CN209525765U - A kind of intelligent tutoring apparatus for demonstrating - Google Patents
A kind of intelligent tutoring apparatus for demonstrating Download PDFInfo
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- CN209525765U CN209525765U CN201820942176.2U CN201820942176U CN209525765U CN 209525765 U CN209525765 U CN 209525765U CN 201820942176 U CN201820942176 U CN 201820942176U CN 209525765 U CN209525765 U CN 209525765U
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- vertical
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- horizontal
- supporting plates
- intelligent tutoring
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Abstract
The utility model discloses a kind of intelligent tutoring apparatus for demonstrating, including slat supporting plates, intelligent tutoring demonstration mechanism is set on the slat supporting plates, the slat supporting plates lower surface sets support mobile mechanism；Beneficial effect, one kind is fixed well, convenient for carrying out movement appropriate by control and stretching the area of adjustment display screen, convenient for rotating angle appropriate, so that observation is convenient, it is also convenient for being adjusted upper and lower shift position, so that convenient for the device in the suitable viewing orientation of the influence adjustment with external environment.
Description
Technical field
The utility model relates to teaching demonstration fields, more specifically to a kind of intelligent tutoring apparatus for demonstrating.
Background technique
Teaching demonstration is exactly on the screen cloth that the content that will be imparted knowledge to students is shown, convenient for expanding observation easily.
In teaching, teacher will teach some knowledge of students, since the student's ratio in each class collectivity is more, in order to make
Obtain all students observations conveniently, in tradition, teacher can carry out graphing or knowledge point on blackboard, with scientific and technological continuous
Development, people also gradually use multimedia teaching in teaching field, but the screen of traditional multimedia teaching projection
The area of cloth be it is fixed, the angle of observation is also fixed so that under extraneous different sunlight irradiation, certain angles
It is reflective, it has not been convenient to what classmates were observed, need classmates to be adjusted position automatically, the trouble compared, Er Qiexian
Show limited area, the certain information of projection that can only be fixed every time, continuous page turning back and forth and more troublesome, therefore be
It solves these problems, to design a kind of teaching demonstration device of adjustment be necessary.
Utility model content
To solve the above problems, the utility model adopts the following technical scheme.
A kind of intelligent tutoring apparatus for demonstrating, including slat supporting plates set intelligent tutoring demonstration machine on the slat supporting plates
Structure, the slat supporting plates lower surface set support mobile mechanism, and intelligent tutoring demonstration mechanism is by being sleeved on slat supporting plates
On sliding rack, be arranged in above sliding rack horizontal shore, setting horizontal shore lower surface and with table on sliding rack
Elevating mechanism between face, through horizontal shore upper surface one end support post, be fixedly connected on horizontal shore following table
Face and the vertical support rod being located on rear side of support post, the vertical rotating turret being sleeved on vertical support rod, to be inlaid in support vertical
Column side surface and be located at horizontal shore above annulus sliding rail, be arranged on annulus sliding rail automatically controlled movable block, be fixedly connected
In automatically controlled movable block side surface and folding shape fixed link between vertical rotating turret upper surface, processing are in vertical rotating turret front surface
One group of vertical bar shaped slot, be arranged in each vertical bar shaped slot vertical supporting block, be fixedly connected on vertical rotating turret
Two groups of horizontal hydraulic pressure mandrils at the opposite place in upper and lower side side surface and position, the right angle being sleeved on every group of horizontal hydraulic pressure mandril end face
N shape support frame, the roller for being sleeved on each right angle n shape support frame, be sleeved on each roller and with corresponding vertical supporting block
What the display screen cloth between front surface collectively formed, side surface one end of the slat supporting plates is embedded in controller, the control
Device processed is demonstrated automatically controlled movable block and horizontal hydraulic pressure mandril in mechanism with intelligent tutoring respectively by conducting wire and is electrically connected.
The elevating mechanism is by being fixedly connected on the horizontal fixed plate of sliding rack upper surface, being inlaid in table on horizontal fixed plate
Three vertical hydraulic mandrils in face are sleeved on each vertical hydraulic mandril upper surface and the folding shape between horizontal shore is fixed
What frame collectively formed, the controller is electrically connected with vertical hydraulic mandril respectively by conducting wire.
The support mobile mechanism is by being inlaid in the horizontal sliding rail at slat supporting plates lower surface center, being arranged in horizontal cunning
The automatically controlled sliding shoe in rail lower surface is fixedly connected on the surface of automatically controlled sliding shoe two opposite sides and is connected with sliding rack both ends of the surface
Support base, is arranged on each fixed frame one group of fixed frame being fixedly connected in slat supporting plates left and right ends
One group of Hanging bolt collectively form, the controller is electrically connected by conducting wire and automatically controlled sliding shoe.
By fixed hanger bracket connection between each horizontal hydraulic pressure mandril and vertical rotating turret, often fixed with respect to one group
Cross brace is set between hanger bracket.
It is set with vertical stretch rod on the lower end surface of the vertical support rod, is set with and stretches on the vertical stretch rod lower end surface
Spring, the extension spring lower end surface suit roll over shape fixed arm, horizontal rolling wheel are set on the folding shape fixed arm, described in one group
The end face of display screen cloth mutually overlaps.
The support post upper surface suit supports round block, and the sliding of processing annulus is recessed at the support round block side surface center
Slot sets rotating block in the annulus sliding recess, is fixedly connected between the rotating block front surface and automatically controlled movable block upper surface
Support rod No.1, suit folding shape frame in the support rod No.1 are set with headlamp on the folding shape frame, and the controller, which passes through, leads
Line and headlamp are electrically connected, and the diameter of the support round block is greater than the diameter of support post.
The vertical rotating turret lower end side surface and be located at display screen cloth below be fixedly connected with support annulus, the support
Annulus lower surface and position are fixedly connected with level with respect to place and roll over shape frame, and the folding of level described in one group shape frame upper surface sets bar shaped carrying
Basket.
Pass through one group of rolling bearing connection between each roller and corresponding right angle n shape support frame.
The slat supporting plates upper surface and it is embedded in commercial power interface with controller corresponding section, the controller passes through conducting wire
It is electrically connected with commercial power interface.
One end is set with protection corresponding with commercial power interface and controller and limits shell on the slat supporting plates.
Beneficial effect, one kind are fixed well, convenient for carrying out movement appropriate by control and stretching adjustment display screen
Area, so that observation is convenient, is also convenient for being adjusted upper and lower shift position convenient for rotating angle appropriate so that convenient for
The device in the suitable viewing orientation of influence adjustment of external environment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligent tutoring apparatus for demonstrating of the utility model；
Fig. 2 is a kind of top view of intelligent tutoring apparatus for demonstrating of the utility model；
Fig. 3 is a kind of partial cross-sectional front view of intelligent tutoring apparatus for demonstrating of the utility model；
Fig. 4 is a kind of partial elevation view of intelligent tutoring apparatus for demonstrating of the utility model；
Fig. 5 be a kind of intelligent tutoring apparatus for demonstrating of the utility model in right angle n shape support frame, roller, display screen cloth and
The partial top view that rolling bearing matches；
Figure label explanation: 1, slat supporting plates；2, sliding rack；3, horizontal shore；4, support post；5, vertical support
Bar；6, vertical rotating turret；7, annulus sliding rail；8, automatically controlled movable block；9, shape fixed link is rolled over；10, vertical supporting block；11, horizontal liquid
Bear down on one bar；12, right angle n shape support frame；13, roller；14, display screen cloth；15, controller；16, horizontal fixed plate；17, vertical
Hydraulic mandril；18, shape fixed frame is rolled over；19, horizontal sliding rail；20, automatically controlled sliding shoe；21, support base；22, fixed frame；
23, Hanging bolt；24, fixed hanger bracket；25, cross brace；26, vertical stretch rod；27, extension spring；28, folding shape is fixed
Arm；29, horizontal rolling wheel；30, round block is supported；31, rotating block；32, support rod No.1；33, shape frame is rolled over；34, headlamp；35,
Support annulus；36, horizontal folding shape frame；37, bar shaped carries basket；38, rolling bearing；39, commercial power interface；40, protection limit shell.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe；Obviously；The described embodiments are only a part of the embodiments of the utility model；Rather than whole
Embodiment.Based on the embodiments of the present invention；Those of ordinary skill in the art are without making creative work
Every other embodiment obtained；It fall within the protection scope of the utility model.
Fig. 1-5, a kind of intelligent tutoring apparatus for demonstrating, including slat supporting plates 1 are please referred to, are set on the slat supporting plates 1
Mechanism is demonstrated in intelligent tutoring, and 1 lower surface of slat supporting plates sets support mobile mechanism, and intelligent tutoring demonstration mechanism is by covering
Sliding rack 2 on slat supporting plates 1, is arranged under horizontal shore 3 horizontal shore 3 being arranged in above sliding rack 2
Surface and the elevating mechanism between 2 upper surface of sliding rack, the support post 4 through 3 upper surface one end of horizontal shore, fixation
It is connected to 3 lower surface of horizontal shore and is located at the vertical support rod 5 of 4 rear side of support post, is sleeved on vertical support rod 5
Vertical rotating turret 6, is arranged in annulus the annulus sliding rail 7 for being inlaid in 4 side surface of support post and being located at 3 top of horizontal shore
Automatically controlled movable block 8 on sliding rail 7 is fixedly connected on automatically controlled 8 side surface of movable block and the folding between vertical 6 upper surface of rotating turret
Shape fixed link 9, processing vertical 6 front surface of rotating turret one group of vertical bar shaped slot, be arranged in each vertical bar shaped slot
Vertical supporting block 10, be fixedly connected on two groups of horizontal hydraulic pressure tops at the opposite place in vertical 6 upper and lower side side surface of rotating turret and position
Bar 11, is sleeved on each right angle n shape support frame at the right angle n shape support frame 12 being sleeved on every group of 11 end face of horizontal hydraulic pressure mandril
12 roller 13 is sleeved on each roller 13 and display screen cloth 14 between corresponding vertical 10 front surface of supporting block is total
With what is constituted, side surface one end of the slat supporting plates 1 is embedded in controller 15, the controller 15 by conducting wire respectively with intelligence
Automatically controlled movable block 8 and horizontal hydraulic pressure mandril 11 are electrically connected in energy teaching demonstration mechanism;The elevating mechanism is by being fixedly connected on
The horizontal fixed plate 16 of 2 upper surface of sliding rack, three vertical hydraulic mandrils 17 for being inlaid in 16 upper surface of horizontal fixed plate, suit
In each 17 upper surface of vertical hydraulic mandril and the folding shape fixed frame 18 between horizontal shore 3 collectively forms, described
Controller 15 is electrically connected with vertical hydraulic mandril 17 respectively by conducting wire;The support mobile mechanism is by being inlaid in bar shaped support
Horizontal sliding rail 19 at 1 lower surface center of plate, setting the automatically controlled sliding shoe 20 in horizontal 19 lower surface of sliding rail, be fixedly connected on it is automatically controlled
The support base 21 that is connected on 20 two opposite sides surface of sliding shoe and with 2 both ends of the surface of sliding rack is fixedly connected on bar shaped support
One group of fixed frame 22 in 1 left and right ends of plate, the common structure of one group of Hanging bolt 23 being arranged on each fixed frame 22
At, the controller 15 is electrically connected by conducting wire and automatically controlled sliding shoe 20;Each horizontal hydraulic pressure mandril 11 with it is vertical
It is connected between rotating turret 6 by fixed hanger bracket 24, often sets cross brace 25 between with respect to one group fixed hanger bracket 24;It is described
It is set with vertical stretch rod 26 on the lower end surface of vertical support rod 5, is set with extension spring 27 on vertical 26 lower end surface of stretch rod,
27 lower end surface of the extension spring suit rolls over shape fixed arm 28, suit horizontal rolling wheel 29 on the folding shape fixed arm 28, and one group
The end face of the display screen cloth 14 mutually overlaps;4 upper surface of the support post suit support round block 30, the support round block 30
Annulus sliding recess is processed at the center of side surface, sets rotating block 31,31 front surface of rotating block in the annulus sliding recess
Support rod No.1 32 is fixedly connected between automatically controlled 8 upper surface of movable block, suit folding shape frame 33, institute in the support rod No.1 32
It states and is set with headlamp 34 on folding shape frame 33, the controller 15 is electrically connected by conducting wire and headlamp 34, the support round block
30 diameter is greater than the diameter of support post 4;The 6 lower end side surface of vertical rotating turret and it is located at solid below display screen cloth 14
Fixed connection support annulus 35,35 lower surface of support annulus and position are fixedly connected with horizontal folding shape frame 36, one group of institute with respect to place
It states horizontal folding 36 upper surface of shape frame and sets bar shaped carrying basket 37;Between each roller 13 and corresponding right angle n shape support frame 12
It is connected by one group of rolling bearing 38;1 upper surface of slat supporting plates and with 15 corresponding section of controller be embedded in commercial power interface
39, the controller 15 is electrically connected by conducting wire and commercial power interface 39;One end suit connects with alternating current on the slat supporting plates 1
Mouth 39 and the corresponding protection of controller 15 limit shell 40.
Working principle: two relays are installed first at the present apparatus free time, the model STC89C52 of controller 15 will
Four output terminals of the model controller 15 by conducting wire respectively with two relays, automatically controlled movable block 8 and headlamp 34
Input terminal connection, those skilled in the art are in the electromagnetism that two relays and horizontal hydraulic pressure mandril 11 and vertical hydraulic mandril 17 are included
Valve connection, the output end at commercial power interface 39 is attached by the power connection end of conducting wire and controller 15.Those skilled in the art are logical
After crossing the programming of controller 15, the job order of the fully controllable each electrical part of system, the specific working principle is as follows: using this device
When, each slat supporting plates 11 of this device are overlapped at the upper surface of blackboard, wherein will be located in 1 both ends of the surface of slat supporting plates
One group of fixed frame 22 overlapped metope on so that the one group of Hanging bolt 23 and metope that are located in each fixed frame 22 into
Row connection, so that this device is fixed well, wherein the sliding rack 2 for being located at 1 upper surface of slat supporting plates is convenient in slat supporting plates 1
On moved, wherein the horizontal shore 3 for being located at the top of sliding rack 2 is attached by elevating mechanism, be also convenient for into
Row movement, so that one group of display screen cloth 14 for being located at 3 lower section front side of horizontal shore is moved, convenient for according to actual sight
It examines situation and is adjusted position, wherein each display screen cloth 14 passes through roller 13 and corresponding right angle n shape support frame 12
It is attached, each right angle n shape support frame 12 is connected by one group of horizontal hydraulic pressure mandril 11 and vertical 6 side surface of rotating turret
Connect, one group of vertical supporting block 10 positioned at vertical 6 front surface of rotating turret be for fixed corresponding 14 one end of display screen cloth,
Each display screen cloth 14 on corresponding roller 13 convenient for being rotated, convenient for passing through control, so that each horizontal hydraulic pressure
Mandril 11 carries out horizontal extension appropriate, when being stretched, due to one end of each display screen cloth 14 be it is motionless,
Convenient for being conveniently adjusted each display so that the other end carries out scrolling appropriate on corresponding roller 13 by horizontal stretch
The area that screen cloth 14 is shown, wherein vertical rotating turret 6 is carried out by vertical support rod 5 with 3 lower surface of horizontal shore
Connection, vertical rotating turret 6 can be rotated on vertical support rod 5, when being rotated, by control, so that electric controlled sliding
Motion block 8 is rotated on corresponding annulus sliding rail 7, by the folding shape fixed link 9 between vertical rotating turret 6, convenient for making
Vertical rotating turret 6 rotated together with automatically controlled movable block 8, convenient for it is appropriate adjustment display screen cloth 14 rotational angle,
Wherein annulus sliding rail 7 is attached by support post 4 and 3 upper surface of horizontal shore, the control on slat supporting plates 1
Device 15 is convenient for the work of the electrical components in this device of control, and wherein three in elevating mechanism vertical hydraulic mandril 17 is convenient for logical
It crosses control to be gone up and down, so that display screen cloth 14 is gone up and down, wherein three vertical hydraulic mandrils 17 pass through horizontal fixed plate
16 are attached with 2 upper surface of sliding rack, and each vertical hydraulic mandril 17 passes through folding shape fixed frame 18 and horizontal shore 3
Between be attached, wherein sliding rack 2 can be moved on slat supporting plates 1, by control securing bar shaped support
When 1 both ends of plate, so that automatically controlled sliding shoe 20 is moved on the horizontal sliding rail 19 for being located at 1 lower surface of slat supporting plates, it is located at
One group of support base 21 being connected on automatically controlled 20 two opposite sides surface of sliding shoe and with 2 side surface of sliding rack is slided convenient for pulling
Moving frame 2 is automatically moved on slat supporting plates 1, wherein making automatically controlled 20 lower surface of sliding shoe that can also be overlapped on blackboard
Upper surface, convenient for being moved on blackboard, each horizontal hydraulic pressure mandril 11 passes through fixed hanger bracket 24 and vertical rotating turret 6
Between be attached so that stable connection, often the cross brace 25 between with respect to one group fixed hanger bracket 24 is easy to support, position
It is convenient for stretching in the vertical stretch rod 26 on vertical 5 lower end surface of support rod, the extension spring 27 on lower end surface is convenient for
Assisting tension, so that the folding shape fixed arm 28 being located on 27 lower end surface of extension spring is overlapped on the lower surface of blackboard, so that being located at
The horizontal rolling wheel 29 for rolling over 28 lower surface of shape fixed arm contacts the lower surface of blackboard, so that automatically controlled sliding shoe 20 is being moved
When, so that horizontal roller wheel 29 carries out extruding sliding in the lower surface of blackboard, the support round block 30 positioned at 4 upper surface of support post
Convenient for limitation, the rotating block 31 on support 30 side surface of round block is convenient for following automatically controlled movable block by support rod No.1 32
8 rotation is moved, so that rotating block 31 is rotated in corresponding annulus sliding recess, so that being located at support rod one
Folding shape frame 33 on numbers 32 follows movement, so that the headlamp 34 for being located at folding 33 upper surface of shape frame is illuminated by control, just
In following rotation direction to be illuminated, the support annulus 35 positioned at vertical 6 lower end of rotating turret rolls over shape frame convenient for fixing one group of level
36, convenient for overlap joint bar shaped carrying basket 37, bar shaped carries convenient for placing article in basket 37 one group of level folding shape frame 36, wherein
Each roller 13 between one group of rolling bearing 38 and corresponding right angle n shape support frame 12 by being attached, convenient for rotation
Convenient, the commercial power interface 39 on slat supporting plates 1 is convenient at work, powering on, to the electrical components in this device
Power supply is provided, on slat supporting plates 1 and protection corresponding with controller 15 and commercial power interface 39 limit shell 40 is convenient for
It is protected, wherein using one piece of eight AT89S52 as control core power source inside the electric controlled sliding motion block 8,
Special chip group is driven using integrated micro-step motor.
It is described above；The only preferable specific embodiment of 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；It is practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the protection scope of the utility model
It is interior.
Claims (10)
1. a kind of intelligent tutoring apparatus for demonstrating, which is characterized in that including slat supporting plates (1), set on the slat supporting plates (1)
Mechanism is demonstrated in intelligent tutoring, and slat supporting plates (1) lower surface sets support mobile mechanism, intelligent tutoring demonstration mechanism by
It is sleeved on sliding rack (2) on slat supporting plates (1), the horizontal shore (3) being arranged above sliding rack (2), is arranged in water
Flat support frame (3) lower surface and elevating mechanism between sliding rack (2) upper surface run through horizontal shore (3) upper surface one
The support post (4) at end, the vertical support for being fixedly connected on horizontal shore (3) lower surface and being located on rear side of support post (4)
Bar (5), the vertical rotating turret (6) being sleeved on vertical support rod (5) are inlaid in support post (4) side surface and are located at level
Annulus sliding rail (7) above support frame (3), the automatically controlled movable block (8) being arranged on annulus sliding rail (7), be fixedly connected on it is automatically controlled
Movable block (8) side surface and folding shape fixed link (9) between vertical rotating turret (6) upper surface, processing are in vertical rotating turret (6)
The vertical bar shaped slot of one group of front surface, is fixedly connected on the vertical supporting block (10) being arranged in each vertical bar shaped slot
Two groups of horizontal hydraulic pressure mandrils (11) at the opposite place in vertical rotating turret (6) upper and lower side side surface and position are sleeved on every group of horizontal liquid
Bear down on one the right angle n shape support frame (12) on bar (11) end face, the roller (13) for being sleeved on each right angle n shape support frame (12), set
Display screen cloth (14) on each roller (13) and between corresponding vertical supporting block (10) front surface collectively forms
, side surface one end of the slat supporting plates (1) is embedded in controller (15), the controller (15) by conducting wire respectively with intelligence
Automatically controlled movable block (8) and horizontal hydraulic pressure mandril (11) are electrically connected in energy teaching demonstration mechanism.
2. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that the elevating mechanism is by the company of fixation
Connect sliding rack (2) upper surface horizontal fixed plate (16), be inlaid in three vertical hydraulics of horizontal fixed plate (16) upper surface
Mandril (17) is sleeved on each vertical hydraulic mandril (17) upper surface and the folding shape fixed frame between horizontal shore (3)
(18) it collectively forms, the controller (15) is electrically connected with vertical hydraulic mandril (17) respectively by conducting wire.
3. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that the support mobile mechanism is by embedding
Horizontal sliding rail (19), setting at slat supporting plates (1) lower surface center is in the automatically controlled sliding in horizontal sliding rail (19) lower surface
Block (20), the support for being fixedly connected on automatically controlled sliding shoe (20) two opposite sides surface and being connected with sliding rack (2) both ends of the surface
Pedestal (21), is arranged in each fixation one group of fixed frame (22) being fixedly connected in slat supporting plates (1) left and right ends
What one group of Hanging bolt (23) on frame (22) collectively formed, the controller (15) passes through conducting wire and automatically controlled sliding shoe (20)
It is electrically connected.
4. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that each horizontal hydraulic pressure mandril
(11) it is connect between vertical rotating turret (6) by fixed hanger bracket (24), is often set between with respect to one group fixed hanger bracket (24)
Cross brace (25).
5. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that the vertical support rod (5)
It is set on lower end surface vertical stretch rod (26), is set with extension spring (27) on vertical stretch rod (26) lower end surface, the drawing
Spring (27) lower end surface suit folding shape fixed arm (28) is stretched, is set with horizontal rolling wheel (29) on the folding shape fixed arm (28), one
The end face of the group display screen cloth (14) mutually overlaps.
6. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that support post (4) upper end
Surface cover dress supports round block (30), and annulus sliding recess, the annulus sliding are processed at support round block (30) the side surface center
It is set in groove rotating block (31), is fixedly connected with support between rotating block (31) front surface and automatically controlled movable block (8) upper surface
Bar No.1 (32), suit folding shape frame (33) on the support rod No.1 (32), suit headlamp (34) on the folding shape frame (33),
The controller (15) is electrically connected by conducting wire and headlamp (34), and the diameter of support round block (30) is greater than support post
(4) diameter.
7. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that under the vertical rotating turret (6)
End side surface and be located at display screen cloth (14) below be fixedly connected support annulus (35), the support annulus (35) lower surface and
Position is fixedly connected with horizontal folding shape frame (36) with respect to place, and the folding of level described in one group shape frame (36) upper surface sets bar shaped carrying basket
(37).
8. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that each roller (13) and institute
Pass through one group of rolling bearing (38) connection between corresponding right angle n shape support frame (12).
9. a kind of intelligent tutoring apparatus for demonstrating according to claim 1, which is characterized in that on the slat supporting plates (1)
Surface and with controller (15) corresponding section be embedded in commercial power interface (39), the controller (15) pass through conducting wire and commercial power interface
(39) it is electrically connected.
10. according to claim 1 or a kind of intelligent tutoring apparatus for demonstrating described in 9, which is characterized in that the slat supporting plates
(1) one end is set with protection limit shell (40) corresponding with commercial power interface (39) and controller (15) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942176.2U CN209525765U (en) | 2018-06-19 | 2018-06-19 | A kind of intelligent tutoring apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942176.2U CN209525765U (en) | 2018-06-19 | 2018-06-19 | A kind of intelligent tutoring apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525765U true CN209525765U (en) | 2019-10-22 |
Family
ID=68212258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942176.2U Expired - Fee Related CN209525765U (en) | 2018-06-19 | 2018-06-19 | A kind of intelligent tutoring apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428374A (en) * | 2018-06-19 | 2018-08-21 | 华北理工大学 | A kind of intelligent tutoring apparatus for demonstrating |
-
2018
- 2018-06-19 CN CN201820942176.2U patent/CN209525765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428374A (en) * | 2018-06-19 | 2018-08-21 | 华北理工大学 | A kind of intelligent tutoring apparatus for demonstrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20200619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |