CN112706544A - International economy and trade chart making device - Google Patents
International economy and trade chart making device Download PDFInfo
- Publication number
- CN112706544A CN112706544A CN202110088957.6A CN202110088957A CN112706544A CN 112706544 A CN112706544 A CN 112706544A CN 202110088957 A CN202110088957 A CN 202110088957A CN 112706544 A CN112706544 A CN 112706544A
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- CN
- China
- Prior art keywords
- fixed block
- straight plate
- extension
- fixedly connected
- extension ruler
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an international economy and trade chart making device, which belongs to the technical field of chart making equipment and comprises a straight plate, wherein a slidable extension ruler a is arranged on the straight plate, a slidable extension ruler b is arranged on the extension ruler a, and the width of the straight plate, the width of the extension ruler a and the width of the extension ruler b are the same; the extension ruler a comprises a fixed block a, and both sides of the bottom of the fixed block a are fixedly connected with transverse plates a; the extension ruler b comprises a transverse plate b connected to the fixing block a in a sliding mode; and graduated scales are arranged on two sides of the top of the straight plate, the top of one end of the transverse plate a far away from the fixed block a and two sides of the top of the transverse plate b. In the invention, the length of the chart making device can be extended and contracted as required, so that the length of the chart making device can be conveniently adjusted according to charts with different specifications, thereby being convenient for adapting to different chart drawing requirements.
Description
Technical Field
The invention relates to the technical field of chart making equipment, in particular to an international economy and trade chart making device.
Background
International economy and trade are important components in international economy, and are a discipline for developing compound high-level specialized talents which can systematically master the economic foundation and the international trade theory and can use metering, counting and accounting methods for analysis and research, however, textbook contents of international economy and trade are mainly based on literal discussion, so that teachers need to exemplify and analyze abstract knowledge points in books in a pictographic way during teaching to deepen understanding of students.
At present, two most common charts of international economy and trade charts are respectively a bar chart and a broken line chart, no matter in drawing the bar chart or the broken line chart, the ruler is an indispensable auxiliary tool, and the required length of the ruler is different due to different specifications of the drawn charts, but the length of the existing ruler is fixed and cannot be prolonged as required, so that the applicability is poor, and the ruler is inconvenient to carry if the length of the ruler is longer.
To this end, an international economy and trade chart creation apparatus is proposed to solve the above problems.
Disclosure of Invention
The invention aims to provide an international economy and trade chart making device for solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the international economy and trade chart making device comprises a straight plate, wherein a slidable extension ruler a is installed on the straight plate, a slidable extension ruler b is installed on the extension ruler a, and the width of the straight plate, the width of the extension ruler a and the width of the extension ruler b are the same;
the extension ruler a comprises a fixed block a, and both sides of the bottom of the fixed block a are fixedly connected with transverse plates a;
the extension ruler b comprises a transverse plate b connected to the fixing block a in a sliding mode;
and graduated scales are arranged on two sides of the top of the straight plate, the top of one end of the transverse plate a far away from the fixed block a and two sides of the top of the transverse plate b.
Preferably, the fixed block c that is provided with in top of straight board, straight board and sliding connection are run through on fixed block c in the top of fixed block a, be provided with the activity groove a that corresponds with fixed block a on the fixed block c, activity groove a is the setting of L type, be provided with the activity mouth a that corresponds with fixed block a on the straight board.
Preferably, the top fixedly connected with fixed block b of diaphragm b, fixed block b sliding connection is on fixed block c, the bottom of fixed block c is provided with the activity groove b that corresponds with fixed block b, activity groove b is the setting of L type.
Preferably, the top both sides of fixed block a and the equal fixedly connected with rubber strip in top both sides of fixed block b, the inside wall of activity groove a and the inside wall of activity groove b all are provided with the sliding tray a that corresponds with the rubber strip.
Preferably, the equal fixedly connected with stopper in one end top of fixed block a and the one end top of fixed block b, the inside wall of sliding tray a is provided with the sliding tray b that corresponds with the stopper.
Preferably, the bottom of one end of the straight plate far away from the extension ruler a is fixedly connected with a supporting block a.
Preferably, a supporting block b is fixedly connected to the bottom of one end, close to the straight plate, of the extension ruler a.
Preferably, the bottom of the extension ruler b is fixedly connected with a fixing block d.
Preferably, the detachable writing pen is installed on the fixing block d, and the accommodating groove corresponding to the writing pen is formed in the fixing block d.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
1. compared with the prior art, the length of the chart making device can be extended and contracted as required, the length of the chart making device can be conveniently adjusted according to charts with different specifications, so that the chart making device is suitable for different chart drawing requirements, and in addition, the length of the chart making device can be shortened and the chart making device is convenient to carry;
2. compared with the prior art, the chart making device is simple in structure, convenient to assemble, simple in making cost and good in market prospect;
3. compared with the prior art, the chart making device can be used for carrying a writing pen, can play a role of a storage box and is convenient to draw charts.
Drawings
FIG. 1 is a schematic view showing a construction of an international economy and trade chart producing apparatus according to the present invention;
FIG. 2 is a schematic side view of an apparatus for creating an international economics and trade chart according to the present invention;
FIG. 3 is a schematic bottom view of an apparatus for creating an international economics and trade chart according to the present invention;
fig. 4 is a schematic view of a connection structure of an extension rule a, a limiting block, a graduated scale, a rubber strip and a supporting block b in the international economy and trade chart making device provided by the invention;
fig. 5 is a schematic view of a connection structure of an extension rule b, a scale, a limiting block, a rubber strip and a fixing block b in the international economy and trade chart making device according to the present invention.
In the figure: 1. a straight plate; 2. an extension ruler a; 3. an extension ruler b; 4. a fixed block a;
5. a fixed block b; 6. a rubber strip; 7. a graduated scale; 8. a fixed block c; 9. a supporting block a; 10. a supporting block b; 11. a fixed block d; 12. a movable groove a; 13. a limiting block; 14. a movable groove b; 15. a receiving groove; 16. a writing pen; 17. a sliding groove a; 18. a transverse plate a; 19. and a transverse plate b.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, the international economy and trade chart making apparatus includes a straight plate 1, a slidable extension rule a2 is installed on the straight plate 1, a slidable extension rule b3 is installed on the extension rule a2, and the width of the straight plate 1, the width of the extension rule a2 and the width of the extension rule b3 are the same;
the extension ruler a2 comprises a fixing block a4, and both sides of the bottom of the fixing block a4 are fixedly connected with a transverse plate a 18;
the extension ruler b3 comprises a transverse plate b19 connected with the fixing block a4 in a sliding mode;
It should be noted that the number of the extension rule a2 may be one, two or more, and the extension rule a2 and the extension rule b3 are used to facilitate the extension of the length of the chart making device, so as to be suitable for the chart drawing requirements of different specifications, and at the same time, facilitate the contraction of the length of the chart making device, and facilitate carrying.
More specifically, a fixed block c8 is fixedly arranged at the top of the straight plate 1, the top of the fixed block a4 penetrates through the straight plate 1 and is connected to the fixed block c8 in a sliding manner, a movable groove a12 corresponding to the fixed block a4 is arranged on the fixed block c8, the movable groove a12 is arranged in an L shape, and a movable opening a corresponding to the fixed block a4 is arranged on the straight plate 1.
The function of the fixing block c8 is to facilitate the sliding connection of the extension rule a2 to the straight plate 1, so as to extend or contract the length of the chart making apparatus when necessary.
More specifically, a fixed block b5 is fixedly connected to the top of the transverse plate b19, a fixed block b5 is slidably connected to the fixed block c8, a movable groove b14 corresponding to the fixed block b5 is formed in the bottom of the fixed block c8, and the movable groove b14 is in an L-shaped arrangement.
Anchor b5 functions to facilitate sliding attachment of extension rule b3 to extension rule a2 to facilitate extending or retracting the length of the diagramming apparatus as needed.
More specifically, rubber strips 6 are fixedly connected to both sides of the top of the fixed block a4 and both sides of the top of the fixed block b5, and sliding grooves a17 corresponding to the rubber strips 6 are arranged on both the inner side wall of the movable groove a12 and the inner side wall of the movable groove b 14.
The rubber strip 6 is used for improving the friction force between the fixed block a4 and the fixed block c8 and between the fixed block b5 and the fixed block a4, and the length of the chart making device is kept fixed by the friction force between the fixed block a4 and the fixed block c8 and between the fixed block b5 and the fixed block a4, and meanwhile, the length of the chart making device is not influenced in extension and contraction.
More specifically, the top of one end of the fixed block a4 and the top of one end of the fixed block b5 are both fixedly connected with a limit block 13, and the inner side wall of the sliding groove a17 is provided with a sliding groove b corresponding to the limit block 13.
The stopper 13 serves to prevent the detachment of the anchor a4 from the anchors b5 and c 8.
More specifically, a supporting block a9 is fixedly connected to the bottom of one end of the straight plate 1 away from the extension rule a 2.
The supporting blocks a9 are used to support the bottom of the straight plate 1 and prevent the chart making apparatus from tilting during use.
More specifically, a support block b10 is fixedly connected to the bottom of one end of the extension rule a2 close to the straight plate 1.
The support block b10 is provided to support the bottom of extension a2 and prevent the apparatus from tilting during use.
More specifically, the bottom of the extension ruler b3 is fixedly connected with a fixed block d 11.
The function of the fixing block d11 is to support the bottom of the extension rule b3 and prevent the chart making apparatus from tilting during use. While also accommodating the writing pen 16.
More specifically, the detachable writing pen 16 is mounted on the fixed block d11, and the storage groove 15 corresponding to the writing pen 16 is provided on the fixed block d 11.
The pen 16 is intended to facilitate drawing of a chart by a user using the chart making apparatus.
The writing pen 16 is fixed in the receiving groove 15 by a plastic snap.
In the present invention, when the chart creation apparatus is used to create an international economy and trade chart, the size and specification of the chart are selected first, and then the extension rule b3 is pulled in a direction away from the support block a9 as needed to adjust the length of the chart creation apparatus, and the writing pen 16 is removed from the chart drawing apparatus to create the international economy and trade chart. When the chart making device does not need to be carried, firstly, one end of the extension ruler b3 far away from the extension ruler a2 is pushed to move towards the direction of the straight plate 1 until the extension ruler a2 is completely positioned below the straight plate 1 and the extension ruler b3 is completely positioned below the straight plate 1, and then the writing pen 16 is placed in the accommodating groove 15 on the fixed block d 11. The length of the chart making device can be extended and contracted as required, the length of the chart making device can be conveniently adjusted according to charts with different specifications, so that the chart making device is suitable for different chart drawing requirements, and in addition, the length of the chart making device can be shortened and the chart making device is convenient to carry.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The international economy and trade chart making device is characterized by comprising a straight plate (1), wherein a slidable extension ruler a (2) is installed on the straight plate (1), a slidable extension ruler b (3) is installed on the extension ruler a (2), and the width of the straight plate (1), the width of the extension ruler a (2) and the width of the extension ruler b (3) are the same;
the extension ruler a (2) comprises a fixed block a (4), and two sides of the bottom of the fixed block a (4) are fixedly connected with transverse plates a (18);
the extension ruler b (3) comprises a transverse plate b (19) which is connected to the fixed block a (4) in a sliding mode;
and graduated scales (7) are arranged on two sides of the top of the straight plate (1), the top of one end of the transverse plate a (18) far away from the fixed block a (4) and two sides of the top of the transverse plate b (19).
2. The international economy and trade chart making apparatus according to claim 1, wherein a fixed block c (8) is fixedly disposed on a top of the straight plate (1), a top of the fixed block a (4) penetrates through the straight plate (1) and is slidably connected to the fixed block c (8), a movable groove a (12) corresponding to the fixed block a (4) is disposed on the fixed block c (8), the movable groove a (12) is disposed in an L shape, and a movable opening a corresponding to the fixed block a (4) is disposed on the straight plate (1).
3. The international economic and trade chart making apparatus according to claim 2, wherein a fixed block b (5) is fixedly connected to the top of the horizontal plate b (19), the fixed block b (5) is slidably connected to a fixed block c (8), a movable groove b (14) corresponding to the fixed block b (5) is formed in the bottom of the fixed block c (8), and the movable groove b (14) is formed in an L shape.
4. The international economy and trade chart making apparatus according to claim 3, wherein rubber strips (6) are fixedly connected to both sides of the top of the fixed block a (4) and both sides of the top of the fixed block b (5), and sliding grooves a (17) corresponding to the rubber strips (6) are provided to both inner sidewalls of the movable grooves a (12) and b (14).
5. The international economy and trade chart making apparatus according to claim 4, wherein a stopper (13) is fixedly connected to both a top of one end of the fixed block a (4) and a top of one end of the fixed block b (5), and a sliding groove b corresponding to the stopper (13) is provided on an inner side wall of the sliding groove a (17).
6. The international economy and trade chart creation apparatus according to claim 1, wherein a support block a (9) is fixedly connected to a bottom of an end of the straight plate (1) remote from the extension rule a (2).
7. The international economy and trade chart creation apparatus as claimed in claim 1, wherein a support block b (10) is fixedly connected to the bottom of one end of the extension rule a (2) near the straight plate (1).
8. The international economics and trade chart creation apparatus according to claim 1, wherein a fixed block d (11) is fixedly connected to the bottom of the extension rule b (3).
9. The international economics and trade chart creating device according to claim 8, wherein a detachable writing pen (16) is installed on the fixed block d (11), and a receiving groove (15) corresponding to the writing pen (16) is provided on the fixed block d (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088957.6A CN112706544A (en) | 2021-01-22 | 2021-01-22 | International economy and trade chart making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088957.6A CN112706544A (en) | 2021-01-22 | 2021-01-22 | International economy and trade chart making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112706544A true CN112706544A (en) | 2021-04-27 |
Family
ID=75549408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110088957.6A Pending CN112706544A (en) | 2021-01-22 | 2021-01-22 | International economy and trade chart making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112706544A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050144793A1 (en) * | 2003-02-25 | 2005-07-07 | Nelson James R. | Protractable tool |
| CN201721201U (en) * | 2010-04-27 | 2011-01-26 | 上海市航头学校 | Extension scale |
| CN203358133U (en) * | 2013-06-20 | 2013-12-25 | 张育杰 | Three-section type telescopic stationery ruler |
| CN203957641U (en) * | 2014-07-28 | 2014-11-26 | 李宁 | One is triple rulers slidably |
| EP3235655A1 (en) * | 2016-04-18 | 2017-10-25 | Florent Iribarne | Multifunctional ruler with removable flap(s) |
| CN107618297A (en) * | 2017-09-14 | 2018-01-23 | 周翔 | A kind of Portable teaching shrinkage-rule |
| CN208505142U (en) * | 2018-08-04 | 2019-02-15 | 安徽恒信建设工程管理有限公司 | A kind of portable engineering detecting ruler |
| CN211527229U (en) * | 2020-04-12 | 2020-09-18 | 义乌市小鱼儿文化用品有限公司 | Multifunctional convenient plastic graduated scale |
-
2021
- 2021-01-22 CN CN202110088957.6A patent/CN112706544A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050144793A1 (en) * | 2003-02-25 | 2005-07-07 | Nelson James R. | Protractable tool |
| CN201721201U (en) * | 2010-04-27 | 2011-01-26 | 上海市航头学校 | Extension scale |
| CN203358133U (en) * | 2013-06-20 | 2013-12-25 | 张育杰 | Three-section type telescopic stationery ruler |
| CN203957641U (en) * | 2014-07-28 | 2014-11-26 | 李宁 | One is triple rulers slidably |
| EP3235655A1 (en) * | 2016-04-18 | 2017-10-25 | Florent Iribarne | Multifunctional ruler with removable flap(s) |
| CN107618297A (en) * | 2017-09-14 | 2018-01-23 | 周翔 | A kind of Portable teaching shrinkage-rule |
| CN208505142U (en) * | 2018-08-04 | 2019-02-15 | 安徽恒信建设工程管理有限公司 | A kind of portable engineering detecting ruler |
| CN211527229U (en) * | 2020-04-12 | 2020-09-18 | 义乌市小鱼儿文化用品有限公司 | Multifunctional convenient plastic graduated scale |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |
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| RJ01 | Rejection of invention patent application after publication |