CN110009990A - A kind of gear shifting structure displaying device of the vehicle teaching convenient for demonstration - Google Patents
A kind of gear shifting structure displaying device of the vehicle teaching convenient for demonstration Download PDFInfo
- Publication number
- CN110009990A CN110009990A CN201910447968.1A CN201910447968A CN110009990A CN 110009990 A CN110009990 A CN 110009990A CN 201910447968 A CN201910447968 A CN 201910447968A CN 110009990 A CN110009990 A CN 110009990A
- Authority
- CN
- China
- Prior art keywords
- main body
- fixed frame
- frame
- gear shifting
- wheel group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of vehicle teaching convenient for demonstration gear shifting structures to show device, including protecting upper cover, fixing lock, speed display, speed probe, motor, battery and switch, the protection upper cover is internally provided with protective pad with protection main body, and hinge is installed on rear side of protection upper cover and protection main body, fixed frame is provided between the protective pad, and one end of fixed frame is connected with protection main body, movable frame is provided on the inside of the fixed frame, and the upper and lower sides of movable frame are connected by shaft with fixed frame, motor is fixed on the outside of the movable frame, and the front end of motor is equipped with active wheels, the centre of the movable frame, which is run through, movable axis, and control rocking bar and driving wheel group are installed on movable axis.This shows device convenient for the vehicle teaching gear shifting structure demonstrated, and can effectively improve the teaching bandwagon effect of movable frame, enable devices to the teaching environment suitable for a large amount of personnel.
Description
Technical field
The present invention relates to vehicle teaching equipment technical field, specially a kind of vehicle teaching gear shifting structure convenient for demonstration
Show device.
Background technique
Automobile is main stream traffic tool at present in the world, and with economic rapid development, people are for automobile
Demand also increasingly increases, and it is also important that this comes people the grasp of automobile relevant knowledge more, although vehicle structure is answered
It is miscellaneous, but for user or maintenance work personnel, some necessary vehicle structure principles are also that it is necessary to carry out
Solution, such as understand the gear shifting structure principle of automobile, for user or maintenance work personnel, being being capable of normal use
And necessary to servicing a car.
Although currently, there is the device that many gear shifting structure principles for automobile are imparted knowledge to students, such as publication number
The patents of invention such as CN201610521723, CN201420771048, CN201420483194, CN200920120065, above-mentioned
In patent of invention, although the simulated effect with higher having, substantially one to one gear shifting structure principle specifically can be shown,
But for the personnel of zero-base plinth, be it is more complicated, be not easy to fast understanding gear shifting structure principle, and above-mentioned hair
In bright, some instructional device volume structures are larger, while being inconvenient to move use, are not particularly suited for the teaching ring of a large amount of personnel
Border, while work clearly can not be shown to a large amount of personnel.
So we have proposed a kind of vehicle teaching convenient for demonstration gear shifting structures to show device, it is above-mentioned in order to solve
The problem of middle proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle teaching convenient for demonstration gear shifting structures to show device, on solving
The instructional device having at present for stating background technique proposition is more complicated, the instructional device for being not easy to fast understanding, and having
The problem of volume structure is larger, is not particularly suited for the teaching environment of a large amount of personnel.
To achieve the above object, the invention provides the following technical scheme: a kind of vehicle teaching convenient for demonstration shift knot
Structure shows device, including protection upper cover, fixing lock, speed display, speed probe, motor, battery and switch, the protection
Upper cover and the protective pad that is internally provided with for protecting main body, and protect on rear side of upper cover and protection main body and hinge is installed, and protect
Upper cover and protection main body installed in front have fixing lock, and fixed frame, and one end of fixed frame are provided between the protective pad
It is connected with protection main body, the outer end of the protection main body is fixed with handle, is provided with movable frame on the inside of the fixed frame,
And the upper and lower sides of movable frame are connected by shaft with fixed frame, are equipped with revolving speed on the upside of the fixed frame and are shown
Device is equipped with runner on the outside of the movable frame, and is connected with speed probe on the inside of runner, and speed probe is solid
Determine on movable frame, motor to be fixed on the outside of the movable frame, and the front end of motor is equipped with active wheels, the work
Edge on the inside of dynamic frame is fixed with battery and switch, and the centre of the movable frame, which is run through, movable axis, and on movable axis
Control rocking bar and driving wheel group are installed, are connected with driven wheel group and active wheels, and driven wheel on the outside of the driving wheel group
Axis connection between group and runner.
Preferably, the protection upper cover and protection main body are made up of hinge overturns structure, and upper cover and protection is protected to lead
Body is to be fixedly connected by fixing lock, and the size protecting upper cover and protecting between the protective pad on the inside of main body is less than fixed frame
Thickness.
It preferably, is axis connection between one end of the fixed frame and protection main body, and the fixed frame other end is embedded in
It protects upper cover and protects the junction of main body.
Preferably, the movable frame constitutes rotational structure by shaft on the inside of fixed frame, and fixed frame is interior
Side size is greater than the overall dimension of movable frame.
Preferably, the speed display is symmetrically arranged with 2 before and after the upside of fixed frame, and speed display with
To be electrically connected between speed probe, and the runner on the outside of speed probe is ellipse.
Preferably, the battery is that electrically input connects with speed display, speed probe and motor by switch.
Preferably, the movable axis runs through movable frame, and movable axis is left and right bascule on movable frame.
Preferably, the control rocking bar is between driving wheel group, and controls and connect between rocking bar and movable axis for bearing.
Preferably, the equal size of the size of the driving wheel group and driven wheel group is arranged successively, and driving wheel group and driven wheel
The size orientation of group is opposite.
Compared with prior art, the beneficial effects of the present invention are: should be shown convenient for the vehicle teaching of demonstration with gear shifting structure
Device；
(1) protection upper cover and protection main body are provided on device, it is ensured that device carries out the use of safety, in protection upper cover
Protective pad is internally provided with protection main body, it is ensured that the security performance of fixed frame, while in the outside of protection main body
It is provided with fixing lock and handle, the carrying for not only having facilitated device uses, but also can further strengthen device using safe；
(2) it is provided with shaft between fixed frame and movable frame, movable frame can be made to be rotated on fixed frame,
With the displaying work of portable propelling frame, the use high efficiency of movable frame is improved, so as to effectively improve movable frame
Teaching bandwagon effect, enable devices to the teaching environment suitable for a large amount of personnel；
(3) speed display, speed probe, motor, battery and switch are installed on movable frame, can both be driven automatically
Whole device can simulate simple automobile gear shift structural principle for device and provide necessary condition, and can be with the shift of display device
Speed changing effect；
(4) driving wheel group, driven wheel group and active wheels are installed on movable frame, are connected by the displacement of driving wheel group,
Simple analog automobile gear shift structural principle can be enabled devices to, so as to make study personnel easily understand automobile gear shift
Structural principle improves the use value of device.
Detailed description of the invention
Fig. 1 is that a kind of vehicle teaching gear shifting structure convenient for demonstration of the present invention shows device schematic view of the front view；
Fig. 2 is that a kind of vehicle teaching convenient for demonstration of the present invention is closed with gear shifting structure displaying device protection upper cover and protection main body
State side elevational cross-section structural schematic diagram；
Fig. 3 is that a kind of vehicle teaching gear shifting structure convenient for demonstration of the present invention shows the signal of device fixed frame front view structure
Figure；
Fig. 4 is that a kind of vehicle teaching gear shifting structure convenient for demonstration of the present invention shows that device 1 keeps off structural schematic diagram；
Fig. 5 is that a kind of vehicle teaching gear shifting structure convenient for demonstration of the present invention shows that device 2 keeps off structural schematic diagram；
Fig. 6 is that a kind of vehicle teaching gear shifting structure convenient for demonstration of the present invention shows that device 3 keeps off structural schematic diagram；
Fig. 7 is that a kind of vehicle teaching gear shifting structure convenient for demonstration of the present invention shows the signal of device movable frame side view structure
Figure.
In figure: 1, protecting upper cover；2, protective pad；3, main body is protected；4, hinge；5, fixed frame；6, fixing lock；7,
Hand；8, movable frame；9, shaft；10, speed display；11, runner；12, speed probe；13, motor；14, battery；15,
Switch；16, movable axis；17, rocking bar is controlled；18, driving wheel group；19, driven wheel group；20, active wheels.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7 is please referred to, the present invention provides a kind of technical solution: a kind of gear shifting structure exhibition of the vehicle teaching convenient for demonstration
Showing device, including protection upper cover 1, protective pad 2, protection main body 3, hinge 4, fixed frame 5, fixing lock 6, handle 7, movable frame
8, shaft 9, speed display 10, runner 11, speed probe 12, motor 13, battery 14, switch 15, movable axis 16, control are shaken
Bar 17, driving wheel group 18, driven wheel group 19 and active wheels 20, protection upper cover 1 and protection main body 3 are internally provided with protective pad
2, and protect on rear side of upper cover 1 and protection main body 3 and hinge 4 is installed, and it is solid to protect upper cover 1 and protection 3 installed in front of main body to have
Lock 6, is provided with fixed frame 5 between protective pad 2, and one end of fixed frame 5 is connected with protection main body 3, and protective pad 2 can be with
Fixed frame 5 is clamped, the outer end of protection main body 3 is fixed with handle 7, and the inside of fixed frame 5 is provided with movable frame 8, and living
The upper and lower sides of dynamic frame 8 are connected by shaft 9 with fixed frame 5, and the upside of fixed frame 5 is equipped with speed display 10,
The outside of movable frame 8 is equipped with runner 11, and the inside of runner 11 is connected with speed probe 12, and speed probe 12
It being fixed on movable frame 8, the outside of movable frame 8 is fixed with motor 13, and the front end of motor 13 is equipped with active wheels 20,
The edge of 8 inside of movable frame is fixed with battery 14 and switch 15, and the centre of movable frame 8, which is run through, movable axis 16, and living
Control rocking bar 17 is installed on moving axis 16 and driving wheel group 18, the outside of driving wheel group 18 are connected with driven wheel group 19 and driving wheel
Group 20, and axis connection between driven wheel group 19 and runner 11.
It protects upper cover 1 and protection main body 3 to constitute overturning structure by hinge 4, and upper cover 1 is protected to pass through with protection main body 3
Fixing lock 6 is to be fixedly connected, and the size protecting upper cover 1 and protecting between the protective pad 2 on the inside of main body 3 is less than fixed frame 5
Thickness, protective pad 2 can clamp fixed frame 5, not only can be convenient protection upper cover 1 and protected the safe handling function of main body 3, but also
It can guarantee the security performance of fixed frame 5.
It is axis connection between one end and protection main body 3 of fixed frame 5, and upper cover 1 is protected in the insertion of 5 other end of fixed frame
With the junction of protection main body 3, it can be convenient the displaying work of fixed frame 5, improve the service efficiency of fixed frame 5, together
When may further ensure that fixed frame 5 protection upper cover 1 and protect main body 3 in stablizing effect.
Movable frame 8 constitutes rotational structure by shaft 9 on the inside of fixed frame 5, and the inside dimensions of fixed frame 5 are big
In the overall dimension of movable frame 8, it can be convenient the replacement before and after movable frame 8 carries out on the inside of fixed frame 5 and show,
The efficient work for improving device also ensures fixed frame 5 in the 8 normal rotary state in inside of movable frame.
Speed display 10 is symmetrically arranged with 2 before and after the upside of fixed frame 5, and speed display 10 and revolving speed pass
To be electrically connected between sensor 12, and the runner 11 in 12 outside of speed probe is ellipse, can show device always
Revolving speed, so as to make study personnel can be apparent that the change of revolving speed, effective assisted learning personnel understand unit simulation
Shift speed change process.
Battery 14 is that electrically input connects by switch 15 and speed display 10, speed probe 12 and motor 13,
It can guarantee speed display 10, speed probe 12 and the normal working condition of motor 13.
Movable axis 16 runs through movable frame 8, and movable axis 16 is left and right bascule on movable frame 8, can make to live
Moving axis 16 can normally and efficiently adapting device simulation shift work, improve the service performance of device.
Rocking bar 17 is controlled between driving wheel group 18, and controls and is connected between rocking bar 17 and movable axis 16 for bearing, it can
To facilitate the 16 carry out activity of manipulation activities axis, the use high efficiency of device is improved.
The equal size of the size of driving wheel group 18 and driven wheel group 19 is arranged successively, and driving wheel group 18 and driven wheel group 19
Size orientation is opposite, it is ensured that normal connection effect between driving wheel group 18 and driven wheel group 19, to protect
Card device simulation shift work is normally carried out.
The working principle of the present embodiment: first when showing device with gear shifting structure using the vehicle teaching convenient for demonstration
First, need for device to be moved to teaching place, can be portable handle 7, carrying device be moved to teaching place, then will protection
Main body 3 is placed into display location, then opens fixing lock 6, can make that upper cover 1 is protected to beat from protection main body 3 by hinge 4
It opens, after protection upper cover 1 and protection main body 3 are opened, fixed frame 5 is propped up inside protection main body 3, fixed frame 5 can be anti-
It stands in shield main body 3, subsequent gear shifting structure can be carried out and show work；
When operating to device, user's one hand can be made to buttress fixed frame 5 and movable frame 8, make 5 He of fixed frame
Movable frame 8 is stablized in a vertical state, and then battery 14 is attached in movable frame 8, turns on the switch 15, battery 14 can simultaneously
For speed display 10, speed probe 12 and motor 13 energization, make speed display 10, speed probe 12 and motor 13 into
Row work, motor 13 drives active wheels 20 to rotate in the operating condition, while active wheels 20 can be made by driving wheel group 18
Driven wheel group 19 is rotated, and the runner 11 of 19 outer end of driven wheel group can also rotate synchronously, while runner 11 rotates,
Speed probe 12 can detect the revolving speed of runner 11, and be shown by speed display 10；
When needing use device to demonstrate shift process, control rocking bar 17 can be held, keeps movable axis 16 left on movable frame 8
It moves right, as shown in Figure 1, making in activity control rocking bar 17, outside is provided with baffle, and marked thereon has 1,2,3 gears, can be with
The variation of gear is appeared clearly from, driving wheel group 18 can be driven to be moved left and right, was moved left and right in driving wheel group 18
Cheng Zhong, active wheels 20 drive driving wheel group 18 always, and the connection between driving wheel group 18 and driven wheel group 19 can change, and pass
It will do it various sizes of connection procedure between driving wheel group 18 and driven wheel group 19, and then change the rotation of driven wheel group 19, together
When due to runner 11 shape, can observe place runner 11 revolving speed change, can also intuitively be seen on speed display 10
The change of revolving speed out, the above simulation process for just completing shift；
In above-mentioned shift simulation process, fixed frame 5 can be held, rotates movable frame 8, it can be so that activity
Frame 8 carries out front and back and shows work, so as to more clearly show the change process of gear shifting structure, in order to learn people
The understanding of member, the content for being above the use process of whole device, and being not described in detail in this specification, such as fixing lock
6, speed display 10, speed probe 12, motor 13, battery 14 and switch 15 belong to professional and technical personnel in the field's public affairs
The prior art known.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (9)
1. a kind of vehicle teaching convenient for demonstration gear shifting structure shows device, including protection upper cover (1), fixing lock (6), revolving speed
Display (10), speed probe (12), motor (13), battery (14) and switch (15), it is characterised in that: the protection upper cover
(1) and being internally provided with protective pad (2) for main body (3) is protected, and protects on rear side of upper cover (1) and protection main body (3) and conjunction is installed
Page (4), and upper cover (1) and protection main body (3) installed in front is protected to have fixing lock (6), it is provided between the protective pad (2)
Fixed frame (5), and one end of fixed frame (5) is connected with protection main body (3), the outer end of protection main body (3) is fixed with
Handle (7) is provided with movable frame (8) on the inside of the fixed frame (5), and the upper and lower sides of movable frame (8) pass through shaft
(9) it is connected with fixed frame (5), speed display (10), the movable frame is installed on the upside of the fixed frame (5)
(8) it is equipped on the outside of runner (11), and is connected with speed probe (12) on the inside of runner (11), and speed probe
(12) it is fixed on movable frame (8), is fixed with motor (13) on the outside of the movable frame (8), and the front end of motor (13)
It is equipped with active wheels (20), the edge on the inside of the movable frame (8) is fixed with battery (14) and switch (15), the work
The centre of dynamic frame (8), which is run through, to be had movable axis (16), and control rocking bar (17) and driving wheel group are equipped on movable axis (16)
(18), be connected with driven wheel group (19) and active wheels (20) on the outside of the driving wheel group (18), and driven wheel group (19) with
Axis connection between runner (11).
2. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The protection upper cover (1) and protection main body (3) are made up of hinge (4) overturns structure, and protects upper cover (1) and protection main body
(3) it is to be fixedly connected by fixing lock (6), protects upper cover (1) and protect the size between the protective pad (2) on the inside of main body (3)
Less than the thickness of fixed frame (5).
3. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
It is axis connection between one end and protection main body (3) of the fixed frame (5), and in the insertion protection of fixed frame (5) other end
It covers (1) and protects the junction of main body (3).
4. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The movable frame (8) constitutes rotational structure, and the inside ruler of fixed frame (5) by shaft (9) on the inside of fixed frame (5)
The very little overall dimension greater than movable frame (8).
5. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The speed display (10) is symmetrically arranged with 2, and speed display (10) and revolving speed before and after the upside of fixed frame (5)
To be electrically connected between sensor (12), and the runner (11) on the outside of speed probe (12) is ellipse.
6. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The battery (14) is electrical input by switch (15) and speed display (10), speed probe (12) and motor (13)
Connection.
7. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The movable axis (16) runs through movable frame (8), and movable axis (16) is left and right bascule on movable frame (8).
8. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The control rocking bar (17) is located between driving wheel group (18), and controls and connect between rocking bar (17) and movable axis (16) for bearing
It connects.
9. a kind of vehicle teaching convenient for demonstration according to claim 1 shows device with gear shifting structure, it is characterised in that:
The equal size of size of the driving wheel group (18) and driven wheel group (19) is arranged successively, and driving wheel group (18) and driven wheel group
(19) size orientation is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447968.1A CN110009990A (en) | 2019-05-27 | 2019-05-27 | A kind of gear shifting structure displaying device of the vehicle teaching convenient for demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447968.1A CN110009990A (en) | 2019-05-27 | 2019-05-27 | A kind of gear shifting structure displaying device of the vehicle teaching convenient for demonstration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110009990A true CN110009990A (en) | 2019-07-12 |
Family
ID=67177917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910447968.1A Pending CN110009990A (en) | 2019-05-27 | 2019-05-27 | A kind of gear shifting structure displaying device of the vehicle teaching convenient for demonstration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110009990A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503664U (en) * | 2009-05-13 | 2010-06-09 | 浙江工业大学 | Automobile automatic shift demonstration system |
| KR20140032233A (en) * | 2012-09-06 | 2014-03-14 | 김조권 | Speed adjustable assembly car for learning |
| CN204117482U (en) * | 2014-08-26 | 2015-01-21 | 武汉商学院 | A kind of vehicle manual three grades of shift speed change demonstration teaching aids |
| CN107967828A (en) * | 2018-01-02 | 2018-04-27 | 深圳达芬奇创新科技有限公司 | A kind of portable multimedia teaching auxiliary device |
| CN108346364A (en) * | 2017-12-14 | 2018-07-31 | 湖南邦普汽车循环有限公司 | A kind of abandoned car speed changer Demonstration table |
| CN207707664U (en) * | 2017-06-12 | 2018-08-10 | 湖南工艺美术职业学院 | A kind of exhibition design is with independently introducing device |
| CN207977045U (en) * | 2018-03-22 | 2018-10-16 | 内蒙古农业大学职业技术学院 | A kind of manual gear of vehicle gear shift operation principle demonstration teaching aid |
| CN208479799U (en) * | 2018-05-21 | 2019-02-05 | 南京近道电子技术有限公司 | Production of film and TV display device |
-
2019
- 2019-05-27 CN CN201910447968.1A patent/CN110009990A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503664U (en) * | 2009-05-13 | 2010-06-09 | 浙江工业大学 | Automobile automatic shift demonstration system |
| KR20140032233A (en) * | 2012-09-06 | 2014-03-14 | 김조권 | Speed adjustable assembly car for learning |
| CN204117482U (en) * | 2014-08-26 | 2015-01-21 | 武汉商学院 | A kind of vehicle manual three grades of shift speed change demonstration teaching aids |
| CN207707664U (en) * | 2017-06-12 | 2018-08-10 | 湖南工艺美术职业学院 | A kind of exhibition design is with independently introducing device |
| CN108346364A (en) * | 2017-12-14 | 2018-07-31 | 湖南邦普汽车循环有限公司 | A kind of abandoned car speed changer Demonstration table |
| CN107967828A (en) * | 2018-01-02 | 2018-04-27 | 深圳达芬奇创新科技有限公司 | A kind of portable multimedia teaching auxiliary device |
| CN207977045U (en) * | 2018-03-22 | 2018-10-16 | 内蒙古农业大学职业技术学院 | A kind of manual gear of vehicle gear shift operation principle demonstration teaching aid |
| CN208479799U (en) * | 2018-05-21 | 2019-02-05 | 南京近道电子技术有限公司 | Production of film and TV display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110009990A (en) | A kind of gear shifting structure displaying device of the vehicle teaching convenient for demonstration | |
| CN108550300A (en) | A kind of teaching aid for mathematical thinking training | |
| CN201796526U (en) | Multifunctional frictional force demonstrating apparatus | |
| CN202331917U (en) | Multiplication teaching toy | |
| CN211653963U (en) | Automobile driving simulation mechanism | |
| CN214587496U (en) | Teaching aid for teaching and demonstrating primary school science | |
| CN106993888A (en) | Examination platform and its application method for computer examination | |
| CN205083098U (en) | Display device is stored to computer science and technology teaching sample | |
| CN206773967U (en) | A kind of simulative automobile teaching demonstrating board | |
| CN201022026Y (en) | Rotation demonstration instrument | |
| CN209489792U (en) | A kind of physics experiments of high school sample display device | |
| CN207799967U (en) | A kind of Real Estate Economy teaching sand table support device | |
| CN207441043U (en) | Mathematical studying instrument | |
| CN202058339U (en) | Primary school mathematics addition and subtraction demonstration device | |
| CN216053729U (en) | Humanistic intention propaganda device with third dimension folk-custom sports tourism | |
| CN210777230U (en) | Whole car energy management demonstrating board of new forms of energy electric automobile | |
| CN213815163U (en) | Word exercise equipment for english education | |
| CN219626196U (en) | Grabbing mechanism of mobile robot | |
| CN214623990U (en) | Teenage artificial intelligence course education is with removing show platform | |
| CN212032374U (en) | Learning machine for children | |
| CN214847197U (en) | Storage battery car principle maintenance study analogue means | |
| CN206881087U (en) | A kind of o toy | |
| CN212873804U (en) | Centrifugal force demonstration instrument | |
| CN213688415U (en) | Environmental protection monitoring facilities | |
| CN215577060U (en) | Course teaching device for presenting multi-view images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190712 |
|
| RJ01 | Rejection of invention patent application after publication |