CN108201231A - A kind of adjustable type lectern for teaching - Google Patents
A kind of adjustable type lectern for teaching Download PDFInfo
- Publication number
- CN108201231A CN108201231A CN201711391144.4A CN201711391144A CN108201231A CN 108201231 A CN108201231 A CN 108201231A CN 201711391144 A CN201711391144 A CN 201711391144A CN 108201231 A CN108201231 A CN 108201231A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- sleeve
- connecting plate
- pedestal
- positioning screw
- 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.)
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Classifications
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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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
-
- 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
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- 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
- A47B9/00—Tables with tops of variable height
- A47B9/14—Tables with tops of variable height with pins coacting with holes
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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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
- A47B91/066—Swivel gliders
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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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/004—Top adjustment
- A47B2200/0042—Height and inclination adjustable desktop, either separately or simultaneously
-
- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/005—Leg adjustment
-
- 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
- A47B2200/00—General construction of tables or desks
- A47B2200/0084—Accessories for tables or desks
Landscapes
- Toys (AREA)
Abstract
The present invention relates to a kind of lectern for teaching more particularly to a kind of adjustable type lecterns for teaching.The technical problem to be solved in the present invention is to provide a kind of adjustable type lecterns for teaching.In order to solve the above technical problem, the present invention provides such a adjustable type lecterns for teaching, include pedestal, driving device, lifting gear, first sleeve etc.；Lifting gear is connected with driving device, first sleeve is located at the left side of driving device, the lower end of first sleeve is set as being fixedly connected with pedestal, the first positioning screw is provided on the right side wall of first sleeve, first positioning screw is set as being threadedly coupled with first sleeve, and the first connecting plate is located at the right side of first sleeve.A kind of adjustable type lectern for teaching provided by the present invention has driving device and lifting gear, can conveniently be adjusted, disclosure satisfy that the use demand of different height faculties, be conducive to improve the quality of teaching, efficiency of teaching high effect is good.
Description
Technical field
The present invention relates to a kind of lectern for teaching more particularly to a kind of adjustable type lecterns for teaching.
Background technology
Teaching is the distinctive personnel training activity of a kind of mankind that the religion of teacher and student are formed.Pass through this work
Dynamic, teacher is purposeful, planned and organized ground guiding student learns and grasps cultural and technical knowledge and technical ability, promotes student's element
Matter improves, them is made to become the required people of society.The scientific knowledge of system is taught to student, training of students forms basic skill
Energy, skill, the intelligence and ability of Developing Students '.Make student's body normal development, grow up healthy and sound.Training student, which has, correctly to be examined
Beauty point and impression are beautiful, it is beautiful to appreciate and create beautiful knowledge and ability.Make the basic knowledge of students modern times industrial and agricultural production,
Association uses the technical ability of basic production tool.Above-mentioned task, a vital side are completed in teaching with wanting high quality and high efficiency
Face is to must comply with teaching rule, handles the relationship that indirect experience and direct experience are combined well, teaches knowledge and improves thought
The relationship of awareness, teach knowledge and the relationship that develops intellectually and play the leading role of teacher with mobilizing students enthusiasm, from
The relationship of feel property.
The traditional fixed structure of the existing lectern generally use for teaching, it is difficult to be adjusted, difference can not be met
The use demand of height faculty causes teaching efficiency difference efficiency low, seriously affects quality of instruction, be unfavorable for teaching
Carry out, therefore there is an urgent need for research and develop a kind of adjustable type lectern for teaching.
Invention content
(1) technical problems to be solved
The present invention is for the fixed structure for overcoming the existing lectern generally use for teaching traditional, it is difficult to be adjusted
It is whole, the use demand of different height faculties can not be met, cause teaching efficiency difference efficiency low, seriously affect quality of instruction
Shortcoming, the technical problem to be solved in the present invention is to provide a kind of adjustable type lecterns for teaching.
(2) technical solution
In order to solve the above technical problem, the present invention provides it is such a for teaching adjustable type lectern, including
There are pedestal, driving device, lifting gear, first sleeve, the first positioning screw, the first connecting plate, fixed plate, the second casing and
Two positioning screws；Driving device and lifting gear are provided with above pedestal, lifting gear is connected with driving device, first set
Positioned at the left side of driving device, lower end and the pedestal of first sleeve are set as being fixedly connected, be set on the right side wall of first sleeve pipe
The first positioning screw is equipped with, the first positioning screw is set as being threadedly coupled with first sleeve, and the first connecting plate is located at first sleeve
Right side, the first connecting plate is set as being fixedly connected with first sleeve, and fixed plate is located at the rear of the first connecting plate, the first connection
Plate is set as being fixedly connected with fixed plate, and bottom and the pedestal of fixed plate are set as being fixedly connected, and the second casing is located at first and connects
The right side of fishplate bar, the second casing are set as being fixedly connected with the first connecting plate, and lower end and the pedestal of the second casing are set as fixed
It connects, the second positioning screw is provided on the left side wall of the second casing, the second positioning screw and the second casing are set as screw thread company
It connects, the second positioning screw and the first positioning screw are respectively positioned on the top of the first connecting plate.
Preferably, driving device includes clutch shaft bearing, the first rotary shaft, crank, connecting rod, long guide rod and rotating disk；
Clutch shaft bearing is located at the lower section of the first connecting plate, and clutch shaft bearing is embedded in fixed plate, and the first rotary shaft is set with clutch shaft bearing
It is connected for interference, crank is located at the front of the first rotary shaft and the first connecting plate, and crank and the front end of the first rotary shaft are set as
It is fixedly connected, connecting rod is located at the front of crank, and lower end and the crank of connecting rod are set as being rotatablely connected, and long guide rod is located at connecting rod
It is set as being fixedly connected at the top of rear, the lower end of long guide rod and the first connecting plate, rotating disk is located at the rear of fixed plate, rotation
Turntable is set as being fixedly connected with the rear end of the first rotary shaft.
Preferably, lifting gear includes the first elevating lever, desktop, the first drawer, guide pipe, the second drawer and second liter
Bar drops；First elevating lever slidingtype is located in first sleeve, and the first positioning screw is in contact with the first elevating lever, the bottom of desktop
Portion is set as being fixedly connected with the upper end of the first elevating lever, and the first drawer is located at the right side of the first elevating lever, the first drawer and table
The bottom of plate is set as being fixedly connected, and guide pipe is located at the right side of the first drawer, and guide pipe is embedded on desktop, and guide pipe slides
Formula is sleeved on long guide rod, and guide pipe is located at the rear of connecting rod, and upper end and the guide pipe of connecting rod are set as being articulated and connected, and second
Drawer is located at the right side of guide pipe, and the second drawer is set as being fixedly connected with the bottom of desktop, and the second elevating lever is located at second and takes out
The right side of bucket, the second elevating lever slidingtype are located in the second casing, and the second positioning screw is in contact with the second elevating lever.
Preferably, further included first bevel gear, second bevel gear, the second rotary shaft, second bearing, the second connecting plate and
Electric rotating machine；First bevel gear is located at the rear of rotating disk, and first bevel gear is set as being fixedly connected with rotating disk, the second cone tooth
Wheel is meshed positioned at the lower section of first bevel gear, second bevel gear with first bevel gear, the upper end of the second rotary shaft and the second cone
Gear is set as being fixedly connected, and second bearing is set as interference with the second rotary shaft and connect, and second bearing is embedded in the second connection
On plate, the second connecting plate is located at the rear of fixed plate, and the second connecting plate is set as being fixedly connected with fixed plate, electric rotating machine output
The upper end of axis is set as being fixedly connected with the lower end of the second rotary shaft, and bottom and the pedestal of electric rotating machine are set as being fixedly connected.
Preferably, connecting rod, tup, drum body, small guide rod, spring, small guide sleeve and small rack have been further included；Connecting rod
Positioned at the front of connecting rod, left end and the connecting rod of connecting rod are set as being fixedly connected, and the right end of connecting rod is fixedly connected with tup, drum
Body is located at the right side of tup, and drum body is corresponding with tup, and drum body is in contact with tup, and small guide rod is located at the right side of drum body, small
Guide rod is set as being fixedly connected with drum body, and small guide sleeve is located at the right side of drum body, and small guide rod slidingtype is located at small guiding
In set, on small guide rod, spring is located between drum body and small guide sleeve spring pocket, and drum body is located at the front of the second drawer, small
Stent is located at the front of the first connecting plate, and the top of small rack is set as being fixedly connected with the bottom of small guide sleeve, small rack
Bottom is set as being fixedly connected with pedestal.
Preferably, 3rd bearing, cover board and dustbin have been further included；Be provided with groove on pedestal, groove be located at fixed plate with
Between first sleeve, dustbin is placed in the groove of pedestal, and cover board is located at the top of dustbin, and 3rd bearing is embedded in cover board
On, 3rd bearing is set as interference with first sleeve and connect.
Preferably, push plate, the first idler wheel and the second idler wheel have been further included；The bottom of push plate and the right end of base top are set
To be fixedly connected, base bottom is connected with the first idler wheel and the second idler wheel, and the second idler wheel is located at the left side of the first idler wheel.
Operation principle：Because the present invention includes pedestal, driving device, lifting gear, first sleeve, the first positioning spiral shell
Bar, the first connecting plate, fixed plate, the second casing and the second positioning screw, so in the present invention, driving device band can be passed through
Dynamic lifting gear is acted, and so as to which lifting gear is adjusted to suitable position, then passes through first sleeve and first respectively
Lifting gear can be fixed in positioning screw and the second casing and the second positioning screw, and fixed plate is the first connecting plate
Fixed support is provided with driving device, the first connecting plate provides fixed support for driving device, and pedestal provides fixation for the present invention
Support.
Because driving device includes clutch shaft bearing, the first rotary shaft, crank, connecting rod, long guide rod and rotating disk；First
Bearing is located at the lower section of the first connecting plate, and clutch shaft bearing is embedded in fixed plate, and the first rotary shaft was set as with clutch shaft bearing
It is full of connection, crank is located at the front of the first rotary shaft and the first connecting plate, and the front end of crank and the first rotary shaft is set as fixed
Connection, connecting rod are located at the front of crank, and lower end and the crank of connecting rod are set as being rotatablely connected, after long guide rod is located at connecting rod
It is square, it is set as being fixedly connected at the top of the lower end of long guide rod and the first connecting plate, rotating disk is located at the rear of fixed plate, rotation
Disk is set as being fixedly connected with the rear end of the first rotary shaft, so when using driving device, rotating disk can be rotated,
Rotating disk by the first rotary shaft drive crank rotated, crank handle turns connecting rod is moved, so as to drive lifting gear into
Row, which moves up and down, to be adjusted, time saving and energy saving, convenient and efficient, and the faculty of different heights can be facilitated to use, be conducive to work of imparting knowledge to students
The development of work.
Because lifting gear includes the first elevating lever, desktop, the first drawer, guide pipe, the second drawer and the second lifting
Bar；First elevating lever slidingtype is located in first sleeve, and the first positioning screw is in contact with the first elevating lever, the bottom of desktop
It is set as being fixedly connected with the upper end of the first elevating lever, the first drawer is located at the right side of the first elevating lever, the first drawer and desktop
Bottom be set as being fixedly connected, guide pipe is located at the right side of the first drawer, and guide pipe is embedded on desktop, guide pipe slidingtype
Be sleeved on long guide rod, guide pipe is located at the rear of connecting rod, and upper end and the guide pipe of connecting rod are set as being articulated and connected, second take out
Bucket is set as being fixedly connected positioned at the right side of guide pipe, the second drawer with the bottom of desktop, and the second elevating lever is located at the second drawer
Right side, the second elevating lever slidingtype be located at the second casing in, the second positioning screw is in contact with the second elevating lever, thus ought
During using lifting gear, the first positioning screw and the second positioning screw can be unscrewed first, then driving device is grasped
Make, driving device drives guide pipe to move up and down by connecting rod, so as to be adjusted to the upper-lower position of desktop, has adjusted
Bi Hou, then the first positioning screw and the second positioning screw are tightened, faculty can be on desktops and the second drawer
With store things convenient in the first drawer, work convenient for faculty.
Because first bevel gear, second bevel gear, the second rotary shaft, second bearing, the second connecting plate and rotation are further included
Rotating motor；First bevel gear is located at the rear of rotating disk, and first bevel gear is set as being fixedly connected with rotating disk, second bevel gear
Positioned at the lower section of first bevel gear, second bevel gear is meshed with first bevel gear, the upper end of the second rotary shaft and the second cone tooth
Wheel is set as being fixedly connected, and second bearing is set as interference with the second rotary shaft and connect, and second bearing is embedded in the second connecting plate
On, the second connecting plate is located at the rear of fixed plate, and the second connecting plate is set as being fixedly connected with fixed plate, electric rotating machine output shaft
Upper end be set as being fixedly connected with the lower end of the second rotary shaft, bottom and the pedestal of electric rotating machine are set as being fixedly connected, institute
It being operated so that electric rotating machine can be started, electric rotating machine drives second bevel gear to be rotated by the second rotary shaft, and second
Bevel gear drives rotating disk and the first rotary shaft to be rotated by first bevel gear, time saving so as to which crank be driven to be rotated
It is laborsaving, alleviate the burden of faculty.
Because connecting rod, tup, drum body, small guide rod, spring, small guide sleeve and small rack are further included；Connecting rod position
In the front of connecting rod, left end and the connecting rod of connecting rod are set as being fixedly connected, and the right end of connecting rod is fixedly connected with tup, drum body
Positioned at the right side of tup, drum body is corresponding with tup, and drum body is in contact with tup, and small guide rod is located at the right side of drum body, small to lead
It is set as being fixedly connected with drum body to bar, small guide sleeve is located at the right side of drum body, and small guide rod slidingtype is located at small guide sleeve
Interior, on small guide rod, spring is located between drum body and small guide sleeve spring pocket, and drum body is located at the front of the second drawer, ramuscule
Frame is located at the front of the first connecting plate, and the top of small rack is set as being fixedly connected with the bottom of small guide sleeve, the bottom of small rack
Portion is set as being fixedly connected with pedestal, so working as connecting rod during exercise, connecting rod and tup can be driven to be moved, and pass through
Tup taps drum body, so as to which student be reminded to start to attend class after adjusting, student is caused to pay attention to paying attention to the class, and drum body can
To be slid left and right by small guide rod, so as to which the movement to tup be avoided to interfere, simultaneously because the effect of spring, drum
Body can keep the position with tup.
Because 3rd bearing, cover board and dustbin are further included；Groove is provided on pedestal, groove is located at fixed plate and first
Between casing, dustbin is placed in the groove of pedestal, and cover board is located at the top of dustbin, and 3rd bearing is embedded on the cover board,
3rd bearing is set as interference with first sleeve and connect, it is possible to rubbish is put into dustbin, and by cover board into
Row rotation, dustbin is covered, prevents waste odours from propagating, and pollutes teaching environment, clean hygiene, and dustbin can be the bottom of from
It is taken out in the groove of seat, convenient trash can is toppled over and cleaned.
Because push plate, the first idler wheel and the second idler wheel are further included；The bottom of push plate and the right end of base top are set as
It is fixedly connected, base bottom is connected with the first idler wheel and the second idler wheel, and the second idler wheel is located at the left side of the first idler wheel, it is possible to
The present invention is pushed by push plate, the present invention can be moved to the place of needs by the first idler wheel and the second idler wheel.
(3) advantageous effect
A kind of adjustable type lectern for teaching provided by the present invention has driving device and lifting gear, can
It is conveniently adjusted, disclosure satisfy that the use demand of different height faculties, be conducive to improve the quality of teaching, impart knowledge to students
Efficient effect is good, and conducive to the development of teaching, compact-sized save space is easy to operate, repair easy to maintain, maintenance and repair
It is at low cost, it easily manufactures, manufacturing cost is low, and application easy to spread has a wide range of application.
Description of the drawings
Fig. 1 is the front sectional view structure diagram of the present invention.
Fig. 2 is the right view structure diagram of the rotating disk of the present invention.
Fig. 3 is the main view schematic diagram of the connecting rod of the present invention.
Fig. 4 is the main view schematic diagram of the dustbin of the present invention.
Fig. 5 is the main view schematic diagram of the push plate of the present invention.
Label in attached drawing for：1- pedestals, 2- driving devices, 3- lifting gears, 4- first sleeves, 5- first position spiral shell
Bar, the first connecting plates of 6-, 7- fixed plates, the second casings of 8-, the second positioning screws of 9-, 11- grooves, 21- clutch shaft bearings, 22-
One rotary shaft, 23- cranks, 24- connecting rods, 25- long guide rods, 26- rotating disks, the first elevating levers of 31-, 32- desktops, 33- first
Drawer, 34- guide pipes, the second drawers of 35-, the second elevating levers of 36-, 41- first bevel gears, 42- second bevel gears, 43- second
Rotary shaft, 44- second bearings, the second connecting plates of 45-, 46- electric rotating machines, 51- connecting rods, 52- tups, 53- drum bodies, 54- are small
Guide rod, 55- springs, the small guide sleeves of 56-, 57- small racks, 61- 3rd bearings, 62- cover boards, 63- dustbins, 71- push plates,
The first idler wheels of 72-, the second idler wheels of 73-.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of adjustable type lectern for teaching as shown in Figs. 1-5, includes pedestal 1, driving device 2, lifting dress
Put 3, first sleeve 4, the first positioning screw 5, the first connecting plate 6, fixed plate 7, the second casing 8 and the second positioning screw 9；Pedestal
1 top is provided with driving device 2 and lifting gear 3, and lifting gear 3 is connected with driving device 2, and first sleeve 4, which is located at, drives
The left side of dynamic device 2, the lower end of first sleeve 4 is set as being fixedly connected, is provided on the right side wall of first sleeve 4 with pedestal 1
First positioning screw 5, the first positioning screw 5 are set as being threadedly coupled with first sleeve 4, and the first connecting plate 6 is located at first sleeve 4
Right side, the first connecting plate 6 is set as being fixedly connected with first sleeve 4, and fixed plate 7 is located at the rear of the first connecting plate 6, first
Connecting plate 6 is set as being fixedly connected with fixed plate 7, and the bottom of fixed plate 7 is set as being fixedly connected with pedestal 1, the second casing 8
In the right side of the first connecting plate 6, the second casing 8 is set as being fixedly connected with the first connecting plate 6, the lower end and bottom of the second casing 8
Seat 1 is set as being fixedly connected, and the second positioning screw 9, the second positioning screw 9 and second are provided on the left side wall of the second casing 8
Casing 8 is set as being threadedly coupled, and the second positioning screw 9 and the first positioning screw 5 are respectively positioned on the top of the first connecting plate 6.
Embodiment 2
A kind of adjustable type lectern for teaching as shown in Figs. 1-5, includes pedestal 1, driving device 2, lifting dress
Put 3, first sleeve 4, the first positioning screw 5, the first connecting plate 6, fixed plate 7, the second casing 8 and the second positioning screw 9；Pedestal
1 top is provided with driving device 2 and lifting gear 3, and lifting gear 3 is connected with driving device 2, and first sleeve 4, which is located at, drives
The left side of dynamic device 2, the lower end of first sleeve 4 is set as being fixedly connected, is provided on the right side wall of first sleeve 4 with pedestal 1
First positioning screw 5, the first positioning screw 5 are set as being threadedly coupled with first sleeve 4, and the first connecting plate 6 is located at first sleeve 4
Right side, the first connecting plate 6 is set as being fixedly connected with first sleeve 4, and fixed plate 7 is located at the rear of the first connecting plate 6, first
Connecting plate 6 is set as being fixedly connected with fixed plate 7, and the bottom of fixed plate 7 is set as being fixedly connected with pedestal 1, the second casing 8
In the right side of the first connecting plate 6, the second casing 8 is set as being fixedly connected with the first connecting plate 6, the lower end and bottom of the second casing 8
Seat 1 is set as being fixedly connected, and the second positioning screw 9, the second positioning screw 9 and second are provided on the left side wall of the second casing 8
Casing 8 is set as being threadedly coupled, and the second positioning screw 9 and the first positioning screw 5 are respectively positioned on the top of the first connecting plate 6.
Driving device 2 includes clutch shaft bearing 21, the first rotary shaft 22, crank 23, connecting rod 24, long guide rod 25 and rotation
Disk 26；Clutch shaft bearing 21 is located at the lower section of the first connecting plate 6, and clutch shaft bearing 21 is embedded in fixed plate 7, the first rotary shaft 22 with
Clutch shaft bearing 21 is set as interference connection, and crank 23 is located at the front of the first rotary shaft 22 and the first connecting plate 6, crank 23 and the
The front end of one rotary shaft 22 is set as being fixedly connected, and connecting rod 24 is located at the front of crank 23, and lower end and the crank 23 of connecting rod 24 are set
Rotation connection is set to, long guide rod 25 is located at the rear of connecting rod 24, and the lower end of long guide rod 25 and the top of the first connecting plate 6 are set
It is set to and is fixedly connected, rotating disk 26 is located at the rear of fixed plate 7, and the rear end of 26 and first rotary shaft 22 of rotating disk is set as solid
Fixed connection.
Embodiment 3
A kind of adjustable type lectern for teaching as shown in Figs. 1-5, includes pedestal 1, driving device 2, lifting dress
Put 3, first sleeve 4, the first positioning screw 5, the first connecting plate 6, fixed plate 7, the second casing 8 and the second positioning screw 9；Pedestal
1 top is provided with driving device 2 and lifting gear 3, and lifting gear 3 is connected with driving device 2, and first sleeve 4, which is located at, drives
The left side of dynamic device 2, the lower end of first sleeve 4 is set as being fixedly connected, is provided on the right side wall of first sleeve 4 with pedestal 1
First positioning screw 5, the first positioning screw 5 are set as being threadedly coupled with first sleeve 4, and the first connecting plate 6 is located at first sleeve 4
Right side, the first connecting plate 6 is set as being fixedly connected with first sleeve 4, and fixed plate 7 is located at the rear of the first connecting plate 6, first
Connecting plate 6 is set as being fixedly connected with fixed plate 7, and the bottom of fixed plate 7 is set as being fixedly connected with pedestal 1, the second casing 8
In the right side of the first connecting plate 6, the second casing 8 is set as being fixedly connected with the first connecting plate 6, the lower end and bottom of the second casing 8
Seat 1 is set as being fixedly connected, and the second positioning screw 9, the second positioning screw 9 and second are provided on the left side wall of the second casing 8
Casing 8 is set as being threadedly coupled, and the second positioning screw 9 and the first positioning screw 5 are respectively positioned on the top of the first connecting plate 6.
Driving device 2 includes clutch shaft bearing 21, the first rotary shaft 22, crank 23, connecting rod 24, long guide rod 25 and rotation
Disk 26；Clutch shaft bearing 21 is located at the lower section of the first connecting plate 6, and clutch shaft bearing 21 is embedded in fixed plate 7, the first rotary shaft 22 with
Clutch shaft bearing 21 is set as interference connection, and crank 23 is located at the front of the first rotary shaft 22 and the first connecting plate 6, crank 23 and the
The front end of one rotary shaft 22 is set as being fixedly connected, and connecting rod 24 is located at the front of crank 23, and lower end and the crank 23 of connecting rod 24 are set
Rotation connection is set to, long guide rod 25 is located at the rear of connecting rod 24, and the lower end of long guide rod 25 and the top of the first connecting plate 6 are set
It is set to and is fixedly connected, rotating disk 26 is located at the rear of fixed plate 7, and the rear end of 26 and first rotary shaft 22 of rotating disk is set as solid
Fixed connection.
Lifting gear 3 includes the first elevating lever 31, desktop 32, the first drawer 33, guide pipe 34, the second drawer 35 and
Two elevating levers 36；First elevating lever, 31 slidingtype is located in first sleeve 4, the first positioning screw 5 and 31 phase of the first elevating lever
Contact, the bottom of desktop 32 are set as being fixedly connected with the upper end of the first elevating lever 31, and the first drawer 33 is located at the first elevating lever
31 right side, the first drawer 33 are set as being fixedly connected with the bottom of desktop 32, and guide pipe 34 is located at the right side of the first drawer 33
Side, guide pipe 34 are embedded on desktop 32, and 34 slidingtype of guide pipe is sleeved on long guide rod 25, and guide pipe 34 is located at connecting rod 24
Rear, upper end and the guide pipe 34 of connecting rod 24 be set as being articulated and connected, and the second drawer 35 is located at the right side of guide pipe 34,
Two drawers 35 are set as being fixedly connected with the bottom of desktop 32, and the second elevating lever 36 is located at the right side of the second drawer 35, second liter
Drop 36 slidingtype of bar is located in the second casing 8, and the second positioning screw 9 is in contact with the second elevating lever 36.
Embodiment 4
A kind of adjustable type lectern for teaching as shown in Figs. 1-5, includes pedestal 1, driving device 2, lifting dress
Put 3, first sleeve 4, the first positioning screw 5, the first connecting plate 6, fixed plate 7, the second casing 8 and the second positioning screw 9；Pedestal
1 top is provided with driving device 2 and lifting gear 3, and lifting gear 3 is connected with driving device 2, and first sleeve 4, which is located at, drives
The left side of dynamic device 2, the lower end of first sleeve 4 is set as being fixedly connected, is provided on the right side wall of first sleeve 4 with pedestal 1
First positioning screw 5, the first positioning screw 5 are set as being threadedly coupled with first sleeve 4, and the first connecting plate 6 is located at first sleeve 4
Right side, the first connecting plate 6 is set as being fixedly connected with first sleeve 4, and fixed plate 7 is located at the rear of the first connecting plate 6, first
Connecting plate 6 is set as being fixedly connected with fixed plate 7, and the bottom of fixed plate 7 is set as being fixedly connected with pedestal 1, the second casing 8
In the right side of the first connecting plate 6, the second casing 8 is set as being fixedly connected with the first connecting plate 6, the lower end and bottom of the second casing 8
Seat 1 is set as being fixedly connected, and the second positioning screw 9, the second positioning screw 9 and second are provided on the left side wall of the second casing 8
Casing 8 is set as being threadedly coupled, and the second positioning screw 9 and the first positioning screw 5 are respectively positioned on the top of the first connecting plate 6.
Driving device 2 includes clutch shaft bearing 21, the first rotary shaft 22, crank 23, connecting rod 24, long guide rod 25 and rotation
Disk 26；Clutch shaft bearing 21 is located at the lower section of the first connecting plate 6, and clutch shaft bearing 21 is embedded in fixed plate 7, the first rotary shaft 22 with
Clutch shaft bearing 21 is set as interference connection, and crank 23 is located at the front of the first rotary shaft 22 and the first connecting plate 6, crank 23 and the
The front end of one rotary shaft 22 is set as being fixedly connected, and connecting rod 24 is located at the front of crank 23, and lower end and the crank 23 of connecting rod 24 are set
Rotation connection is set to, long guide rod 25 is located at the rear of connecting rod 24, and the lower end of long guide rod 25 and the top of the first connecting plate 6 are set
It is set to and is fixedly connected, rotating disk 26 is located at the rear of fixed plate 7, and the rear end of 26 and first rotary shaft 22 of rotating disk is set as solid
Fixed connection.
Lifting gear 3 includes the first elevating lever 31, desktop 32, the first drawer 33, guide pipe 34, the second drawer 35 and
Two elevating levers 36；First elevating lever, 31 slidingtype is located in first sleeve 4, the first positioning screw 5 and 31 phase of the first elevating lever
Contact, the bottom of desktop 32 are set as being fixedly connected with the upper end of the first elevating lever 31, and the first drawer 33 is located at the first elevating lever
31 right side, the first drawer 33 are set as being fixedly connected with the bottom of desktop 32, and guide pipe 34 is located at the right side of the first drawer 33
Side, guide pipe 34 are embedded on desktop 32, and 34 slidingtype of guide pipe is sleeved on long guide rod 25, and guide pipe 34 is located at connecting rod 24
Rear, upper end and the guide pipe 34 of connecting rod 24 be set as being articulated and connected, and the second drawer 35 is located at the right side of guide pipe 34,
Two drawers 35 are set as being fixedly connected with the bottom of desktop 32, and the second elevating lever 36 is located at the right side of the second drawer 35, second liter
Drop 36 slidingtype of bar is located in the second casing 8, and the second positioning screw 9 is in contact with the second elevating lever 36.
First bevel gear 41, second bevel gear 42, the second rotary shaft 43, second bearing 44, the second connecting plate are further included
45 and electric rotating machine 46；First bevel gear 41 is located at the rear of rotating disk 26, and first bevel gear 41 is set as solid with rotating disk 26
Fixed connection, second bevel gear 42 are located at the lower section of first bevel gear 41, and second bevel gear 42 is meshed with first bevel gear 41, the
The upper end of two rotary shafts 43 is set as being fixedly connected with second bevel gear 42, and second bearing 44 is set as with the second rotary shaft 43
Interference connects, and second bearing 44 is embedded on the second connecting plate 45, and the second connecting plate 45 is located at the rear of fixed plate 7, and second connects
Fishplate bar 45 is set as being fixedly connected with fixed plate 7, and the upper end of 46 output shaft of electric rotating machine and the lower end of the second rotary shaft 43 are set
To be fixedly connected, the bottom of electric rotating machine 46 is set as being fixedly connected with pedestal 1.
Connecting rod 51, tup 52, drum body 53, small guide rod 54, spring 55, small guide sleeve 56 and small rack are further included
57；Connecting rod 51 is located at the front of connecting rod 24, and the left end of connecting rod 51 is set as being fixedly connected with connecting rod 24, the right side of connecting rod 51
End is fixedly connected with tup 52, and drum body 53 is located at the right side of tup 52, and drum body 53 is corresponding with tup 52, drum body 53 and tup 52
It is in contact, small guide rod 54 is located at the right side of drum body 53, and small guide rod 54 is set as being fixedly connected with drum body 53, small guide sleeve 56
Positioned at the right side of drum body 53, small 54 slidingtype of guide rod is located in small guide sleeve 56, and spring 55 is sleeved on small guide rod 54,
Spring 55 is located between drum body 53 and small guide sleeve 56, and drum body 53 is located at the front of the second drawer 35, and small rack 57 is located at first
The front of connecting plate 6, the top of small rack 57 are set as being fixedly connected with the bottom of small guide sleeve 56, the bottom of small rack 57 with
Pedestal 1 is set as being fixedly connected.
3rd bearing 61, cover board 62 and dustbin 63 are further included；Groove 11 is provided on pedestal 1, groove 11, which is located at, to be fixed
Between plate 7 and first sleeve 4, dustbin 63 is placed in the groove 11 of pedestal 1, and cover board 62 is located at the top of dustbin 63, the
Three bearings 61 are embedded on cover board 62, and 3rd bearing 61 is set as interference with first sleeve 4 and connect.
Push plate 71, the first idler wheel 72 and the second idler wheel 73 are further included；The bottom of push plate 71 and the right end at 1 top of pedestal are set
It is set to and is fixedly connected, 1 bottom of pedestal is connected with the first idler wheel 72 and the second idler wheel 73, and the second idler wheel 73 is located at the first idler wheel 72
Left side.
Operation principle：It is positioned because the present invention includes pedestal 1, driving device 2, lifting gear 3, first sleeve 4, first
Screw rod 5, the first connecting plate 6, fixed plate 7, the second casing 8 and the second positioning screw 9, so in the present invention, drive can be passed through
Dynamic device 2 drives lifting gear 3 to be acted, and so as to which lifting gear 3 is adjusted to suitable position, then passes through first respectively
Lifting gear 3 can be fixed in 4 and first positioning screw 5 of casing and the second casing 8 and the second positioning screw 9, fixed
Plate 7 provides fixed support for the first connecting plate 6 and driving device 2, and the first connecting plate 6 provides fixed support, bottom for driving device 2
Seat 1 provides fixed support for the present invention.
Because driving device 2 includes clutch shaft bearing 21, the first rotary shaft 22, crank 23, connecting rod 24,25 and of long guide rod
Rotating disk 26；Clutch shaft bearing 21 is located at the lower section of the first connecting plate 6, and clutch shaft bearing 21 is embedded in fixed plate 7, the first rotation
Axis 22 is set as interference with clutch shaft bearing 21 and connect, and crank 23 is located at the front of the first rotary shaft 22 and the first connecting plate 6, crank
23 are set as being fixedly connected with the front end of the first rotary shaft 22, and connecting rod 24 is located at the front of crank 23, lower end and the song of connecting rod 24
Handle 23 is set as being rotatablely connected, and long guide rod 25 is located at the rear of connecting rod 24, the lower end of long guide rod 25 and the first connecting plate 6
Top be set as being fixedly connected, rotating disk 26 is located at the rear of fixed plate 7, and rotating disk 26 and the rear end of the first rotary shaft 22 are set
It is set to and is fixedly connected, so when using driving device 2, rotating disk 26 can be rotated, rotating disk 26 passes through the first rotation
Shaft 22 drives crank 23 to be rotated, and crank 23 drives connecting rod 24 to be moved, so as to which lifting gear 3 be driven transport up and down
Dynamic adjustment, it is time saving and energy saving, it is convenient and efficient, the faculty of different heights can be facilitated to use, be conducive to the development of teaching.
Because lifting gear 3 includes the first elevating lever 31, desktop 32, the first drawer 33, guide pipe 34, the second drawer 35
With the second elevating lever 36；First elevating lever, 31 slidingtype is located in first sleeve 4, the first positioning screw 5 and the first elevating lever
31 are in contact, and the bottom of desktop 32 is set as being fixedly connected with the upper end of the first elevating lever 31, and the first drawer 33 is located at first liter
The right side of bar 31 drops, and the first drawer 33 is set as being fixedly connected with the bottom of desktop 32, and guide pipe 34 is located at the first drawer's 33
Right side, guide pipe 34 are embedded on desktop 32, and 34 slidingtype of guide pipe is sleeved on long guide rod 25, and guide pipe 34 is located at connecting rod
24 rear, upper end and the guide pipe 34 of connecting rod 24 are set as being articulated and connected, and the second drawer 35 is located at the right side of guide pipe 34,
Second drawer 35 is set as being fixedly connected with the bottom of desktop 32, and the second elevating lever 36 is located at the right side of the second drawer 35, and second
36 slidingtype of elevating lever is located in the second casing 8, and the second positioning screw 9 is in contact with the second elevating lever 36, so when using
During lifting gear 3, the first positioning screw 5 and the second positioning screw 9 can be unscrewed first, then driving device 2 is grasped
Make, driving device 2 drives guide pipe 34 to move up and down by connecting rod 24, so as to be adjusted to the upper-lower position of desktop 32
It is whole, after adjustment, then the first positioning screw 5 and the second positioning screw 9 tightened, faculty can be in desktop 32
On and the second drawer 35 and the first drawer 33 in convenient store things, work convenient for faculty.
Because it further includes first bevel gear 41, second bevel gear 42, the second rotary shaft 43, second bearing 44, second to connect
Fishplate bar 45 and electric rotating machine 46；First bevel gear 41 is located at the rear of rotating disk 26, and first bevel gear 41 is set with rotating disk 26
To be fixedly connected, second bevel gear 42 is located at the lower section of first bevel gear 41, and second bevel gear 42 is nibbled with 41 phase of first bevel gear
It closes, the upper end of the second rotary shaft 43 is set as being fixedly connected with second bevel gear 42, and second bearing 44 is set with the second rotary shaft 43
Interference connection is set to, second bearing 44 is embedded on the second connecting plate 45, and the second connecting plate 45 is located at the rear of fixed plate 7, the
Two connecting plates 45 are set as being fixedly connected with fixed plate 7, the upper end of 46 output shaft of electric rotating machine and the lower end of the second rotary shaft 43
Be set as being fixedly connected, the bottom of electric rotating machine 46 is set as being fixedly connected with pedestal 1, it is possible to start electric rotating machine 46 into
Row operating, electric rotating machine 46 drive second bevel gear 42 to be rotated by the second rotary shaft 43, and second bevel gear 42 passes through the
One bevel gear 41 drives 26 and first rotary shaft 22 of rotating disk to be rotated, time saving and energy saving so as to which crank 23 be driven to be rotated,
Alleviate the burden of faculty.
Because connecting rod 51, tup 52, drum body 53, small guide rod 54, spring 55, small guide sleeve 56 and ramuscule are further included
Frame 57；Connecting rod 51 is located at the front of connecting rod 24, and the left end of connecting rod 51 is set as being fixedly connected with connecting rod 24, connecting rod 51
Right end is fixedly connected with tup 52, and drum body 53 is located at the right side of tup 52, and drum body 53 is corresponding with tup 52, drum body 53 and hammer
First 52 are in contact, and small guide rod 54 is located at the right side of drum body 53, and small guide rod 54 is set as being fixedly connected with drum body 53, small guiding
Set 56 is located at the right side of drum body 53, and small 54 slidingtype of guide rod is located in small guide sleeve 56, and spring 55 is sleeved on small guide rod 54
On, spring 55 is located between drum body 53 and small guide sleeve 56, and drum body 53 is located at the front of the second drawer 35, and small rack 57 is located at
The front of first connecting plate 6, the top of small rack 57 are set as being fixedly connected with the bottom of small guide sleeve 56, small rack 57
Bottom is set as being fixedly connected with pedestal 1, so working as connecting rod 24 during exercise, connecting rod 51 and tup 52 can be driven to be transported
It is dynamic, and pass through tup 52 and drum body 53 is tapped, so as to which student be reminded to start to attend class after adjusting, student is caused to listen to carefully
It says, and drum body 53 can be slid left and right by small guide rod 54, so as to avoid that the movement of tup 52 is interfered, together
When due to the effect of spring 55, drum body 53 can keep the position with tup 52.
Because 3rd bearing 61, cover board 62 and dustbin 63 are further included；Groove 11 is provided on pedestal 1, groove 11 is located at
Between fixed plate 7 and first sleeve 4, dustbin 63 is placed in the groove 11 of pedestal 1, and cover board 62 is located at the upper of dustbin 63
Side, 3rd bearing 61 are embedded on cover board 62, and 3rd bearing 61 is set as interference with first sleeve 4 and connect, it is possible to by rubbish
Rubbish is put into dustbin 63, and by being rotated to cover board 62, and dustbin 63 is covered, prevents waste odours from propagating, dirty
Contaminating teaching environment, clean hygiene, and dustbin 63 can take out out of pedestal 1 groove 11, and convenient trash can 63 is toppled over
And cleaning.
Because push plate 71, the first idler wheel 72 and the second idler wheel 73 are further included；The bottom of push plate 71 and 1 top of pedestal
Right end is set as being fixedly connected, and 1 bottom of pedestal is connected with the first idler wheel 72 and the second idler wheel 73, and the second idler wheel 73 is located at the first rolling
The left side of wheel 72, it is possible to be pushed by push plate 71 to the present invention, the first idler wheel 72 and the second idler wheel 73 can be passed through
The present invention is moved to the place of needs.
Embodiment described above only expresses the preferred embodiment of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of adjustable type lectern for teaching, which is characterized in that include pedestal（1）, driving device（2）, lifting dress
It puts（3）, first sleeve（4）, the first positioning screw（5）, the first connecting plate（6）, fixed plate（7）, the second casing（8）It is fixed with second
Position screw rod（9）；Pedestal（1）Top be provided with driving device（2）And lifting gear（3）, lifting gear（3）With driving device
（2）It is connected, first sleeve（4）Positioned at driving device（2）Left side, first sleeve（4）Lower end and pedestal（1）It is set as solid
Fixed connection, first sleeve（4）Right side wall on be provided with the first positioning screw（5）, the first positioning screw（5）With first sleeve
（4）It is set as being threadedly coupled, the first connecting plate（6）Positioned at first sleeve（4）Right side, the first connecting plate（6）With first sleeve
（4）It is set as being fixedly connected, fixed plate（7）Positioned at the first connecting plate（6）Rear, the first connecting plate（6）With fixed plate（7）If
It is set to and is fixedly connected, fixed plate（7）Bottom and pedestal（1）It is set as being fixedly connected, the second casing（8）Positioned at the first connecting plate
（6）Right side, the second casing（8）With the first connecting plate（6）It is set as being fixedly connected, the second casing（8）Lower end and pedestal（1）
It is set as being fixedly connected, the second casing（8）Left side wall on be provided with the second positioning screw（9）, the second positioning screw（9）With
Two casings（8）It is set as being threadedly coupled, the second positioning screw（9）With the first positioning screw（5）It is respectively positioned on the first connecting plate（6）'s
Top.
A kind of 2. adjustable type lectern for teaching according to claim 1, which is characterized in that driving device（2）Packet
Clutch shaft bearing is included（21）, the first rotary shaft（22）, crank（23）, connecting rod（24）, long guide rod（25）And rotating disk（26）；The
One bearing（21）Positioned at the first connecting plate（6）Lower section, clutch shaft bearing（21）It is embedded in fixed plate（7）On, the first rotary shaft
（22）With clutch shaft bearing（21）It is set as interference connection, crank（23）Positioned at the first rotary shaft（22）With the first connecting plate（6）'s
Front, crank（23）With the first rotary shaft（22）Front end be set as being fixedly connected, connecting rod（24）Positioned at crank（23）Front,
Connecting rod（24）Lower end and crank（23）It is set as being rotatablely connected, long guide rod（25）Positioned at connecting rod（24）Rear, it is long to be oriented to
Bar（25）Lower end and the first connecting plate（6）Top be set as being fixedly connected, rotating disk（26）Positioned at fixed plate（7）After
Side, rotating disk（26）With the first rotary shaft（22）Rear end be set as being fixedly connected.
A kind of 3. adjustable type lectern for teaching according to claim 2, which is characterized in that lifting gear（3）Packet
The first elevating lever is included（31）, desktop（32）, the first drawer（33）, guide pipe（34）, the second drawer（35）With the second elevating lever
（36）；First elevating lever（31）Slidingtype is located at first sleeve（4）It is interior, the first positioning screw（5）With the first elevating lever（31）
It is in contact, desktop（32）Bottom and the first elevating lever（31）Upper end be set as being fixedly connected, the first drawer（33）Positioned at
One elevating lever（31）Right side, the first drawer（33）With desktop（32）Bottom be set as being fixedly connected, guide pipe（34）It is located at
First drawer（33）Right side, guide pipe（34）It is embedded in desktop（32）On, guide pipe（34）Slidingtype is sleeved on long guide rod
（25）On, guide pipe（34）Positioned at connecting rod（24）Rear, connecting rod（24）Upper end and guide pipe（34）It is set as being articulated and connected,
Second drawer（35）Positioned at guide pipe（34）Right side, the second drawer（35）With desktop（32）Bottom be set as being fixedly connected,
Second elevating lever（36）Positioned at the second drawer（35）Right side, the second elevating lever（36）Slidingtype is located at the second casing（8）It is interior,
Second positioning screw（9）With the second elevating lever（36）It is in contact.
4. a kind of adjustable type lectern for teaching according to claim 3, which is characterized in that further included the first cone
Gear（41）, second bevel gear（42）, the second rotary shaft（43）, second bearing（44）, the second connecting plate（45）And electric rotating machine
（46）；First bevel gear（41）Positioned at rotating disk（26）Rear, first bevel gear（41）With rotating disk（26）It is set as fixed
Connection, second bevel gear（42）Positioned at first bevel gear（41）Lower section, second bevel gear（42）With first bevel gear（41）Phase
Engagement, the second rotary shaft（43）Upper end and second bevel gear（42）It is set as being fixedly connected, second bearing（44）With the second rotation
Shaft（43）It is set as interference connection, second bearing（44）It is embedded in the second connecting plate（45）On, the second connecting plate（45）It is located at
Fixed plate（7）Rear, the second connecting plate（45）With fixed plate（7）It is set as being fixedly connected, electric rotating machine（46）Output shaft
Upper end and the second rotary shaft（43）Lower end be set as being fixedly connected, electric rotating machine（46）Bottom and pedestal（1）It is set as solid
Fixed connection.
5. a kind of adjustable type lectern for teaching according to claim 4, which is characterized in that further included connecting rod
（51）, tup（52）, drum body（53）, small guide rod（54）, spring（55）, small guide sleeve（56）And small rack（57）；Connecting rod
（51）Positioned at connecting rod（24）Front, connecting rod（51）Left end and connecting rod（24）It is set as being fixedly connected, connecting rod（51）'s
Right end is fixedly connected with tup（52）, drum body（53）Positioned at tup（52）Right side, drum body（53）With tup（52）It is corresponding, drum
Body（53）With tup（52）It is in contact, small guide rod（54）Positioned at drum body（53）Right side, small guide rod（54）With drum body（53）
It is set as being fixedly connected, small guide sleeve（56）Positioned at drum body（53）Right side, small guide rod（54）Slidingtype is located at small guiding
Set（56）It is interior, spring（55）It is sleeved on small guide rod（54）On, spring（55）Positioned at drum body（53）With small guide sleeve（56）Between, drum
Body（53）Positioned at the second drawer（35）Front, small rack（57）Positioned at the first connecting plate（6）Front, small rack（57）Top
Portion and small guide sleeve（56）Bottom be set as being fixedly connected, small rack（57）Bottom and pedestal（1）It is set as being fixedly connected.
6. a kind of adjustable type lectern for teaching according to claim 5, which is characterized in that further included third axis
It holds（61）, cover board（62）And dustbin（63）；Pedestal（1）On be provided with groove（11）, groove（11）Positioned at fixed plate（7）With first
Casing（4）Between, dustbin（63）It is placed on pedestal（1）Groove（11）It is interior, cover board（62）Positioned at dustbin（63）Top,
3rd bearing（61）It is embedded in cover board（62）On, 3rd bearing（61）With first sleeve（4）It is set as interference connection.
7. a kind of adjustable type lectern for teaching according to claim 6, which is characterized in that further included push plate
（71）, the first idler wheel（72）With the second idler wheel（73）；Push plate（71）Bottom and pedestal（1）The right end at top is set as fixed company
It connects, pedestal（1）Bottom is connected with the first idler wheel（72）With the second idler wheel（73）, the second idler wheel（73）Positioned at the first idler wheel（72）'s
Left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391144.4A CN108201231A (en) | 2017-12-21 | 2017-12-21 | A kind of adjustable type lectern for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391144.4A CN108201231A (en) | 2017-12-21 | 2017-12-21 | A kind of adjustable type lectern for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108201231A true CN108201231A (en) | 2018-06-26 |
Family
ID=62605019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391144.4A Pending CN108201231A (en) | 2017-12-21 | 2017-12-21 | A kind of adjustable type lectern for teaching |
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| Country | Link |
|---|---|
| CN (1) | CN108201231A (en) |
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| CN109924683A (en) * | 2019-04-17 | 2019-06-25 | 吉林化工学院 | A kind of industrial design plotting unit |
| CN110992748A (en) * | 2019-12-31 | 2020-04-10 | 徐州工业职业技术学院 | Multimedia classroom convenient to administrative management teaching |
| CN111789397A (en) * | 2020-08-31 | 2020-10-20 | 江西和兴教育装备有限公司 | Student is with preventing sleepy desk |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180626 |
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| RJ01 | Rejection of invention patent application after publication |