CN108877405A - A kind of economical management teaching device - Google Patents
A kind of economical management teaching device Download PDFInfo
- Publication number
- CN108877405A CN108877405A CN201810800760.9A CN201810800760A CN108877405A CN 108877405 A CN108877405 A CN 108877405A CN 201810800760 A CN201810800760 A CN 201810800760A CN 108877405 A CN108877405 A CN 108877405A
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- China
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- fixedly connected
- component
- rotating cylinder
- bar
- board
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/18—Book-keeping or economics
Abstract
The present invention relates to a kind of instructional devices, it in particular is a kind of economical management teaching device, including base assembly, upper holder assembly, adjust Power Component, rotating cylinder component and board of education component, upper holder assembly and board of education component can lift adjustment height simultaneously in the present invention, the present invention is adjusted to proper height, student is set more cosily to watch the board of education component in the present invention, teacher station is on upper holder assembly, and teacher teaches on board of education component, and teacher is facilitated to carry out economical management teaching.The upper holder assembly is located at the upper end of base assembly, the left and right ends of base assembly are connect with seat of honour component slippage, Power Component is adjusted to be fixedly connected on holder assembly, the left and right ends for adjusting Power Component are connect with seat of honour component slippage, board of education component is fixedly connected on the upper end of holder assembly, with board of education component by being threadedly engaged, rotating cylinder component is rotatably assorted rotating cylinder component with upper holder assembly, adjusts Power Component and is engaged with rotating cylinder component by gear.
Description
Technical field
The present invention relates to a kind of instructional devices, are in particular a kind of economical management teaching devices.
Background technique
Application No. is a kind of classroom interactions' instructional device of CN201620135424.3, which discloses a kind of teacher
Raw interactive teaching device, including the first instructional device ontology, control device, maintenance door, mobile base, multiple movable pulleys,
Interact display screen, the second instructional device ontology, a pair of of loudspeaker, signal receiving device, embedded grooves arranged, camera, connection shaft
And operation collecting board；Control device, movable pulley are located in mobile base, and maintenance door connects control device, the first instructional device
Ontology is located on control device, and interaction display screen, the second instructional device ontology are located on the first instructional device ontology, loudspeaker,
Signal receiving device, embedded grooves arranged are located in the second instructional device ontology, and for camera in embedded grooves arranged, operation collecting board is logical
It crosses connection shaft and connects the first instructional device ontology.The utility model can before the teaching of teacher, teaching after and teaching process in increase
Strong teacher interacts with student's, can greatly improve the efficiency of teaching of teacher and the learning initiative of student, is conducive to promote teachers and students
Emotion.The utility model is not easy to adjustment height, thus being not easy in different environments explain student.
Summary of the invention
The present invention provides a kind of economical management teaching device, and its advantages are upper holder assembly and teaching board group in the present invention
Part can simultaneously lift adjustment height, the present invention is adjusted to proper height, watches student more cosily in the present invention
Board of education component, teacher station is on upper holder assembly, and teacher teaches on board of education component, facilitates teacher to carry out economical
Management drop loss.
The present invention relates to a kind of instructional devices, are in particular a kind of economical management teaching devices, including base assembly,
Upper holder assembly adjusts Power Component, rotating cylinder component and board of education component, and upper holder assembly and board of education component can be same in the present invention
When lift adjustment height, the present invention is adjusted to proper height, student is made more cosily to watch the teaching board group in the present invention
Part, teacher station is on upper holder assembly, and teacher teaches on board of education component, and teacher is facilitated to carry out economic management religion
It learns.
The upper holder assembly is located at the upper end of base assembly, and the left and right ends of base assembly connect with seat of honour component slippage
It connects, adjusts Power Component and be fixedly connected on holder assembly, the left and right ends for adjusting Power Component connect with seat of honour component slippage
It connects, board of education component is fixedly connected on the upper end of holder assembly, and rotating cylinder component passes through with board of education component to be threadedly engaged, rotating cylinder group
Part is rotatably assorted with upper holder assembly, adjusts Power Component and is engaged with rotating cylinder component by gear.
The base assembly includes bottom plate, cushion block, slide-bar, connection rotating plate, side seat and side bottom plate, and the upper end center of bottom plate is solid
Surely it is connected with cushion block, the left and right ends of bottom plate are fixedly connected to side bottom plate, and two when the outer end of bottom plate is fixedly connected to
Seat, the upper end of two side seats are hingedly connected with connection rotating plate, and the other end of two connection rotating plates is respectively fixedly connected at two
The middle-end of slide-bar.
The upper holder assembly includes upper base plate, empty slot, sliding slot, limit disk, pushing block placing groove, square rail, intermediate mass, annulus
With annulus frame, the left and right ends of upper base plate are provided with empty slot, and the inner end middle position of two empty slots is provided with pushing block placement
Slot, sliding slot is provided on former and later two end faces of two empty slots, and the outer end position of four sliding slots is fixedly connected to limit circle
Piece, the upper end center position of upper base plate are fixedly connected with intermediate mass, the left and right ends side of the being fixedly connected to rail of intermediate mass, the seat of honour
The middle position of plate is fixedly connected with annulus frame, and annulus frame is located at the rear end of intermediate mass, and the upper end of annulus frame is fixedly connected with circle
Ring, annulus are located at the upper end of intermediate mass, and the rear and front end of the slide-bar of left end is slidably connected at respectively on two sliding slots of left end, right
The rear and front end of the slide-bar at end is slidably connected at respectively on two sliding slots of right end, and the inner end of two connection rotating plates is to updip
Tiltedly, the lower end surface of upper base plate is bonded with the upper surface of cushion block.
The adjusting Power Component includes motor cabinet, motor, sliding block, bevel gear, screw rod, pushing block, front tongue and waits armed levers,
Motor cabinet is fixedly connected on the front end middle position of upper base plate, and the upper end of motor cabinet is fixedly connected with motor, the output shaft of motor
Across motor cabinet, the output shaft of motor is connected with screw rod by shaft coupling, and the rear end of screw rod is fixedly connected with bevel gear, screw rod with
Sliding block is by being threadedly engaged, and the lower end surface of sliding block is bonded with the upper surface of upper base plate, and the left and right ends of sliding block are hingedly connected with
Equal armed levers, two pushing blocks are slidably connected at respectively on two square rails, and the front end of two pushing blocks is fixedly connected to front tongue, and two
The other end of equal armed levers is hingedly connected on two front tongues, and two pushing blocks are located in two pushing block placing grooves.
The board of education component includes center pillar, external screw thread round bar, cross bar, vertical frame bar, short axle, board of education, L shape bar, consolidates
Fixed set, short cylindrical and card slot, center pillar are fixedly connected on the upper end of cushion block, and center pillar passes through annulus, and external screw thread round bar is slidably connected at
On center pillar, the left and right ends of external screw thread round bar upper end are fixedly connected to cross bar, and the outer end of two cross bars is fixedly connected with
There is vertical frame bar, the middle position of the left and right ends of board of education is fixedly connected to short axle, and two short axles are rotatably connected on two respectively
The middle-end of a vertical frame bar, the right end of the short axle of right end are fixedly connected with short cylindrical, and the upper and lower ends of short cylindrical are provided with card slot,
The upper end of the vertical frame bar of right end is fixedly connected with fixing sleeve, and the upper end of L shape bar is slidably connected on fixing sleeve, the lower end of L shape bar
It is inserted in the card slot of upper end.
The rotating cylinder component includes rotating cylinder, fixed ring and bevel gear ring, and rotating cylinder clearance fit is inserted in annulus, under rotating cylinder
End outside is fixedly connected there are two fixed ring, and two fixed rings are bonded with the upper and lower end face of annulus respectively, and the lower end of rotating cylinder is fixed
It is connected with bevel gear ring, bevel gear ring is engaged with bevel gear, and screw thread, the periphery of external screw thread round bar are provided on the inner peripheral surface of rotating cylinder
Screw thread is provided on face, external screw thread round bar is located in rotating cylinder, and external screw thread round bar is with rotating cylinder by being threadedly engaged.
A kind of economical management teaching device of the invention has the beneficial effect that：
A kind of economical management teaching device of the present invention, upper holder assembly and board of education component can rising-falling tones simultaneously in the present invention
Section height, the present invention is adjusted to proper height, student is made more cosily to watch the board of education component in the present invention, teacher station
On upper holder assembly, and teacher teaches on board of education component, and teacher is facilitated to carry out economical management teaching.
Detailed description of the invention
The present invention will be further described in detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is a kind of overall structure diagram one of economical management teaching device of the present invention；
Fig. 2 is a kind of overall structure diagram two of economical management teaching device of the present invention；
Fig. 3 is the structural schematic diagram of base assembly；
Fig. 4 is the structural schematic diagram one of upper holder assembly；
Fig. 5 is the structural schematic diagram two of upper holder assembly；
Fig. 6 is the structural schematic diagram for adjusting Power Component；
Fig. 7 is the structural schematic diagram of rotating cylinder component；
Fig. 8 is the structural schematic diagram one of board of education component；
Fig. 9 is the structural schematic diagram two of board of education component.
In figure：Base assembly 1；Bottom plate 1-1；Cushion block 1-2；Slide-bar 1-3；Connection rotating plate 1-4；Side seat 1-5；Side bottom plate 1-6；
Upper holder assembly 2；Upper base plate 2-1；Empty slot 2-2；Sliding slot 2-3；Limit disk 2-4；Pushing block placing groove 2-5；Square rail 2-6；Intermediate mass
2-7；Annulus 2-8；Annulus frame 2-9；Adjust Power Component 3；Motor cabinet 3-1；Motor 3-2；Sliding block 3-3；Bevel gear 3-4；Screw rod
3-5；Pushing block 3-6；Front tongue 3-7；Equal armed levers 3-8；Rotating cylinder component 4；Rotating cylinder 4-1；Fixed ring 4-2；Bevel gear ring 4-3；Teaching
Board group part 5；Center pillar 5-1；External screw thread round bar 5-2；Cross bar 5-3；Vertical frame bar 5-4；Short axle 5-5；Board of education 5-6；L shape bar 5-7；
Fixing sleeve 5-8；Short cylindrical 5-9；Card slot 5-10.
Specific embodiment
Specific embodiment one：
Illustrate present embodiment below with reference to Fig. 1-9, the present invention relates to a kind of instructional devices, are in particular a kind of warps
Help management drop loss device, including base assembly 1, upper holder assembly 2, adjusting Power Component 3, rotating cylinder component 4 and board of education component 5,
Can simultaneously lift adjustment height, the present invention is adjusted to proper height, student is made more cosily to watch the religion in the present invention
Learn board group part 5, teacher station is on upper holder assembly 2, and teacher teaches on board of education component 5, facilitate teacher carry out through
Help management drop loss.
The upper holder assembly 2 is located at the upper end of base assembly 1, and the left and right ends of base assembly 1 are slided with upper holder assembly 2
Connection, adjust Power Component 3 be fixedly connected on holder assembly 2, adjust Power Component 3 left and right ends with upper holder assembly 2
It is slidably connected, board of education component 5 is fixedly connected on the upper end of holder assembly 2, and rotating cylinder component 4 and board of education component 5 pass through screw thread
Cooperation, rotating cylinder component 4 are rotatably assorted with upper holder assembly 2, adjust Power Component 3 and are engaged with rotating cylinder component 4 by gear.
The base assembly 1 includes bottom plate 1-1, cushion block 1-2, slide-bar 1-3, connection rotating plate 1-4, side seat 1-5 and side bottom plate
1-6, the upper end center of bottom plate 1-1 are fixedly connected with cushion block 1-2, and the left and right ends of bottom plate 1-1 are fixedly connected to side bottom plate 1-
6, the outer end of two side bottom plate 1-6 is fixedly connected to side seat 1-5, and the upper end of two side seat 1-5 is hingedly connected with connection and turns
Plate 1-4, the other end of two connection rotating plate 1-4 are respectively fixedly connected with the middle-end in two slide-bar 1-3.
The upper holder assembly 2 include upper base plate 2-1, empty slot 2-2, sliding slot 2-3, limit disk 2-4, pushing block placing groove 2-5,
Square rail 2-6, intermediate mass 2-7, annulus 2-8 and annulus frame 2-9, the left and right ends of upper base plate 2-1 are provided with empty slot 2-2, and two
The inner end middle position of empty slot 2-2 is provided with pushing block placing groove 2-5, is respectively provided on former and later two end faces of two empty slot 2-2
There is sliding slot 2-3, the outer end position of four sliding slot 2-3 is fixedly connected to limit disk 2-4, the upper end center position of upper base plate 2-1
It sets and is fixedly connected with intermediate mass 2-7, the left and right ends side of the being fixedly connected to rail 2-6 of intermediate mass 2-7, the centre of upper base plate 2-1
Position is fixedly connected with annulus frame 2-9, and annulus frame 2-9 is located at the rear end of intermediate mass 2-7, and the upper end of annulus frame 2-9 is fixedly connected
There are annulus 2-8, annulus 2-8 to be located at the upper end of intermediate mass 2-7, the rear and front end of the slide-bar 1-3 of left end is slidably connected at a left side respectively
On two sliding slot 2-3 at end, the rear and front end of the slide-bar 1-3 of right end is slidably connected at respectively on two sliding slot 2-3 of right end, and two
The inner end of a connection rotating plate 1-4 tilts upwards, and the lower end surface of upper base plate 2-1 is bonded with the upper surface of cushion block 1-2.Cushion block 1-2
Effect be to pad in the lower end of upper base plate 2-1, limit the distance between bottom plate 1-1 and upper base plate 2-1；The slide-bar 1-3 of left end can
To slide between the two of left end sliding slot 2-3, the slide-bar 1-3 of right end can be slided between two sliding slot 2-3 of right end, when
Two slide-bar 1-3 close to when, the distance between bottom plate 1-1 and upper base plate 2-1 reduce, when two slide-bar 1-3 away from movement when, bottom
The distance between plate 1-1 and upper base plate 2-1 increase.
The adjusting Power Component 3 includes motor cabinet 3-1, motor 3-2, sliding block 3-3, bevel gear 3-4, screw rod 3-5, pushing block
3-6, front tongue 3-7 and armed levers 3-8 is waited, motor cabinet 3-1 is fixedly connected on the front end middle position of upper base plate 2-1, motor cabinet 3-1
Upper end be fixedly connected with motor 3-2, the output shaft of motor 3-2 passes through motor cabinet 3-1, and the output shaft of motor 3-2 passes through shaft coupling
Device is connected with screw rod 3-5, and the rear end of screw rod 3-5 is fixedly connected with bevel gear 3-4, screw rod 3-5 and sliding block 3-3 and is matched by screw thread
It closes, the lower end surface of sliding block 3-3 is bonded with the upper surface of upper base plate 2-1, and the left and right ends of sliding block 3-3, which are hingedly connected with, waits armed levers
3-8, two pushing block 3-6 are slidably connected at respectively on two square rail 2-6, and the front end of two pushing block 3-6 is fixedly connected to lordosis
Plate 3-7, the other end of two equal armed levers 3-8 are hingedly connected on two front tongue 3-7, and two pushing block 3-6 are located at
In two pushing block placing groove 2-5.Motor 3-2 can drive screw rod 3-5 to rotate when rotating, screw rod 3-5 can control cunning when rotating
Block 3-3 slides back and forth, can be controlled by two equal armed levers 3-8 when sliding block 3-3 slides back and forth two pushing block 3-6 it is opposite simultaneously or
Away from movement, two slide-bar 1-3 can be pushed away from movement, bottom plate 1-1 and upper base plate 2- respectively when two pushing block 3-6 are away from movement
The distance between 1 increase, two pushing block 3-6 close to when, since two slide-bar 1-3 of effect of upper 2 gravity of holder assembly are also leaned on therewith
Closely.
The board of education component 5 include center pillar 5-1, external screw thread round bar 5-2, cross bar 5-3, vertical frame bar 5-4, short axle 5-5,
Board of education 5-6, L shape bar 5-7, fixing sleeve 5-8, short cylindrical 5-9 and card slot 5-10, center pillar 5-1 are fixedly connected on the upper of cushion block 1-2
End, center pillar 5-1 pass through annulus 2-8, and external screw thread round bar 5-2 is slidably connected on center pillar 5-1, a left side for the upper end external screw thread round bar 5-2
Right both ends are fixedly connected to cross bar 5-3, and the outer end of two cross bar 5-3 is fixedly connected to vertical frame bar 5-4, board of education 5-
The middle position of 6 left and right ends is fixedly connected to short axle 5-5, and two short axle 5-5 are rotatably connected on two vertical frame bars respectively
The middle-end of 5-4, the right end of the short axle 5-5 of right end are fixedly connected with short cylindrical 5-9, and the upper and lower ends of short cylindrical 5-9 are provided with
Card slot 5-10, the upper end of the vertical frame bar 5-4 of right end are fixedly connected with fixing sleeve 5-8, and the upper end of L shape bar 5-7 is slidably connected at solid
Surely it covers on 5-8, the lower end of L shape bar 5-7 is inserted in the card slot 5-10 of upper end.Board of education 5-6 can be by two short axle 5-5 two
It is rotated between a vertical frame bar 5-4, so that board of education 5-6 is carried out turn-over, board of education 5-6 two-sided can be used, in board of education 5-6
On can write for student viewing.Board of education 5-6 will drive short cylindrical 5-9 also with rotation when rotating, L shape bar 5-7 can be
It is slided on fixing sleeve 5-8, L shape bar 5-7, which is respectively inserted on two card slot 5-10, can be fixed on board of education 5-6 different face
Before.
The rotating cylinder component 4 includes rotating cylinder 4-1, fixed ring 4-2 and bevel gear ring 4-3, and rotating cylinder 4-1 clearance fit is inserted in circle
In ring 2-8, the lower end outside of rotating cylinder 4-1 is fixedly connected there are two fixed ring 4-2, and two fixed ring 4-2 are respectively with annulus 2-8's
Upper and lower end face fitting, the lower end of rotating cylinder 4-1 are fixedly connected with bevel gear ring 4-3, and bevel gear ring 4-3 is engaged with bevel gear 3-4, turn
It is provided with screw thread on the inner peripheral surface of cylinder 4-1, screw thread is provided on the outer peripheral surface of external screw thread round bar 5-2, external screw thread round bar 5-2 is located at
In rotating cylinder 4-1, external screw thread round bar 5-2 and rotating cylinder 4-1 is by being threadedly engaged.Screw rod 3-5 also will drive bevel gear 3-4 and turn when rotating
Dynamic, bevel gear 3-4 can be rotated when rotating with dynamic bevel gear ring 4-3, so that rotating cylinder 4-1 is driven to rotate on annulus 2-8, two
The effect of fixed ring 4-2 is to prevent rotating cylinder 4-1 from moving up and down, and rotating cylinder 4-1 can drive external screw thread round bar 5-2 in center pillar when rotating
The upper vertical shift of 5-1, when two slide-bar 1-3 are away from movement, external screw thread round bar 5-2 is moved up, two slide-bar 1-3 close to when,
External screw thread round bar 5-2 is moved down, and teacher needs to stand to teach on upper base plate 2-1, and upper base plate 2-1 is equivalent to dais, says
Board of education 5-6 can also be increased when platform increases, and the present invention is adjusted to proper height, student is made more cosily to watch board of education 5-
6。
The working principle of the invention：The effect of cushion block 1-2 is to pad in the lower end of upper base plate 2-1, limits bottom plate 1-1 and the seat of honour
The distance between plate 2-1；The slide-bar 1-3 of left end can be slided between two sliding slot 2-3 of left end, and the slide-bar 1-3 of right end can
To be slided between the two of right end sliding slot 2-3, when two slide-bar 1-3 close to when, between bottom plate 1-1 and upper base plate 2-1 away from
From reduction, when two slide-bar 1-3 are away from movement, the distance between bottom plate 1-1 and upper base plate 2-1 increase.When motor 3-2 is rotated
Screw rod 3-5 can be driven to rotate, screw rod 3-5 can control sliding block 3-3 when rotating and slide back and forth, and sliding block 3-3 can when sliding back and forth
With opposite simultaneously or away from movement, meeting when two pushing block 3-6 are away from movement that controls two pushing block 3-6 by two equal armed levers 3-8
Push two slide-bar 1-3 away from movement respectively, the distance between bottom plate 1-1 and upper base plate 2-1 increase.Board of education 5-6 can lead to
It crosses two short axle 5-5 to rotate between two vertical frame bar 5-4, so that board of education 5-6 is carried out turn-over, board of education 5-6 can be double
Face uses, and can write on board of education 5-6 for student viewing.L shape bar 5-7 can be slided on fixing sleeve 5-8, L shape bar 5-7
Be respectively inserted on two card slot 5-10 board of education 5-6 can be fixed on it is different forward-facing.Screw rod 3-5 also will drive when rotating
Bevel gear 3-4 rotation, bevel gear 3-4 can be rotated when rotating with dynamic bevel gear ring 4-3, to drive rotating cylinder 4-1 in annulus 2-8
Upper rotation, the effect of two fixed ring 4-2 are to prevent rotating cylinder 4-1 from moving up and down, and rotating cylinder 4-1 can drive external screw thread circle when rotating
Bar 5-2 vertical shift on center pillar 5-1, when two slide-bar 1-3 are away from movement, external screw thread round bar 5-2 is moved up, two slide-bars
1-3 close to when, external screw thread round bar 5-2 is moved down, teacher need stand teaches on upper base plate 2-1, upper base plate 2-1 is suitable
In dais, board of education 5-6 can also be increased when dais increases, and the present invention is adjusted to proper height, sees student more cosily
See board of education 5-6.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made within the essential scope of the present invention also belong to guarantor of the invention
Protect range.
Claims (6)
1. a kind of economical management teaching device, including base assembly (1), upper holder assembly (2), adjusting Power Component (3), rotating cylinder group
Part (4) and board of education component (5), it is characterised in that：The upper holder assembly (2) is located at the upper end of base assembly (1), base assembly
(1) left and right ends are slidably connected with upper holder assembly (2), adjust Power Component (3) and are fixedly connected on holder assembly (2),
The left and right ends for adjusting Power Component (3) are slidably connected with upper holder assembly (2), and board of education component (5) is fixedly connected on the seat of honour
The upper end of component (2), rotating cylinder component (4) passes through with board of education component (5) to be threadedly engaged, rotating cylinder component (4) and upper holder assembly (2)
It is rotatably assorted, adjusts Power Component (3) and engaged with rotating cylinder component (4) by gear.
2. a kind of economical management teaching device according to claim 1, it is characterised in that：The base assembly (1) includes
Bottom plate (1-1), cushion block (1-2), slide-bar (1-3), connection rotating plate (1-4), side seat (1-5) and side bottom plate (1-6), bottom plate (1-1)
Upper end center be fixedly connected with cushion block (1-2), the left and right ends of bottom plate (1-1) are fixedly connected to side bottom plate (1-6), two
The outer end of side bottom plate (1-6) is fixedly connected to side seat (1-5), and the upper end of two side seats (1-5) is hingedly connected with connection and turns
Plate (1-4), the other end of two connection rotating plates (1-4) are respectively fixedly connected with the middle-end in two slide-bars (1-3).
3. a kind of economical management teaching device according to claim 2, it is characterised in that：The upper holder assembly (2) includes
Upper base plate (2-1), empty slot (2-2), sliding slot (2-3), limit disk (2-4), pushing block placing groove (2-5), square rail (2-6), centre
Block (2-7), annulus (2-8) and annulus frame (2-9), the left and right ends of upper base plate (2-1) are provided with empty slot (2-2), two skies
The inner end middle position of slot (2-2) is provided with pushing block placing groove (2-5), on former and later two end faces of two empty slots (2-2)
It is provided with sliding slot (2-3), the outer end position of four sliding slots (2-3) is fixedly connected to limit disk (2-4), upper base plate (2-1)
Upper end center position be fixedly connected with intermediate mass (2-7), the left and right ends side of the being fixedly connected to rail (2- of intermediate mass (2-7)
6), the middle position of upper base plate (2-1) is fixedly connected with annulus frame (2-9), after annulus frame (2-9) is located at intermediate mass (2-7)
End, the upper end of annulus frame (2-9) are fixedly connected with annulus (2-8), and annulus (2-8) is located at the upper end of intermediate mass (2-7), left end
The rear and front end of slide-bar (1-3) is slidably connected at respectively on two sliding slots (2-3) of left end, the front and back of the slide-bar (1-3) of right end
Both ends are slidably connected at respectively on two sliding slots (2-3) of right end, and the inner end of two connection rotating plates (1-4) tilts upwards, on
The lower end surface of seat board (2-1) is bonded with the upper surface of cushion block (1-2).
4. a kind of economical management teaching device according to claim 3, it is characterised in that：The adjusting Power Component (3)
Including motor cabinet (3-1), motor (3-2), sliding block (3-3), bevel gear (3-4), screw rod (3-5), pushing block (3-6), front tongue (3-
7) and grade armed levers (3-8), motor cabinet (3-1) are fixedly connected on the front end middle position of upper base plate (2-1), motor cabinet (3-1)
Upper end is fixedly connected with motor (3-2), and the output shaft of motor (3-2) passes through motor cabinet (3-1), and the output shaft of motor (3-2) is logical
It crosses shaft coupling to be connected with screw rod (3-5), the rear end of screw rod (3-5) is fixedly connected with bevel gear (3-4), screw rod (3-5) and sliding block
(3-3) by being threadedly engaged, the lower end surface of sliding block (3-3) is bonded with the upper surface of upper base plate (2-1), the left and right of sliding block (3-3)
Both ends are hingedly connected with equal armed levers (3-8), and two pushing blocks (3-6) are slidably connected at respectively on two square rails (2-6), and two push away
The front end of block (3-6) is fixedly connected to front tongue (3-7), and the other end of two equal armed levers (3-8) is hingedly connected two
On a front tongue (3-7), two pushing blocks (3-6) are located in two pushing block placing grooves (2-5).
5. a kind of economical management teaching device according to claim 4, it is characterised in that：Board of education component (5) packet
Include center pillar (5-1), external screw thread round bar (5-2), cross bar (5-3), vertical frame bar (5-4), short axle (5-5), board of education (5-6), L shape
Bar (5-7), fixing sleeve (5-8), short cylindrical (5-9) and card slot (5-10), center pillar (5-1) are fixedly connected on the upper of cushion block (1-2)
End, center pillar (5-1) pass through annulus (2-8), and external screw thread round bar (5-2) is slidably connected on center pillar (5-1), external screw thread round bar (5-
2) left and right ends of upper end are fixedly connected to cross bar (5-3), and the outer end of two cross bars (5-3) is fixedly connected to vertical frame
Bar (5-4), the middle position of the left and right ends of board of education (5-6) are fixedly connected to short axle (5-5), two short axles (5-5) point
It is not rotatably connected on the middle-end of two vertical frame bars (5-4), the right end of the short axle (5-5) of right end is fixedly connected with short cylindrical (5-9),
The upper and lower ends of short cylindrical (5-9) are provided with card slot (5-10), and the upper end of the vertical frame bar (5-4) of right end is fixedly connected with fixation
It covers (5-8), the upper end of L shape bar (5-7) is slidably connected on fixing sleeve (5-8), and the lower end of L shape bar (5-7) is inserted in the card of upper end
In slot (5-10).
6. a kind of economical management teaching device according to claim 5, it is characterised in that：The rotating cylinder component (4) includes
Rotating cylinder (4-1), fixed ring (4-2) and bevel gear ring (4-3), rotating cylinder (4-1) clearance fit are inserted in annulus (2-8), rotating cylinder (4-
1) lower end outside is fixedly connected there are two fixed ring (4-2), two fixed rings (4-2) upper and lower side with annulus (2-8) respectively
Face paste is closed, and the lower end of rotating cylinder (4-1) is fixedly connected with bevel gear ring (4-3), and bevel gear ring (4-3) is engaged with bevel gear (3-4),
It is provided with screw thread on the inner peripheral surface of rotating cylinder (4-1), screw thread, external screw thread round bar are provided on the outer peripheral surface of external screw thread round bar (5-2)
(5-2) is located in rotating cylinder (4-1), and external screw thread round bar (5-2) is with rotating cylinder (4-1) by being threadedly engaged.
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| CN201810800760.9A CN108877405B (en) | 2018-07-20 | 2018-07-20 | Economic management teaching device |
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| CN201810800760.9A CN108877405B (en) | 2018-07-20 | 2018-07-20 | Economic management teaching device |
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| CN108877405A true CN108877405A (en) | 2018-11-23 |
| CN108877405B CN108877405B (en) | 2020-05-12 |
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| CN201810800760.9A Active CN108877405B (en) | 2018-07-20 | 2018-07-20 | Economic management teaching device |
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| CN110322802A (en) * | 2019-05-10 | 2019-10-11 | 郑州铁路职业技术学院 | A kind of sales publicity Dynamic Display board |
| CN111341226A (en) * | 2020-03-05 | 2020-06-26 | 王良宝 | Big data-based advertising system |
| CN112908109A (en) * | 2021-01-28 | 2021-06-04 | 山东工业职业学院 | Novel international economy and trade's teaching is with removing demonstration device |
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| CN108877405B (en) | 2020-05-12 |
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