CN208085327U - A kind of multi-functional primary school mathematics teaching ruler - Google Patents
A kind of multi-functional primary school mathematics teaching ruler Download PDFInfo
- Publication number
- CN208085327U CN208085327U CN201820359938.6U CN201820359938U CN208085327U CN 208085327 U CN208085327 U CN 208085327U CN 201820359938 U CN201820359938 U CN 201820359938U CN 208085327 U CN208085327 U CN 208085327U
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- ruler
- threaded
- fixedly connected
- hollow
- primary school
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Abstract
The utility model is related to teaching aid technical fields, and disclose a kind of multi-functional primary school mathematics teaching ruler, including inner hollow ruler, the inner roof wall of the hollow ruler offers sliding slot with inner bottom wall, it is connected with sliding block in two sliding slots, two sliding blocks are fixedly connected with partition board between opposite one end, it is fixedly connected with ruler on the right side of the partition board, the top of the hollow ruler and the right for being located at corresponding sliding slot, which are interted, is provided with the first threaded, and hinge is fixedly connected on the downside of the hollow ruler.Chalk is folded up between chalk support plate and fixed plate, rotate the second screw pin, the friction pad that the bottom end of the second threaded is fixedly connected is set to compress chalk, rotary threaded column, threaded post along threaded rod move to bottom plate to sucker distance and hollow ruler away from it is equal at a distance from chalk when, stop motion, by sucker tightly on blackboard, rotary hollow ruler, to achieve the purpose that the stable and accurate circle for drawing different radii.
Description
Technical field
The utility model is related to teaching aid technical field, specially a kind of multi-functional primary school mathematics teaching ruler.
Background technology
Mathematics is a subject for studying the concepts such as quantity, structure, variation, space and information, is belonged in terms of certain angle
In one kind of formal science, and in development of human history and social life, mathematics also plays irreplaceable role, and
Study and the research essential basic tool of modern science and technology.
With the development and progress of society and the popularization of education, mathematical education spread to each level of society, because
This primary school mathematics teaching ruler, is more particularly important, and existing teaching ruler has scale accurate, handsome in appearance, hard on the market
Though the advantages that durable, have the shortcomings that it is simple in structure, have a single function, the scope of application it is small, the picture for being unable to accurate stable is different
The angle of angle and the circle of different radii, so a kind of multi-functional primary school mathematics teaching ruler is proposed to solve the above problems.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of multi-functional primary school mathematics teaching ruler, has practicality
The advantage at the angle of wide, energy accurate stable the picture different angle of range and the circle of different radii, solves the small disadvantage of the scope of application,
It is unable to the problem at the angle of the picture different angle of accurate stable and the circle of different radii.
(2) technical solution
To realize the purpose at the angle of wide, energy accurate stable the picture different angle of above-mentioned usage range and the circle of different radii,
The utility model provides the following technical solutions：A kind of multi-functional primary school mathematics teaching ruler, including inner hollow ruler, it is described hollow
The inner roof wall of ruler offers sliding slot with inner bottom wall, and sliding block, two sliding blocks are connected in two sliding slots
It is fixedly connected with partition board between opposite one end, ruler, the top of the hollow ruler are fixedly connected on the right side of the partition board
And intert positioned at the right of corresponding sliding slot and be provided with the first threaded, hinge is fixedly connected on the downside of the hollow ruler,
Bottom plate is fixedly connected under the hinge on the downside of impeller, the bottom of the hollow ruler and the right for being located at hinge, which are fixed, to be connected
It is connected to vertical bar, the outer surface of the vertical bar offers one group of location hole being spaced substantially equidistant, is fixedly connected on the downside of the bottom plate
There is positioning plate, the inside of the location hole is interspersed to be provided with positioning pin, and the right end of the bottom plate is fixedly connected with threaded rod, described
The right end of threaded rod is arranged with threaded post, and the right end of the threaded post is fixedly connected with riser, and the right side of the riser, which is fixed, to be connected
It is connected to bearing, the inside of the bearing is fixedly connected with cross bar, and the right end of the cross bar is fixedly connected with sucker, the ruler
Right end is fixedly connected with chalk support plate, the right end of the ruler and is fixedly connected with fixed plate below chalk support plate,
Intert in the fixed plate and is provided with the second threaded.
Preferably, the outer surface of the hollow ruler and ruler is both provided with scale.
Preferably, the inside of hollow ruler, first threaded are run through and extended in the bottom end of first threaded
Threaded hole is offered with the junction of hollow ruler.
Preferably, the quantity of the location hole is not less than 3.
Preferably, the threaded rod is threadedly coupled with threaded post, and the sum of length of the threaded post and threaded rod, which is more than, to be slided
The length of slot.
Preferably, the bottom end of first threaded is fixedly connected with rubber pad, and the bottom end of second threaded is fixed
It is connected with friction pad.
Preferably, second threaded runs through and extends to the top of fixed plate, second threaded and fixed plate
Junction offer threaded hole, the length of second threaded is less than the distance between fixed plate and chalk support plate.
(3) advantageous effect
Compared with prior art, the utility model provides a kind of multi-functional primary school mathematics teaching ruler, has following beneficial
Effect：
1, multi-functional primary school mathematics teaching ruler, by the way that hollow ruler, sliding slot, sliding block, partition board, ruler and the first spiral shell is arranged
Being used in conjunction with each other between line pin, ruler and partition board are flexibly connected by sliding block and sliding slot with hollow ruler, are sent out when using
When the length of raw hollow ruler is inadequate, ruler is pulled, when ruler is adjusted to required length, the first threaded is rotated, when first
It when the rubber pad that the bottom end of threaded is fixedly connected compresses ruler, stops rotating, expands teaching ruler use scope to reach
Purpose.
2, multi-functional primary school mathematics teaching ruler, by the way that hollow ruler, hinge, bottom plate, vertical bar, location hole, positioning is arranged
Being used in conjunction with each other between plate and positioning pin, when in use, user of service one hold bottom plate, and one holds hollow ruler, passes through
Hinge regulates the angle between hollow ruler and bottom plate, and positioning pin is inserted by positioning plate in location hole, pen edge is then used
The profile for teaching ruler draws required angle, to achieve the purpose that the stable and accurate angle for drawing different angle.
3, multi-functional primary school mathematics teaching ruler, by the way that hollow ruler, hinge, bottom, vertical bar, location hole, positioning is arranged
Between plate, positioning pin, threaded post, riser, bearing, cross bar, sucker, chalk support plate, fixed plate, threaded rod and the second threaded
It is used in conjunction with each other, when in use, user of service one holds bottom plate, and one holds hollow ruler, by hinge, regulates hollow straight
Positioning pin is inserted by positioning plate in location hole, is folded up between chalk support plate and fixed plate by the angle between ruler and bottom plate
Chalk rotates the second screw pin, and the friction pad that the bottom end of the second threaded is fixedly connected is made to compress chalk, rotary threaded column, spiral shell
Line column along threaded rod move to bottom plate to sucker distance and hollow ruler away from it is equal at a distance from chalk when, stop motion will
Sucker is tightly on blackboard, rotary hollow ruler, to achieve the purpose that the stable and accurate circle for drawing different radii.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the schematic enlarged-scale view of A in the utility model Fig. 1；
Fig. 3 is the schematic enlarged-scale view of B in the utility model Fig. 1.
In figure：1 hollow ruler, 2 sliding slots, 3 sliding blocks, 4 partition boards, 5 rulers, 6 first threadeds, 7 hinges, 8 bottom plates, 9 vertical bars,
10 location holes, 11 positioning plates, 12 positioning pins, 13 threaded posts, 14 risers, 15 bearings, 16 cross bars, 17 suckers, 18 chalk support plates, 19
Fixed plate, 20 second threadeds, 21 threaded rods.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, a kind of multi-functional primary school mathematics teaching ruler, including inner hollow ruler 1, hollow ruler 1 it is interior
Roof and inner bottom wall offer sliding slot 2, are connected with sliding block 3 in two sliding slots 2, the opposite one end of two sliding blocks 3 it
Between be fixedly connected with partition board 4, the right side of partition board 4 is fixedly connected with ruler 5, and hollow ruler 1 and the outer surface of ruler 5 are both provided with
Scale, the top of hollow ruler 1 and the right for being located at corresponding sliding slot 2, which are interted, is provided with the first threaded 6, the first threaded 6
Bottom end be fixedly connected with rubber pad, the inside of hollow ruler 1, the first screw thread are run through and extended in the bottom end of the first threaded 6
Pin 6 and the junction of hollow ruler 1 offer threaded hole, and the downside of hollow ruler 1 is fixedly connected with hinge 7,7 times impeller of hinge
Downside be fixedly connected with bottom plate 8, the bottom of hollow ruler 1 and be fixedly connected with vertical bar 9, vertical bar 9 positioned at the right of hinge 7
Outer surface offer one group of location hole being spaced substantially equidistant 10, the quantity of location hole 10 is not less than 3, and the downside of bottom plate 8 is solid
Surely it is connected with positioning plate 11, the inside of location hole 10 is interspersed to be provided with positioning pin 12, and the right end of bottom plate 8 is fixedly connected with threaded rod
21, threaded rod 21 is threadedly coupled with threaded post 13, and the right end of threaded rod 21 is arranged with threaded post 13, threaded post 13 and threaded rod 21
The sum of length be more than the length of sliding slot 2, the right end of threaded post 13 is fixedly connected with riser 14, and the right side of riser 14 is fixedly connected
There are bearing 15, the inside of bearing 15 to be fixedly connected with cross bar 16, the right end of cross bar 16 is fixedly connected with sucker 17, the right side of ruler 5
End is fixedly connected with chalk support plate 18, the right end of ruler 5 and is fixedly connected with fixed plate 19 positioned at the lower section of chalk support plate 18,
Intert in fixed plate 19 and be provided with the second threaded 20, the bottom end of the second threaded 20 is fixedly connected with friction pad, the second screw thread
Pin 20 runs through and extends to the top of fixed plate 19, and the second threaded 20 and the junction of fixed plate 19 offer threaded hole, the
The length of two threadeds 20 is less than the distance between fixed plate 19 and chalk support plate 18.
In conclusion the multi-functional primary school mathematics teaching ruler, by be arranged hollow ruler 1, sliding slot 2, sliding block 3, partition board 4,
Being used in conjunction with each other between ruler 5 and the first threaded 6, ruler 5 and partition board 4 pass through sliding block 3 and sliding slot 2 and hollow ruler 1
Flexible connection, when use when occur hollow ruler 1 length it is inadequate when, pull ruler 5, by ruler 5 adjust to required length when,
The first threaded 6 is rotated, when the rubber pad that the bottom end of the first threaded 6 is fixedly connected compresses ruler 5, is stopped rotating, to
Achieve the purpose that expand teaching ruler use scope.
Also, multi-functional primary school mathematics teaching ruler, by the way that hollow ruler 1, hinge 7, bottom plate 8, vertical bar 9, positioning is arranged
Being used in conjunction with each other between hole 10, positioning plate 11 and positioning pin 12, when in use, user of service one hold bottom plate 8, and one is hand-held
Hollow ruler 1 regulates the angle between hollow ruler 1 and bottom plate 8 by hinge 7, and positioning pin 12 is inserted by positioning plate 11
Enter in location hole 10, then draw required angle along the profile of teaching ruler with pen, difference is drawn to reach stable and accurate
The purpose at the angle of angle.
Also, multi-functional primary school mathematics teaching ruler, by the way that hollow ruler 1, hinge 7, bottom 8, vertical bar 9, positioning is arranged
Hole 10, positioning plate 11, positioning pin 12, threaded post 13, riser 14, bearing 15, cross bar 16, sucker 17, chalk support plate 18, fixed plate
19, being used in conjunction with each other between threaded rod 21 and the second threaded 20, when in use, user of service one hold bottom plate 8, on the other hand
Hollow ruler 1 is held, by hinge 7, regulates the angle between hollow ruler 1 and bottom plate 8, positioning pin 12 is passed through into positioning plate 11
It is inserted into location hole 10, chalk is folded up between chalk support plate 18 and fixed plate 19, rotate the second screw pin 20, make the second screw thread
The friction pad that the bottom end of pin 20 is fixedly connected compresses chalk, rotary threaded column 13, and threaded post 13 moves to bottom along threaded rod 21
Plate 8 to sucker distance and hollow ruler 1 away from it is equal at a distance from chalk when, stop motion, by sucker 17 tightly on blackboard, rotation
Hollow ruler 1, to achieve the purpose that the stable and accurate circle for drawing different radii.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of multi-functional primary school mathematics teaching ruler, including inner hollow ruler (1), it is characterised in that：The hollow ruler (1)
Inner roof wall and inner bottom wall offer sliding slot (2), sliding block (3) is connected in two sliding slots (2), described in two
It is fixedly connected with partition board (4) between the opposite one end of sliding block (3), ruler (5), institute are fixedly connected on the right side of the partition board (4)
It states the top of hollow ruler (1) and interts positioned at the right of corresponding sliding slot (2) and be provided with the first threaded (6), it is described hollow
It is fixedly connected with hinge (7) on the downside of ruler (1), bottom plate (8) is fixedly connected on the downside of impeller under the hinge (7), it is described
The bottom of hollow ruler (1) and it is fixedly connected with vertical bar (9) positioned at the right of hinge (7), the outer surface of the vertical bar (9) is opened
Equipped with one group of location hole being spaced substantially equidistant (10), positioning plate (11), the positioning are fixedly connected on the downside of the bottom plate (8)
The inside in hole (10) is interspersed to be provided with positioning pin (12), and the right end of the bottom plate (8) is fixedly connected with threaded rod (21), the spiral shell
The right end of rasp bar (21) is arranged with threaded post (13), and the right end of the threaded post (13) is fixedly connected with riser (14), described perpendicular
Bearing (15) is fixedly connected on the right side of plate (14), the inside of the bearing (15) is fixedly connected with cross bar (16), the cross bar
(16) right end is fixedly connected with sucker (17), and the right end of the ruler (5) is fixedly connected with chalk support plate (18), the ruler
(5) right end and it is fixedly connected with fixed plate (19) below chalk support plate (18), interts in the fixed plate (19)
It is provided with the second threaded (20).
2. a kind of multi-functional primary school mathematics teaching ruler according to claim 1, it is characterised in that：The hollow ruler (1)
It is both provided with scale with the outer surface of ruler (5).
3. a kind of multi-functional primary school mathematics teaching ruler according to claim 1, it is characterised in that：First threaded
(6) inside of hollow ruler (1), the junction of first threaded (6) and hollow ruler (1) are run through and extended in bottom end
Offer threaded hole.
4. a kind of multi-functional primary school mathematics teaching ruler according to claim 1, it is characterised in that：The location hole (10)
Quantity is not less than 3.
5. a kind of multi-functional primary school mathematics teaching ruler according to claim 1, it is characterised in that：The threaded rod (21) with
Threaded post (13) is threadedly coupled, and the sum of the threaded post (13) and the length of threaded rod (21) are more than the length of sliding slot (2).
6. a kind of multi-functional primary school mathematics teaching ruler according to claim 1, it is characterised in that：First threaded
(6) bottom end is fixedly connected with rubber pad, and the bottom end of second threaded (20) is fixedly connected with friction pad.
7. a kind of multi-functional primary school mathematics teaching ruler according to claim 1, it is characterised in that：Second threaded
(20) run through and extend to the top of fixed plate (19), second threaded (20) and the junction of fixed plate (19) offer
The length of threaded hole, second threaded (20) is less than the distance between fixed plate (19) and chalk support plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820359938.6U CN208085327U (en) | 2018-03-16 | 2018-03-16 | A kind of multi-functional primary school mathematics teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820359938.6U CN208085327U (en) | 2018-03-16 | 2018-03-16 | A kind of multi-functional primary school mathematics teaching ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208085327U true CN208085327U (en) | 2018-11-13 |
Family
ID=64059306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820359938.6U Expired - Fee Related CN208085327U (en) | 2018-03-16 | 2018-03-16 | A kind of multi-functional primary school mathematics teaching ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208085327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816128A (en) * | 2019-11-20 | 2020-02-21 | 韩登利 | Special drawing device of higher mathematics |
-
2018
- 2018-03-16 CN CN201820359938.6U patent/CN208085327U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816128A (en) * | 2019-11-20 | 2020-02-21 | 韩登利 | Special drawing device of higher mathematics |
| CN110816128B (en) * | 2019-11-20 | 2023-08-04 | 莱芜职业技术学院 | Drawing device special for higher mathematics |
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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: 20181113 Termination date: 20190316 |