CN209351141U - A kind of economics pattern drawing apparatus - Google Patents
A kind of economics pattern drawing apparatus Download PDFInfo
- Publication number
- CN209351141U CN209351141U CN201822194733.XU CN201822194733U CN209351141U CN 209351141 U CN209351141 U CN 209351141U CN 201822194733 U CN201822194733 U CN 201822194733U CN 209351141 U CN209351141 U CN 209351141U
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- China
- Prior art keywords
- ruler
- screw rod
- economics
- column spinner
- installation axle
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Abstract
The utility model discloses a kind of economics pattern drawing apparatus, belong to Teaching of Economics equipment technical field, including ruler, rotation ruler is rotatably connected on the ruler, the top of the rotation ruler is connected with column spinner, the center of the bottom of the column spinner is fixedly installed with screw rod, the screw rod and column spinner are integrally formed, the upper surface of the rotation ruler is recessed with the sliding slot of matching screw rod, the screw rod is plugged in sliding slot, the screw rod is threadedly coupled with sliding slot, the top of the column spinner is fixedly installed with inserted block, the inserted block is recessed with slot close to the side of ruler, chalk is inserted in the slot.The utility model solves existing economics pattern drawing apparatus inconvenient problem with use when drawing cake chart, has the advantages that structure is simple and convenient to operate and maintenance cost is low.
Description
Technical field
It is drawn and is filled with figure the utility model relates to Teaching of Economics equipment technical field more particularly to a kind of economics
It sets.
Background technique
Economics is a modern separate science, is the subject about law of economic development.It imparts knowledge to students in Economics Courses
When, teacher needs to explain the corresponding relationship between each ratio with drawing with coloured chalk pie chart or histogram on blackboard.
For existing economics pattern drawing apparatus when drawing cake chart, the circle drawn can not pair radius as needed
It is adjusted, leads to inconvenient problem with use, therefore need to design a kind of economics pattern drawing apparatus.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, such as: existing economics figure
When drawing cake chart, the circle drawn pair radius can not be adjusted plotting unit as needed, be caused inconvenient to use
Problem.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of economics pattern drawing apparatus, including ruler are rotatably connected to rotation ruler, the rotation on the ruler
The top of ruler is connected with column spinner, and the center of the bottom of the column spinner is fixedly installed with screw rod, the screw rod and rotation
Column is integrally formed, and the upper surface of the rotation ruler is recessed with the sliding slot of matching screw rod, and the screw rod is plugged in sliding slot, the spiral shell
Bar is threadedly coupled with sliding slot, and the top of the column spinner is fixedly installed with inserted block, and the inserted block is recessed with close to the side of ruler
Slot is inserted with chalk in the slot.
Preferably, the center in the sliding slot is fixedly installed with nut, vertically offers on the nut for spiral shell
The tapped through hole of line connecting screw.
Preferably, it is fixedly installed with installation axle on the ruler, offers on the rotation ruler for being socketed installation axle
Opening.
Preferably, one end of the installation axle is fixedly installed with cushion block through ruler, the cushion block far from installation axle one
Side is plane, and is provided with anti-skid chequer in the plane.
Preferably, the installation axle is connected with rotary limited block through the threaded one end of opening, and the rotary limited block leans on
The side of nearly installation axle is provided with tapped blind hole, internal screw thread is provided on the tapped blind hole inner wall, the installation axle is close to limit
One end of position spill spin block is provided with the external screw thread of matching internal screw thread.
Preferably, the column spinner is cylindrical body, and the screw rod is arranged at the center location of column spinner bottom surface.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model passes through ruler, installation axle, opening, the cooperation for rotating ruler, column spinner, screw rod, sliding slot and nut,
So that economics can according to need the circle for drawing different radii with pattern drawing apparatus, there is spy easy to operate easy to use
Point；
2, the utility model is threadedly coupled on the mounting shaft by rotary limited block, can be convenient rotary limited block from peace
It is screwed out on dress axis, is skidded off from installation axle so as to which ruler will be rotated, facilitate the dismantling of whole device, so as to damage
It is replaced afterwards for damage position, is conducive to save the cost.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of positive apparent direction of economics pattern drawing apparatus cross section structure signal
Figure；
Fig. 2 be the utility model proposes a kind of economics pattern drawing apparatus overlook structural schematic diagram.
In figure: 1 ruler, 2 rotation rulers, 3 column spinners, 4 inserted blocks, 5 installation axles, 6 openings, 7 sliding slots, 8 nuts, 9 screw rods, 10 powder
Pen, 11 cushion blocks, 12 rotary limited blocks.
Specific embodiment
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.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of economics pattern drawing apparatus, including ruler 1 are rotatably connected to rotation ruler on ruler 1
2, the top of rotation ruler 2 is connected with column spinner 3, and the center of the bottom of column spinner 3 is fixedly installed with screw rod 9, screw rod 9 and rotation
Rotary column 3 is integrally formed, and the upper surface of rotation ruler 2 is recessed with the sliding slot 7 of matching screw rod 9, and screw rod 9 is plugged in sliding slot 7, screw rod 9
It being threadedly coupled with sliding slot 7, the top of column spinner 3 is fixedly installed with inserted block 4, and inserted block 4 is recessed with slot close to the side of ruler 1,
Chalk 10 is inserted in slot；
It should be noted that chalk 10 is seated in the slot on inserted block 4, and is offseted with blackboard, rotation ruler 2 can be opposite
Ruler 1 rotates, and column spinner 3 is threadedly coupled by screw rod 9 with rotation ruler 2, thus by by the screw-in sliding slot 7 of screw rod 9 or by spiral shell
Bar 9 screws out sliding slot 7 and adjusts spacing of the inserted block 4 at axle center, (needs to infuse so as to adjust the radius for the circle that chalk 10 is drawn
Meaning, the chalk 10 needed to turn on inserted block 4 are directed toward the side of blackboard), when carrying out picture circle operation, ruler is pressed with hand
1 offsets with blackboard, and then another hand holds column spinner 3 and column spinner 3 and rotation ruler 2 is driven to be rotated relative to ruler 1, i.e.,
Achievable picture circle；
Wherein, the center in sliding slot 7 is fixedly installed with nut 8, vertically offers on nut 8 for being threadedly coupled spiral shell
The tapped through hole of bar 9；
It should be noted that screw rod 9 is threadedly coupled with nut 8, and nut 8 is fixedly connected with the inner wall of sliding slot 7, therefore
Realize the threaded connection of screw rod 9 and sliding slot 7, and screw rod 9 can rotate in sliding slot 7, can also slide up and down in sliding slot 7；
Wherein, it is fixedly installed with installation axle 5 on ruler 1, rotates the opening 6 offered on ruler 2 for being socketed installation axle 5；
It should be noted that rotation ruler 2 is located at the side of ruler 1, rotation ruler 2 is set to be socketed in installation axle 5 by opening 6
On, rotation ruler 2 can be axis rotation with installation axle 5, so as to draw circle；
Wherein, one end of installation axle 5 is fixedly installed with cushion block 11 through ruler 1, and side of the cushion block 11 far from installation axle 5 is
Plane, and anti-skid chequer is provided in plane；
It should be noted that the design of 11 plane of cushion block, can be convenient entire plotting unit and offsets with blackboard, by anti-skidding
Line can be to avoid the sliding of cushion block 11；
Wherein, installation axle 5 is connected with rotary limited block 12 through the threaded one end of opening 6, and rotary limited block 12 is close to peace
The side of dress axis 5 is provided with tapped blind hole, internal screw thread is provided on tapped blind hole inner wall, installation axle 5 is close to rotary limited block 12
One end be provided with matching internal screw thread external screw thread；
It should be noted that can will be rotated along opening 6 after by screwing out rotary limited block 12 from installation axle 5
Ruler 2 is skidded off from installation axle 5, facilitates the dismantling of whole device, so as to carry out after device damages for damage position
Specific aim replacement, is conducive to save the cost；
Wherein, column spinner 3 is cylindrical body, and screw rod 9 is arranged at the center location of 3 bottom surface of column spinner；
It should be noted that the design of cylindrical body can make column spinner 3 in rotation, reduction is touched several with other objects
Rate, convenient for users to adjusting operation.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of economics pattern drawing apparatus, including ruler (1), which is characterized in that be rotatably connected on the ruler (1)
It rotates ruler (2), the top of rotation ruler (2) is connected with column spinner (3), and the center of the bottom of the column spinner (3) is solid
Dingan County is equipped with screw rod (9), and the screw rod (9) and column spinner (3) are integrally formed, and the upper surface of rotation ruler (2) is recessed with
Sliding slot (7) with screw rod (9), the screw rod (9) are plugged in sliding slot (7), and the screw rod (9) is threadedly coupled with sliding slot (7), institute
The top for stating column spinner (3) is fixedly installed with inserted block (4), and the inserted block (4) is recessed with slot close to the side of ruler (1), institute
It states and is inserted with chalk (10) in slot.
2. a kind of economics pattern drawing apparatus according to claim 1, which is characterized in that in the sliding slot (7)
Center is fixedly installed with nut (8), and the screw thread vertically offered on the nut (8) for being threadedly coupled screw rod (9) is logical
Hole.
3. a kind of economics pattern drawing apparatus according to claim 1, which is characterized in that solid on the ruler (1)
Dingan County is equipped with installation axle (5), and the opening (6) for being socketed installation axle (5) is offered on rotation ruler (2).
4. a kind of economics pattern drawing apparatus according to claim 3, which is characterized in that the installation axle (5)
One end is fixedly installed with cushion block (11) through ruler (1), and side of the cushion block (11) far from installation axle (5) is plane, and institute
It states and is provided with anti-skid chequer in plane.
5. a kind of economics pattern drawing apparatus according to claim 3, which is characterized in that the installation axle (5) is passed through
The threaded one end for wearing opening (6) is connected with rotary limited block (12), side of the rotary limited block (12) close to installation axle (5)
It is provided with tapped blind hole, internal screw thread is provided on the tapped blind hole inner wall, the installation axle (5) is close to rotary limited block (12)
One end be provided with matching internal screw thread external screw thread.
6. a kind of economics pattern drawing apparatus according to claim 1, which is characterized in that the column spinner (3) is
Cylindrical body, the screw rod (9) are arranged at the center location of column spinner (3) bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194733.XU CN209351141U (en) | 2018-12-26 | 2018-12-26 | A kind of economics pattern drawing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194733.XU CN209351141U (en) | 2018-12-26 | 2018-12-26 | A kind of economics pattern drawing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209351141U true CN209351141U (en) | 2019-09-06 |
Family
ID=67800887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822194733.XU Active CN209351141U (en) | 2018-12-26 | 2018-12-26 | A kind of economics pattern drawing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209351141U (en) |
-
2018
- 2018-12-26 CN CN201822194733.XU patent/CN209351141U/en active Active
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