CN110009972A - A kind of model display device for economic statistics course learning - Google Patents
A kind of model display device for economic statistics course learning Download PDFInfo
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- CN110009972A CN110009972A CN201910301298.2A CN201910301298A CN110009972A CN 110009972 A CN110009972 A CN 110009972A CN 201910301298 A CN201910301298 A CN 201910301298A CN 110009972 A CN110009972 A CN 110009972A
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- column
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/18—Book-keeping or economics
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- Entrepreneurship & Innovation (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Economics (AREA)
- General Business, Economics & Management (AREA)
- Development Economics (AREA)
- Accounting & Taxation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Instructional Devices (AREA)
Abstract
The present invention relates to economic statistics aided education instrument fields, specifically disclose a kind of model display device for economic statistics course learning, including data column diagram displaying portion, the data column diagram displaying portion includes that several rectangles of frame and setting on said frame show column；Each rectangle shows that column is the hollowed out prism structure that leading flank has visual window；The rectangle, which is shown, to be slided up and down in column equipped with matched rectangle piston, and the rectangle shows the adjusting component for being equipped in column and adjusting the rectangle piston present position；The rectangle shows that the bottom inner cavity connection of column is equipped with communicating pipe, and the bottom end of the communicating pipe extends to the lower part of the liquid storage chamber.The present invention shows that the height of the colored liquid in column, the vivid situation of change for expressing a graphic data increase student's impression by independent control rectangle, guarantees learning effect, but also can adjust the direction in data column diagram displaying portion, flexibility is good.
Description
Technical field
It is specifically a kind of for economic statistics course learning the present invention relates to economic statistics aided education instrument field
Model display device.
Background technique
China is high to the attention degree of education at present, increases input in education and strives the all-round developing talent of culture, economical
The statistics subject important as one, can not only allow student to recognize economic knowledge, moreover it is possible to when hunting for a job work after student
It plays a significant role, in economic statistics teaching, uses column diagram often intuitively to show economic statistics data
Come, student is facilitated to understand.
But teacher draws column diagram on blackboard and compares the consuming time when giving lessons, and student's study gets up also to compare
More dry as dust, when student learns, impression is not deep enough, not can guarantee learning effect.For progress that can be lively in teaching
Data column diagram is shown, needs a kind of model display device for economic statistics course learning now to solve the problems, such as this.
Summary of the invention
The purpose of the present invention is to provide a kind of model display devices for economic statistics course learning, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of model display device for economic statistics course learning, including data column diagram displaying portion, the data column
Shape figure displaying portion includes that several rectangles of frame and setting on said frame show column；
Each rectangle shows that column is the hollowed out prism structure that leading flank has visual window；The rectangle is shown in column up and down
Sliding is equipped with matched rectangle piston, and the rectangle shows the adjusting for being equipped in column and adjusting the rectangle piston present position
Component；
The rectangle shows that the bottom inner cavity connection of column is equipped with communicating pipe, and the bottom end of the communicating pipe extends to the liquid storage chamber
Lower part.
As a further solution of the present invention: the adjusting component includes that sealing is fixedly mounted on the rectangle piston
Swivel nut is supported, the top of the support swivel nut is connected through a screw thread mode and is socketed on studdle, the top of the studdle
End is fixedly installed adjustment disk.
As a further solution of the present invention: the frame includes the frame base with the liquid storage chamber, is fixedly mounted
The frame vertical plate of top surface and the frame head plate on frame vertical plate top is fixedly mounted on rear side of the frame base；It is described
Rectangle shows that column is vertically fixed and sets up between the frame base and the frame head plate.
As a further solution of the present invention: a lateral roof of the frame base is also provided with to be connected with the liquid storage chamber
Logical snorkel can not only balance the air pressure in liquid storage chamber by the snorkel of setting, additionally it is possible to which being added into liquid storage chamber has
Color solution；
The rectangle shows the air equalizer opening for being also provided at the top of column and communicating with its top inner cavity, and air equalizer opening is for putting down
The rectangle that weighs shows the air pressure of column upper lumen.
As a further solution of the present invention: scale is additionally provided on the leading flank of the rectangle displaying column, with further essence
Really observation data changing value.
As a further solution of the present invention: the frame base reassembling type in the data column diagram displaying portion is mounted on installation
On seat.
As a further solution of the present invention: the installation matched with the frame base is offered in the mounting base
Slot is also provided with channel in the mounting base, and rotation is equipped with circular support cylinder in the channel, is equipped in the circular support cylinder
Level sliding is equipped with oval sliding block, passes through compressed spring between the ellipse sliding block and the one side wall of the circular support cylinder
It is connected；
The other side of the ellipse sliding block is fixedly installed with strut, and the other end of strut is fixedly installed with and the frame base
On the limit fastening block that matches of the limit binding groove that opens up；The limit fastening block is the prism knot that side has inclined surface
Structure.
As a further solution of the present invention: be equipped on the outer wall of the mounting base for adjusting inclining for limit fastening block
The stepper motor of inclined-plane direction, the output shaft of the stepper motor are fixedly connected with the circular support cylinder.
As a further solution of the present invention: the mounting base rotation is erected on firm banking, wherein the fixed bottom
The middle top surface of seat is fixedly installed with support column, and the mounting base rotation is erected at the top of support column；On the firm banking
It is additionally provided with the angular adjustment component for driving the mounting base rotation.
As a further solution of the present invention: the angular adjustment component includes being fixed at the mounting base bottom surface
Annular rack and the driving gear being meshed with the annular rack；
The angular adjustment component further includes the angular adjustment motor for driving the driving gear rotation, wherein the angle
Degree adjusts motor and is fixedly mounted on the support columns；
In the present embodiment, the angular adjustment motor driven driving gear rotation used the power on, due to driving gear and annular tooth
Item is meshed, and the driving gear of rotation is able to drive mounting base rotation, so that the rotation angle to mounting base is adjusted, in turn
The direction for adjusting data column diagram displaying portion, ensure that the flexibility in the model display device use process.
Compared with prior art, the model display device provided in an embodiment of the present invention for economic statistics course learning
In,
Studdle rotation is driven by operation adjustment disk, since the lower part of studdle is being propped up using thread connecting mode setting
In the upper lumen for supportting swivel nut, according to the direction of rotation of studdle, rectangle piston can be adjusted in rectangle and show the height in column
Spend position, wherein when rectangle piston is when rectangle shows and moves upwards in column, rectangle shows to generate in the lower lumen of column and bear
Pressure, can be by the colored liquid in liquid storage chamber by sucking communicating pipe in the lower lumen for showing column into rectangle, thus through can
Form can observe data value；
The present invention shows the height of the colored liquid in column by independent control rectangle, is capable of the change of the expression graphic data of image
Change situation, for student viewing, increases student's impression, guarantee learning effect, model display device provided by the invention can also
The direction for adjusting data column diagram displaying portion, ensure that the flexibility in the model display device use process.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment.
Fig. 1 is the structural representation of the model display device provided in an embodiment of the present invention for economic statistics course learning
Figure.
Fig. 2 is data cylindricality in the model display device provided in an embodiment of the present invention for economic statistics course learning
The main view in figure displaying portion.
Fig. 3 is data cylindricality in the model display device provided in an embodiment of the present invention for economic statistics course learning
The schematic perspective view of the frame in figure displaying portion.
Fig. 4 is that the present invention implements data column diagram in the model display device for economic statistics course learning provided
The cross-sectional view of the displaying column in displaying portion.
Fig. 5 is the vertical of mounting base in the model display device for economic statistics course learning of the invention for implementing to provide
Body structural schematic diagram.
In figure: 1- mounting base, 2- firm banking, 3- support column, 4- driving gear, 5- angular adjustment motor, 6- annular tooth
Item, 7- frame base, 8- mounting groove, 9- stepper motor, 10- circular support cylinder, 11- compressed spring, 12- ellipse sliding block, 13-
Channel, 14- limit binding groove, 15- limit fastening block, 16- liquid storage chamber, 17- snorkel, 18- communicating pipe, 19- rectangle piston,
20- supports swivel nut, and 21- rectangle shows column, 22- visual window, 23- studdle, 24- air equalizer opening, 25- adjustment disk, 26- frame
Frame top plate, 27- frame vertical plate, 28- scale.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Fig. 1~4 are please referred to, it is a kind of for economic statistics course learning in one embodiment provided by the invention
Model display device, including data column diagram displaying portion, the data column diagram displaying portion include frame and are arranged described
Several rectangles on frame show that column 21, each rectangle show that column 21 is the hollowed out prism that leading flank has visual window 22
Structure, rectangle show in column 21 and slide up and down equipped with matched rectangle piston 19, seal and fix on the rectangle piston 19
Through support swivel nut 20 is equipped with, the top of the support swivel nut 20 is connected through a screw thread mode and is socketed on studdle 23, institute
The top for stating studdle 23 is placed in the over top that the rectangle shows column 21, and the top fixation of the studdle 23 is set
It is equipped with adjustment disk 25；
Further, as depicted in figs. 1 and 2, in embodiments of the present invention, the frame includes the framework bottom with liquid storage chamber 16
Seat 7 is fixedly mounted on the frame vertical plate 27 of the 7 rear side top surface of frame base and is fixedly mounted on the frame vertical plate 27 and pushes up
The frame head plate 26 at end；The rectangle shows that column 21 is vertically fixed between the erection frame base 7 and the frame head plate 26,
The rectangle shows that the bottom inner cavity connection of column 21 is equipped with communicating pipe 18, and the bottom end of the communicating pipe 18 extends to the liquid storage chamber
16 lower part.
In embodiments of the present invention, a lateral roof of the frame base 7 is also provided with is connected with the liquid storage chamber 16
Snorkel 17 air pressure in liquid storage chamber 16 can not only be balanced by the snorkel 17 of setting, additionally it is possible into liquid storage chamber 16
Colored solutions are added.
Further, through the frame head plate 26, the adjustment disk 25 is solid for the top rotation of the studdle 23
Surely it is mounted on 23 top of studdle of 26 top of frame head plate；The top of the rectangle displaying column 21 is also provided with and it
The air equalizer opening 24 that top inner cavity communicates, air equalizer opening 24 are used to balance the air pressure that rectangle shows 21 upper lumen of column.
Data column diagram displaying portion provided in an embodiment of the present invention is carrying out in use, driving branch by operation adjustment disk 25
Support screw rod 23 rotate, due to studdle 23 lower part using thread connecting mode be arranged in support swivel nut 20 upper lumen
In, according to the direction of rotation of studdle 23, rectangle piston 19 can be adjusted in rectangle and show the height and position in column 21,
In, when rectangle piston 19 moves upwards in rectangle displaying column 21, negative pressure, energy are generated in the lower lumen of rectangle displaying column 21
It is enough to pass through the colored liquid in liquid storage chamber 16 in the lower lumen for sucking communicating pipe 18 and showing column 21 into rectangle, thus through can
Form 22 can observe data value；In the present embodiment, the height of the colored liquid in column 21, energy are shown by independent control rectangle
The situation of change of the expression graphic data of enough images increases student's impression for student viewing, guarantees learning effect.
Further, it is additionally provided with scale 28 on the leading flank of the rectangle displaying column 21, further accurately to observe data
Changing value.
Please continue to refer to Fig. 1, in another embodiment provided by the invention, the frame in the data column diagram displaying portion
7 reassembling type of pedestal is mounted in mounting base 1；
Specifically, as shown in Fig. 1, Fig. 3 and Fig. 5, in embodiment provided by the invention, offered in the mounting base 1 and institute
The mounting groove 8 that frame base 7 matches is stated, channel 13 is also provided in the mounting base 1, rotation is equipped with circle in the channel 13
Shape support tube 10 is equipped with horizontal sliding in the circular support cylinder 10 and is equipped with oval sliding block 12, the ellipse sliding block 12 with
It is connected between the one side wall of the circular support cylinder 10 by compressed spring 11；The other side of the ellipse sliding block 12 is fixed
Strut is installed, the other end of strut is fixedly installed with to be matched with the limit binding groove 14 opened up on the frame base 7
Limit fastening block 15；The limit fastening block 15 is the prism structure that side has inclined surface；
Further, the stepping of the inclined surface direction for adjusting limit fastening block 15 is installed on the outer wall of the mounting base 1
Motor 9, the output shaft of the stepper motor 9 are fixedly connected with the circular support cylinder 10；
In the present embodiment, when frame base 7 is placed in mounting groove 8, under the resilient support effect of compressed spring 11, the limit
In the insertion limit binding groove 14 of fastening block 15 of position, and guarantee that the inclination for limiting fastening block 15 is face-up, at this point, can guarantee frame
Pedestal 7 is stably fixed in mounting groove 8, because when the inclination for the limit fastening block 15 being placed in limit binding groove 14 faces upward
When, the bottom surface of limit fastening block 15 is plane, can not generate lateral sliding with the bottom surface of limit binding groove 14, being at this time cannot
Frame base 7 is pulled out out of mounting groove 8 enough, is mounted in mounting groove 8 this ensures that frame base 7 is stable；
Conversely, when needing to take out frame base 7 out of mounting groove 8 only circular support cylinder 10 need to be driven using stepper motor 9
Half rotation, since the oval sliding block 12 in circular support cylinder 10 is ellipsoidal structure, oval sliding block 12 and circular support
10 synchronous rotaries of cylinder can be realized and the direction of limit 15 top incline of fastening block is adjusted, when inclining for limit fastening block 15
Inclined-plane downward when, frame base 7 is pulled up out of mounting groove 8, limit fastening block 15 inclined surface and limit binding groove 14
Bottom surface between form lateral sliding, compressed spring 11 can be made to be in compressive state at this time, so that limit fastening block 15 is from limit
It is detached from the binding groove 14 of position, so that frame base 7 be pulled out out of mounting groove 8, completes the dismounting of frame base 7.
In addition, the rotation of mounting base 1 is erected on firm banking 2 in another embodiment that invention provides,
In, the middle top surface of the firm banking 2 is fixedly installed with support column 3, and the mounting base 1 rotates the top for being erected at support column 3
End；The angular adjustment component for driving the mounting base 1 to rotate is additionally provided on the firm banking 2；
Specifically, in embodiments of the present invention, the angular adjustment component includes the ring for being fixed at 1 bottom surface of mounting base
Shape rack gear 6 and the driving gear 4 being meshed with the annular rack 6；The angular adjustment component further includes for driving
State the angular adjustment motor 5 of the rotation of driving gear 4, wherein the angular adjustment motor 5 is fixedly mounted on support column 3, at this
In embodiment, the angular adjustment motor 5 used the power on drives driving gear 4 to rotate, due to 6 phase of driving gear 4 and annular rack
Engagement, the driving gear 4 of rotation is able to drive the rotation of mounting base 1, so that the rotation angle to mounting base 1 is adjusted, in turn
The direction for adjusting data column diagram displaying portion, ensure that the flexibility in the model display device use process.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In the description of the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of model display device for economic statistics course learning, which is characterized in that shown including data column diagram
Portion, the data column diagram displaying portion include that several rectangles of frame and setting on said frame show column (21)；
Each rectangle shows that column (21) are the hollowed out prism structure that leading flank has visual window (22)；The rectangle is shown
It is slided up and down in column (21) equipped with matched rectangle piston (19), the rectangle, which shows to be equipped in column (21), adjusts the square
The adjusting component of shape piston (19) present position；
The rectangle shows that the bottom inner cavity connection of column (21) is equipped with communicating pipe (18), and the bottom end of the communicating pipe (18) extends to
The lower part of the liquid storage chamber (16).
2. the model display device according to claim 1 for economic statistics course learning, which is characterized in that described
Adjusting component includes the support swivel nut (20) that sealing is fixedly mounted on the rectangle piston (19), support swivel nut (20)
Top is connected through a screw thread mode and is socketed on studdle (23), and the top of the studdle (23) is fixedly installed adjusting
Disk (25).
3. the model display device according to claim 2 for economic statistics course learning, which is characterized in that described
Frame includes the frame base (7) with the liquid storage chamber (16), the frame for being fixedly mounted on top surface on rear side of the frame base (7)
The frame head plate (26) for erecting plate (27) and being fixedly mounted on frame vertical plate (27) top；The rectangle shows column (21)
Between the vertical fixed erection frame base (7) and the frame head plate (26).
4. the model display device according to claim 3 for economic statistics course learning, which is characterized in that described
One lateral roof of frame base (7) is also provided with the snorkel (17) being connected with the liquid storage chamber (16)；
The rectangle shows the air equalizer opening (24) for being also provided at the top of column (21) and communicating with its top inner cavity.
5. the model display device according to claim 4 for economic statistics course learning, which is characterized in that described
Scale (28) are additionally provided on the leading flank of rectangle displaying column (21).
6. according to any model display device for economic statistics course learning of claim 3~5, feature exists
In frame base (7) reassembling type in the data column diagram displaying portion is mounted on mounting base (1).
7. the model display device according to claim 6 for economic statistics course learning, which is characterized in that described
The mounting groove (8) matched with the frame base (7) is offered in mounting base (1), is also provided on the mounting base (1) logical
Road (13), the interior rotation of the channel (13) are equipped with circular support cylinder (10), level sliding are equipped in the circular support cylinder (10)
Equipped with oval sliding block (12), pass through compression between the ellipse sliding block (12) and the one side wall of the circular support cylinder (10)
Spring (11) is connected；
The other side of the ellipse sliding block (12) is fixedly installed with strut, and the other end of strut is fixedly installed with and the frame
The limit fastening block (15) that the limit binding groove (14) opened up on pedestal (7) matches；The limit fastening block (15) is side
Prism structure with inclined surface.
8. the model display device according to claim 7 for economic statistics course learning, which is characterized in that described
The stepper motor (9) of inclined surface direction for adjusting limit fastening block (15), the step are installed on the outer wall of mounting base (1)
Output shaft into motor (9) is fixedly connected with the circular support cylinder (10).
9. according to any model display device for economic statistics course learning of claim 2~4, feature exists
In mounting base (1) rotation is erected on firm banking (2), wherein the fixed peace of the middle top surface of the firm banking (2)
Equipped with support column (3), mounting base (1) rotation is erected at the top of support column (3)；It is also set up on the firm banking (2)
There is the angular adjustment component for driving the mounting base (1) to rotate.
10. the model display device according to claim 9 for economic statistics course learning, which is characterized in that institute
State angular adjustment component include be fixed at the mounting base (1) bottom surface annular rack (6) and with the annular rack
(6) driving gear (4) being meshed；
The angular adjustment component further includes the angular adjustment motor (5) for driving the driving gear (4) to rotate, wherein
The angular adjustment motor (5) is fixedly mounted on support column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301298.2A CN110009972B (en) | 2019-04-15 | 2019-04-15 | Model display device for learning economic statistics course |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301298.2A CN110009972B (en) | 2019-04-15 | 2019-04-15 | Model display device for learning economic statistics course |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110009972A true CN110009972A (en) | 2019-07-12 |
| CN110009972B CN110009972B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910301298.2A Expired - Fee Related CN110009972B (en) | 2019-04-15 | 2019-04-15 | Model display device for learning economic statistics course |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2297011A (en) * | 1941-04-19 | 1942-09-29 | James D Mooney | Apparatus for illustrating economic principles |
| GB1164735A (en) * | 1967-03-28 | 1969-09-17 | John Randle Simcox | Adjustable Mounting Bracket |
| CN202623164U (en) * | 2012-06-19 | 2012-12-26 | 东莞劲胜精密组件股份有限公司 | Structure enabling mould to exchange insert rapidly |
| CN206040166U (en) * | 2016-08-30 | 2017-03-22 | 李墨涵 | Rotation type exhibition frame convenient to installation |
| CN206489736U (en) * | 2017-01-20 | 2017-09-12 | 重庆工业职业技术学院 | A kind of computer multimedia teaching training set |
| CN107437355A (en) * | 2017-09-30 | 2017-12-05 | 张坤 | Statistics figure shows instructional device |
| US9868042B1 (en) * | 2017-02-07 | 2018-01-16 | Hugh Lee Leonard | Baton stand |
| CN206907291U (en) * | 2017-05-11 | 2018-01-19 | 西京学院 | A kind of statistics column diagram exhibiting device |
| CN107675858A (en) * | 2017-11-17 | 2018-02-09 | 深圳市朗生建材有限公司 | A kind of waterproof wood floors |
| CN207302392U (en) * | 2017-07-02 | 2018-05-01 | 常州三立精图光电有限公司 | A kind of adjustable art teaching display board |
| CN108445966A (en) * | 2018-03-09 | 2018-08-24 | 董凯 | A kind of office appliance |
| CN207818020U (en) * | 2017-09-22 | 2018-09-04 | 济宁市技师学院 | Chart solid apparatus for demonstrating |
| CN108609554A (en) * | 2018-05-18 | 2018-10-02 | 宁波鄞州义旺电子科技有限公司 | A kind of stable maintained equipment |
| CN208233542U (en) * | 2018-05-28 | 2018-12-14 | 新乡市豫昌生态农业科技有限公司 | Bottle placer is used in a kind of production of beverage |
| CN208521491U (en) * | 2018-01-19 | 2019-02-19 | 谭述亮 | Senior Geography Teaching display board |
| CN208569470U (en) * | 2018-04-20 | 2019-03-01 | 常州信息职业技术学院 | A kind of Multifunctional computer cabinet |
| CN208600605U (en) * | 2018-07-19 | 2019-03-15 | 青岛一豪机械模具制造有限公司 | A kind of automobile die plate positioning plate |
| CN109519401A (en) * | 2018-11-26 | 2019-03-26 | 倪志华 | A kind of adjustable angle type blower facilitating installation |
-
2019
- 2019-04-15 CN CN201910301298.2A patent/CN110009972B/en not_active Expired - Fee Related
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2297011A (en) * | 1941-04-19 | 1942-09-29 | James D Mooney | Apparatus for illustrating economic principles |
| GB1164735A (en) * | 1967-03-28 | 1969-09-17 | John Randle Simcox | Adjustable Mounting Bracket |
| CN202623164U (en) * | 2012-06-19 | 2012-12-26 | 东莞劲胜精密组件股份有限公司 | Structure enabling mould to exchange insert rapidly |
| CN206040166U (en) * | 2016-08-30 | 2017-03-22 | 李墨涵 | Rotation type exhibition frame convenient to installation |
| CN206489736U (en) * | 2017-01-20 | 2017-09-12 | 重庆工业职业技术学院 | A kind of computer multimedia teaching training set |
| US9868042B1 (en) * | 2017-02-07 | 2018-01-16 | Hugh Lee Leonard | Baton stand |
| CN206907291U (en) * | 2017-05-11 | 2018-01-19 | 西京学院 | A kind of statistics column diagram exhibiting device |
| CN207302392U (en) * | 2017-07-02 | 2018-05-01 | 常州三立精图光电有限公司 | A kind of adjustable art teaching display board |
| CN207818020U (en) * | 2017-09-22 | 2018-09-04 | 济宁市技师学院 | Chart solid apparatus for demonstrating |
| CN107437355A (en) * | 2017-09-30 | 2017-12-05 | 张坤 | Statistics figure shows instructional device |
| CN107675858A (en) * | 2017-11-17 | 2018-02-09 | 深圳市朗生建材有限公司 | A kind of waterproof wood floors |
| CN208521491U (en) * | 2018-01-19 | 2019-02-19 | 谭述亮 | Senior Geography Teaching display board |
| CN108445966A (en) * | 2018-03-09 | 2018-08-24 | 董凯 | A kind of office appliance |
| CN208569470U (en) * | 2018-04-20 | 2019-03-01 | 常州信息职业技术学院 | A kind of Multifunctional computer cabinet |
| CN108609554A (en) * | 2018-05-18 | 2018-10-02 | 宁波鄞州义旺电子科技有限公司 | A kind of stable maintained equipment |
| CN208233542U (en) * | 2018-05-28 | 2018-12-14 | 新乡市豫昌生态农业科技有限公司 | Bottle placer is used in a kind of production of beverage |
| CN208600605U (en) * | 2018-07-19 | 2019-03-15 | 青岛一豪机械模具制造有限公司 | A kind of automobile die plate positioning plate |
| CN109519401A (en) * | 2018-11-26 | 2019-03-26 | 倪志华 | A kind of adjustable angle type blower facilitating installation |
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| Publication number | Publication date |
|---|---|
| CN110009972B (en) | 2020-12-22 |
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