CN108922330A - A kind of teaching mathematic graph apparatus for demonstrating - Google Patents
A kind of teaching mathematic graph apparatus for demonstrating Download PDFInfo
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- CN108922330A CN108922330A CN201810778940.1A CN201810778940A CN108922330A CN 108922330 A CN108922330 A CN 108922330A CN 201810778940 A CN201810778940 A CN 201810778940A CN 108922330 A CN108922330 A CN 108922330A
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- China
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- groups
- bearing piece
- support
- cystosepiments
- scales
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
Abstract
The present invention relates to the technical fields of mathematical education auxiliary equipment, more particularly to a kind of teaching mathematic graph apparatus for demonstrating, the enthusiasm of student's study can be improved in its mathematic graph demenstration method, multiple groups mathematic graph of different shapes can be demonstrated simultaneously, it improves student and use reliability is improved to the cognitive ability of mathematic graph, and whole demonstration operation is flexible, adaptability is improved, reduces and uses limitation；Including the first bearing piece, the second bearing piece, third bearing piece, three groups of adjustment axis, three groups of left display boards, three groups of left cystosepiments, three groups of right display boards, three groups of right cystosepiments, the left displaying nail of multiple groups, the right displaying nail of multiple groups, three groups of left support axis, three groups of right support axis, three groups of left first scales, three groups of left second scales, three groups of right first scales, three groups of right second scales, support rod, four groups of screwed pipes, four groups of threaded rods, four groups of stiffening plates, bottom plate and four groups of universal rolling wheels, the top front side of bottom plate are provided with multiple groups rubber band.
Description
Technical field
The present invention relates to the technical fields of mathematical education auxiliary equipment, are demonstrated more particularly to a kind of teaching with mathematic graph
Device.
Background technique
It is well known that teaching is one kind for mathematic graph with mathematic graph apparatus for demonstrating, student is demonstrated, so as to
In the auxiliary device for preferably making student learn understanding mathematic graph, obtain widely making in the field of mathematical education
With；Existing teaching mathematic graph apparatus for demonstrating includes clipboard, lettering pen and blackboard eraser, writes to be provided on the downside of front edge of board and put
Plate is set, the top of placement plate is provided with placing groove, and lettering pen and blackboard eraser are both placed in inside placing groove；Existing teaching is used
Then mathematic graph apparatus for demonstrating is demonstrated to students in use, draw mathematic graph on clipboard using lettering pen,
A mathematic graph has been demonstrated, with blackboard eraser by clipboard wiped clean, another mathematic graph has been drawn and continues demonstration；It is existing
Some teaching are found in mathematic graph apparatus for demonstrating use, are directly drawn on clipboard with lettering pen and are carried out demonstration religion
It learns, mathematic graph demenstration method is more uninteresting, cannot drive the enthusiasm of student, cannot demonstrate multiple groups number of different shapes simultaneously
Figure is learned, keeps student poor to the cognitive ability of mathematic graph, causes its use reliability lower, and whole demonstration operation is not
Flexibly, adaptability is poor, higher using limitation.
Summary of the invention
In order to solve the above technical problems, the present invention provides the product that student's study can be improved in a kind of mathematic graph demenstration method
Polarity can demonstrate multiple groups mathematic graph of different shapes simultaneously, improve student to the cognitive ability of mathematic graph, improve and use
Reliability, and whole demonstration operation is flexible, improves adaptability, reduces to be demonstrated filling with mathematic graph using the teaching of limitation
It sets.
A kind of teaching mathematic graph apparatus for demonstrating of the invention, including the first bearing piece, the second bearing piece, third bearing piece, three
Group adjustment axis, three groups of left display boards, three groups of left cystosepiments, three groups of right display boards, three groups of right cystosepiments, the left displaying of multiple groups follow closely, are more
The right displaying nail of group, three groups of left support axis, three groups of right support axis, three groups of left first scales, three groups of left second scales, three groups of right sides first
Scale, three groups of right second scales, support rod, four groups of screwed pipes, four groups of threaded rods, four groups of stiffening plates, bottom plate and four groups of universal rollings
Wheel, the top of four groups of universal rolling wheels connect with the front left side of the bottom plate bottom end, left rear side, forward right side and right lateral side respectively
It connects, and front left side, left rear side, forward right side and the right lateral side of the support rod bottom end are provided with fixing groove, and four groups solid
Determine to be provided with support ball bearing inside slot, the top of four groups of screwed pipes is inserted and fixed installation to four groups of supports respectively
Inside ball bearing, the top of four groups of threaded rods is inserted into respectively and spiral shell is filled to the bottom inner portions of four groups of screwed pipes, and described four
Group stiffening plate top connect respectively with the bottom end of four groups of threaded rods, and the bottom end of four groups of stiffening plates respectively with the bottom
Front left side, left rear side, the forward right side on plate top are connected with right lateral side, and the top of the support rod is provided with the first regulating tank, and
And first regulating tank is internally provided with the first adjusting ball bearing, the top of the third bearing piece is provided with the second adjusting
Slot, and the second regulating tank is internally provided with the second adjusting ball bearing, and the top of second bearing piece is provided with third adjusting
Slot, and the third that is internally provided with of third regulating tank adjusts ball bearing, and first bearing piece is located at second bearing piece
Top, and the second bearing piece is located at the top of the third bearing piece, the 4th bearing piece are located at the top of the support rod, and described three groups
The top of adjustment axis is connect with the bottom end of first bearing piece, the second bearing piece and third bearing piece respectively, and three groups of adjustings
Axis bottom top is inserted and fixed installation to the first adjusting ball bearing, second respectively and adjusts ball bearing and third adjusting ball axis
Inside is held, the right end of three groups of left support axis is connect with the left end of first bearing piece, the second bearing piece and third bearing piece respectively,
And the left end of three groups of left support axis is connect with the right end of three groups of left display boards middle part respectively, three groups of left cystosepiments
Rear end is connect with the front end of three groups of left display boards respectively, the left end of three groups of right support axis respectively with described first
Block, the second bearing piece are connected with the right end of third bearing piece, and the right end of three groups of right support axis respectively with three groups of right display boards
Left end in the middle part of connect the rear ends of three groups of right cystosepiments and connect respectively with the front end of three groups of right display boards, described three groups
The rear end of left first scale is connect with the front end of three groups of left cystosepiments left side respectively, and the second scale of three groups of left sides
Rear end respectively with connect on the downside of the front end of three groups of left cystosepiments, the rear end of the first scale of three groups of right sides is respectively with described three
Connection on the right side of the front end of the right cystosepiment of group, and the rear end of described three groups right second scales respectively with three groups of right cystosepiments
Connection on the downside of front end, the front end of three groups of left cystosepiments is provided with left grid, and the front end of three groups of right cystosepiments
It is provided with right grid, and left grid is consistent with right sizing grid, the described three groups left rear ends for showing nail are uniformly distributed uniform respectively
Be inserted into according to left grid inside the front end of three groups of left cystosepiments, and three groups of right rear ends for showing nail are uniformly distributed equal respectively
Even is inserted into inside the front end of three groups of right cystosepiments according to right grid, is provided with multiple groups rubber band on front side of the top of bottom plate.
A kind of teaching mathematic graph apparatus for demonstrating of the invention further includes three groups of left-hand thread casings, three groups of right-hand thread sets
Pipe, three groups of left lead screws, three groups of right lead screws, three groups of left pressing plates and three groups of right pressing plates, the top difference of three groups of left-hand thread casings
It is connect with the center bottom of three groups of left display boards, the top of three groups of left lead screws is inserted into respectively and spiral shell is filled to three groups of left spiral shells
The top of the bottom inner portion of line casing, three groups of left pressing plates is connect with the bottom end of three groups of left lead screws respectively, three groups of right spiral shells
The top of line casing is connect with the center bottom of three groups of right display boards respectively, and the top of three groups of right lead screws is inserted into respectively
And spiral shell is filled to the bottom inner portion of three groups of right-hand thread casings, the top of three groups of right pressing plates connects with the bottom end of three groups of right lead screws respectively
It connects.
A kind of teaching mathematic graph apparatus for demonstrating of the invention, the displaying nail includes block plate, cylinder and fixed pin, institute
The rear end for stating block plate is connect with the front end of the cylinder, and the front end of the fixed pin is connect with the rear end of the cylinder.
A kind of teaching mathematic graph apparatus for demonstrating of the invention, further includes holder, the bottom end of the holder and institute
The front left side connection on bottom plate top is stated, and holder is internally provided with placed cavity, and the top of holder is provided with and takes
Mouth is put, is communicated inside the pick-and-place mouth and placed cavity.
A kind of teaching mathematic graph apparatus for demonstrating of the invention, further include four groups of supporting screw pipes, four groups of studdles and
Support baseboard, four groups of studdles are respectively positioned on the inside of four groups of universal rolling wheels, and four groups of studdles
Top is connect with front left side, left rear side, forward right side and the right lateral side of the bottom plate bottom end respectively, the left side on the support baseboard top
Front side, left rear side, forward right side and right lateral side are provided with support slot, and are provided with back-up roller inside four groups of support slots
Pearl bearing, the bottom end of four groups of supporting screw pipes is inserted and fixed respectively installs to four groups of support ball Bearing inners, and institute
The bottom end for stating four groups of studdles is inserted into respectively and spiral shell is filled to inside the top of four groups of supporting screw pipes.
Beneficial effects of the present invention are compared with prior art：Can by three groups of left display boards and three groups of right display boards into
Three groups of different mathematic graphs of row are demonstrated, and can according to three groups of left first scales and three groups of left second scales, and
Left grid is compareed, by under three groups of left displaying nail pullers, three groups of left foams can be inserted into respectively according to the mathematic graph of required displaying
Assembly is carried out on plate, while can be according to three groups of right first scales and three groups of right second scales, and compare right grid, by three groups
Under right displaying nail puller, it can be inserted into respectively according to the mathematic graph of required displaying on three groups of right cystosepiments and carry out assembly, and
Rubber band can be used to be set with assembled good mathematic graph, keep mathematic graph demonstration more obvious clear, to make it
The enthusiasm of student's study can be improved in mathematic graph demenstration method, improves student to the cognitive ability of mathematic graph, raising makes
With reliability, and the first bearing piece, the second bearing piece and third bearing piece can be allow to carry out phase by the rotation of three groups of support shafts
Make entirety that can carry out steering movement by the rotation of four groups of universal rolling wheels rotation, and can be with four groups of screw threads of synchronous rotary
Pipe, makes spinning in and out of four groups of threaded rods respectively inside four groups of screwed pipes, carry out entirety can according to on-the-spot demonstration environment
Adjusting in height, whole demonstration operation is flexible, improves adaptability, reduces and uses limitation.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the schematic perspective view of the connections such as left display board and left cystosepiment of the invention；
Fig. 3 is the schematic perspective view of the connections such as block plate, cylinder and fixed pin of the present invention；
Fig. 4 is the partial enlargement structural representation at A of the present invention；
It is marked in attached drawing：1, the first bearing piece；2, adjustment axis；3, left display board；4, left cystosepiment；5, left support axis；6, a left side first
Scale；7, left second scale；8, support rod；9, screwed pipe；10, threaded rod；11, stiffening plate；12, bottom plate；13, universal rolling wheel；
14, rubber band；15, left-hand thread casing；16, left lead screw；17, left pressing plate；18, block plate；19, cylinder；20, fixed pin；21, it places
Box；22, supporting screw pipe；23, studdle；24, support baseboard.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figures 1 to 4, a kind of teaching mathematic graph apparatus for demonstrating of the invention, including the first bearing piece 1, second
Bearing piece, third bearing piece, left 4, the three groups of right display boards of cystosepiment of three groups of 2, three groups of adjustment axis 3, three groups of left display boards, three groups of right foams
The left displaying nail of plate, multiple groups, the right displaying nail of multiple groups, three groups of left support axis, 5, three groups of right support axis, three groups of left 6, three groups of first scales
Right first scale of 7, three groups of left second scale, three groups of right second scales, 8, four groups of support rod, 9, four groups of screwed pipe threaded rod 10, four
Group stiffening plate 11, bottom plate 12 and four groups of universal rolling wheels 13, the top of four groups of universal rolling wheels respectively with the front left side of bottom plate bottom end, a left side
Rear side, forward right side are connected with right lateral side, and the front left side of support rod bottom end, left rear side, forward right side and right lateral side are provided with
Fixing groove, and support ball bearing is provided with inside four groups of fixing grooves, the top of four groups of screwed pipes is inserted and fixed respectively
Installation is to four groups of support ball Bearing inners, and the top of four groups of threaded rods is inserted into respectively and spiral shell is filled in the bottom end of four groups of screwed pipes
Portion, the top of four groups of stiffening plates are connect with the bottom end of four groups of threaded rods respectively, and the bottom end of four groups of stiffening plates respectively with bottom plate
Front left side, left rear side, the forward right side on top are connected with right lateral side, and the top of support rod is provided with the first regulating tank, and first
Regulating tank is internally provided with the first adjusting ball bearing, and the top of third bearing piece is provided with the second regulating tank, and second adjusts
Section slot is internally provided with the second adjusting ball bearing, and the top of the second bearing piece is provided with third regulating tank, and third regulating tank
Be internally provided with third adjust ball bearing, the first bearing piece is located at the top of the second bearing piece, and the second bearing piece is located at third
The top of bearing piece, the 4th bearing piece are located at the top of support rod, the top of three groups of adjustment axis respectively with the first bearing piece, the second bearing piece and
The bottom end of third bearing piece connects, and three groups of adjustment axis bottoms top be inserted and fixed respectively installation to first adjust ball bearing,
Second, which adjusts ball bearing and third, is adjusted inside ball bearing, the right end of three groups of left support axis respectively with the first bearing piece, second
Bearing piece is connected with the left end of third bearing piece, and the left end of three groups of left support axis connects in the middle part of the right end of three groups of left display boards respectively
It connects, the rear end of three groups of left cystosepiments is connect with the front end of three groups of left display boards respectively, and the left end of three groups of right support axis is respectively with
One bearing piece, the second bearing piece are connected with the right end of third bearing piece, and the right end of three groups of right support axis respectively with three groups of right display boards
Left end in the middle part of the rear ends of three groups of right cystosepiments of connection connect respectively with the front end of three groups of right display boards, three groups of first scales of a left side
Rear end connect on the left of the front end of three groups of left cystosepiments respectively, and the rear end of three groups of second scales of a left side respectively with three groups of left foams
The rear end of connection on the downside of the front end of plate, three groups of right first scales is connect on the right side of the front end of three groups of right cystosepiments respectively, and three
The rear end of right second scale of group is connect on the downside of the front end of three groups of right cystosepiments respectively, and the front end of three groups of left cystosepiments is provided with
Left grid, and the front end of three groups of right cystosepiments is provided with right grid, and left grid is consistent with right sizing grid, and three groups are left
It shows that the rear end of nail is uniformly distributed respectively to be uniformly inserted into according to left grid inside the front end of three groups of left cystosepiments, and three groups of right exhibitions
Show that the rear end of nail is uniformly distributed respectively to be uniformly inserted into according to right grid inside the front end of three groups of right cystosepiments, on front side of the top of bottom plate
It is provided with multiple groups rubber band 14；Can be carried out by three groups of left display boards and three groups of right display boards three groups of different mathematic graphs into
Row demonstration, and can be according to three groups of left first scales and three groups of left second scales, and left grid is compareed, by three groups of left displayings
Under nail puller, it can be inserted into respectively according to the mathematic graph of required displaying on three groups of left cystosepiments and carry out assembly, while can root
According to three groups of right first scales and three groups of right second scales, and right grid is compareed, it, can be according to institute by under three groups of right displaying nail pullers
The mathematic graph that need to be shown, which is inserted into respectively on three groups of right cystosepiments, carries out assembly, and rubber band can be used will be assembled good
Mathematic graph is set with, and keeps mathematic graph demonstration more obvious clear, so that its mathematic graph demenstration method be made to can be improved
The enthusiasm of student's study improves student and improves use reliability to the cognitive ability of mathematic graph, and can pass through three groups
The rotation of support shaft relatively rotates the first bearing piece, the second bearing piece and third bearing piece, passes through four groups of universal rolling wheels
Rotation makes entirety that can carry out steering movement, and four groups of threaded rods can be made respectively at four groups with four groups of screwed pipes of synchronous rotary
Spinning in and out inside screwed pipe make entirety that can carry out the adjusting in height, whole demonstration operation according to on-the-spot demonstration environment
Flexibly, adaptability is improved, reduces and uses limitation.
A kind of teaching mathematic graph apparatus for demonstrating of the invention further includes three groups of left-hand thread casings, 15, three groups of right-hand threads
Casing, three groups of left lead screws, 16, three groups of right lead screws, three groups of left pressing plates 17 and three groups of right pressing plates, the top point of three groups of left-hand thread casings
It is not connect with the center bottom of three groups of left display boards, the top of three groups of left lead screws is inserted into respectively and spiral shell is filled to three groups of left-hand thread casings
Bottom inner portion, the top of three groups of left pressing plates connect with the bottom end of three groups of left lead screws respectively, the top point of three groups of right-hand thread casings
It is not connect with the center bottom of three groups of right display boards, the top of three groups of right lead screws is inserted into respectively and spiral shell is filled to three groups of right-hand thread casings
Bottom inner portion, the top of three groups of right pressing plates is connect with the bottom end of three groups of right lead screws respectively；It can be by rotating three groups of left sides respectively
Lead screw and three groups of right lead screws make three groups of left lead screws and three groups of right lead screws respectively in three groups of left-hand thread casings and three groups of right-hand thread casings
It is internal to screw out downwards, make the bottom ends of the three groups of left pressing plates top with two groups of left display boards underlying in three groups of left display boards respectively
End and the top left hand of support rod are pressed into contact with, at the same can make the bottom ends of three groups of right pressing plates respectively with three groups of right display boards
In underlying two groups of right display boards top and support shaft top on the right side of be pressed into contact with, to make three groups of left exhibitions
When showing between plate and three groups of right display boards without rotating display operation, relative position locking can be carried out, it is easy to operate, it improves suitable
Should be able to power, improve on-the-spot teaching demonstration when diversity, reduce use limitation.
A kind of teaching mathematic graph apparatus for demonstrating of the invention shows that nail includes block plate 18, cylinder 19 and fixed pin 20,
The rear end of block plate and the front end of cylinder connect, and the front end of fixed pin and the rear end of cylinder connect；It can be convenient by cylinder
Rubber band suit, and displaying nail can be facilitated to be plugged in the front end of cystosepiment by fixed pin, and gear can be passed through
Disk prevents the rubber band after suit from falling off, and improves use reliability and practicability.
A kind of teaching mathematic graph apparatus for demonstrating of the invention further includes holder 21, the bottom end of holder and bottom plate
The front left side on top connects, and holder is internally provided with placed cavity, and the top of holder is provided with pick-and-place mouth, takes
It puts and is communicated inside mouth and placed cavity；It can take when convenient to use, improve simultaneously by holder multiple groups rubber band convenient for collecting
On-the-spot demonstration operating environment quality improves practicability.
A kind of teaching mathematic graph apparatus for demonstrating of the invention further includes four groups of supporting screw pipes, 22, four groups of studdles
23 and support baseboard 24, four groups of studdles are respectively positioned on the inside of four groups of universal rolling wheels, and the top of four groups of studdles point
It is not connect with the front left side of bottom plate bottom end, left rear side, forward right side and right lateral side, the front left side on support baseboard top, left rear side, the right side
Front side and right lateral side are provided with support slot, and support ball bearing is provided with inside four groups of support slots, four groups of support spiral shells
The bottom end of pipe is inserted and fixed respectively installs to four groups of support ball Bearing inners, and the bottom end of four groups of studdles is inserted respectively
Enter and spiral shell is filled to inside the top of four groups of supporting screw pipes；When integrally needing to stablize support, four groups of branch of synchronous rotary can be passed through
Screwed pipe is supportted, four groups of studdles is screwed out from inside four groups of supporting screw pipes respectively, support baseboard is supported with placed side and is connect
Touching makes four groups of universal rolling wheels be detached from placed side, improves whole stability.
A kind of teaching mathematic graph apparatus for demonstrating of the invention is integrally placed to learn demonstration first at work
On the placed side of position, three groups of different mathematic graphs then are carried out by three groups of left display boards and three groups of right display boards and are drilled
Show, and according to three groups of left first scales and three groups of left second scales, and compares left grid, by under three groups of left displaying nail pullers,
It is inserted on three groups of left cystosepiments respectively according to the mathematic graph of required displaying and carries out assembly, while according to three groups of right first scales
With three groups of right second scales, and right grid is compareed, by under three groups of right displayings nail pullers, according to the mathematic graph difference of required displaying
It is inserted on three groups of right cystosepiments and carries out assembly, and be set with assembled good mathematic graph using rubber band, then will
Entirety after packaging mathematic graph carries out the first bearing piece, the second bearing piece and third bearing piece by the rotation of three groups of support shafts
It relatively rotates, by the rotation of four groups of universal rolling wheels, so that entirety is carried out steering movement, and four groups of screwed pipes of synchronous rotary, make
The spinning in and out inside four groups of screwed pipes respectively of four groups of threaded rods carry out the adjusting in height, make whole according to on-the-spot demonstration
Environment carries out multi-angle and multipoint any adjusting, when being not necessarily to rotating display between three groups of left display boards and three groups of right display boards
When operation, by rotating three groups of left lead screws and three groups of right lead screws respectively, make three groups of left lead screws and three groups of right lead screws respectively at three groups
Left-hand thread casing and three groups of right-hand thread inside pipe casings screw out downwards, make the bottom end of three groups of left pressing plates respectively and in three groups of left display boards
The top of underlying two groups of left display boards and the top left hand of support rod are pressed into contact with, while making three groups of right pressing plates
Bottom end is carried out on the right side of the top of two groups of right display boards underlying in three groups of right display boards and the top of support shaft respectively
It is pressed into contact with, to make the integral position of three groups of left display boards and three groups of right display boards be locked, when integrally needs stablize branch
When support, by four groups of supporting screw pipes of synchronous rotary, screws out four groups of studdles from inside four groups of supporting screw pipes respectively, will support
Bottom plate and placed side are supported contact.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of teaching mathematic graph apparatus for demonstrating, which is characterized in that including the first bearing piece（1）, the second bearing piece, third branch
Block, three groups of adjustment axis（2）, three groups of left display boards（3）, three groups of left cystosepiments（4）, it is three groups of right display boards, three groups of right cystosepiments, more
The left displaying nail of group, the right displaying nail of multiple groups, three groups of left support axis（5）, three groups of right support axis, three groups of left first scales（6）, three groups it is left
Second scale（7）, three groups of right first scales, three groups of right second scales, support rod（8）, four groups of screwed pipes（9）, four groups of threaded rods
（10）, four groups of stiffening plates（11）, bottom plate（12）With four groups of universal rolling wheels（13）, four groups of universal rolling wheels（13）Top difference
With the bottom plate（12）Front left side, left rear side, the forward right side of bottom end are connected with right lateral side, and the support rod（8）Bottom end
Front left side, left rear side, forward right side and right lateral side are provided with fixing groove, and are provided with support ball inside four groups of fixing grooves
Bearing, four groups of screwed pipes（9）Top be inserted and fixed installation respectively to four groups of support ball Bearing inners, described four groups
Threaded rod（10）Top be inserted into respectively and spiral shell be filled to four groups of screwed pipes（9）Bottom inner portion, four groups of stiffening plates（11）'s
Top respectively with four groups of threaded rods（10）Bottom end connection, and four groups of stiffening plates（11）Bottom end respectively with the bottom plate
（12）Front left side, left rear side, the forward right side on top are connected with right lateral side, the support rod（8）Top be provided with the first adjusting
Slot, and first regulating tank is internally provided with the first adjusting ball bearing, and the top of the third bearing piece is provided with
Two regulating tanks, and the second regulating tank is internally provided with the second adjusting ball bearing, and the top of second bearing piece is provided with
Three regulating tanks, and the third that is internally provided with of third regulating tank adjusts ball bearing, first bearing piece（1）Positioned at described
The top of two bearing pieces, and the second bearing piece is located at the top of the third bearing piece, and the 4th bearing piece is located at the support rod（8）It is upper
Side, three groups of adjustment axis（2）Top respectively with first bearing piece（1）, the second bearing piece connected with the bottom end of third bearing piece,
And three groups of adjustment axis（2）Bottom top is inserted and fixed installation to the first adjusting ball bearing, second respectively and adjusts ball
Bearing and third are adjusted inside ball bearing, three groups of left support axis（5）Right end respectively with first bearing piece（1）,
Two bearing pieces are connected with the left end of third bearing piece, and three groups of left support axis（5）Left end respectively with three groups of left display boards（3）
Right end in the middle part of connection, three groups of left cystosepiments（4）Rear end respectively with three groups of left display boards（3）Front end connection,
The left end of three groups of right support axis respectively with first bearing piece（1）, the second bearing piece connected with the right end of third bearing piece, and
The right end of three groups of right support axis connect the rear end of three groups of right cystosepiments with the left end of three groups of right display boards middle part respectively
It is connect respectively with the front end of three groups of right display boards, described three groups left first scales（6）Rear end it is left with described three groups respectively
Cystosepiment（4）Front end on the left of connection, and three groups of left second scales（7）Rear end respectively with three groups of left cystosepiments
（4）Front end on the downside of connection, the rear end of three groups of right first scales respectively with connect on the right side of the front end of three groups of right cystosepiments
It connects, and the rear end of described three groups right second scales is connect with the front end of three groups of right cystosepiments downside respectively, described three groups
Left cystosepiment（4）Front end be provided with left grid, and the front end of three groups of right cystosepiments is provided with right grid, and
Left grid is consistent with right sizing grid, and the described three groups left rear ends for showing nail are uniformly distributed respectively to be uniformly inserted into three according to left grid
The left cystosepiment of group（4）Front end inside, and three groups of right rear ends for showing nail are uniformly distributed respectively uniformly inserts according to right grid
Enter to the front end of three groups of right cystosepiments, bottom plate（12）Top on front side of be provided with multiple groups rubber band（14）.
2. a kind of teaching mathematic graph apparatus for demonstrating as described in claim 1, which is characterized in that further include three groups of left-hand threads
Casing（15）, three groups of right-hand thread casings, three groups of left lead screws（6）, three groups of right lead screws, three groups of group pressing plates（17）With three groups of right pressing plates,
Three groups of left-hand thread casings（15）Top respectively with three groups of left display boards（3）Center bottom connection, described three groups
Left lead screw（6）Top be inserted into respectively and spiral shell be filled to three groups of left-hand thread casings（15）Bottom inner portion, three groups of group pressing plates
（17）Top respectively with three groups of left lead screws（6）Bottom end connection, the top of three groups of right-hand thread casings is respectively with described three
The center bottom connection of the right display board of group, the top of three groups of right lead screws is inserted into respectively and spiral shell is filled to three groups of right-hand thread casings
The top of bottom inner portion, three groups of right pressing plates is connect with the bottom end of three groups of right lead screws respectively.
3. a kind of teaching mathematic graph apparatus for demonstrating as claimed in claim 2, which is characterized in that the displaying nail includes gear
Disk（18）, cylinder（19）And fixed pin（20）, the block plate（18）Rear end and the cylinder（19）Front end connection, and institute
State fixed pin（20）Front end and the cylinder（19）Rear end connection.
4. a kind of teaching mathematic graph apparatus for demonstrating as claimed in claim 3, which is characterized in that further include holder
（21）, the holder（21）Bottom end and the bottom plate（12）The front left side on top connects, and holder（21）Inside
It is provided with placed cavity, and holder（21）Top be provided with pick-and-place mouth, communicated inside the pick-and-place mouth and placed cavity.
5. a kind of teaching mathematic graph apparatus for demonstrating as claimed in claim 4, which is characterized in that further include four groups of support spiral shells
Pipe（22）, four groups of studdles（23）And support baseboard（24）, four groups of studdles（23）Be respectively positioned on described four groups it is universal
Idler wheel（13）Inside, and four groups of studdles（23）Top respectively with the bottom plate（12）The front left side of bottom end,
Left rear side, forward right side are connected with right lateral side, the support baseboard（24）Front left side, left rear side, forward right side and the right lateral side on top
It is provided with support slot, and is provided with support ball bearing inside four groups of support slots, four groups of supporting screw pipes
（22）Bottom end be inserted and fixed installation respectively to four groups of support ball Bearing inners, and four groups of studdles（23）'s
Bottom end is inserted into respectively and spiral shell is filled to four groups of supporting screw pipes（22）Top inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778940.1A CN108922330A (en) | 2018-07-16 | 2018-07-16 | A kind of teaching mathematic graph apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778940.1A CN108922330A (en) | 2018-07-16 | 2018-07-16 | A kind of teaching mathematic graph apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
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| CN108922330A true CN108922330A (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810778940.1A Pending CN108922330A (en) | 2018-07-16 | 2018-07-16 | A kind of teaching mathematic graph apparatus for demonstrating |
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| CN104715651A (en) * | 2013-12-15 | 2015-06-17 | 西安博智教学研究院 | Portable eyesight memory training machine |
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| CN205692519U (en) * | 2016-06-06 | 2016-11-16 | 河南农业职业学院 | New tourism management drop loss propaganda board |
| CN206421609U (en) * | 2017-01-11 | 2017-08-18 | 长沙航空职业技术学院 | A kind of board for teaching mathematics |
| CN206726547U (en) * | 2017-03-10 | 2017-12-08 | 郑利平 | Primary school math teaching plate |
| CN207344899U (en) * | 2017-10-19 | 2018-05-11 | 沧州华阳耐火保温材料有限公司 | A kind of tubular rubber cutter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104715651A (en) * | 2013-12-15 | 2015-06-17 | 西安博智教学研究院 | Portable eyesight memory training machine |
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| CN106002393A (en) * | 2016-08-11 | 2016-10-12 | 安徽江淮汽车股份有限公司 | Bent arm milling fixture |
| CN206421609U (en) * | 2017-01-11 | 2017-08-18 | 长沙航空职业技术学院 | A kind of board for teaching mathematics |
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Application publication date: 20181130 |