CN211124595U - Sports statistics normal distribution demonstration teaching aid - Google Patents
Sports statistics normal distribution demonstration teaching aid Download PDFInfo
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- CN211124595U CN211124595U CN201922405565.9U CN201922405565U CN211124595U CN 211124595 U CN211124595 U CN 211124595U CN 201922405565 U CN201922405565 U CN 201922405565U CN 211124595 U CN211124595 U CN 211124595U
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- teaching aid
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- fixedly connected
- normal distribution
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Abstract
The utility model belongs to the technical field of teaching aid, specifically disclose a sports statistics normal distribution demonstration teaching aid, it is whole including the teaching aid, the demonstration part, fixed part and bottom fixing base, the holistic preceding middle part fixedly connected with demonstration part of teaching aid, the preceding swing joint in top of demonstration part has the movable block, the top of demonstration part embedding at the back is connected with the fly leaf, the top fixedly connected with connecting wire of fly leaf, the holistic back fixedly connected with fixed part of teaching aid, fixed part and the whole fixed connection of teaching aid, fixed part can wholly support and fix the teaching aid, and wrap up the protection with the demonstration part, fixed part divide into bottom fixing base and top fixed plate, through opening the switch, make the battery provide the electric energy for L ED luminescent plate, can illuminate the normal distribution map on the demonstration part, four universal wheels on the bottom fixing base distribute and support the position at four angles of bottom, the stability that the teaching aid was fixed is supported has been.
Description
Technical Field
The utility model belongs to the technical field of teaching aid, specifically be a sports statistics normal distribution demonstration teaching aid.
Background
Statistics is a comprehensive science which can deduce the essence of a measured object and even predict the future of the object by means of searching, sorting, analyzing and describing data, and the statistics uses a great deal of professional knowledge of mathematics and other subjects, the application range of the statistics almost covers all fields of social science and natural science, and the drawing and demonstration of normal distribution is an important analysis method of statistics.
Present statistics normal distribution demonstration teaching aid supports fixed unstability, and teaching effect is poor, can not be true complete demonstrate the law of normal distribution, and present statistics normal distribution demonstration teaching aid does not support and the part that can remove, and the transport and the operation of inconvenient teaching aid, the teaching aid is not perfect enough, and outstanding and the characteristic that demonstrates normal distribution that can not be fine is difficult to satisfy modern society's demand.
Therefore, how to design a teaching aid for demonstrating normal distribution of sports statistics becomes a problem which needs to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sports statistics normal distribution demonstration teaching aid to provide the fixed unstability of support, the poor problem of teaching effect in solving above-mentioned background.
In order to achieve the purpose, the utility model provides a sports statistics normal distribution demonstrates teaching aid, including the whole teaching aid, demonstration part, fixed part and bottom fixing base, the whole preceding middle part fixedly connected with demonstration part of teaching aid, the whole back fixedly connected with fixed part of teaching aid, the bottom fixedly connected with bottom fixing base of fixed part, the top fixedly connected with top fixing base of fixed part, the bottom fixedly connected with universal wheel of bottom fixing base, the preceding swing joint in top of demonstration part has the movable block, the top back embedding of demonstration part is connected with the fly leaf, the top fixedly connected with connecting wire of fly leaf, the top back fixedly connected with couple of top fixing base, the top opposite side fixedly connected with switch of top fixing base, the other end top inner wall embedding of top fixing base is connected with the hole of charging, the inside other end embedding of demonstration part is connected with the rubber backing plate, the inside one end top fixedly connected with clamping spring of demonstration part, the opposite side fixedly connected with extrusion fixed block of clamping spring, the top opposite side inner wall embedding of demonstration part is connected with the connecting hole, the one end fixedly connected with clipboard of demonstration part, the inside other end fixedly connected with light-emitting plate L of fixed seat of the inside of battery.
Preferably, the sponge backing plate is embedded and connected to the inner side of the top of the bottom fixing seat.
Preferably, the other side of the charging hole is fixedly connected with a dustproof plug.
Preferably, the outer side of the bottom of the universal wheel is connected with anti-skid lines in a nested mode.
Preferably, the demonstration part is provided with one, the demonstration part sets up at the holistic preceding middle part of teaching aid, demonstration part and the whole fixed connection of teaching aid.
Preferably, the fixed part is provided with one, the fixed part sets up at the holistic back of teaching aid, fixed part and the whole fixed connection of teaching aid.
Compared with the prior art, the beneficial effects of the utility model are that:
1. sports statistics normal distribution demonstration teaching aid, demonstration part set up at the holistic preceding middle part of teaching aid, and demonstration part and the whole fixed connection of teaching aid, demonstration part can come out normal distribution's law and image through the demonstration in kind.
2. Sports statistics normal distribution demonstration teaching aid, the fixed part setting is at the holistic back of teaching aid, the fixed part is connected with the whole fixed connection of teaching aid, the fixed part can wholly support the teaching aid and fix to wrap up the protection with the demonstration part, the fixed part divide into bottom fixing base and top fixed plate, has guaranteed that the teaching aid supports fixed stability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a stationary member of the present invention;
fig. 3 is a cross-sectional view of the top fixing plate of the present invention;
fig. 4 is a bottom fixing cross-sectional view of the present invention.
In the drawing, the teaching aid comprises a teaching aid body 1, a demonstration part 2, a fixed part 3, a bottom fixed seat 4, a universal wheel 5, a movable plate 6, a connecting wire 7, a connecting wire 8, a hook 9, a dust plug 10, a charging hole 11, a switch 12, a rubber base plate 13, an extrusion fixed block 14, a clamping spring 15, a connecting hole 16, a writing plate 17, a storage battery 18, L ED, a light emitting plate 19, an anti-skid pattern 20, a sponge base plate 21, a movable block 22 and a top fixed plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Embodiment one, please refer to fig. 1-4, the utility model provides a technical scheme, a statistics normal distribution demonstrates teaching aid, including teaching aid whole 1, demonstrate part 2, fixed part 3 and bottom fixing base 4, the preceding middle part fixedly connected with demonstration part 2 of teaching aid whole 1, the back fixedly connected with fixed part 3 of teaching aid whole 1, the bottom fixedly connected with bottom fixing base 4 of fixed part 3, the top fixedly connected with top fixing base 22 of fixed part 3, the bottom fixedly connected with universal wheel 5 of bottom fixing base 4, the preceding swing joint in top of demonstration part 2 has movable block 21, the embedding is connected with fly leaf 6 behind the top of demonstration part 2, the top fixedly connected with connecting wire 7 of fly leaf 6, top rear fixedly connected with couple 8 of top fixing base 22, the top opposite side fixedly connected with switch 11 of top fixing base 22, the other end top inner wall embedding of top fixing base 22 is connected with hole 10 that charges, the inside other end embedding of demonstration part 2 is connected with rubber tie plate 12, the inside one end top fixedly connected with clamping spring 14 of demonstration part 2, the opposite side fixedly connected with fixed block 13 of clamping spring 14, the top inner wall embedding of demonstration part 2 is connected with the other end of battery fixed connection hole L, the inside of fixed connection of the fixed connection of luminous plate 22 is connected with ED 17.
Preferably, the inboard embedding in top of bottom fixing base 4 is connected with sponge backing plate 20, when using the teaching aid, need place demonstration part 2 in fixed part 3's bottom fixing base 4, two splint through 4 tops of bottom fixing base will demonstrate part 2 and carry out the centre gripping fixed, sponge backing plate 20 is made for the sponge, when putting into the top of bottom fixing base 4 with demonstration part inboard, sponge backing plate 20 can be isolated and cushion the impact force with demonstration part 2 and 4 hard positions of bottom fixing base, avoid demonstration part 2 to be collided with badly when rocking, the effectual integrality that improves demonstration part 2.
Preferably, the dustproof stopper 9 of opposite side fixedly connected with in hole 10 charges, when the outside air is dry relatively, certain dust can be floated to the air among the external environment, the inboard in hole 10 that charges is direct and outside environment direct contact, dustproof stopper 9 is the soft stopper that rubber was made, dustproof stopper 9 is when the inside of filling into hole 10 that charges, can completely cut off dust and moisture in the external environment, the inboard of avoiding charging hole 10 has the dust to get into, the effectual dirt proofness that improves dustproof stopper 9.
Preferably, the bottom outside nested joint of universal wheel 5 has anti-skidding line 19, and the teaching aid is whole 1 can remove through universal wheel 5, and anti-skidding line 19 is coarse line, and in the time of universal wheel 5 and ground contact, anti-skidding line 19 can increase the frictional force of universal wheel 5 and ground contact for universal wheel 5 has bigger land fertility of grabbing, avoids taking place the condition of skidding at slippery ground universal wheel 5, the effectual antiskid nature that improves universal wheel 5.
Preferably, the number of the demonstration parts 2 is one, the demonstration parts 2 are arranged in the middle of the front of the teaching aid body 1, the demonstration parts 2 are fixedly connected with the teaching aid body 1, the demonstration parts 2 can demonstrate the law of normal distribution and images through a real object, when the teaching aid is used, the movable block 21 moves forwards to enable the extrusion fixed block 13 to extrude to one side, the movable plate 6 is embedded into the connecting hole 15, the height fixation of the movable plate 6 is determined by observing scale marks on the movable plate 6, then the movable block 21 is loosened, the extrusion fixed block 13 is extruded to the other side by the elastic force of the clamping spring 14, the movable plate 6 is clamped and fixed by the extrusion fixed block 13, the movable plate 6 is supported and fixed through the rubber backing plate 12, and the accurate coordinates of a point can be accurately reflected through the scales on the top end of the demonstration parts 2 and the scales on the, and then the connecting wire 7 is connected with the hook on the movable plate 6, so that the law and the characteristic of normal distribution can be reflected more truly, and the practicability of the teaching aid is effectively improved.
Preferably, fixed part 3 is provided with one, fixed part 3 sets up at the whole 1 back of teaching aid, fixed part 3 and the whole 1 fixed connection of teaching aid, fixed part 3 can support and fix the whole 1 of teaching aid, and wrap up the protection with demonstration part 2, fixed part 3 divide into bottom fixing base 4 and top fixed plate, when using the teaching aid, couple 8 through fixed part 3 top fixed plate 22 can hang the whole 1 plank of teaching aid on the wall or catch on the plank after the comparison and fix, bottom fixing base 4 can place demonstration part 2 at the splint inboard at the top through fixed part 3, wrap up the protection to demonstration part 2, make whole 1 of teaching aid can remove through universal wheel 5 on bottom fixing base 4, when the position that the teaching aid was placed is darker, through opening switch 11, make battery 17 provide the electric energy for L ED 18, can illuminate the normal distribution map on the demonstration part 2, four universal wheels 5 on bottom fixing base 4 distribute and support the position at four angles of bottom, the stability that the teaching aid was fixed is supported has been guaranteed.
The working principle is as follows: whether the dustproof plug 9 is damaged is checked, the dustproof plug 9 is fixedly connected to the other side of the charging hole 10, when external air is dry, certain dust can float in the air in the external environment, the inner side of the charging hole 10 is directly in direct contact with the external environment, the dustproof plug 9 is a soft plug made of rubber, when the dustproof plug 9 is plugged into the charging hole 10, the dust in the external environment can be isolated from moisture, the dust is prevented from entering the inner side of the charging hole 10, and the dustproof performance of the dustproof plug 9 is effectively improved;
then, the abrasion condition of the anti-skid grains 19 is checked, the anti-skid grains 19 are connected to the outer side of the bottom of the universal wheel 5 in an embedded mode, the whole teaching aid 1 can move through the universal wheel 5, the anti-skid grains 19 are rough grains, when the universal wheel 5 is in contact with the ground, the anti-skid grains 19 can increase the friction force of the contact between the universal wheel 5 and the ground, the universal wheel 5 has higher ground holding force, the slipping condition of the universal wheel 5 on the wet and slippery ground is avoided, and the anti-skid performance of the universal wheel 5 is effectively improved;
then, the sponge base plate 20 is replaced or cleaned, the sponge base plate 20 is connected to the inner side of the top of the bottom fixing seat 4 in an embedded mode, when the teaching aid is used, the demonstration part 2 needs to be placed in the bottom fixing seat 4 of the fixing part 3, the demonstration part 2 is clamped and fixed through two clamping plates at the top of the bottom fixing seat 4, the sponge base plate 20 is made of sponge, when the demonstration part is placed on the inner side of the top of the bottom fixing seat 4, the sponge base plate 20 can isolate the demonstration part 2 from the hard part of the bottom fixing seat 4 and buffer impact force, the demonstration part 2 is prevented from being damaged when the demonstration part 2 shakes, and the integrity of the demonstration part 2 is effectively improved;
next, the whole teaching aid 1 is supported and fixed through the fixing part 3, the fixing part 3 is provided with one, the fixing part 3 is arranged behind the whole teaching aid 1, the fixing part 3 is fixedly connected with the whole teaching aid 1, the fixing part 3 can support and fix the whole teaching aid 1 and can wrap and protect the demonstration part 2, the fixing part 3 is divided into a bottom fixing seat 4 and a top fixing plate, when the teaching aid is used, the whole teaching aid 1 can be hung on a wall or a wood plate after comparison can be hooked and fixed through a hook 8 of the top fixing plate 22 on the fixing part 3, the demonstration part 2 can be placed on the inner side of a clamping plate at the top through the bottom fixing seat 4 on the fixing part 3, the demonstration part 2 is wrapped and protected, the whole teaching aid 1 can move through universal wheels 5 on the bottom fixing seat 4, when the teaching aid is placed in a dark position, a switch 11 is opened, the light-emitting plate storage battery 17 provides electric energy for L ED 18, a normal distribution diagram on the demonstration part 2 can be illuminated, the four universal wheels 5 on the bottom fixing seat 4 are distributed on the four corners of the bottom to support, and the;
finally, the normal distribution diagram is demonstrated through the demonstration part 2, one demonstration part 2 is arranged, the demonstration part 2 is arranged in the middle of the front of the teaching aid whole 1, the demonstration part 2 is fixedly connected with the teaching aid whole 1, the demonstration part 2 can demonstrate the law of normal distribution and images through a real object, when the teaching aid is used, the movable block 21 moves forwards to enable the extrusion fixed block 13 to extrude to move towards one side, the movable plate 6 is embedded into the connecting hole 15, the height fixation of the movable plate 6 is determined by observing scale marks on the movable plate 6, then the movable block 21 is loosened, the extrusion fixed block 13 is extruded towards the other side by the elasticity of the clamping spring 14, the movable plate 6 is clamped and fixed by the extrusion fixed block 13, the movable plate 6 is supported and fixed through the rubber base plate 12, and the accurate coordinates of a point can be accurately reflected through the scale marks on the top end of the demonstration part 2 and the scale, couple on 7 and the fly leaf 6 with the connecting wire again for normal distribution's law and characteristic can come out by more real reaction, the effectual practicality that improves the teaching aid, and this kind of sports statistics normal distribution demonstrates teaching aid's theory of operation.
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 (7)
1. The utility model provides a statistics normal distribution demonstration teaching aid, includes that the teaching aid is whole (1), demonstration part (2), fixed part (3) and bottom fixing base (4), its characterized in that: the teaching aid is characterized in that a demonstration part (2) is fixedly connected to the front middle part of the whole teaching aid (1), a fixed part (3) is fixedly connected to the back of the whole teaching aid (1), a bottom fixing seat (4) is fixedly connected to the bottom of the fixed part (3), a top fixing seat (22) is fixedly connected to the top of the fixed part (3), a universal wheel (5) is fixedly connected to the bottom of the bottom fixing seat (4), a movable block (21) is movably connected to the front of the top end of the demonstration part (2), a movable plate (6) is embedded and connected to the back of the top end of the demonstration part (2), a connecting wire (7) is fixedly connected to the top end of the movable plate (6), a hook (8) is fixedly connected to the back of the top fixing seat (22), and a switch (11) is, the other end top inner wall embedding of top fixing base (22) is connected with hole (10) that charges.
2. A sports statistics normal distribution demonstration teaching aid according to claim 1, characterized in that the inside other end of demonstration part (2) is connected with rubber backing plate (12) in an embedding manner, the inside one end top of demonstration part (2) is fixedly connected with clamping spring (14), the other side of clamping spring (14) is fixedly connected with extrusion fixed block (13), the top end other side inner wall of demonstration part (2) is connected with connecting hole (15) in an embedding manner, one end of demonstration part (2) is fixedly connected with writing board (16), the inside other end of top fixing base (22) is fixedly connected with storage battery (17), and inside one side of top fixing base (22) is fixedly connected with L ED luminescent plate (18).
3. A sports statistics normal distribution demonstration teaching aid according to claim 1, characterized in that: the sponge base plate (20) is embedded and connected to the inner side of the top of the bottom fixing seat (4).
4. A sports statistics normal distribution demonstration teaching aid according to claim 1, characterized in that: and the other side of the charging hole (10) is fixedly connected with a dustproof plug (9).
5. A sports statistics normal distribution demonstration teaching aid according to claim 1, characterized in that: the outer side of the bottom of the universal wheel (5) is connected with anti-skid grains (19) in a nested manner.
6. A sports statistics normal distribution demonstration teaching aid according to claim 1, characterized in that: demonstration part (2) are provided with one, demonstration part (2) set up the preceding middle part at the whole (1) of teaching aid, demonstration part (2) and the whole (1) fixed connection of teaching aid.
7. A sports statistics normal distribution demonstration teaching aid according to claim 1, characterized in that: the teaching aid is characterized in that one fixing part (3) is arranged, the fixing part (3) is arranged on the back of the whole teaching aid (1), and the fixing part (3) is fixedly connected with the whole teaching aid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405565.9U CN211124595U (en) | 2019-12-27 | 2019-12-27 | Sports statistics normal distribution demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405565.9U CN211124595U (en) | 2019-12-27 | 2019-12-27 | Sports statistics normal distribution demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211124595U true CN211124595U (en) | 2020-07-28 |
Family
ID=71707318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922405565.9U Expired - Fee Related CN211124595U (en) | 2019-12-27 | 2019-12-27 | Sports statistics normal distribution demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211124595U (en) |
-
2019
- 2019-12-27 CN CN201922405565.9U patent/CN211124595U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20201227 |