboard 1, can block goldon board 2, can protect goldon board 2 from receiving the damage, utilize storage tank 203 can deposit demonstration ball 204.

Example two

As shown in fig. 2 and fig. 3, the utility model provides a probability distribution demonstrates teaching aid compares in embodiment one, and this embodiment still includes: the Golgin board 2 and the storage box 203 are fixedly mounted through the supporting frame 201, the ball inlet 202 is formed in the top of the storage box 203, the ball outlet pipe 205 communicated with the Golgin board 2 is fixedly connected to the bottom of the storage box 203, and the demonstration ball 204 is stored in the storage box 203.

In this embodiment, as shown in fig. 2, the storage box 203 can be supported by the support frame 201, and the demonstration ball 204 can be placed in the storage box 203 by the ball inlet 202; as shown in fig. 3, the demonstration ball 204 can enter the storage box 203 into the golton board 2 by using the ball outlet tube 205 to perform probability distribution demonstration operation.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a probability distribution demonstrates teaching aid, includes clipboard (1), base (3) and table (4), its characterized in that: the utility model discloses a writing board, including base (3), the top fixedly connected with support column (303) of base (3), the peripheral cover of support column (303) has sliding sleeve (302), the both sides fixed mounting of sliding sleeve (302) has bracing piece (402), the top fixedly connected with table (4) of bracing piece (402), the top sliding connection of table (4) has clipboard (1), through carriage (101) slidable mounting between table (4) and clipboard (1), table (4) top fixed mounting of clipboard (1) rear end has goldenton board (2), the top fixedly connected with storage tank (203) of goldenton board (2).

2. A probability distribution demonstration teaching aid as claimed in claim 1, wherein: the base (3) is fixedly connected with the supporting column (303) through a fixing frame (306), and the top of the supporting column (303) is fixedly connected with a stop block (304).

3. A probability distribution demonstration teaching aid as claimed in claim 1, wherein: the sliding sleeve (302) is fixed with the supporting column (303) through a fixing knob (305), and the bottom of the base (3) is fixedly connected with a moving wheel (301).

4. A probability distribution demonstration teaching aid as claimed in claim 1, wherein: the table plate (4) is in sliding connection with the sliding frame (101) through a sliding groove (401), and a handle (102) is sleeved on the periphery of the sliding frame (101).

5. A probability distribution demonstration teaching aid as claimed in claim 1, wherein: the Golgin board (2) and the storage box (203) are fixedly installed through a support frame (201), and the top of the storage box (203) is provided with a ball inlet (202).

6. A probability distribution demonstration teaching aid as claimed in claim 1, wherein: the bottom of the storage box (203) is fixedly connected with a ball outlet pipe (205) communicated with the Golgin plate (2), and a demonstration ball (204) is stored in the storage box (203).