CN211264646U - Mathematics outdoor teaching presentation device - Google Patents
Mathematics outdoor teaching presentation device Download PDFInfo
- Publication number
- CN211264646U CN211264646U CN202020252354.6U CN202020252354U CN211264646U CN 211264646 U CN211264646 U CN 211264646U CN 202020252354 U CN202020252354 U CN 202020252354U CN 211264646 U CN211264646 U CN 211264646U
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- writing board
- clipboard
- supporting leg
- main
- presentation device
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Abstract
The utility model discloses a mathematics outdoor teaching demonstration device, belonging to the technical field of teaching equipment, the lower end of a main writing board is provided with a first accommodating groove, the inner wall of the first accommodating groove is fixedly connected with a first shaft lever, the surface of the first shaft lever is rotated and sleeved with a first supporting leg, the side surface of the first supporting leg is radially inserted with a positioning pin, the back surface of the main writing board is provided with a second accommodating groove, the inner wall of the second accommodating groove is fixedly connected with a second shaft lever, the surface of the second shaft lever is rotated and sleeved with a second supporting leg, a left writing board and a right writing board arranged in the mathematics outdoor teaching demonstration device have the function of automatically fixing an unfolding position and a folding position, and a cavity arranged in the mathematics outdoor teaching demonstration device can be used for accommodating writing tools, the use convenience of the demonstration device is greatly improved, and the left writing board, the right writing board, the first supporting leg and the second supporting leg are provided with a folding function, the occupied space position of the demonstration device is reduced, and the demonstration device is convenient to move and carry.
Description
Technical Field
The utility model relates to a teaching equipment technical field, more specifically say, relate to an outdoor teaching presentation device of mathematics.
Background
In order to improve the efficiency of mathematical education, the teaching mode is more and more diversified, and outdoor teaching is more favorable to developing student's thinking ability to more be favorable to student's physical and mental health.
At present, clipboard and support that current outdoor teaching presentation device of mathematics used do not have the folding function mostly for the outdoor teaching presentation device of mathematics is bulky, when carrying out outdoor teaching, and be not portable, bring certain inconvenience for the user, and when carrying out outdoor teaching, write the apparatus and still need solitary carrying moreover, can lead to writing the articles for use and omit or lose, great reduction outdoor teaching presentation device of mathematics convenience of use.
SUMMERY OF THE UTILITY MODEL
Problem to exist among the prior art, the utility model aims to provide an outdoor teaching presentation device of mathematics, the left clipboard and the right clipboard that this outdoor teaching presentation device of mathematics set up have the function of automatic fixed expansion position and folding position, and the cavity that sets up can be used for accomodating the writing utensil moreover, great improvement presentation device's convenience of use, and the left clipboard that sets up, the right clipboard, first supporting leg and second supporting leg have the folding function, the occupation space position that has reduced presentation device, the removal of the presentation device of being convenient for is carried.
In order to solve the above problems, the utility model adopts the following technical proposal.
A mathematics outdoor teaching demonstration device comprises a main writing board, wherein a first accommodating groove is formed in the lower end of the main writing board, a first shaft lever is fixedly connected to the inner wall of the first accommodating groove, a first supporting leg is sleeved on the surface of the first shaft lever in a rotating mode, a positioning pin is radially inserted into the side face of the first supporting leg, a second accommodating groove is formed in the back face of the main writing board, a second shaft lever is fixedly connected to the inner wall of the second accommodating groove, a second supporting leg is sleeved on the surface of the second shaft lever in a rotating mode, a left writing board and a right writing board are respectively hinged to the two sides of the main writing board through hinges, a cavity is formed in the back face of the left writing board, an inserting board is inserted into the upper end of the left writing board, a limiting block is arranged at the outer end of the inserting board, the right writing board and the left writing board are identical in installation mode and component parts, and the left writing board and the right writing board arranged by the outdoor teaching demonstration device have the functions of automatically fixing and unfolding the position and, and the cavity that sets up can be used for accomodating writing appliance, great improvement presentation device's convenience of use to the left clipboard, the right clipboard, first supporting leg and the second supporting leg that set up have a folding function, have reduced presentation device's occupation space position, and the removal of the presentation device of being convenient for is carried.
Further, the lower extreme fixedly connected with block rubber of first supporting leg, the shape of block rubber is cylindrical, the material of block rubber is elasticity wear-resisting rubber, the surface of block rubber is equipped with anti-skidding line, and the block rubber of setting has skid-proof effect when first supporting leg supports, fold when taking in first taking in the inslot at first supporting leg, has the effect of fixed first supporting leg folding position.
Further, the fixed cover in surface of second supporting leg has been connected the rubber sleeve, the surface of rubber sleeve and the inner wall contact connection of groove are accomodate to the second, the external diameter of rubber sleeve is greater than the opening width that the groove was accomodate to the second, the material of rubber sleeve is elasticity wear-resisting rubber, when the rubber sleeve received the extrusion that the groove was accomodate to the second, has the effect of compression elasticity, and elasticity makes the rubber sleeve have the function of fixed second supporting leg support angle.
Further, the side of left side clipboard is fixed to be inlayed and is had first adsorption strip, the surface contact of first adsorption strip is connected with first iron sheet, another fixed surface of first iron sheet is inlayed in the side of main clipboard, and the first adsorption strip that sets up adopts magnetic material to make, has automatic adsorbed function, the expansion position of fixed left clipboard that can be quick.
Further, the fixed back of left side clipboard is inlayed and is had the second and adsorb the strip, the shape that the second adsorbs the strip is the bar, the second adsorbs the strip and adopts magnetic material to make, and the second that sets up adsorbs the strip and folds when the back of main clipboard at left clipboard, has the function of automatic absorption second iron sheet, the folding position of fixed left clipboard that can be quick.
Further, the back fixedly connected with second iron sheet of main clipboard, the shape of second iron sheet is the bar, the second iron sheet is in the coplanar with the axis of main clipboard, and the second iron sheet that sets up is convenient for the quick fixed folding position of left clipboard and right clipboard, has improved presentation device's convenience of use.
Furthermore, the upper end of the main writing board is fixedly connected with a handle, the surface of the handle is provided with an anti-skidding sleeve, and the handle is convenient for a user to grasp and carry the demonstration device with hands, so that the demonstration device is convenient to carry.
Compared with the prior art, the utility model has the advantages of:
(1) the left clipboard and the right clipboard that this scheme set up have the function of automatic fixed expansion position and folding position, and the cavity that sets up moreover can be used for accomodating writing utensil, great improvement presentation device's convenience of use to the left clipboard, the right clipboard, first supporting leg and the second supporting leg that set up have a folding function, have reduced presentation device's occupation space position, and the presentation device's of being convenient for removal is carried.
(2) The lower extreme fixedly connected with block rubber of first supporting leg, the shape of block rubber is cylindrical, and the material of block rubber is elasticity wear-resisting rubber, and the surface of block rubber is equipped with anti-skidding line, and the block rubber of setting has skid-proof effect when first supporting leg supports, when first supporting leg is folding to be taken in first accomodating the inslot, has the effect of fixed first supporting leg folding position.
(3) The fixed cover in surface of second supporting leg has been connect the rubber sleeve, and the surface of rubber sleeve is connected with the inner wall contact that the groove was accomodate to the second, and the external diameter of rubber sleeve is greater than the opening width that the groove was accomodate to the second, and the material of rubber sleeve is elasticity wear-resisting rubber, and when the rubber sleeve received the extrusion that the groove was accomodate to the second, had the effect of compression elasticity, elasticity makes the rubber sleeve have the function of fixed second supporting leg support angle.
(4) The side of left clipboard is fixed to be inlayed and is had first adsorption strip, and the surface contact of first adsorption strip is connected with first iron sheet, and another fixed surface of first iron sheet is inlayed in the side of main clipboard, and the first adsorption strip that sets up adopts magnetic material to make, has automatic absorbent function, the expansion position of fixed left clipboard that can be quick.
(5) The fixed back of left clipboard is inlayed and is had the second and adsorb the strip, and the second adsorbs the shape of strip and be the bar, and the second that the second adsorbs the strip and adopts magnetic material to make, and the second that sets up adsorbs the strip and folds when the back of main clipboard at left clipboard, has the function of automatic absorption second iron sheet, the folding position of fixed left clipboard that can be quick.
(6) The back fixedly connected with second iron sheet of main clipboard, the shape of second iron sheet is the bar, and the second iron sheet is in the coplanar with the axis of main clipboard, and the second iron sheet that sets up is convenient for the quick fixed folding position of left clipboard and right clipboard, has improved presentation device's convenience of use.
(7) The upper end fixedly connected with handle of main clipboard, the surface of handle is equipped with the antiskid cover, and the handle of setting is convenient for the user to grasp and carry presentation device with the hand, the carrying of presentation device of being convenient for.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a top view of the mounting structure of the left writing board and the main writing board of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a side view of the main writing board and first support leg mounting structure of the present invention;
fig. 5 is a rear view of the main writing board and the second supporting leg mounting structure of the present invention.
The reference numbers in the figures illustrate:
the multifunctional pen holder comprises a main writing board 1, a first accommodating groove 11, a first shaft rod 12, a positioning pin 13, a second accommodating groove 14, a second shaft rod 15, a first iron sheet 16, a second iron sheet 17, a handle 18, a first supporting leg 2, a rubber block 21, a second supporting leg 3, a rubber sleeve 31, a hinge 4, a left writing board 5, a first adsorption strip 51, a second adsorption strip 52, a cavity 53, an inserting plate 54 and a right writing board 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a mathematical outdoor teaching demonstration device comprises a main writing board 1, referring to fig. 1-5, a first accommodating groove 11 is opened at the lower end of the main writing board 1, the first accommodating groove 11 is used for accommodating a first supporting leg 2, a first shaft rod 12 is fixedly connected to the inner wall of the first accommodating groove 11, the first supporting leg 2 is rotatably sleeved on the surface of the first shaft rod 12, the first shaft rod 12 enables the first supporting leg 2 to have the function of rotating up and down, the first supporting leg 2 is used for supporting the lower end of the demonstration device, the number of the first supporting legs 2 is two, the two first supporting legs are respectively fixed at two ends of the first accommodating groove 11, the first supporting legs can be simultaneously folded into the first accommodating groove 11 and accommodated into the first accommodating groove 11, the first supporting legs 2 have the function of adjusting the length in a telescopic manner, which belongs to the prior art, when the first supporting legs 2 are retracted to the minimum length, the length is less than half of the length of the first accommodating groove 11, the side surface of the first supporting leg 2 is radially inserted with a positioning pin 13, the positioning pin 13 is used for fixing the supporting position of the first supporting leg 2, the positioning pin 13 can be manually assembled and disassembled, the back surface of the main writing board 1 is provided with a second accommodating groove 14, the second accommodating groove 14 is used for accommodating a second supporting leg 3, the inner wall of the second accommodating groove 14 is fixedly connected with a second shaft lever 15, the surface of the second shaft lever 15 is rotatably sleeved with the second supporting leg 3, the second shaft lever 15 enables the second supporting leg 3 to have the function of up-and-down rotation, the second supporting leg 3 is used for supporting the back surface of the demonstration device, an included angle ranging from thirty degrees to forty-five degrees is formed between the second supporting leg 3 and the main writing board 1 and used for fixing the placing firmness of the demonstration device, the number of the second supporting legs 3 is two, the second supporting legs 3 have the same structure as the first supporting leg 2, when the second supporting leg 3 is contracted to, the length of the second supporting leg 3 is less than that of the second accommodating groove 14, the two sides of the main writing board 1 are respectively hinged with the left writing board 5 and the right writing board 6 through the hinges 4, the left writing board 5 and the right writing board 6 have the folding function, the total area of the left writing board 5 and the right writing board 6 is the same as that of the main writing board 1, the left writing board 5, the right writing board 6 and the main writing board 1 are used for writing teaching contents, when writing is carried out on the left writing board 5 and the right writing board 6, the left writing board 5 and the right writing board 6 need to be held by hands to prevent the left writing board 5 and the right writing board 6 from rotating and folding, the back of the left writing board 5 is provided with a cavity 53, the cavity 53 is used for accommodating writing instruments, the upper end of the left writing board 5 is inserted with an inserting plate 54, the inserting plate 54 is made of wear-resistant engineering plastics and is used for closing and opening the cavity 53, and the connecting mode belongs, as is well known to those skilled in the art and will not be described in detail herein, the outer end of the insertion plate 54 is provided with a stopper, and the right writing board 6 and the left writing board 5 are mounted in the same manner and with the same components.
Referring to fig. 1 and 5, the lower end of the first support leg 2 is fixedly connected with a rubber block 21, the rubber block 21 is cylindrical, the rubber block 21 is made of elastic wear-resistant rubber, the surface of the rubber block 21 is provided with anti-skid lines, the rubber block 21 has an anti-skid function when being supported by the first support leg 2, when the first supporting leg 2 is folded and retracted into the first accommodating groove 11, the folding position of the first supporting leg 2 is fixed, the surface of the second supporting leg 3 is fixedly sleeved with a rubber sleeve 31, the surface of the rubber sleeve 31 is in contact connection with the inner wall of the second accommodating groove 14, the outer diameter of the rubber sleeve 31 is larger than the opening width of the second accommodating groove 14, the rubber sleeve 31 is made of elastic wear-resistant rubber, when the rubber sleeve 31 is pressed by the second accommodating groove 14, it has a compressive elastic force, and the elastic force makes the rubber sleeve 31 have a function of fixing the supporting angle of the second supporting leg 3.
Please refer to fig. 2 and 3, the side of the left writing board 5 is fixedly inlaid with a first absorption strip 51, the surface contact of the first absorption strip 51 is connected with a first iron sheet 16, another surface of the first iron sheet 16 is fixedly inlaid in the side of the main writing board 1, the set first absorption strip 51 is made of magnetic material, which has the function of automatic absorption, the unfolding position of the left writing board 5 can be quickly fixed, the back of the left writing board 5 is fixedly inlaid with a second absorption strip 52, the shape of the second absorption strip 52 is bar-shaped, the second absorption strip 52 is made of magnetic material, the second absorption strip 52 is arranged at the back of the left writing board 5 which is folded in the main writing board 1, which has the function of automatically absorbing the second iron sheet 17, and can quickly fix the folding position of the left writing board 5.
Please refer to fig. 5, the back fixedly connected with second iron sheet 17 of main clipboard 1, the shape of second iron sheet 17 is the bar, second iron sheet 17 is in the coplanar with the axis of main clipboard 1, the second iron sheet 17 that sets up is convenient for the quick fixed folding position of left clipboard 5 and right clipboard 6, presentation device's convenience of use has been improved, the upper end fixedly connected with handle 18 of main clipboard 1, the surface of handle 18 is equipped with anti-skidding cover, the handle 18 person of facilitating the use who sets up grasps and carries presentation device with the hand, the carrying of presentation device of being convenient for.
When the demonstration device for mathematics outdoor teaching needs to be folded and carried, the first supporting leg 2 and the second supporting leg 3 are respectively folded and accommodated in the first accommodating groove 11 and the second accommodating groove 14, then the inserting plate 54 is moved upwards to open the cavity 53, then a writing tool is placed in the cavity 53, then the inserting plate 54 is inserted downwards to tightly close the cavity 53, the arranged cavity 53 can be used for accommodating the writing tool, the use convenience of the demonstration device is greatly improved, then the left writing plate 5 is rotated clockwise rightwards, the left writing plate 5 is rotated clockwise rightwards to separate the first adsorption strip 51 from the first iron sheet 17, when the back surface of the left writing plate 5 is contacted with the back surface of the main writing plate 1, the second adsorption strip 52 is fixed on the surface of the second iron sheet 17 through magnetic adsorption, thereby the folding position of the left writing plate 5 is fixed, then the right writing plate 6 is rotated anticlockwise leftwards, the right writing board 6 is the same folding back of fixing at main writing board 1 with left writing board 5, then can grasp handle 18 and carry the presentation device and remove, the left writing board 5 and the right writing board 6 that set up have the function of automatic fixed expansion position and folding position, and left writing board 5, right writing board 6, first supporting leg 2 and second supporting leg 3 have the folding function, the occupation space position that has reduced the presentation device, the removal of the presentation device of being convenient for is carried.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides an outdoor teaching presentation device of mathematics, includes main clipboard (1), its characterized in that: the lower extreme of main clipboard (1) is opened and is had first groove (11) of accomodating, the first axostylus axostyle (12) of the inner wall fixedly connected with of first groove (11) is accomodate to the first, the surface of first axostylus axostyle (12) is rotated and has been cup jointed first supporting leg (2), the side of first supporting leg (2) is radially pegged graft and is had locating pin (13), the back of main clipboard (1) is opened and is had second groove (14) of accomodating, the inner wall fixedly connected with second axostylus axostyle (15) of second groove (14) is accomodate to the second, the surface of second axostylus axostyle (15) is rotated and has been cup jointed second supporting leg (3), the both sides of main clipboard (1) are articulated respectively through hinge (4) have left clipboard (5) and right clipboard (6), the back of left side clipboard (5) is opened has cavity (53), the upper end grafting of left side clipboard (, the right writing board (6) and the left writing board (5) are mounted in the same way and have the same components.
2. A mathematical outdoor teaching demonstration apparatus according to claim 1 further comprising: the lower extreme fixedly connected with block rubber (21) of first supporting leg (2), the shape of block rubber (21) is cylindrical, the material of block rubber (21) is elasticity wear-resisting rubber, the surface of block rubber (21) is equipped with anti-skidding line.
3. A mathematical outdoor teaching demonstration apparatus according to claim 2 wherein: the fixed surface of second supporting leg (3) has cup jointed rubber sleeve (31), the surface and the inner wall contact connection of groove (14) are accomodate to the second of rubber sleeve (31), the external diameter of rubber sleeve (31) is greater than the opening width that groove (14) were accomodate to the second, the material of rubber sleeve (31) is elasticity wear-resisting rubber.
4. A mathematical outdoor teaching demonstration apparatus according to claim 3 wherein: the side of the left writing board (5) is fixedly embedded with a first adsorption strip (51), the surface of the first adsorption strip (51) is connected with a first iron sheet (16) in a contact mode, and the other surface of the first iron sheet (16) is fixedly embedded in the side of the main writing board (1).
5. The outdoor mathematical education presentation device of claim 4 wherein: the back of left side clipboard (5) is fixed to inlay has second adsorption strip (52), the shape of second adsorption strip (52) is the bar, second adsorption strip (52) adopt magnetic material to make.
6. The outdoor mathematical education presentation device of claim 5 wherein: the back fixedly connected with second iron sheet (17) of main clipboard (1), the shape of second iron sheet (17) is the bar, second iron sheet (17) are in the coplanar with the axis of main clipboard (1).
7. The outdoor mathematical education presentation device of claim 6 wherein: the upper end of the main writing board (1) is fixedly connected with a handle (18), and the surface of the handle (18) is provided with an anti-slip sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020252354.6U CN211264646U (en) | 2020-03-04 | 2020-03-04 | Mathematics outdoor teaching presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020252354.6U CN211264646U (en) | 2020-03-04 | 2020-03-04 | Mathematics outdoor teaching presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211264646U true CN211264646U (en) | 2020-08-14 |
Family
ID=71959116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020252354.6U Expired - Fee Related CN211264646U (en) | 2020-03-04 | 2020-03-04 | Mathematics outdoor teaching presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211264646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192973A (en) * | 2020-10-12 | 2021-01-08 | 贵州工程应用技术学院 | Multifunctional mathematics teaching board |
-
2020
- 2020-03-04 CN CN202020252354.6U patent/CN211264646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192973A (en) * | 2020-10-12 | 2021-01-08 | 贵州工程应用技术学院 | Multifunctional mathematics teaching board |
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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: 20200814 Termination date: 20210304 |