CN110033673A - A kind of higher education displaying device - Google Patents
A kind of higher education displaying device Download PDFInfo
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- CN110033673A CN110033673A CN201910448951.8A CN201910448951A CN110033673A CN 110033673 A CN110033673 A CN 110033673A CN 201910448951 A CN201910448951 A CN 201910448951A CN 110033673 A CN110033673 A CN 110033673A
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- expansion board
- plate
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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
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- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
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- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
- Toys (AREA)
Abstract
The present invention relates to teaching aid technical fields, especially a kind of higher education displaying device, including substrate, wherein, containing cavities are offered in the substrate, two pieces of identical expansion plates are slidably connected in the containing cavities, two pieces of expansion plates are flexibly connected by bindiny mechanism, the both sides of the face of the substrate are fixed with the elevating mechanism that two pieces of expansion plates of control slide up and down in containing cavities, the one end of the expansion plate in accommodating groove is extended with tailgate, before the substrate, rear end face respectively slidably connects two piece of first expansion board, the mutually separate end face of the expansion plate respectively slidably connects two piece of second expansion board, first expansion board and the second expansion board pass through connector and Xiao Zu mechanism is realized and slided in the two side ends of substrate and expansion plate to the width direction of substrate and expansion plate, the folding that the present invention realizes display board is received It receives function, exhibition size can be adjusted as needed, reduce overall volume, had a wide range of applications in teaching aid technical field.
Description
Technical field
The present invention relates to teaching aid technical field, especially a kind of higher education displaying device.
Background technique
It usually requires display board during higher education write and then be shown information, in the prior art
It is able to carry out generally blackboard and the blank of written contents, blackboard volume is sufficiently large, is fixed on the wall, but is not easy to carry out
Mobile replacement position；Blank is small in size, is fixed or is suspended on wall by fixed frame, but small in size, is not easy to
Write and can not carry out sufficient information displaying up to a large amount of contents, it is therefore desirable to which one kind is able to carry out folding, as needed
Suitable area volume is adjusted, and easy to remove, reduces the displaying device of occupied space size.
Summary of the invention
Big to solve existing displaying plate suqare, inconvenience is mobile or small in size, can not provide enough write areas
The problem of, invent a kind of higher education displaying device.
The technical scheme is that including substrate, wherein containing cavities are offered in the substrate, in the containing cavities
Two pieces of identical expansion plates are slidably connected, two pieces of expansion plates are flexibly connected by bindiny mechanism, are constituted realization and are mutually leaned on
Near and far from structure, one end in accommodating groove of the expansion plate and the side far from substrate be extended with tailgate, and with it is flexible
Plate constitutes L-type limit card slot structure, forms two pieces of expansion plates and exists in the front and rear end of the separate end face of containing cavities foreign minister and substrate
Structure in same level, the both sides of the face of the substrate are fixed with what two pieces of expansion plates of control slided up and down in containing cavities
Elevating mechanism, the front and rear end of the substrate respectively slidably connect two piece of first expansion board, and two pieces of expansion plates are mutually separate
End face respectively slidably connects two piece of second expansion board, and first expansion board and the second expansion board pass through connector and pin resistance machine
Structure, which is realized, to be slided in the two side ends of substrate and expansion plate to the width direction of substrate and expansion plate, and the first expansion board and second is formed
The expansion board structure with the outer end face of substrate and expansion plate on same level end face respectively.
Preferably, the connection structure includes base shaft, the first telescopic joint, the second telescopic joint, fixed block, second spring, branch
Strut, pull rod, traction rope and fixed pulley, the center of the mutually close end face of two pieces of expansion plates are respectively and fixedly provided with base shaft, and described
One end of one telescopic joint is slidably connected in base shaft, and the both ends of second telescopic joint are slidably connected at the second telescopic joint of two sides
Interior, the fixed block is fixedly connected on the outer surface of the one end of base shaft far from expansion plate, and the second spring is set in first and stretches
Outside casing coupling and the second telescopic joint and between the fixed block of two sides, the support rod has several and one end therein is fixedly connected
On fixed block, the other end is fixedly connected on the end face of expansion plate, constitutes umbrella supporting rack structure, the lower end of the fixed block
Swivelling chute is offered, one end of the pull rod is hingedly connected in swivelling chute by pin rod, and the other end of two pull rods hingedly connects
It is connected together, one end of the traction rope is fixed on two one end of the pull rod far from fixed block, the interior bottom of the containing cavities
Portion is fixed with two support plates, and the fixed pulley is rotatably connected between two support plates, and the other end of the traction rope bypasses
Fixed pulley simultaneously extends to the external world from the outer end face through substrate, and the traction rope is fixedly connected with pull ring outside containing cavities.
Preferably, the both sides of the face of two pieces of expansion plates offer tooth socket, constitute rack structure, and the elevating mechanism passes through
The side wall for wearing substrate is meshed in containing cavities with tooth socket, and the elevating mechanism includes shell, traveling wheel, the first driving wheel,
Two driving wheels, master bevel gear, from bevel gear, first rotating shaft, the second shaft, third shaft, first bearing, second bearing, third
Bearing, fourth bearing, turntable and handle, the top of the side end face of the substrate offers the walking hole of connection containing cavities, described
Shell is fixed on the side end face of the substrate at walking hole, and the traveling wheel is inside the shell and part is through walking hole and tooth socket phase
Engagement, the third shaft are fixedly connected at the axle center of traveling wheel, and the inner ring of the fourth bearing is set in outside third shaft
And connect with third shaft interference, at the third shaft pair substrate side end face on be fixed with connecting column, the described 4th
The outer ring of bearing is fixedly connected with connecting column far from one end of substrate, the third shaft through the second driving wheel axle center and with
The inner ring interference of 3rd bearing connects, and the outer ring of the 3rd bearing is fixedly connected on the side wall of shell, second transmission
Wheel interference is connected in third shaft, and second shaft is through the axle center of the first driving wheel and the inner ring of one end and second bearing
Interference connection, the other end are fixedly connected on from the axle center of bevel gear, and first driving wheel is connect simultaneously with the second shaft interference
Be meshed with the second driving wheel, the outer ring of the second bearing is fixedly connected on the side wall of shell, the master bevel gear with from
Bevel gear is meshed, and one end of the first rotating shaft is fixedly connected on the axle center of master bevel gear, and the other end is through first bearing
Inner ring and far from the end face of substrate the external world being extended to through shell, the inner ring of the first bearing is connect with first bearing interference,
Outer ring is fixedly connected on shell far from the internal end surface of substrate, and the first rotating shaft is fixedly connected on the axis of turntable outside shell
The heart, the turning handle are fixedly connected on the edge of end face of the turntable far from shell.
Preferably, the upper and lower ends of the front and rear end of the substrate end face mutually separate with two pieces of expansion plates offer L
Type and two first sliding grooves symmetrical respectively about the lateral central axes of substrate and expansion plate, the substrate and expansion plate
Both sides of the face offer the second sliding slot for the L-type being connected with first sliding groove, in first expansion board and the second expansion board
The fixed slider bar being respectively and fixedly provided with first sliding groove to identical L-type, the slider bar are slidably connected in first sliding groove and realize
First expansion board and the second expansion board are slidably connected with substrate and expansion plate respectively.
Preferably, connector is slidably connected in first expansion board and the second expansion board at the slider bar both ends, institute
Stating connector includes slide plate, shoes, limited block, block, the first Attraction block and the second Attraction block, first expansion board and second
The both ends of expansion board offer vertical section be cross third sliding slot, the third sliding slot and slider bar in the first expansion board and
On same level straight line, the slide plate is L-type identical with sliding strip, the shoes for junction in second expansion board
For T-type, and one section of end point-blank is not fixedly connected with one end of slide plate, and the other end of the shoes, which slides, to be connected
It connects in third sliding slot, the block is fixed on bottom of the third sliding slot far from one end extraneous and far from slider bar, the limit
Position block is fixed on bottom of the shoes close to slider bar, and between slider bar and block, and first Attraction block and second is inhaled
Attached piece is magnet, and first Attraction block is fixedly connected on the one end of slide plate close to slider bar, and second Attraction block is fixed
It is connected to the end of slider bar, constitutes the first Attraction block and the second Attraction block attracts each other the structure of connection, the slide plate is separate
One end of third sliding slot open up it is jagged, and make slide plate far from slider bar one end constitute connector.
Preferably, the Xiao Zu mechanism includes pin resistance head, the first spring, envelope block, push rod and push plate, the substrate and flexible
The both ends in the upper/lower terminal face of plate offer the pin resistance hole of connection first sliding groove, and the pin resistance is successively put from inside to outside in hole
It is equipped with pin resistance head, the first spring and envelope block, substrate at pin resistance hole and to offer connection on the upper and lower end face of expansion plate recessed
Slot, and the structure that vertical section is T-type is constituted with pin resistance hole, the vertical section of the envelope block is T-type and hinders hole with connecting groove and pin
The T-type structure of composition matches, and the envelope block is fixedly connected in connecting groove close to extraneous one end, and the slide plate is close to the
One section of three sliding slots and pin hole is offered on the end face of slider bar, the pin resistance head clamping, which is connected in pin hole, to be realized to cunning
The pin of plate hinders, pin resistance hole pair substrate and expansion plate side end face and substrate front and rear end and two pieces of expansion plates
Think to offer the 4th sliding slot on separate end face, the slide opening in connection pin resistance hole is offered in the 4th sliding slot, the push rod
One end is fixedly connected through one end that slide opening and pin hinder head rest short round spring, the other end of the push rod in the 4th sliding slot and with push away
Plate is fixedly connected.
Preferably, the center of two pieces of first expansion board side mutually close with the second expansion board offers identical respectively
The first card slot and the second card slot, two pieces of first expansion board or the first card slot in the second expansion board or the second card slot are closed
It is symmetrical in the vertical central axes of substrate or expansion plate, it is connected with fixture block in two first card slots or the second card slot,
It is offered on the fixture block and collects hole, the two sides of the front and rear end of the substrate offer third card identical with the first card slot
Slot, and side line of first card slot with third card slot about substrate symmetrically divides when the two sides of the substrate of the first expansion board movement
Cloth, the two sides of the mutually separate end face of the expansion plate offer the 4th card slot, the mobile expansion plate of second expansion board
The second card slot and the 4th card slot are symmetrical about the side line of expansion plate when two sides.
Preferably, the lower end surface of the substrate is fixedly connected with connecting rod, and the connecting rod is rotatably connected to telescopic rod, institute
The bottom end for stating telescopic rod is fixedly connected with chassis, and universal wheel is fixedly connected on the chassis, and the telescopic rod is stretched including first
One end of contracting bar and the second telescopic rod, second telescopic rod is slidably connected in the first telescopic rod, and second telescopic rod is remote
Turning groove is offered on the end face of one end from the first telescopic rod, the connecting rod is extended with rotation far from one end of substrate
Bar, the rotating bar are rotatably connected in turning groove, and the outer surface of second telescopic rod offers connection turning groove
Pin resistance screw hole, the pin resistance screw hole internal screw thread are connected with the first pin resistance bolt, offer in the rotating bar and hinder screw hole phase with pin
Corresponding pin hinders groove, and one end of the first pin resistance bolt extends in pin resistance groove, and first telescopic rod and second connects
The outer surface thread of one end of extension bar junction is connected with the second pin resistance bolt, and it is flexible beyond first to form the second telescopic rod of adjusting
The structure of the length of bar, first telescopic rod are fixedly connected at the axle center on chassis far from one end of substrate.
It can achieve following using technical solution of the present invention the utility model has the advantages that (1) passes through bindiny mechanism and elevating mechanism
It is used cooperatively, can be realized expansion plate and be removed and placed into out of substrate, and then realize the folding storage function of display board, do not make
Used time reduces the volume of whole device, and close to each other and separate by the line that bindiny mechanism can be realized expansion plate, separate
When convenient for two pieces of expansion plates after being come out out of substrate outerplanar with several classes of money, rear end face in the same plane, close to when energy
Two pieces of expansion plates are enough facilitated to be accommodated into the containing cavities of substrate；(2) being used cooperatively by connector and Xiao Zu mechanism, convenient for
First expansion board and the second expansion board when sliding into the two sides of substrate and expansion plate can Tong Nuoxiaozu mechanism pin resistance connector, make
The first expansion board and the second expansion board can continue to sliding abjection substrate and expansion plate, while by connector and substrate and stretching
The connection of contracting plate, but also the first expansion board and the second expansion board can be enabled along substrate and expansion plate by connector
Span direction sliding, so that the outerplanar of the first expansion board and the second expansion board and substrate and expansion plate is maintained at same flat
On face, the extension of display board is realized；(3) pass through the cooperation of the first card slot, the second card slot, third card slot, third card slot and fixture block
It uses, can be clamped and link together in the case where the first expansion board and the second expansion board are not unfolded, form an entirety,
It can link together with substrate and expansion plate clamping in the case where expansion, after increasing the first expansion board and the expansion of the second expansion board
The stability used；(4) it being used cooperatively by rotating bar, turning groove and the first pin resistance bolt, it can be on chassis and universal
Take turns it is motionless in the case where rotate substrate and expansion plate, writing displaying can be carried out convenient for substrate and expansion plate both ends of the surface；This
Invention has a wide range of applications in teaching aid technical field.
Detailed description of the invention
Fig. 1 is the side partial sectional view that a kind of higher education of the present invention shows device.
Fig. 2 is a-quadrant enlarged drawing in Fig. 1.
Fig. 3 is B area enlarged drawing in Fig. 1.
Fig. 4 is C regional enlarged drawing in Fig. 1.
Fig. 5 is D regional enlarged drawing in Fig. 1.
Fig. 6 is E regional enlarged drawing in Fig. 1.
Fig. 7 is that a kind of higher education of the present invention shows the positive use state of device with reference to figure.
Fig. 8 is the connector main view that a kind of higher education of the present invention shows device.
Fig. 9 is the connector side view that a kind of higher education of the present invention shows device.
Figure 10 is that a kind of higher education of the present invention shows that the pin of device hinders structure sectional view.
Figure 11 is the elevating mechanism cross-sectional view that a kind of higher education of the present invention shows device.
Wherein, 1, substrate, 2, containing cavities, 3, expansion plate, 4, tailgate, the 5, first expansion board, the 6, second expansion board, 7, first
Card slot, the 8, second card slot, 9, first sliding groove, 10, second sliding slot, 11, slider bar, 12, bindiny mechanism, 1201, base shaft, 1202,
First telescopic joint, the 1203, second telescopic joint, 1204, fixed block, 1205, support rod, 1206, second spring, 1207, swivelling chute,
1208, pull rod, 1209, pin rod, 1210, traction rope, 1211, support plate, 1212, fixed pulley, 1213, pull ring, 13, tooth socket, 14,
Elevating mechanism, 1401, shell, 1402, traveling wheel, 1403, third shaft, 1404, connecting column, 1405, fourth bearing, 1406,
Second driving wheel, 1407,3rd bearing, the 1408, first driving wheel, the 1409, second shaft, 1410, second bearing, 1411, from
Bevel gear, 1412, master bevel gear, 1413, first rotating shaft, 1414, first bearing, 1415, turntable, 1416, handle, 15, walking
Hole, 16, connector, 1601, slide plate, 1602, third sliding slot, 1603, shoes, 1604, block, 1605, limited block, 1606, pin
Hole, the 1607, first Attraction block, the 1608, second Attraction block, 1609, connector, 1610, notch, 17, Xiao Zu mechanism, 1701, pin
Hinder hole, 1702, pin resistance head, the 1703, first spring, 1704, envelope block, 1705, connecting groove, the 1706, the 4th sliding slot, 1707, sliding
Hole, 1708, push rod, 1709, push plate, 18, fixture block, 19, collect hole, 20, third card slot, 21, third card slot, 22, connecting rod,
23, the second telescopic rod, the 24, first telescopic rod, 25, turning groove, 26, rotating bar, 27, pin resistance screw hole, the 28, second pin resistance spiral shell
Bolt, 29, pin resistance groove, the 30, first pin resistance bolt, 31, chassis, 32, universal wheel.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the present invention, it is clear that is retouched
The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originally
Field those of ordinary skill obtained all other embodiment without making creative work, belongs to this hair
Bright protected range, in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have spy
Fixed orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
In the description of the present invention to importance, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
A kind of higher education as shown in figs. 1-11 is wherein offered in substrate 1 with device, including substrate 1 is shown
Containing cavities 2, and the connection external world of one end far from ground constitutes body structure open at one end, slidably connects two in containing cavities 2
The identical expansion plate 3 of block convenient for expansion plate 3 is accommodated into containing cavities 2 when not in use, and then reduces the body of whole device
Product, but also can adjust as needed the size of whole device by the function that can be stored, be unfolded, and enable whole device
It is more flexible changeable use.Two pieces of expansion plates 3 are flexibly connected by bindiny mechanism 12, are constituted and are realized two pieces of expansion plates 3
Structure close to each other or separate, convenient for by bindiny mechanism 12 realize two pieces of expansion plates 3 close to or far from so that
Two pieces of expansion plates 3 far from when its can be made mutually separate end face and substrate 1 front and rear end respectively on same perpendicular,
And two pieces of expansion plates 3 want close to when can conveniently be accommodated into containing cavities 2.The both sides of the face of two pieces of expansion plates 3 open up with teeth
Slot constitutes rack structure, is fixed on the both sides of the face of substrate 1 and is meshed and then controls what two pieces of expansion plates 3 were gone up and down with tooth socket
Elevating mechanism 14 takes out or is accommodated into containing cavities out of containing cavities 2 convenient for controlling two pieces of expansion plates 3 by elevating mechanism 14
It is interior.The one end of expansion plate 3 in accommodating groove and the side far from substrate 1 are extended with tailgate 4, and constitute L-type limit with expansion plate 3
Notch forms the outer end face of two pieces of expansion plates 3 and the front and rear end of substrate 1 after expansion plate 3 comes out out of containing cavities 2 and exists
Structure in same level avoids the completely out containing cavities of two pieces of expansion plates 3 convenient for limiting two pieces of expansion plates 3 by tailgate 4
2, lead to the top for being erected at substrate 1 that can not be stable, while it is mutually separate to limit two pieces of expansion plates 3 by tailgate 4
Distance so that the mutually separate end face of two pieces of expansion plates 3 is just with the front and rear end of substrate 1 on same perpendicular.Substrate
1 front and rear end respectively slidably connects two piece of first expansion board 5, and two pieces of mutually separate end faces of expansion plate 3 respectively slidably connect two
The second expansion board of block 6, convenient for increasing the write area of whole device by the first expansion board 5 and the second expansion board 6, and then can
Reasonable Regulation And Control is carried out, as needed convenient for flexibly using.The front and rear end of substrate 1 end face mutually separate with two pieces of expansion plates 3
Upper and lower ends offer L-type and two first sliding grooves symmetrical respectively about the lateral central axes of substrate 1 and expansion plate 3
9, the both sides of the face of substrate 1 and expansion plate 3 offer the second sliding slot 10 for the L-type being connected with first sliding groove 9, the first extension
The fixed slider bar 11 being respectively and fixedly provided with first sliding groove 9 to identical L-type on plate 5 and the second expansion board 6, the sliding of slider bar 11 connect
It connects and realizes that the first expansion board 5 and the second expansion board 6 are slidably connected with substrate 1 and expansion plate 3 respectively in first sliding groove 9, be convenient for
The first expansion board 5 is realized by the first sliding groove 9 and slider bar 11 of L-type and the second expansion board 6 is stronger with substrate 1 and stretches
Contracting plate 3 is slidably connected.First sliding groove 9 runs through the end face of substrate 1 and expansion plate 5 along the length direction of substrate 1 and expansion plate 5,
It is slidably connected in first sliding groove 9 convenient for the first expansion board 5 and the installation of the second expansion board 6.The length of second sliding slot 10 is equal to the
The width of one expansion board 5 and the second expansion board 6 slides into substrate 1 and expansion plate 3 convenient for the first expansion board 5 and the second expansion board 6
Both sides of the face after all outer end faces on same perpendicular.First expansion board 5 and the second expansion board 6 pass through 16 He of connector
Xiao Zu mechanism 17 realizes the structure slided in the two side ends of substrate 1 and expansion plate 3 to the width direction of substrate 1 and expansion plate 3, shape
At the first expansion board 5 and the second expansion board 6 structure with the outer end face of substrate 1 and expansion plate 3 on same level end face respectively,
Along substrate 1 and expansion plate 3 behind two sides convenient for the first expansion board 5 and the second expansion board 6 to be slided into substrate 1 and expansion plate 3
Width direction slided so that whole device is capable of forming one bigger, in the same perpendicular writing
Region, and then realize and show bigger write area.The lower end surface of substrate 1, which is welded and fixed, is connected with connecting rod 22, connecting rod 22
It is rotatably connected to telescopic rod, convenient for passing through the connecting rod 22 and telescopic rod of rotation connection, so that the case where telescoping tube does not rotate
It is rotated while lower realization substrate 1 and expansion plate 3, and then realizes that the front and rear end of substrate 1 and expansion plate 3 can carry out book
Write displaying.The bottom end of telescopic rod, which is welded and fixed, is connected with chassis 31, increases the forced area of whole device bottom, convenient for entire dress
Set the standing that can more consolidate on the ground.Universal wheel 32 is fixedly connected with by screw on chassis 31, convenient for by universal
Wheel 32 is able to carry out whole device to fast move.
A kind of displaying device of higher education as shown in figs. 1-11,5 He of the first expansion board at 11 both ends of slider bar
Connector 16 is slidably connected in second expansion board 6, both ends are equipped with connector 16 convenient for the first expansion board 5 and the second extension
When not being unfolded, two piece of first expansion board 5 is placed to the pin resistance positioning of connector 16 by Xiao Zu mechanism 17 or the second extension is automatic
Expansion, while limit and connection function can be played when needing and being unfolded and be moved to 3 two sides of substrate 1 and expansion plate, place first
Substrate 1 and expansion plate 3 in expansion board 5 and the second extension are more, but also the first expansion board 5 and second company of extending through can be facilitated
Fitting 16 is slided to the width direction of substrate 1 and expansion plate 3.Connector 16 includes slide plate 1601, shoes 1603, limited block
1605, it opens at the both ends of block 1604, the first Attraction block 1607 and the second Attraction block 1608, the first expansion board 5 and the second expansion board 6
It is cross third sliding slot 1602, third sliding slot 1602 and slider bar 11 in the first expansion board 5 and the second expansion equipped with vertical section
On same level straight line, slide plate 1601 is L-type identical with 11 shape of slider bar for junction in panel 6, avoids influencing to slide
Plate 1601 slides in the first sliding groove 9 on substrate 1 and expansion plate 3.Shoes 1603 is T-type, and not one point-blank
The end of section is welded and fixed with one end of slide plate 1601 to be connect, and the other end of shoes 1603 is slidably connected at third sliding slot 1602
It is interior, it is slidably connected by shoes 1603 with the first expansion board 5 and the second expansion board 6 convenient for slide plate 1601.The welding of block 1604 is solid
It is scheduled on bottom of the third sliding slot 1602 far from one end extraneous and far from slider bar 11, limited block 1605 is weldingly fixed on shoes
1603 close to the bottom of slider bar 11, and between slider bar 11 and block 1604, convenient for passing through block 1604 and limited block
1605 limit shoes 1603, prevent shoes 1603 from 1602 internal chute of third sliding slot, and then avoid slide plate 1601 from being detached from first and expand
Panel 5 and the second expansion board 6.Slide plate 1601 slides the maximum length beyond the first expansion board 5 and the second expansion board 6 and is equal to second
Sliding slot 10 is connected to one section extraneous of length, the i.e. one end of notch 1610 far from connector 1609 and the first expansion board 5 and second
The side end face of expansion board 6 is on same perpendicular, so that the part beyond the first expansion board 5 and the second expansion board 6 can just
It is enough to be slided in second sliding slot 10, and then realize the side of the first expansion board 5 and the second expansion board 6 just with substrate 1 and expansion plate 3
End face seamless connection.First Attraction block 1607 and the second Attraction block 1608 are magnet, and the first Attraction block 1607 is fixedly connected on
For slide plate 1601 close to one end of slider bar 11, the second Attraction block 1608 is fixedly connected on the end of slider bar 11, constitutes first and inhales
Attached piece 1607 and the second Attraction block 1608 attract each other the structure of connection, convenient for passing through 1607 He of the first Attraction block of magnet material
Second Attraction block 1608 realize slide plate 1601 and slider bar 11 connection, avoid slide plate 1601 when being slided in first sliding groove 9 by
Cause to slide to frictional force, and then influences marketing resistance mechanism 17 and the pin of slide plate 1601 is hindered.Slide plate 1601 is far from third sliding slot
1602 one end opens up jagged 1610, and the length of notch 1610 is equal to the depth of second sliding slot 10 and additional one end being connected to
Degree, and slide plate 1601 is made to constitute connector 1609 far from one end of slider bar 11, it is convenient for the first expansion board 5 and the second expansion board
6 can make slide plate 1601 to base behind the two sides for sliding into substrate 1 and expansion plate 3 by connector 1609 and notch 1610
The width direction of plate 1 and expansion plate 3 sliding, so that the outer end face of the first expansion board 5 and the second expansion board 6 and substrate 1
Front and rear end and the mutually separate end face of expansion plate 3 are on same perpendicular.The width of connector 1609 is equal to second sliding slot
10 any sections of rear degree, can be free to slide in second sliding slot 10 convenient for connector 1609.
With showing device, Xiao Zu mechanism 17 includes pin resistance head 1702, for a kind of higher education as shown in figs. 1-11
It opens at the both ends in the upper/lower terminal face of one spring 1703, envelope block 1704, push rod 1708 and push plate 1709, substrate 1 and expansion plate 3
Pin equipped with connection first sliding groove 9 hinders hole 1701, has been sequentially placed pin resistance head 1702, the first bullet in pin resistance hole 1701 from inside to outside
Spring 1703 and envelope block 1704, pin resistance hole 1701 are convenient for placing Xiao Zu mechanism 17.It sells and hinders substrate 1 and expansion plate 3 at hole 1701
Connecting groove 1705 is offered on upper and lower end face, and constitutes the structure that vertical section is T-type with pin resistance hole 1701, envelope block 1704
Vertical section matches for T-type and with the T-type structure of connecting groove 1705 and pin resistance hole 1701 composition, and envelope block 1704 is close to the external world
One end is fixedly connected in connecting groove 1705 by screw, convenient for first spring 1703 and pin are hindered head by envelope block 1704
1702 are limited in pin resistance hole 1701, and anti-shotpin resistance head 1702 and the first spring 1703 are deviate from out of pin resistance hole 1701, while benefit
Make the upper and lower end face of the outer end face for sealing block 1704 and substrate 1 and expansion plate 3 in same level plane with connecting groove 1705,
It avoids influencing the top that expansion plate 3 is erected at substrate 1.One section and close slider bar 11 of the slide plate 1601 close to third sliding slot 1602
End face on offer pin hole 1606, pin resistance head 1702 is clamped to be connected to and realizes in pin hole 1606 and hinder the pin of slide plate 1601, just
The bayonet lock restriction realized in pin hole 1606 to slide plate 1601 is plugged in hindering head 1702 by pin.Pin resistance hole 1701 pair first
Latch recess is equipped in sliding slot 9, pin resistance head 1702 extends in latch recess after pin hole 1606, more convenient for pin resistance head 1702
Add and firmly the progress bayonet lock of slide plate 1601 is fixed.Pin resistance hole 1701 pair substrate 1 and expansion plate 3 side end face and substrate
1 front and rear end and two pieces of expansion plates 3 are thought to offer the 4th sliding slot 1706 on separate end face, be opened up in the 4th sliding slot 1706
There is the slide opening 1707 in connection pin resistance hole 1701, one end of push rod 1708 is through slide opening 1707 and pin resistance head 1702 close to the one of spring
End is welded and fixed connection, and the other end of push rod 1708 is in the 4th sliding slot 1706 and is welded and fixed and connect with push plate 1709, is convenient for
It pushes pin resistance head 1702 to slide by push rod 1708 and push plate 1709, and then realizes liberation slide plate 1601, enable slide plate 1601
It is enough to continue to slide in first sliding groove 9, and the front and rear end of substrate 1, side end face and the mutually separate end face of expansion plate 3 and
Side end face is provided only with third sliding slot 1602 and slide plate 1601, convenient for driving the first expansion board 5 and second to expand in connector 1609
The quiet youngster of moving system liberates slide plate 1601 when panel 6 is slided to the width direction of substrate 1 and expansion plate 3, enables slide plate 1601
It is enough to be slided in second sliding slot 10.The outerplanar of the outerplanar of push plate 1709 and the 4th sliding slot 1706 is kept away in same level
Exempting from push plate 1709 influences the sliding of the first expansion board 5 and the second expansion board 6 beyond the 4th sliding slot 1706.
With showing device, connection structure includes base shaft 1201, first stretches for a kind of higher education as shown in figs. 1-11
Casing coupling 1202, the second telescopic joint 1203, fixed block 1204, second spring 1206, support rod 1205, pull rod 1208, traction rope
1210 and fixed pulley 1212, the center of the mutually close end face of two pieces of expansion plates 3 be welded with base shaft 1201, the first telescopic joint
1202 one end is slidably connected in base shaft 1201, and the vertical section of one end in base shaft 1201 is T-shaped, the second telescopic joint
1203 both ends are slidably connected in the second telescopic joint 1203 of two sides, and one end in the second telescopic joint of two sides 1203 is perpendicular
Section is T-type, convenient for by mutual between the first telescopic joint 1202 and two pieces of expansion plates 3 of flexible realization of the second telescopic joint 1203
It is separate and close, while phase between base shaft 1201, the first telescopic joint 1202 and the second telescopic joint 1203 is prevented using the structure of T-type
It is mutually detached from, and then two pieces of expansion plates 3 can not be linked together.Fixed block 1204 is welded and fixed that be connected to base shaft 1201 separate
The outer surface of one end of expansion plate 3, second spring 1206 is set in outside the first telescopic joint 1202 and the second telescopic joint 1203 and position
Between two sides fixed block 1204, convenient for providing him there by the first paralysis, so that two pieces of fixed blocks 1204 are in the first spring
1703 he act on there downloading expansion plate 3 stretch out containing cavities 2 after can Europe be located remotely from each other.Support rod 1205 has several and wherein
One end welding other end welding is perhaps fixedly connected on fixed block 1204 by screw or is fixedly connected on by screw
On the end face of expansion plate 3, umbrella supporting rack structure is constituted, convenient for being supported by more support rods 1205 to expansion plate 3, into
And making uniform force on expansion plate 3, more convenient two pieces of expansion plates 3 are mutually close, while laggard running hand is unfolded in expansion plate 3 and writes
Allow to provide firm support.The lower end of fixed block 1204 offers swivelling chute 1207, and one end of pull rod 1208 passes through pin rod
1209 are hingedly connected in swivelling chute 1207, and the other end of two pull rods 1208 is hingedly connected together, and the one of traction rope 1210
End, which is tied, is fixed on the two described one end of pull rod 1208 far from fixed block 1204, pulls pull rod convenient for traction rope 1210
1208, and then drive two pieces of fixed blocks 1204 to move to mutually close direction by the rotation of pull rod 1208, realize that two pieces are stretched
Plate 3 mutually leans near operation, convenient for two pieces of expansion plates 3 are accommodated into containing cavities 2.The interior bottom of containing cavities 2 is welded with two
Root support plate 1211, fixed pulley 1212 are rotatably connected between two support plates 1211 by shaft, traction rope 1210 it is another
End extends to the external world around fixed pulley 1212 and from the outer end face through substrate 1, changes traction rope convenient for fixed pulley 1212
1210 direction enables traction rope 1210 to extend from the side end face of substrate 1, and then convenient for drawing from the side end face of substrate 1
Dynamic traction rope 1210, and other structures will not be had an impact.Traction rope 1210 is fixedly connected with pull ring outside containing cavities 2
1213, traction rope 1210 is pulled convenient for bronze drum pull ring 1213.
A kind of displaying device of higher education as shown in figs. 1-11, elevating mechanism 14 include shell 1401, walking
Take turns the 1402, first driving wheel 1408, the second driving wheel 1406, master bevel gear 1412, from bevel gear 1411, first rotating shaft 1413,
Second shaft 1409, third shaft 1403, first bearing 1414, second bearing 1410,3rd bearing 1407, fourth bearing
1405, turntable 1415 and handle 1416, the top of the side end face of substrate 1 offer the walking hole 15 of connection containing cavities 2, shell
On the side end face of 1401 welding or the substrate 1 being fixed by screws at walking hole 15, shell 1401 is convenient for elevating mechanism
14 are protected, and prevent dust from falling on elevating mechanism 14, influence the operating of elevating mechanism 14.Traveling wheel 1402 is in shell 1401
And part is meshed through walking hole 15 with tooth socket, convenient for driving two pieces of expansion plates 3 storing by the rotation of traveling wheel 1402
Sliding in chamber 2, and then realize that two pieces of expansion plates 3 are gone or are accommodated into containing cavities 2 out of containing cavities 2.Third shaft 1403 is welded
It connects and is fixedly connected at the axle center of traveling wheel 1402, the inner ring of fourth bearing 1405 is set in outside third shaft 1403 and and third
1403 interference of shaft connection, at third shaft 1403 pair substrate 1 side end face on be fixed with connecting column 1404, the described 4th
The outer ring of bearing 1405 is fixedly connected with connecting column 1404 far from one end of substrate 1, is convenient for connecting column 1404 and fourth bearing
1405 cause third shaft 1403, and then support traveling wheel 1402, and third shaft 1403 is convenient for the progress of third shaft 1403
Rotation, and then traveling wheel 1402 is driven to rotate.Axle center and and 3rd bearing of the third shaft 1403 through the second driving wheel 1406
1407 inner ring interference connection, and 1406 interference of the second driving wheel is connected in third shaft 1403, outside 3rd bearing 1407
Lap welding, which connects, to be fixedly connected on the side wall of shell 1401, so that the second driving wheel 1406 is fixedly connected on one with third shaft 1403
It rises and forms an entirety, and then drive third shaft 1403 to be rotated convenient for the second driving wheel 1406, and utilize third axis
1407 third shafts 1403 easy to support are held, while being rotated convenient for third shaft 1403.Second shaft 1409 runs through first
The axle center and one end of driving wheel 1408 are connect with the inner ring interference of second bearing 1410, and the other end, which is welded and fixed, to be connected to from cone tooth
At the axle center of wheel 1411, the first driving wheel 1408 connect with 1409 interference of the second shaft and is meshed with the second driving wheel 1406,
The outer ring of second bearing 1410 is fixedly connected on the side wall of shell 1401, convenient for driving second to pass by the first driving wheel 1408
Driving wheel 1406 rotates, and two and the first driving wheel 1408 and the second shaft 1409 is made to be fixed together to form an entirety,
And then realize while rotating, and by second shaft 1409 easy to support of second bearing 1410 and the first driving wheel 1408, and
Convenient for the rotation of the second shaft 1409.Master bevel gear 1412 is meshed with from bevel gear 1411, convenient for master bevel gear 1412 drive from
Bevel gear 1411 rotates, and then drives the rotation of the second shaft 1409 from bevel gear 1411, and then drive 1408 turns of the first driving wheel
It is dynamic, and cooperate can be to from bevel gear 1411 and the first driving wheel 1408 for master bevel gear 1412 and the second driving wheel 1406
It is defined and supports.The axle center for being connected to master bevel gear 1412 is welded and fixed in one end of first rotating shaft 1413, and the other end runs through
The inner ring of first bearing 1414 and far from the end face of substrate 1 external world, the inner ring of first bearing 1414 are extended to through shell 1401
It is connect with 1414 interference of first bearing, outer ring, which is welded and fixed, to be connected in internal end surface of the shell 1401 far from substrate 1, convenient for logical
It crosses first bearing 1414 and supports first rotating shaft 1413, and first rotating shaft 1413 and master bevel gear 1412 are fixedly connected to form
With an entirety, master bevel gear 1412 is driven to rotate convenient for the rotation of first rotating shaft 1413.First rotating shaft 1413 is outside shell 1401
The axle center for being connected to turntable 1415 is welded and fixed, convenient for driving first rotating shaft 1413 to be rotated by rotation photo.Turning handle is solid
Surely it is connected to the edge of end face of the turntable 1415 far from shell 1401, it is convenient to pass through 1416 manual rotation's turntable 1415 of handle, when
Can also so drive turntable 1415 or first rotating shaft 1413 to carry out rotation by motor is that entire elevating mechanism 14 provides power.
A kind of displaying device of higher education as shown in figs. 1-11, two piece of first expansion board 5 and the second expansion board 6
The center of mutually close side offers identical first card slot 7 and the second card slot 8, and two piece of first expansion board 5 or the respectively
The first card slot 7 or the second card slot 8 in two expansion board 6 is symmetrical about the vertical central axes of substrate 1 or expansion plate 3,
It is connected with fixture block 18 in two the first card slots 7 or the second card slot 8, is connected to two the first card slots 7 or convenient for fixture block 18
To the first expansion board 5, perhaps the second control panel is connected and fixed so that two piece of first expansion board 5 or second in two draw-in groove 8
The understanding of expansion board 6 forms an entirety.It is offered on fixture block 18 and collects hole 19, convenient for by collecting hole 19 for fixture block 18 from first
It is taken out in card slot 7 or the second card slot 8.The two sides of the front and rear end of substrate 1 offer third card identical with the first card slot 7
Slot 20, and the first card slot 7 and side line of the third card slot 20 about substrate 1 when the two sides of the substrate 1 of the first expansion board 5 movement
Symmetrical, the two sides of the mutually separate end face of expansion plate 3 offer the 4th card slot 21, and second expansion board 6 is mobile to stretch
Second card slot 8 and the 4th card slot 21 are symmetrical about the side line of expansion plate 3 when the two sides of contracting plate 3, convenient for expanding first
Panel 5 and the second expansion board 6 are unfolded and slide into allow to be connected to by opening with the both sides of the face of substrate 1 and expansion plate 3
Realized in first card slot 7 and third card slot 20, the second card slot 8 and third card slot 20 substrate 1 and the first expansion board 5, expansion plate 3 and
The more firm connection of second expansion board 6.Several accommodating grooves are offered on the side end face of substrate 1, fixture block 18 is connected to accommodating groove
It is interior, convenient for preventing more fixture blocks 18 by accommodating groove, and then can be to the after the first expansion board 5 and the expansion of the second expansion board 6
One card slot 7 and third card slot 20, the second card slot 8 and third card slot 20 are clamped.
A kind of displaying device of higher education as shown in figs. 1-11, telescopic rod include the first telescopic rod 24 and second
Telescopic rod 23, one end of the second telescopic rod 23 are slidably connected in the first telescopic rod 24, convenient for passing through the first telescopic rod 24 and the
Two telescopic rods 23 are slidably connected that this does the length of entire telescopic rod, and then can be adjusted according to the needs the height of whole device.
The outer surface thread of one end of 22 junction of the first telescopic rod 24 and the second connecting rod is connected with the second pin resistance bolt 28, convenient for logical
It crosses the second bolt and pin resistance fixation is carried out to the second telescopic rod 23, and then control the length that the second telescopic rod 23 stretches out the first telescopic rod 24
Degree.Turning groove 25 is offered on the end face of the one end of the second telescopic rod 23 far from the first telescopic rod 24, connecting rod 22 is far from base
One end of plate 1 is extended with rotating bar 26, and rotating bar 26 is rotatably connected in turning groove 25, flexible convenient for connecting rod 22 and second
Bar 23 is plugged in turning groove 25 by rotating bar 26 and realizes rotation connection.The outer surface of second telescopic rod 23 offers connection
The pin of turning groove 25 hinders screw hole 27, and pin resistance 27 internal screw thread of screw hole is connected with the first pin resistance bolt 30, convenient for passing through the first pin resistance
Bolt 30, which is realized, hinders the rotation fixed, and then control rotating bar 26 to the pin of rotating bar 26.It offers in rotating bar 26 and is hindered with pin
The corresponding pin of screw hole 27 hinders groove 29, and one end of the first pin resistance bolt 30 extends in pin resistance groove 29, formed and adjust second
The structure of length of the telescopic rod 23 beyond the first telescopic rod 24, it is real convenient for extending into pin resistance groove 29 by the first pin resistance bolt 30
Now to the restriction of rotating bar 26, rotating bar 26 is prevented to be detached from out of most large trough.First telescopic rod 24 is welded far from one end of substrate 1
It is fixedly connected at the axle center on chassis 31, so that the first telescopic rod 24 is fixed together to form an entirety with chassis 31.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of higher education displaying device, including substrate (1), wherein offers containing cavities in the substrate (1)
(2), two pieces of identical expansion plates (3) are slidably connected in the containing cavities (2), two pieces of expansion plates (3) pass through connection machine
Structure (12) is flexibly connected, and is constituted and is realized structure close to each other and separate, one end in accommodating groove of the expansion plate (3) and remote
Side from substrate (1) is extended with tailgate (4), and constitutes L-type limit card slot structure with expansion plate (3), forms two pieces of expansion plates
(3) structure in the front and rear end of the separate end face of containing cavities (2) foreign minister and substrate (1) in same level, the substrate
(1) both sides of the face are fixed with the elevating mechanism (14) that two pieces of expansion plates (3) of control slide up and down in containing cavities (2), described
The front and rear end of substrate (1) respectively slidably connects two piece of first expansion board (5), the mutually separate end face of two pieces of expansion plates (3)
Two piece of second expansion board (6) is respectively slidably connected, first expansion board (5) and the second expansion board (6) pass through connector
(16) it realizes in the two side ends of substrate (1) and expansion plate (3) with Xiao Zu mechanism (17) to the width of substrate (1) and expansion plate (3)
Direction sliding forms the first expansion board (5) and the second expansion board (6) respectively with the outer end face of substrate (1) and expansion plate (3) same
Structure on one horizontal end face.
2. a kind of higher education according to claim 1 displaying device, which is characterized in that the connection structure packet
Include base shaft (1201), the first telescopic joint (1202), the second telescopic joint (1203), fixed block (1204), second spring (1206), branch
Strut (1205), pull rod (1208), traction rope (1210) and fixed pulley (1212), the mutually close end of two pieces of expansion plates (3)
The center in face is respectively and fixedly provided with base shaft (1201), and one end of first telescopic joint (1202) is slidably connected in base shaft (1201),
The both ends of second telescopic joint (1203) are slidably connected in the second telescopic joint (1203) of two sides, the fixed block (1204)
It is fixedly connected on the outer surface of the one end of base shaft (1201) far from expansion plate (3), the second spring (1206) is set in first
Outside and between two sides fixed block (1204), the support rod (1205) has for telescopic joint (1202) and the second telescopic joint (1203)
Several and one end therein are fixedly connected on fixed block (1204), and the other end is fixedly connected on the end face of expansion plate (3),
Umbrella supporting rack structure is constituted, the lower end of the fixed block (1204) offers swivelling chute (1207), the pull rod (1208)
One end is hingedly connected in swivelling chute (1207) by pin rod (1209), and the other end of two pull rods (1208) is hingedly connected to one
It rises, one end of the traction rope (1210) is fixed on the one end of two pull rods (1208) far from fixed block (1204), described
The interior bottom of containing cavities (2) is fixed with two support plates (1211), and the fixed pulley (1212) is rotatably connected on two support plates
(1211) between, the other end of the traction rope (1210) prolongs around fixed pulley (1212) and from the outer end face through substrate (1)
The external world is reached, the traction rope (1210) is fixedly connected with pull ring (1213) outside containing cavities (2).
3. a kind of higher education according to claim 1 displaying device, which is characterized in that two pieces of expansion plates
(3) both sides of the face offer tooth socket (13), constitute rack structure, and side wall of the elevating mechanism (14) through substrate (1) exists
It is meshed in containing cavities (2) with tooth socket (13), the elevating mechanism (14) includes shell (1401), traveling wheel (1402), first
Driving wheel (1408), the second driving wheel (1406), master bevel gear (1412), from bevel gear (1411), first rotating shaft (1413),
Second shaft (1409), third shaft (1403), first bearing (1414), second bearing (1410), 3rd bearing (1407),
Fourth bearing (1405), turntable (1415) and handle (1416), the top of the side end face of the substrate (1) offer connection storage
The walking hole (15) of chamber (2), the shell (1401) are fixed on the side end face of the substrate (1) at walking hole (15), the row
Wheel (1402) is walked in shell (1401) and part is meshed through walking hole (15) with tooth socket (13), the third shaft
(1403) it is fixedly connected at the axle center of traveling wheel (1402), the inner ring of the fourth bearing (1405) is set in third shaft
(1403) it connect outside and with third shaft (1403) interference, the side end face of the substrate (1) in third shaft (1403) place pair
On be fixed with connecting column (1404), the one end of the outer ring of the fourth bearing (1405) and connecting column (1404) far from substrate (1)
It is fixedly connected, the third shaft (1403) runs through the axle center of the second driving wheel (1406) and the inner ring with 3rd bearing (1407)
Interference connection, the outer ring of the 3rd bearing (1407) are fixedly connected on the side wall of shell (1401), second driving wheel
(1406) interference is connected on third shaft (1403), and second shaft (1409) runs through the axis of the first driving wheel (1408)
The heart and one end is connect with the inner ring interference of second bearing (1410), the other end is fixedly connected on the axle center from bevel gear (1411)
Place, first driving wheel (1408) connect with the second shaft (1409) interference and are meshed with the second driving wheel (1406), institute
The outer ring for stating second bearing (1410) is fixedly connected on the side wall of shell (1401), the master bevel gear (1412) with from cone tooth
Wheel (1411) is meshed, and one end of the first rotating shaft (1413) is fixedly connected on the axle center of master bevel gear (1412), the other end
Through first bearing (1414) inner ring and extend to the external world far from the end face of substrate (1) through shell (1401), described first
The inner ring of bearing (1414) is connect with first bearing (1414) interference, and outer ring is fixedly connected on shell (1401) far from substrate (1)
Internal end surface on, the first rotating shaft (1413) is fixedly connected on the axle center of turntable (1415) outside the shell (1401), described
Turning handle is fixedly connected on the edge of the end face of turntable (1415) far from shell (1401).
4. a kind of higher education according to claim 1 displaying device, which is characterized in that the substrate (1)
The upper and lower ends of the front and rear end end face mutually separate with two pieces of expansion plates (3) offer L-type and respectively about substrate (1) and
Two symmetrical first sliding grooves (9) of the lateral central axes of expansion plate (3), the two side ends of the substrate (1) and expansion plate (3)
Face offers the second sliding slot (10) for the L-type being connected with first sliding groove (9), first expansion board (5) and the second extension
The fixed slider bar (11) being respectively and fixedly provided with first sliding groove (9) to identical L-type on plate (6), slider bar (11) sliding connect
It connects and realizes that the first expansion board (5) and the second expansion board (6) are slided with substrate (1) and expansion plate (3) respectively in first sliding groove (9)
Connection.
5. a kind of higher education according to claim 4 displaying device, which is characterized in that the slider bar (11)
It is slidably connected connector (16) in first expansion board (5) and the second expansion board (6) at both ends, the connector (16) includes
Slide plate (1601), shoes (1603), limited block (1605), block (1604), the first Attraction block (1607) and the second Attraction block
(1608), it is cross third sliding slot that the both ends of first expansion board (5) and the second expansion board (6), which offer vertical section,
(1602), the third sliding slot (1602) and the junction of slider bar (11) in the first expansion board (5) and the second expansion board (6)
On same level straight line, the slide plate (1601) is L-type identical with slider bar (11) shape, and the shoes (1603) is T
Type, and one section of end point-blank is not fixedly connected with one end of slide plate (1601), the shoes (1603) it is another
One end is slidably connected in third sliding slot (1602), and the block (1604) is fixed on third sliding slot (1602) far from extraneous and remote
The bottom of one end from slider bar (11), the limited block (1605) are fixed on the bottom of shoes (1603) close to slider bar (11)
Portion, and between slider bar (11) and block (1604), first Attraction block (1607) and the second Attraction block (1608) are equal
For magnet, first Attraction block (1607) is fixedly connected on the one end of slide plate (1601) close to slider bar (11), and described second
Attraction block (1608) is fixedly connected on the end of slider bar (11), constitutes the first Attraction block (1607) and the second Attraction block (1608)
Attract each other the structure of connection, and the slide plate (1601) opens up jagged (1610) far from the one end of third sliding slot (1602), and
So that slide plate (1601) constitutes connector (1609) far from the one end of slider bar (11).
6. a kind of higher education according to claim 5 displaying device, which is characterized in that the Xiao Zu mechanism
It (17) include pin resistance head (1702), the first spring (1703), envelope block (1704), push rod (1708) and push plate (1709), the base
Plate (1) offers pin resistance hole (1701) for being connected to first sliding groove (9) with the both ends in the upper/lower terminal face of expansion plate (3), described
Pin resistance head (1702), the first spring (1703) and envelope block (1704) have been sequentially placed in pin resistance hole (1701) from inside to outside, it is described
It sells and is offered connecting groove (1705) on the upper and lower end face of the substrate (1) and expansion plate (3) at resistance hole (1701), and hindered with pin
Hole (1701) constitutes the structure that vertical section is T-type, the vertical section of the envelope block (1704) be T-type and with connecting groove (1705) and
The T-type structure that pin resistance hole (1701) is constituted matches, and it is recessed that the close extraneous one end of the envelope block (1704) is fixedly connected on connection
In slot (1705), the slide plate (1601) opens up on one section and the end face close to slider bar (11) close to third sliding slot (1602)
Have pin hole (1606), pin resistance head (1702) clamping is connected to the pin resistance realized in pin hole (1606) to slide plate (1601), institute
State pin resistance hole (1701) pair substrate (1) and expansion plate (3) side end face and substrate (1) front and rear end and two pieces stretch
Contracting plate (3) is thought to offer the 4th sliding slot (1706) on separate end face, connection pin is offered in the 4th sliding slot (1706) and is hindered
The slide opening (1707) in hole (1701), one end of the push rod (1708) is through slide opening (1707) and pin resistance head (1702) close to spring
One end be fixedly connected, the other end of the push rod (1708) in the 4th sliding slot (1706) and with push plate (1709) are fixed connects
It connects.
7. a kind of higher education according to claim 1 displaying device, which is characterized in that two pieces described first are expanded
The center of panel (5) side mutually close with the second expansion board (6) offers identical first card slot (7) and the second card slot respectively
(8), two pieces of first expansion board (5) or the first card slot (7) in the second expansion board (6) or the second card slot (8) are about base
The vertical central axes of plate (1) or expansion plate (3) are symmetrical, clamping in two first card slots (7) or the second card slot (8)
Have fixture block (18), offer and collect hole (19) on the fixture block (18), the two sides of the front and rear end of the substrate (1) offer
The identical third card slot (20) with the first card slot (7), and the first card when the two sides of the substrate (1) of the first expansion board (5) movement
Slot (7) is symmetrical about the side line of substrate (1) with third card slot (20), and the two of the mutually separate end face of the expansion plate (3)
Side offers the 4th card slot (21), the second card slot (8) when the two sides of the mobile expansion plate (3) of second expansion board (6)
It is symmetrical about the side line of expansion plate (3) with the 4th card slot (21).
8. a kind of higher education according to claim 1 displaying device, which is characterized in that the substrate (1)
Lower end surface is fixedly connected with connecting rod (22), and the connecting rod (22) is rotatably connected to telescopic rod, and the bottom end of the telescopic rod is solid
Surely it is connected with chassis (31), is fixedly connected with universal wheel (32) on the chassis (31), the telescopic rod includes the first telescopic rod
(24) and the second telescopic rod (23), one end of second telescopic rod (23) is slidably connected in the first telescopic rod (24), described
Second telescopic rod (23) offers turning groove (25), the connecting rod on the end face far from the one end of the first telescopic rod (24)
(22) one end far from substrate (1) is extended with rotating bar (26), and the rotating bar (26) is rotatably connected in turning groove (25),
The outer surface of second telescopic rod (23) offers pin resistance screw hole (27) of connection turning groove (25), and the pin hinders screw hole
(27) internal screw thread is connected with the first pin resistance bolt (30), offers on the rotating bar (26) corresponding with pin resistance screw hole (27)
One end of pin resistance groove (29), first pin resistance bolt (30) extends in pin resistance groove (29), first telescopic rod
(24) it is connected with the second pin resistance bolt (28) with the outer surface thread of one end of the second connecting rod (22) junction, is formed and adjusts the
The structure of length of two telescopic rods (23) beyond the first telescopic rod (24), the one of first telescopic rod (24) separate substrate (1)
End is fixedly connected at the axle center of chassis (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448951.8A CN110033673B (en) | 2019-05-28 | 2019-05-28 | Display device for higher education teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448951.8A CN110033673B (en) | 2019-05-28 | 2019-05-28 | Display device for higher education teaching |
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| Publication Number | Publication Date |
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| CN110033673A true CN110033673A (en) | 2019-07-19 |
| CN110033673B CN110033673B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910448951.8A Active CN110033673B (en) | 2019-05-28 | 2019-05-28 | Display device for higher education teaching |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459097A (en) * | 2019-08-02 | 2019-11-15 | 深圳市俊达通办公智能科技有限公司 | A kind of teaching aid easy to use |
| CN110718114A (en) * | 2019-11-30 | 2020-01-21 | 兰州城市学院 | A mathematics teaching aid for training of mathematics thinking |
| CN112109476A (en) * | 2020-09-30 | 2020-12-22 | 日照职业技术学院 | Multifunctional teaching device for Chinese teaching |
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| CN110718114A (en) * | 2019-11-30 | 2020-01-21 | 兰州城市学院 | A mathematics teaching aid for training of mathematics thinking |
| CN112109476A (en) * | 2020-09-30 | 2020-12-22 | 日照职业技术学院 | Multifunctional teaching device for Chinese teaching |
| CN112109476B (en) * | 2020-09-30 | 2022-04-15 | 日照职业技术学院 | Multifunctional teaching device for Chinese teaching |
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