CN107713435B - The teaching appliance of multidirectional adjusting - Google Patents
The teaching appliance of multidirectional adjusting Download PDFInfo
- Publication number
- CN107713435B CN107713435B CN201711078277.6A CN201711078277A CN107713435B CN 107713435 B CN107713435 B CN 107713435B CN 201711078277 A CN201711078277 A CN 201711078277A CN 107713435 B CN107713435 B CN 107713435B
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- fixed
- shell
- block
- fixing axle
- cover plate
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- Transmission Devices (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The teaching appliance of multidirectional adjusting, it is fixed to solve existing blackboard, the problem of cannot achieve the demand of student's study of heel row and side, it includes shell, shell lower end is rotatably fixed in terminal pad, supporting table is fixed with below terminal pad, pedestal is equipped with below supporting table, screw axis is rotatably equipped on pedestal, shell is fixed with outer gear ring on the outside of lower end, gear is engaged on the outside of outer gear ring, the rotation of shell upper end is equipped with upper cover plate, fixing axle is equipped in shell, the lower end of fixing axle passes through lower cover plate and is fixedly connected with terminal pad, housing internal threads are connected with nut block, slider disc is equipped between nut block and fixing axle, slider disc vertical sliding in fixing axle, slider disc activity is connected on the inside of nut block, guide rod is fixed at nut block top edges, guide rod upper end passes through upper cover plate, support plate is hinged with above upper cover plate , the right end of support plate is fixed with blackboard, and guide rod is slidably connected with support plate.
Description
Technical field
The invention belongs to teaching equipment fields, more particularly to a kind of teaching appliance of multidirectional adjusting.
Background technique
Blackboard is applied to plank, the hard body surface such as cement, to the ink glass of the nineties with blacking from earliest
Glass, color coated steel sheet, composite panel etc. have witnessed the development step by step of world's educational undertaking, have conveyed knowledge for the mankind, popularize religion
It educates, has made distinctions won on the battlefield.The type of existing blackboard also starts to become complicated multiplicity, is divided into blackboard in color, green plate, blank etc.,
It is divided into surface plate in shape from color, cambered plate is divided into bracket movable plate from structure composition, draw back plate, and lifter plate is magnetic black
Plate is divided into blackboard for education from purposes, blank of handling official business, billboard, display board, and blackboard for education has electronic blackboard, multi-functional
Compoboard, combination push-and-pull blackboard, interactive electric whiteboard, band curtain projection plate etc..
The blackboard that school uses at present is fixed, and height cannot be adjusted, teacher or for different heights
Raw use is all not very convenient, and some students, since the angle at seat or reflective problem cannot see the content on blackboard clearly,
It brings inconvenience.
Summary of the invention
For above situation, to overcome the shortcomings of existing technologies, the present invention provides a kind of teaching appliance of multidirectional adjusting, effectively
Solve that existing blackboard is fixed, cannot achieve blackboard up and down adjustment and because seat angle or it is reflective do not see it is black
On plate the problem of content.
Its technical solution solved is that the present invention includes cylindrical shell, and the shell lower end is fixed with lower cover plate, under
Terminal pad is equipped with below cover board, lower cover plate is rotatably fixed in terminal pad, is fixed with supporting table, supporting table below terminal pad
Lower section is equipped with pedestal, and multi-filament bar axis is rotatably equipped on pedestal, and screw axis upper end is run through supporting table, be can be rotated in supporting table
Be equipped with link block, link block is threadedly coupled with screw axis, and friction block there are two fixations on link block, two friction blocks are about mistake
The perpendicular of screw axis axis is symmetrical, and the right end of friction block is hingedly fixed with link block, and the left end of friction block is connected with first
Boss, two first boss are fixed through the first screws spiral, and the thread rotary orientation at the first screw both ends is opposite；
It is fixed with outer gear ring on the outside of shell lower end, the tooth being rotatably connected with screw axis is engaged on the outside of outer gear ring
It takes turns, the upper end of screw axis passes through gear, and gear is interior there are two drag ring, and two drag rings are put down about the vertical of screw axis axis is crossed
Face is symmetrical, and the right end of drag ring is hingedly fixed with gear, and the left end of drag ring is connected with second boss, and two second boss are through
Two bolt spirals are fixed, and the thread rotary orientation at the second bolt both ends is on the contrary, be evenly distributed in multiple small sircle holes, supporting table pair on gear
It answers the position of small sircle hole to be equipped with corresponding aperture, pin shaft is fitted between small sircle hole and corresponding aperture；
The rotation of shell upper end is equipped with upper cover plate, and the fixing axle being rotatablely connected with upper cover plate and lower cover plate is equipped in shell, Gu
The lower end of dead axle passes through lower cover plate and is fixedly connected with terminal pad, and housing internal threads are connected with nut block, nut block and fixing axle it
Between be equipped with slider disc, slider disc vertical sliding in fixing axle, slider disc activity is connected on the inside of nut block, side above nut block
Guide rod is fixed at edge, guide rod upper end passes through upper cover plate；
It is hinged with support plate above upper cover plate, the right end of support plate is fixed with blackboard, and guide rod is slidably connected with support plate；
Locking bar is equipped in slider disc, locking bar lower end rotates be fixed in fixing axle vertically, the rotation fixation of locking bar upper end
In fixing axle, the lock cam being socketed in outside locking bar is equipped in slider disc, lock cam is rotated together with locking bar, in nut block
Circumference is equipped with the first locking slot, offers the second locking slot with lock cam corresponding position on fixing axle outer wall.
Present inventive concept is ingenious, structure novel, passes through link block, friction block, first boss, the first bolt, drag ring,
Two boss and the second bolt realize connecting or disconnecting for power, internal with spiral shell equipped with having to switch the lifting or rotation of blackboard
The shell of line, the nut block being threadedly coupled with shell realize the lock of nut block and slider disc by first motor and lock cam
Tightly, the vertical lifting for being converted into nut block of shell, and adjusted by the pitch angle that support plate is converted into blackboard.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the portion A enlarged diagram in Fig. 1.
Fig. 3 is the portion B enlarged diagram in Fig. 1.
Fig. 4 is A direction view in Fig. 3.
Fig. 5 is the portion C enlarged diagram in Fig. 1.
Fig. 6 is A direction view in Fig. 5.
Fig. 7 is the portion D enlarged diagram in Fig. 1.
Fig. 8 is A-A cross-sectional view in Fig. 1.
Fig. 9 is the portion E enlarged diagram in Fig. 1.
Figure 10 is B-B cross-sectional view in Fig. 1.
Specific embodiment
A specific embodiment of the invention is described in further details below in conjunction with attached drawing 1-10.
It is provided by Fig. 1-10, the present invention includes cylindrical shell 1, and 1 lower end of shell is fixed with lower cover plate 2, lower cover
Terminal pad 3 is equipped with below plate 2, lower cover plate 2 is rotatably fixed in terminal pad 3, and supporting table 4 is fixed with below terminal pad 3, is propped up
It supports and is equipped with pedestal 5 below platform 4, multi-filament bar axis 6 is rotatably equipped on pedestal 5, supporting table 4, support are run through in 6 upper end of screw axis
Link block 7 is rotatably equipped in platform 4, link block 7 is threadedly coupled with screw axis 6, it is fixed on link block 7 there are two friction block 8,
Two friction blocks 8 are symmetrical about the perpendicular for crossing 6 axis of screw axis, and the right end and link block 7 of friction block 8 are hingedly fixed, rub
The left end of cleaning block 8 is connected with first boss 9, and two first boss 9 are fixed through 10 spiral of the first screw, 10 both ends of the first screw
Thread rotary orientation is opposite；
Outer gear ring 11 is fixed on the outside of 1 lower end of shell, the outside of outer gear ring 11 is engaged with to be rotatably connected with screw axis 6
Gear 12, the upper end of screw axis 6 passes through gear 12, and there are two drag rings 13 in gear 12, and two drag rings 13 are about silk rolling
The perpendicular of 6 axis of bar axis is symmetrical, and the right end of drag ring 13 and gear 12 are hingedly fixed, and the left end of drag ring 13 is connected with the
Two boss 14, two second boss 14 are fixed through 15 spiral of the second bolt, and the thread rotary orientation at 15 both ends of the second bolt is on the contrary, gear
Multiple small sircle holes 16 are evenly distributed on 12, the position of the correspondence small sircle hole 16 of supporting table 4 is equipped with corresponding aperture, small sircle hole 16 and correspondence
Pin shaft 17 is fitted between hole；
The rotation of 1 upper end of shell is equipped with upper cover plate 18, is equipped in shell 1 and consolidates with what upper cover plate 18 and lower cover plate 2 were rotatablely connected
Dead axle 19, the lower end of fixing axle 19 pass through lower cover plate 2 and are fixedly connected with terminal pad 3, and 1 internal screw thread of shell is connected with nut block 20,
Slider disc 21, the vertical sliding in fixing axle 19 of slider disc 21,21 activity of slider disc are equipped between nut block 20 and fixing axle 19
It is connected to 20 inside of nut block, is fixed with guide rod 22 at 20 top edges of nut block, 22 upper end of guide rod passes through upper cover plate 18；
Support plate 23 is hinged with above upper cover plate 18, the right end of support plate 23 is fixed with blackboard 24, guide rod 22 and support plate
23 are slidably connected；
Locking bar 26 is equipped in slider disc 21,26 lower end of locking bar rotates vertically to be fixed in fixing axle 19,26 upper end of locking bar
Rotate in fixed fixing axle 19, be equipped with the lock cam 25 being socketed in locking bar 26 outside in slider disc 21, lock cam 25 and
Locking bar 26 rotates together, and 20 inner periphery of nut block is equipped with the first locking slot 45, corresponding with lock cam 25 on 19 outer wall of fixing axle
Position offers the second locking slot 46.
In order to realize blackboard 24 in the stability for adjusting elevation angle process middle and lower part, 20 lower end of nut block is fixedly connected with
Turntable 28,28 lower end of turntable are fixed with vertical placement and more fixed links 29 moving up and down, and the lower end of fixed link 29 is placed in
In shell 1, equipped with the fixed device of multiple groups being distributed up and down in more fixed links 29, fixed device includes fixed board 30,30 water of fixed board
It is flat to be fixed in shell 1, it is equipped with movable plate 31 below fixed board 30, fixed link 29 passes through fixed board 30 and movable plate 31, and movable plate 31 is can be
The structure moved up and down in fixed link 29 is set with spring 32 in fixed link 29, and the upper end of spring 32 is contacted with fixed board 30,
The lower end of spring 32 is contacted with movable plate 31, and the pin 33 being interspersed in fixed link 29, pin 33 and movable plate 31 are arranged at 31 lower part of movable plate
Lower end surface be in contact, fixing axle 19 rotatably run through fixed board 30 and movable plate 31.
In order to realize the rotation of locking bar 26, the upper end of the locking bar is connected with the first motor being fixed in fixing axle 19.
In order to realize that lower cover plate 2 is rotatably fixed in terminal pad 3, the T-type of circumference is equipped with below the lower cover plate 2
Slot is fitted with T-block 44 in T-slot, and T-block 44 is slided in T-slot, and lower cover plate 2 and terminal pad 3 are stretched out in 44 lower end of T-block
It is fixedly connected.
In order to realize the vertical sliding of slider disc 21, multiple vertical convex blocks 34 are evenly equipped on 19 outer wall of fixing axle,
21 inner wall of slider disc is equipped with multiple grooves cooperated with convex block 34, constitutes the knot of the vertical sliding in fixing axle 19 of slider disc 21
Structure.
In order to realize better effect, support frame 35 is fixedly connected with above the upper cover plate 18, support plate 23 is hinged on
On support frame 35.
In order to realize being slidably connected for guide rod 22 and support plate 23, connecting plate 36 is fixed with below the support plate 23, even
Slotted hole is offered on fishplate bar 36, the end of guide rod 22 is fixed with the sliding pin 37 in insertion slotted hole, constitutes guide rod 22 and support
The structure that plate 23 is slidably connected.
It is fixed between the support plate 23 and blackboard 24 in order to realize the stability connected between support plate 23 and blackboard 24
It is connected with stiffening plate 38.
In order to realize the synchronous rotation of multi-filament bar axis 6, be fixed with sprocket wheel 40 on the screw axis 6, multiple sprocket wheels 40 it
Between connected through chain 39.
In order to realize the rotation of screw axis 6, first bevel gear 41, the outside of first bevel gear 41 are fixed on screw axis 6
It is engaged with second bevel gear 42, the gear shaft end of second bevel gear 42 is connected with the second motor 43 being fixed on pedestal 5.
In order to realize the movement of equipment, 5 lower end of pedestal is fixedly connected with the universal wheel 44 with brake.
The present invention is in use, one of them in multi-filament bar axis 6 can be equipped with gear 12,6 its remaining part of multi-filament bar axis
Gear 12 can be not provided with by dividing, and friction block 8 can be set in the screw axis 6 equipped with gear 12, remaining screw axis 6 may not be used
Friction block 8 is set, equipment is moved to the position of needs, the universal wheel 44 with brake is braked and is fixed, so that equipment be consolidated
Fixed the no longer horizontal position of blackboard 24 is mobile at the desired position, screws the first bolt to two friction blocks 8 and supporting table 4 and squeezes
Contact, friction block 8 because the effect compressed and rubbed against between supporting table 4, friction block 8 and supporting table 4 are fixed together,
8 one end of friction block is hinged on link block 7, and friction block 8 and link block 7 are an entirety, so that link block 7 and supporting table 4 are solid
It is set to an entirety, link block 7 is threadedly coupled with screw axis 6, and the second motor 43 is through second bevel gear 42 and first bevel gear 41
Screw axis 6 is driven to rotate, multi-filament bar axis 6 passes through supporting table 4, and the rotation of screw axis 6 drives supporting table 4 to rise vertically through link block 7
Drop, 4 top of supporting table are connected with blackboard 24 through shell 1, and 4 vertical lifting of supporting table drives 24 vertical lifting of blackboard, to complete
The adjusting of 24 height of blackboard inserts pin shaft 17, branch during adjusting 24 height of blackboard between small sircle hole 16 and corresponding aperture
Platform 4 is supportted along 17 vertical lifting of pin shaft, while the position of lock gear 12, because screw axis 6 and gear 12 are rotatablely connected, at this point,
Screw axis 6 rotates and gear 12 is fixed.
After height adjustment terminates, screws the first screw 10 and friction block 8 is made to squeeze screw axis 6, screw axis 6 is through rubbing at this time
Cleaning block 8 and link block 7 are fixed as an entirety, and the rotation of screw axis 6 drives link block 7 to rotate in supporting table 4, because of link block 7
It is threadedly coupled with screw axis 6, the vertical position of supporting table 4 is fixed, and screwing the second screw makes drag ring 13 squeeze screw axis
6, the rubbed ring 13 of gear 12 is fixed as one with screw axis 6, extracts pin shaft 17, and screw rod rotation driven gear 12 rotates, gear
12 rotations are rotated through 11 drive shell 1 of outer gear ring；
1 internal screw thread of shell is connected with nut block 20, and slider disc 21, slider disc 21 are equipped between nut block 20 and fixing axle 19
The vertical sliding in fixing axle 19,21 activity of slider disc are connected to 20 inside of nut block, are equipped with locking bar 26 in slider disc 21, lock
26 lower end of bar rotates vertically to be fixed in fixing axle 19, in the fixed fixing axle 19 of 26 upper end of locking bar rotation, is set in slider disc 21
There is the lock cam 25 being socketed in outside locking bar 26, lock cam 25 is rotated together with locking bar 26, and 20 inner periphery of nut block is equipped with
First locking slot 45 offers the second locking slot 46, the first electricity of control on 19 outer wall of fixing axle with 25 corresponding position of lock cam
Machine drives locking bar 26 to turn to lock cam 25 and contacts with the extruding of the first locking slot 45, under the action of frictional force, lock cam
The rotation of 25 limitation nut blocks 20, the rotation of shell 1 drive nut block vertical lifting, are fixedly connected at 20 top edges of nut block
Guide rod 22,22 upper end of guide rod pass through upper cover plate 18, and support plate 23 is hinged with above upper cover plate 18, and the right end of support plate 23 is fixed to be connected
It is connected to blackboard 24, guide rod 22 is slidably connected with support plate 23, constitutes the structure that guide rod 22 moves up and down control 24 elevation angle of blackboard, leads
Moving up and down for bar 22 pushes the pitch angle of blackboard 24 to change, so that the student of heel row can see on blackboard 24
Content；
It controls first motor rotating rod lock 26 to lock cam 25 and squeezes the second locking slot 46, under the action of frictional force,
Lock cam 25 fixes slider disc 21 and the position of fixing axle 19, so that the vertical position of nut block 20 is fixed,
Nut block 20 can not generate vertical sliding, and shell 1 is threadedly coupled with nut block 20, and slider disc 21 and the rotation of nut block 20 connect
It connects, shell 1 drives nut block 20 to rotate, and nut block 20 drives upper cover plate 18 to rotate through guide rod 22, the hinged branch in 18 top of upper cover plate
Fagging 23, the toxic of support plate 23 are fixed with blackboard 24, so that nut block 20 drives blackboard 24 to rotate, and then adjust blackboard 24
It turns to, the student of two sides is enabled to see the content on blackboard 24.
The present invention has the advantage that 1) easy to operate compared with prior art, can have teacher or student to operate
At, increase teacher and student between interactivity；2) it may be implemented the lifting of 24 height of blackboard, the adjusting of 24 pitch angle of blackboard,
The adjusting that blackboard 24 turns to, realizes full classroom without dead-centre position, so that the student of any position can see on blackboard 24
Content；3) adaptable, any position of teacher can be placed on.
Present inventive concept is ingenious, structure novel, passes through link block, friction block, first boss, the first bolt, drag ring,
Two boss and the second bolt realize connecting or disconnecting for power, internal with spiral shell equipped with having to switch the lifting or rotation of blackboard
The shell of line, the nut block being threadedly coupled with shell realize the lock of nut block and slider disc by first motor and lock cam
Tightly, the vertical lifting for being converted into nut block of shell, and adjusted by the pitch angle that support plate is converted into blackboard.
Claims (10)
1. the teaching appliance of multidirectional adjusting, including cylindrical shell (1), which is characterized in that shell (1) lower end is fixed with down
Cover board (2), lower cover plate (2) lower section are equipped with terminal pad (3), and lower cover plate (2) is rotatably fixed on terminal pad (3), terminal pad
(3) lower section is fixed with supporting table (4), is equipped with pedestal (5) below supporting table (4), and multi-filament bar is rotatably equipped on pedestal (5)
Supporting table (4) are run through in axis (6), screw axis (6) upper end, are rotatably equipped with link block (7) in supporting table (4), link block (7) with
Screw axis (6) is threadedly coupled, and there are two friction block (8) for fixation on link block (7), and two friction blocks (8) are about excessively screw axis (6)
The perpendicular of axis is symmetrical, and the right end of friction block (8) and link block (7) are hingedly fixed, and the left end of friction block (8) is connected with the
One boss (9), two first boss (9) are fixed through the first screw (10) spiral, the thread rotary orientation phase at the first screw (10) both ends
Instead；It is fixed with outer gear ring (11) on the outside of shell (1) lower end, being engaged on the outside of outer gear ring (11) can be rotated with screw axis (6)
The upper end of the gear (12) of connection, screw axis (6) passes through gear (12), and there are two drag ring (13) in gear (12), and two are rubbed
Wiping ring (13) is symmetrical about the perpendicular for crossing screw axis (6) axis, and the right end of drag ring (13) and gear (12) are hingedly fixed,
The left end of drag ring (13) is connected with second boss (14), and two second boss (14) are fixed through the second bolt (15) spiral, the
For the thread rotary orientation at two bolts (15) both ends on the contrary, being evenly distributed on gear (12) multiple small sircle holes (16), supporting table (4) is corresponding
The position of small sircle hole (16) is equipped with corresponding aperture, and pin shaft (17) are fitted between small sircle hole (16) and corresponding aperture；Shell (1) upper end turns
It is dynamic to be equipped with upper cover plate (18), the fixing axle (19) being rotatablely connected with upper cover plate (18) and lower cover plate (2) is equipped in shell (1), Gu
The lower end of dead axle (19) passes through lower cover plate (2) and is fixedly connected with terminal pad (3), and shell (1) internal screw thread is connected with nut block (20),
Slider disc (21) are equipped between nut block (20) and fixing axle (19), slider disc (21) vertical sliding on fixing axle (19) is sliding
Moving plate (21) activity is connected on the inside of nut block (20), is fixed with guide rod (22) at nut block (20) top edges, guide rod (22)
Upper end passes through upper cover plate (18)；It is hinged with support plate (23) above upper cover plate (18), the right end of support plate (23) is fixed with blackboard
(24), guide rod (22) is slidably connected with support plate (23)；It is equipped with locking bar (26) in slider disc (21), locking bar (26) lower end is vertical
Rotation is fixed on fixing axle (19), and in the fixed fixing axle (19) of locking bar (26) upper end rotation, set is equipped in slider disc (21)
The lock cam (25) external in locking bar (26) is connect, lock cam (25) is rotated together with locking bar (26), nut block (20) inner circle
Week is equipped with the first locking slot (45), offers the second locking slot with lock cam (25) corresponding position on fixing axle (19) outer wall
(46).
2. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that nut block (20) lower end is fixed to be connected
It is connected to turntable (28), turntable (28) lower end is fixed with vertical placement and more fixed links (29) moving up and down, fixed link
(29) lower end is placed in shell (1), equipped with the fixed device of multiple groups being distributed up and down, fixed device packet on more fixed links (29)
It includes fixed board (30), fixed board (30) is horizontally fixed in shell (1), is equipped with movable plate (31) below fixed board (30), and fixed link (29) is worn
Fixed board (30) and movable plate (31) are crossed, movable plate (31) is the structure that can be moved up and down on fixed link (29), fixed link (29)
On be set with spring (32), the upper end of spring (32) is contacted with fixed board (30), and the lower end of spring (32) is contacted with movable plate (31), move
The pin (33) being interspersed on fixed link (29) is arranged at plate (31) lower part, and pin (33) is in contact with the lower end surface of movable plate (31), Gu
Dead axle (19) rotatably runs through fixed board (30) and movable plate (31).
3. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that the upper end of the locking bar is connected with fixation
First motor on fixing axle (19).
4. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that be equipped with circle below the lower cover plate (2)
The T-slot in week is fitted with T-block (44) in T-slot, and T-block (44) is slided in T-slot, and lower cover is stretched out in T-block (44) lower end
Plate (2) is fixedly connected with terminal pad (3).
5. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that in order to realize the vertical of slider disc (21)
Sliding, is evenly equipped with multiple vertical convex blocks (34) on fixing axle (19) outer wall, slider disc (21) inner wall be equipped with it is multiple with
The groove of convex block (34) cooperation, the structure of composition slider disc (21) vertical sliding on fixing axle (19).
6. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that fixed above the upper cover plate (18) to connect
It is connected to support frame (35), support plate (23) is hinged on support frame (35).
7. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that be fixed with below the support plate (23)
Connecting plate (36), slotted hole is offered on connecting plate (36), and the end of guide rod (22) is fixed with the sliding pin in insertion slotted hole
(37), the structure that guide rod (22) and support plate (23) are slidably connected is constituted.
8. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that be fixed with chain on the screw axis (6)
It takes turns (40), is connected between multiple sprocket wheels (40) through chain (39).
9. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that be fixed on the screw axis (6)
One bevel gear (41) is engaged with second bevel gear (42) on the outside of first bevel gear (41), the gear shaft of second bevel gear (42)
End is connected with the second motor (43) being fixed on pedestal (5).
10. the teaching appliance of multidirectional adjusting according to claim 1, which is characterized in that pedestal (5) lower end is fixedly connected
There is the universal wheel (44) with brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078277.6A CN107713435B (en) | 2017-11-06 | 2017-11-06 | The teaching appliance of multidirectional adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078277.6A CN107713435B (en) | 2017-11-06 | 2017-11-06 | The teaching appliance of multidirectional adjusting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107713435A CN107713435A (en) | 2018-02-23 |
| CN107713435B true CN107713435B (en) | 2019-03-19 |
Family
ID=61222502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078277.6A Active CN107713435B (en) | 2017-11-06 | 2017-11-06 | The teaching appliance of multidirectional adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107713435B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081087B (en) * | 2020-01-17 | 2021-07-06 | 漯河医学高等专科学校 | Portable English teaching equipment installation adjusting mechanism and using method thereof |
| CN114322922B (en) * | 2022-03-14 | 2022-05-27 | 四川楠水农牧科技有限公司 | Work range unit based on agricultural data processing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311979Y (en) * | 1997-06-20 | 1999-03-31 | 杨科高 | Multi-function and lifting/lowering blackboard |
| CN106240198A (en) * | 2016-08-31 | 2016-12-21 | 新昌县城关升华机械厂 | A kind of self-cleaning and the board of education of adjustable angle |
| CN206579345U (en) * | 2016-08-31 | 2017-10-24 | 阳金秀 | A kind of packaged type blackboard for education |
-
2017
- 2017-11-06 CN CN201711078277.6A patent/CN107713435B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311979Y (en) * | 1997-06-20 | 1999-03-31 | 杨科高 | Multi-function and lifting/lowering blackboard |
| CN106240198A (en) * | 2016-08-31 | 2016-12-21 | 新昌县城关升华机械厂 | A kind of self-cleaning and the board of education of adjustable angle |
| CN206579345U (en) * | 2016-08-31 | 2017-10-24 | 阳金秀 | A kind of packaged type blackboard for education |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107713435A (en) | 2018-02-23 |
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