CN207285601U - A kind of mathematical example showing stand easy to use - Google Patents
A kind of mathematical example showing stand easy to use Download PDFInfo
- Publication number
- CN207285601U CN207285601U CN201720355140.XU CN201720355140U CN207285601U CN 207285601 U CN207285601 U CN 207285601U CN 201720355140 U CN201720355140 U CN 201720355140U CN 207285601 U CN207285601 U CN 207285601U
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- Prior art keywords
- block
- spring
- groove
- fixedly connected
- folding
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- 241001633942 Dais Species 0.000 claims abstract description 26
- 201000000585 muscular atrophy Diseases 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
The utility model discloses a kind of mathematical example showing stand easy to use, it is related to teaching aid field.The mathematical example showing stand easy to use, including dais, the top at the dais is simultaneously symmetrically fixedly connected with block with dais front vertical central axes, the top at the dais simultaneously offers folding and unfolding groove close to the position of block, the inner wall both sides of the folding and unfolding groove offer sliding slot, it is fixedly connected at the top of the inner wall of two sliding slots with inner wall bottom by gag lever post, the folding and unfolding groove is internally provided with limiting plate.The mathematical example showing stand easy to use, it is simple in structure, simple operation, pass through being used cooperatively for dais and folding and unfolding groove, can display board without using when income to the inside of folding and unfolding groove, by spring and inserted block and coordinate the use of slot when in use, the position of display board can be fixed, use very convenient, avoiding existing showing stand needs to carry the situation for wasting muscle power back and forth.
Description
Technical field
Teaching aid technical field is the utility model is related to, is specially a kind of mathematical example showing stand easy to use.
Background technology
Mathematics is a subject for studying the concepts such as quantity, structure, change, space and information, is belonged in terms of certain angle
In one kind of formal science.Due to the importance of mathematics, so being most heavy subject in terms of education.Primary school, junior middle school or
The problem parsing of mathematics is all the most important thing that instructors are taught when senior middle school.
At present, it would generally use when teacher parses mathematical example in classroom and be write on blackboard, also be had
Partial showing stand, but existing showing stand without using when also need to teacher and be transported to holding chamber, due to removing back and forth
Fortune has not only delayed the time, and the waste in muscle power is also caused to teacher, uses unusual inconvenience.
Utility model content
(1) technical problem solved
In view of the deficiencies of the prior art, the utility model provides a kind of mathematical example showing stand easy to use, solves
Carry back and forth, inconvenient problem with use.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of mathematics easy to use
Example showing stand, including dais, the top at the dais are simultaneously symmetrically fixedly connected with block with dais front vertical central axes, institute
To state the top at dais and offer folding and unfolding groove close to the position of block, the inner wall both sides of the folding and unfolding groove offer sliding slot, and two
It is fixedly connected at the top of the inner wall of a sliding slot with inner wall bottom by gag lever post, the folding and unfolding groove is internally provided with limiting plate,
The both ends of the limiting plate extend through folding and unfolding groove and extend to the inside of sliding slot, and the rear and front end of the limiting plate is socketed respectively
On the surface of two gag lever posts, the top of the limiting plate is simultaneously fixedly connected with supporting rack, the branch positioned at the inside of folding and unfolding groove
The front of support offers slot, the exhibition that the one end of support frame as described above away from limiting plate is set through folding and unfolding groove and with dais top
Show that plate is fixedly connected, the front of the display board offers display slot, and the inner bottom wall of the display slot is fixedly connected with magnetic plate.
The inside of two blocks offers spring groove, and the top of two blocks offers and spring groove phase
The bar shaped groove of connection, the inside of the spring groove are respectively arranged with spring and inserted block, and the spring is located at the front of inserted block, institute
State one end of spring to be fixedly connected with the front of inserted block, the other end of the spring is fixedly connected with the inner wall of spring groove, described
The one end of inserted block away from spring runs through the through hole that block is opened up close to supporting rack side and extends to the inside of slot, the inserted block
Bottom and be fixedly connected with sliding block close to the side of spring, the bottom of the sliding block is contacted with the inner bottom wall of spring groove, described
The top of the inserted block and position of corresponding sliding block is fixedly connected with pushing block, the one end of the pushing block away from inserted block sequentially passes through bullet
Spring groove and bar shaped groove and the top for extending to block.
Preferably, the front surface of the block and the front surface at dais are located on same vertical plane, the back of the body table of the block
Face is located on same vertical plane with folding and unfolding groove close to the inner wall of stop location.
Preferably, the top middle-end of the display board is fixedly connected with handle, and the front of the handle offers handle groove.
Preferably, the one end of the spring away from inserted block is fixedly connected with spring anchor block, and the spring anchor block is remote
One end of spring is fixedly connected with spring groove.
Preferably, the front and back that the pushing block is located above block has been fixedly connected with anti-skid rubber cushion.(3)
Beneficial effect
The utility model provides a kind of mathematical example showing stand easy to use.Possesses following beneficial effect：
1st, the mathematical example showing stand easy to use, simple in structure, simple operation, passes through the cooperation of dais and folding and unfolding groove
Use, can display board without using when income to the inside of folding and unfolding groove, by spring and inserted block and coordinate when in use
The use of slot, can be fixed the position of display board, use very convenient, and avoiding existing showing stand needs
The situation for wasting muscle power is carried back and forth.
2nd, the mathematical example showing stand easy to use, also being used cooperatively by limiting plate and gag lever post, in display board
Need to use or need to be defined the position that it runs when folding and unfolding, avoid spacing when moving up and down
Plate, which tilts, causes the situation that display board cannot continue to move to.
Brief description of the drawings
Fig. 1 is the utility model structure front view；
Fig. 2 regards cross-sectional view of the structure for the utility model is right；
Fig. 3 is cross-sectional view of the structure at A in the utility model Fig. 1.
Wherein, 1 dais, 2 blocks, 3 folding and unfolding grooves, 4 sliding slots, 5 gag lever posts, 6 limiting plates, 7 supporting racks, 8 slots, 9 display boards,
10 display slots, 11 magnetic plates, 12 spring grooves, 13 bar shaped grooves, 14 springs, 15 inserted blocks, 16 sliding blocks, 17 pushing blocks, 18 handles, 19
Handle groove, 20 spring anchor blocks, 21 anti-skid rubber cushions.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of mathematical example showing stand easy to use, as shown in Figs. 1-3, including dais
1, the top at dais 1 is simultaneously symmetrically fixedly connected with block 2, the top at dais 1 and close block with 1 front vertical central axes of dais
2 position offers folding and unfolding groove 3, and the front surface of block 2 is located on same vertical plane with the front surface at dais 1, the back of the body table of block 2
Face is located on same vertical plane with inner wall of the folding and unfolding groove 3 close to 2 position of block, and the inner wall both sides of folding and unfolding groove 3 offer sliding slot
4, the inner wall top of two sliding slots 4 is fixedly connected with inner wall bottom by gag lever post 5, and being internally provided with for folding and unfolding groove 3 is spacing
Plate 6, the both ends of limiting plate 6 extend through folding and unfolding groove 3 and extend to the inside of sliding slot 4, and the rear and front end of limiting plate 6 is socketed respectively
On the surface of two gag lever posts 5, the top of limiting plate 6 is simultaneously fixedly connected with supporting rack 7, supporting rack 7 positioned at the inside of folding and unfolding groove 3
Front offer slot 8, the displaying that the one end of supporting rack 7 away from limiting plate 6 is set through folding and unfolding groove 3 and with the top of dais 1
Plate 9 is fixedly connected, and the top middle-end of display board 9 is fixedly connected with handle 18, and the front of handle 18 offers handle groove 19, passes through
Handle 18, operates more convenient when needing and display board 9 is lifted or placed, and using handle groove 19, increases
Fixed effect when handle 18 is held, the front of display board 9 offers display slot 10, and the inner bottom wall of display slot 10, which is fixed, to be connected
Magnetic plate 11 is connected to, is coordinated when the example that teacher explains needs is placed on above display board 9 by external magnet piece
The use of magnet plate 11 can just be fixed on example paper above display board 9.
The inside of two blocks 2 offers spring groove 12, and the top of two blocks 2 is offered to be connected with spring groove 12
Logical bar shaped groove 13, the inside of spring groove 12 are respectively arranged with spring 14 and inserted block 15, and spring 14 is located at the front of inserted block 15,
One end of spring 14 is fixedly connected with the front of inserted block 15, and the other end of spring 14 is fixedly connected with the inner wall of spring groove 12, bullet
The one end of spring 14 away from inserted block 15 is fixedly connected with spring anchor block 20, spring anchor block 20 one end and spring away from spring 14
Groove 12 is fixedly connected, using spring anchor block 20, can play more preferable fixed effect to spring 14, is using spring 14
When working effect it is more preferable, through hole that the one end of inserted block 15 away from spring 14 is opened up close to 7 side of supporting rack through block 2 simultaneously prolongs
Extend the inside of slot 8, the bottom of inserted block 15 is simultaneously fixedly connected with sliding block 16 close to the side of spring 14, the bottom of sliding block 16 with
The position of the inner bottom wall contact of spring groove 12, the top of inserted block 15 and corresponding sliding block 16 is fixedly connected with pushing block 17, using pushing away
Motion block 17, can promote inserted block 15 to carry out one when display board 9 is fixed and move, pushing block 17 is located at the top of block 2
Front and back be fixedly connected with anti-skid rubber cushion 21, the one end of pushing block 17 away from inserted block 15 sequentially passes through spring groove 12
With bar shaped groove 13 and extend to the top of block 2.
In use, holding handle 18 with a hand, another pulls dynamic pushing block 17, and at this moment spring 14 is under pressure drive
Inserted block 15 is shunk, while firmly carrying handle 18 upwards makes display board 9 be proposed from folding and unfolding groove 3, is limited when proposing
Position plate 6 can be slided on gag lever post 5, and slot 8 is corresponded in the position of inserted block 15 when the position of oneself needs is mentioned
Put, then unclamp pushing block 17, the active force promotion inserted block 15 of spring 14 enters position of the inside to limiting plate 6 of slot 8
Put and be fixed.
In conclusion the mathematical example showing stand easy to use, simple in structure, simple operation, passes through dais 1 and folding and unfolding
Groove 3 is used cooperatively, can display board 9 without using when income to the inside of folding and unfolding groove 3, pass through spring 14 when in use
With inserted block 15 and coordinate the use of slot 8, the position of display board 9 can be fixed, use very convenient, avoid
Existing showing stand needs back and forth to carry the situation for wasting muscle power.
Also, also being used cooperatively by limiting plate 6 and gag lever post 5, needs to use or needs folding and unfolding in display board 9
When the position that it runs can be defined, avoiding when moving up and down limiting plate 6 and tilting causes display board 9 cannot
The situation continued to move to.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of mathematical example showing stand easy to use, including dais (1), it is characterised in that：The top of the dais (1) is simultaneously
Block (2) is symmetrically fixedly connected with dais (1) front vertical central axes, the top of the dais (1) is simultaneously close to block (2)
Position offers folding and unfolding groove (3), and the inner wall both sides of the folding and unfolding groove (3) offer sliding slot (4), the inner wall of two sliding slots (4)
Top is fixedly connected with inner wall bottom by gag lever post (5), and the folding and unfolding groove (3) is internally provided with limiting plate (6), described
The both ends of limiting plate (6) extend through folding and unfolding groove (3) and extend to the inside of sliding slot (4), the rear and front end of the limiting plate (6)
The surface of two gag lever posts (5) is socketed in respectively, and company is simultaneously fixed in the top of the limiting plate (6) positioned at the inside of folding and unfolding groove (3)
Be connected to supporting rack (7), the front of support frame as described above (7) offers slot (8), support frame as described above (7) away from limiting plate (6) one
End is through folding and unfolding groove (3) and the display board (9) with being set above dais (1) is fixedly connected, and the front of the display board (9) opens up
There is display slot (10), the inner bottom wall of the display slot (10) is fixedly connected with magnetic plate (11)；
The inside of two blocks (2) offers spring groove (12), and the top of two blocks (2) offers and bullet
The bar shaped groove (13) that spring groove (12) is connected, the inside of the spring groove (12) are respectively arranged with spring (14) and inserted block
(15), the spring (14) is located at the front of inserted block (15), one end of the spring (14) and the fixed company in the front of inserted block (15)
Connect, the other end of the spring (14) is fixedly connected with the inner wall of spring groove (12), the remote spring (14) of the inserted block (15)
One end runs through the through hole that block (2) is opened up close to supporting rack (7) side and extends to the inside of slot (8), the inserted block (15)
Bottom and be fixedly connected with sliding block (16) close to the side of spring (14), bottom and the spring groove (12) of the sliding block (16)
Inner bottom wall contacts, and the position of the top of the inserted block (15) and corresponding sliding block (16) is fixedly connected with pushing block (17), described to push away
The one end of motion block (17) away from inserted block (15) sequentially passes through spring groove (12) and bar shaped groove (13) and extends to the upper of block (2)
Side.
A kind of 2. mathematical example showing stand easy to use according to claim 1, it is characterised in that：The block (2)
The front surface at front surface and dais (1) be located on same vertical plane, the back surface and folding and unfolding groove (3) of the block (2) are close
The inner wall of block (2) position is located on same vertical plane.
A kind of 3. mathematical example showing stand easy to use according to claim 1, it is characterised in that：The display board
(9) top middle-end is fixedly connected with handle (18), and the front of the handle (18) offers handle groove (19).
A kind of 4. mathematical example showing stand easy to use according to claim 1, it is characterised in that：The spring (14)
One end away from inserted block (15) is fixedly connected with spring anchor block (20), the spring anchor block (20) away from spring (14) one
End is fixedly connected with spring groove (12).
A kind of 5. mathematical example showing stand easy to use according to claim 1, it is characterised in that：The pushing block
(17) front and back above block (2) has been fixedly connected with anti-skid rubber cushion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720355140.XU CN207285601U (en) | 2017-04-06 | 2017-04-06 | A kind of mathematical example showing stand easy to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720355140.XU CN207285601U (en) | 2017-04-06 | 2017-04-06 | A kind of mathematical example showing stand easy to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207285601U true CN207285601U (en) | 2018-05-01 |
Family
ID=62271027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720355140.XU Expired - Fee Related CN207285601U (en) | 2017-04-06 | 2017-04-06 | A kind of mathematical example showing stand easy to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207285601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222415A (en) * | 2018-09-13 | 2019-01-18 | 江苏天泽教育咨询有限公司 | A kind of teaching automatic lifting dais |
-
2017
- 2017-04-06 CN CN201720355140.XU patent/CN207285601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222415A (en) * | 2018-09-13 | 2019-01-18 | 江苏天泽教育咨询有限公司 | A kind of teaching automatic lifting dais |
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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: 20180501 Termination date: 20190406 |