CN108109442A - A kind of subject audio-visual education programme video presenter in kind - Google Patents
A kind of subject audio-visual education programme video presenter in kind Download PDFInfo
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- CN108109442A CN108109442A CN201810055140.7A CN201810055140A CN108109442A CN 108109442 A CN108109442 A CN 108109442A CN 201810055140 A CN201810055140 A CN 201810055140A CN 108109442 A CN108109442 A CN 108109442A
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- platform
- pedestal
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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
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
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Abstract
The invention discloses a kind of subject audio-visual education programme material object video presenters, relate generally to educational technology equipment field.Including pedestal, the top surface of the pedestal is equipped with background board and control panel, the one side of the pedestal is equipped with support arm, the top of the support arm is connected with shooting bar, camera lens is installed on the shooting bar, the top surface of the background board it is placed in the middle be equipped with annular base, it is circumferentially rotated on the annular base along it and is connected with arc-shaped guide rail, semicircular slide is slidably connected in the arc-shaped guide rail, the slide is vertically arranged with background board, the both ends of the slide are symmetrically equipped with clamping device, the center of the slide is equipped with the platform mechanism being detachably connected with it, the clamping device includes telescopic rod and fixture, the platform mechanism includes Quick Release telescopic mast and platform.The beneficial effects of the present invention are：It can be fixed for the sample or model of camera shooting, and can adjust and fix shooting area in kind and shooting angle.
Description
Technical field
The present invention relates to educational technology equipment fields, are specifically a kind of subject audio-visual education programme video presenter in kind.
Background technology
In the education and instruction of modern universities and colleges, computer technology and information technology aided education are generally used,
Most classrooms and auxiliary facility employ the pattern of audio-visual education room.By project, play etc. modes to courseware content, picture,
Video etc. is shown, and process of giving lessons is completed in cooperation classroom.
In the specialized course teaching of the subjects such as agricultural, medicine, except courseware, picture, video etc. can pass through computer
Outside the content directly launched or played, also usually need to be shown the entities such as material object, model.Such as medical organ's model,
Plant sample, ore sample etc., the displaying and explanation of these entities are very necessary, have the video, picture unapproachable
Teaching efficiency.It is distant since student is more, therefore displaying in kind is generally carried out by video presenter.The prior art
Exhibition booth be all place and static displaying by way of produced, still, due to sample and model (such as organ model, ore deposit
Stone sample etc.) it is irregular shape, it easily rolls everywhere, is crooked, and appropriate production region can not be showed, simultaneously
In displaying according to the needs of lecture contents, also usually need constantly adjustment in kind, change region, the angle of production, so as to match somebody with somebody
It closes and gives directions and explain.However material object can neither be fixed in existing video presenter, can not adjust state in kind and angle
Degree brings very big inconvenience to displaying in kind, substantially reduces the effect and efficiency given lessons.
The content of the invention
It is an object of the invention to provide a kind of subject audio-visual education programme material object video presenters, it can be fixed for the sample of camera shooting
Sheet or model, and can adjust and fix shooting area in kind and shooting angle, it realizes to all-dimensional multi-angle exhibition in kind
Show, significantly improve effect of giving lessons, student is helped to grasp characteristic in kind comprehensively.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of subject audio-visual education programme video presenter in kind, including pedestal, the top surface of the pedestal is equipped with background board and control plane
Plate, the one side of the pedestal are equipped with support arm, and the top of the support arm is connected with shooting bar, mirror is equipped on the shooting bar
Head, the top surface of the background board it is placed in the middle be equipped with annular base, circumferentially rotated on the annular base along it and be connected with arc and lead
Rail slidably connects semicircular slide in the arc-shaped guide rail, and the slide is vertically arranged with background board, and the two of the slide
End is symmetrically equipped with clamping device, and the center of the slide is equipped with the platform mechanism being detachably connected with it, the clamping device
Including telescopic rod and fixture, the platform mechanism includes Quick Release telescopic mast and platform.
The telescopic rod includes casing, interior bar, and one end of described sleeve pipe is fixedly connected with the top of slide, described sleeve pipe
Inner ends thereof is connected with the first lantern ring, and described sleeve pipe is socketed in the outside of interior bar and the two is slidably connected along its length, described
Interior bar is threadedly coupled through the first lantern ring and the two, and inner end and the fixture of the interior bar are detachably connected.
The inner end of the telescopic rod is equipped with terminal pad, and the fixture includes connector, and the connector is rotated with terminal pad
Connection, is fixedly connected with rigid jacking block, flexible jacking block and gripper on the connector, the hardness jacking block, flexible jacking block and
Gripper is distributed along the side of connector, and the hardness jacking block includes being fixedly connected on top plate on connector, on the top plate
Columnar projections are distributed with, the flexibility jacking block includes the fore-set being fixedly connected on connector, and the outer end of the decorative pearl on top of an official cap is equipped with silicon
Blob of viscose or rubber block, the gripper include the fixed plate being fixedly connected on connector, and the fixed plate is away from connector
Symmetrical inside edge to be equipped with the synchromesh gear being rotatablely connected with it, the synchromesh gear is two and is meshed, described solid
The drive gear being meshed with one of synchromesh gear is also rotatably connected on fixed board, is additionally provided with and drives in the fixed plate
Gear coaxial knob is fixed with V-type bar on the synchromesh gear, and the V-type opening of the V-type bar is oppositely arranged, the V-type bar
On be fixedly connected with grillage, the inside of the grillage is equipped with opposite grasping teeth.
The connector includes the circular clamping plate for being arranged at terminal pad front and rear sides, and the avris of the circle clamping plate, which is equipped with, to be connected
Connect block, the circle clamping plate is equipped with screw hole with placed in the middle in terminal pad, and the screw hole internal thread is connected with fixing bolt.
The center of the guide rail is equipped with the screw head for being directed toward axle center, and the Quick Release telescopic mast includes sleeve and inner prop, the set
One end of cylinder is threadedly coupled with screw head, and the top of the sleeve is rotatably connected to the second lantern ring, and the inner prop is socketed in sleeve
And the two is slidably connected along its length, the top of the inner prop is threadedly coupled through the second lantern ring and the two, and the platform is set
It is placed in the top of inner prop.
The bottom of the platform is fixed on Quick Release telescopic mast, and the platform both sides adjacent with clamping device are equipped with item
Type hole is symmetrically equipped with the cavity being connected with strip-type hole in the clamping device, and fixing axle is equipped in the cavity, described solid
The I-shaped reel with its clearance fit is socketed on dead axle, backrush disc spring is installed between the reel and fixing axle, it is described
Seine is wound on reel, the outside of the seine is pierced by from strip-type hole, and the outside drawn in the net is fixed with arrow rack, the bar shaped
Multiple links are distributed on frame, the link is used in combination with grasping teeth.
The pedestal is cup dolly, and the pedestal is rotatably connected to the bottom plate of bar shaped along its side, the bottom plate it is outer
Side and the bottom side of support arm are hinged, and top and the shooting bar of the support arm are hinged.
The prior art is compared, the beneficial effects of the present invention are：
This video presenter can grip the material object for needing to show by the fixture being oppositely arranged, described to stretch
Contracting bar can adjust the distance between two fixtures, facilitate and adapt to different size, the material object of shape, realize preferable fixed.Such as
Quick Release telescopic mast can be mounted on slide, there are situations such as heavier, quality is soft, rapid wear need to be pressed from both sides gently by flat by fruit object
Platform lifts material object, and material object is fixed in auxiliary both sides fixture.The Quick Release telescopic mast facilitates adjustment to lift height, together
Sample is to shape in kind and lifts demand with larger adaptability.By clamping device and platform mechanism, can realize pair
The fixation of sample, model is conveniently fixed in appropriate angle, by expected production region is preferable, fixed exhibition
It shows to come, solve since physical form is irregular, place shakiness and roll everywhere, displaying position is difficult to the problem of fixed.
Meanwhile after fixing material object, by semicircular slide, can be on vertical plane under the cooperation of arc-shaped guide rail
The swing of arc, additionally it is possible to be circumferentially rotated in the horizontal plane by annular base, one side fast and easy adjustment setting area, side
Just student fully understands model, sample, on the other hand, the shooting angle to producing region can be adjusted flexibly, so as to provide not
Same viewing angle, student is facilitated to grasp and understand characteristic in kind comprehensively, and (this is in the displaying of ore sample, plant sample equal samples
In it is increasingly important).
The fixture can be dismantled, replaced, and mating multiple clamping apparatus structure.For example, the hardness jacking block is convenient from both sides
Strong clamping, convenient that Most models and hard sample are fixed, fixation are carried out in kind.The flexibility jacking block
While clamping, material object can be preferably protected.The gripper can significantly improve the crawl fixed effect to sample,
For the sample with irregular, relatively sliding etc. the characteristics of shape such as ore sample, there can be firm fixing to imitate using gripper
Fruit.
In addition, if running into, quality is loose or the sample of the setting characteristics such as difference, such as herbaceous plant sample etc., can will
The arrow rack of platform both sides pulls out, and link is hung on the gripper of both sides, so as to form a string bag, by pocket in kind in net
In pocket.
Description of the drawings
Attached drawing 1 is the use schematic diagram of the present invention.
Attached drawing 2 is the structure diagram of the present invention.
Attached drawing 3 is schematic top plan view of the present invention.
Attached drawing 4 is the partial structural diagram of clamping device of the present invention.
Attached drawing 5 is the local structural scheme of mechanism of present clip part.
Attached drawing 6 is the internal structure schematic diagram of platform of the present invention.
Attached drawing 7 is the schematic diagram of terminal pad of the present invention and link block.
Attached drawing 8 is the schematic diagram of platform mechanism of the present invention.
Label shown in attached drawing：
1st, pedestal；2nd, support arm；3rd, bar is shot；4th, annular base；5th, arc-shaped guide rail；6th, slide；7th, telescopic rod；8th, press from both sides
Tool；9th, Quick Release telescopic mast；10th, platform；11st, casing；12nd, interior bar；13rd, the first lantern ring；14th, terminal pad；15th, connector；16th, it is hard
Property jacking block；17th, flexible jacking block；18th, gripper；19th, fixed plate；20th, synchromesh gear；21st, drive gear；22nd, V-type bar；23rd, plate
Frame；24th, circular clamping plate；25th, link block；26th, screw head；27th, sleeve；28th, inner prop；29th, the second lantern ring；30th, fixing axle；31st, roll up
Cylinder；32nd, draw in the net；33rd, arrow rack；34th, shaft；35th, lower gear；36th, wheel disc；37th, special-shaped bar.
Specific embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within scope defined herein.
Of the present invention is a kind of subject audio-visual education programme video presenter in kind, and agent structure includes pedestal 1, for supporting and consolidating
Fixed, the top surface of the pedestal 1 is equipped with background board and control panel, and the background board is horizontally disposed white bottom plate, the bottom
The one side of seat 1 is equipped with support arm 2, and the top of the support arm 2 is connected with shooting bar 3, camera lens is equipped on the shooting bar 3,
The top surface of the background board it is placed in the middle be equipped with annular base 4, circumferentially rotated on the annular base 4 along it and be connected with arc-shaped guide rail
5, the arc-shaped guide rail 5 is the arc that radian is 15~30 degree, and the center of circle is upwards positioned at the top in the center of circle of annular base 4, institute
Plane where stating arc-shaped guide rail 5 is vertically arranged, and semicircular slide 6, the slide are slidably connected in the arc-shaped guide rail 5
6 are vertically arranged with background board, the slide 6 can along arc-shaped guide rail 5 on vertical plane arcuately reciprocally swinging, the slide
6 both ends are symmetrically equipped with clamping device, and the center of the slide 6 is equipped with the platform mechanism being detachably connected with it, the folder
Holding mechanism includes telescopic rod 7 and fixture 8, and the fixture 8 is clamped intermediate material object, the telescopic rod 7 can in both sides
The distance between alignment jig 8 so as to hold out against material object from the left and right sides in kind, makes clamping firm, and can adapt to difference
The material object of size.The platform mechanism includes Quick Release telescopic mast 9 and platform 10.It optionally uses, when using clamping device
Can not have to when just can be clamping firm, but there are many model, particularly sample, be can not firmly clamp, Huo Zhebiao
Face is smooth, it is heavier etc. be difficult to clamp, material object can be held up in bottom using this platform mechanism.Likewise, the height held up can
It adjusts, facilitates adaptation different demands.
For the ease of adjusting and fixing, the telescopic rod 7 includes casing 11, interior bar 12, one end of described sleeve pipe 11 and cunning
The top of rail 6 is fixedly connected, and the inner ends thereof of described sleeve pipe 11 is connected with the first lantern ring 13, and described sleeve pipe 11 is socketed in interior bar 12
Outside, the two is slidably connected along its length, and in circumferential /V, can rotate limit using the structure of sliding slot sliding block to realize
Position, makes interior bar 12 that can only be slided along casing 11, and the interior bar 12 is threadedly coupled through the first lantern ring 13 and the two, the interior bar
12 inner end is detachably connected with fixture 8.The first lantern ring 13 is rotated during use, it becomes possible to adjust the degree of the back-out of interior bar 12, control
Position where fixture 8 processed.
The inner end of the telescopic rod 7 is equipped with terminal pad 14, and the fixture 8 includes connector 15, and the connector 15 is with connecting
It connects disk 14 to be rotatablely connected, rigid jacking block 16, flexible jacking block 17 and gripper 18 is fixedly connected on the connector 15, it is described hard
Property jacking block 16, flexible jacking block 17 and gripper 18 be distributed along the side of connector 15, the hardness jacking block 16 is convenient from both sides pair
Material object carries out strong clamping, convenient that Most models and hard sample are fixed, fixation.The hardness jacking block 16
Including the top plate being fixedly connected on connector 15, columnar projections are distributed on the top plate, the flexibility jacking block 17 includes solid
Surely the fore-set being connected on connector 15, the outer end of the decorative pearl on top of an official cap are equipped with silica gel block or rubber block, and contact point is soft flexible, makes
The flexibility jacking block 17 can preferably protect material object while clamping.The gripper 18 includes being fixedly connected on connection
Fixed plate 19 on first 15, symmetrical be equipped with is rotatablely connected with it at the inside edge of the fixed plate 19 away from connector 15
Synchromesh gear 20, the synchromesh gear 20 two and to be meshed, be also rotatably connected in the fixed plate 19 and one of them
The drive gear 21 that synchromesh gear 20 is meshed is additionally provided with the knob coaxial with drive gear 21 in the fixed plate 19, rotates
Knob can control the angle of two 22 foldings of V-type bar.V-type bar 22 is fixed on the synchromesh gear 20, so as to fulfill inside
Folding crawl, the V-type opening of the V-type bar 22 is oppositely arranged, and grillage 23, the plate are fixedly connected on the V-type bar 22
Frame 23 considerably increases the area of crawl, increases fixed effect.The inside of the grillage 23 is equipped with opposite grasping teeth.For ore
Sample etc. has the sample of irregular, relatively sliding etc. the characteristics of shape, and the gripper 18 can significantly improve the crawl to sample
Fixed effect.
In order to facilitate replacing, safeguarding, fixture 8 used in adjusting, the connector 15 is included before being arranged at terminal pad 14
The circular clamping plate 24 of both sides afterwards, the avris of the circle clamping plate 24 are equipped with link block 25, the circle clamping plate 24 and terminal pad 14
On it is placed in the middle be equipped with screw hole, the screw hole internal thread is connected with fixing bolt.Unclamp fixing bolt, it becomes possible to the quick company of removing
Connector 15, so as to adjust used fixture 8 or the rotational angle of the opposite terminal pad 14 of connector 15.
In order to facilitate dismounting, the center of the guide rail is equipped with the screw head 26 for being directed toward axle center, and the Quick Release telescopic mast 9 includes set
Cylinder 27 and inner prop 28, one end of the sleeve 27 is threadedly coupled with screw head 26, can dismount easily and fast, and fixation.
The top of the sleeve 27 is rotatably connected to the second lantern ring 29, and the inner prop 28 is socketed in sleeve 27, the inner prop 28 and set
Cylinder 27 is slidably connected in the longitudinal direction, and common various linear slides connection knot can be selected in used sliding connection structure
Structure.The top of the inner prop 28 is threadedly coupled through the second lantern ring 29 and the two, and the platform 10 is arranged at the top of inner prop 28.
The lifting heights of inner prop 28 can be adjusted by rotating the second lantern ring 29, so as to adjust 10 height of platform.
If run into, quality is loose or the sample of the setting characteristics such as difference, such as herbaceous plant sample etc., then is difficult to only lead to
It crosses clamping or holds up and be fixed, sample can easily be scattered.The bottom of the platform 10 is fixed on Quick Release telescopic mast 9, institute
It states the both sides adjacent with clamping device of platform 10 and is equipped with strip-type hole, be symmetrically equipped in the clamping device and be connected with strip-type hole
Logical cavity, the cavity is interior to be equipped with fixing axle 30, and the I-shaped reel with its clearance fit is socketed in the fixing axle 30
31, backrush disc spring between the reel 31 and fixing axle 30 is installed, seine 32, the seine 32 are wound on the reel 31
Outside be pierced by from strip-type hole, and draw in the net 32 outside be fixed with arrow rack 33, multiple links are distributed on the arrow rack 33,
The link is used in combination with grasping teeth.The arrow rack 33 of 10 both sides of platform can be pulled out, and link is hung over to the machine of both sides
In machinery claw 18, so as to form a string bag, by pocket in kind in the string bag.
The pedestal 1 is cup dolly 1, and the pedestal 1 is rotatably connected to the bottom plate of bar shaped along its side, the bottom plate
Outside and the bottom side of support arm 2 are hinged, and the top of the support arm 2 and shooting bar 3 are hinged.So as to make camera site along
1360 degree of pedestal rotates adjustment, greatly improves camera site, is adjusted with reference to the fixation to sample, model and position angle,
Enable the speciality for showing material object that the present apparatus is multi-faceted, greatly improve effect of giving lessons, student is helped quickly comprehensively to grasp
Feature in kind.
Embodiment：A kind of subject audio-visual education programme includes pedestal 1 with video presenter in kind, agent structure, and the top surface of the pedestal 1 is set
Have powerful connections plate and control panel, and the pedestal 1 is discoidal pedestal 1, and the pedestal 1 is rotatably connected to bar shaped along its side
Bottom plate, the outside and the bottom side of support arm 2 of the bottom plate are hinged, and the top of the support arm 2 and shooting bar 3 are hinged.The bat
It takes the photograph on bar 3 and camera lens is installed.
The top surface of the background board it is placed in the middle be equipped with annular base 4, thrust bearing is installed on the annular base 4, institute
It states and arc-shaped guide rail 5 is fixed on thrust bearing, the arc-shaped guide rail 5 is 20 degree for radian, and the center of circle is justified upwards with annular base 4
5 structure of arc-shaped guide rail that the heart overlaps in the vertical direction slidably connects semicircular slide 6 in the arc-shaped guide rail 5, described
Slide 6 is vertically arranged with background board, and part of the slide 6 outside arc-shaped guide rail 5 is equipped with arc along its radian direction
Rack, the radian of the arc-shaped rack is corresponding with the radian of slide 6, and shaft is rotatably equipped on the arc-shaped guide rail 5
34, the lower gear 35 being meshed with arc-shaped rack is fixed in the shaft 34, the shaft 34 is equipped with wheel disc 36, the wheel
Disk 36 facilitates people to stir and control the rotation of shaft 34, so as to control the rotation of gear and then realize to 6 swing angle of slide
Adjustment.So as to make one that the first half of thrust bearing is pinned with a hand, and wheel disc 36 is stirred with thumb, it becomes possible to one hand side simultaneously
Just the swing horizontally rotated with slide 6 of arc-shaped guide rail 5 is adjusted while, it is very convenient.
The both ends of the slide 6 are symmetrically equipped with clamping device, and the center of the slide 6 is equipped with to be detachably connected with it
Platform mechanism.
The clamping device includes telescopic rod 7 and fixture 8, and the telescopic rod 7 includes casing 11, interior bar 12, described sleeve pipe
11 one end is fixedly connected with the top of slide 6, and the inner ends thereof of described sleeve pipe 11 is connected with the first lantern ring 13, described sleeve pipe 11
The outside of interior bar 12 is socketed in, the side wall of the interior bar 12 is equipped with straight, the inner wall of described sleeve pipe 11 along its length
The slider bar being slidably connected with sliding slot is equipped with, the two cooperation makes casing 11 and interior bar 12 be slidably connected, and the interior bar 12 runs through
First lantern ring 13 and the two threaded connection.The inner end of the telescopic rod 7 is equipped with terminal pad 14, and the fixture 8 includes connector 15,
The connector 15 is rotatablely connected with terminal pad 14, and the connector 15 includes the circular folder for being arranged at 14 front and rear sides of terminal pad
Plate 24, the avris of the circle clamping plate 24 are equipped with link block 25, and the circle clamping plate 24 is equipped with placed in the middle in terminal pad 14
Screw hole, the screw hole internal thread are connected with fixing bolt.Rigid jacking block 16, flexible jacking block are fixedly connected on the connector 15
17 and gripper 18, the hardness jacking block 16, flexible jacking block 17 and gripper 18 are distributed along the side of connector 15, the hardness
Jacking block 16 includes the top plate being fixedly connected on connector 15, and columnar projections, the flexibility jacking block 17 are distributed on the top plate
Including the fore-set being fixedly connected on connector 15, the outer end of the decorative pearl on top of an official cap is equipped with rubber block, and the gripper 18 includes fixing
The fixed plate 19 being connected on connector 15, be symmetrically equipped at the inside edge of the fixed plate 19 away from connector 15 and its
The synchromesh gear 20 of rotation connection, the synchromesh gear 20 is two and is meshed, and is also rotatably connected in the fixed plate 19
The drive gear 21 being meshed with one of synchromesh gear 20 is additionally provided in the fixed plate 19 coaxial with drive gear 21
Knob, the knob facilitate the angle of control crawl folding.The bottom surface of the knob is equipped with rubber friction circle, and the rubber rubs
It wipes circle to contact with the surface of fixed plate 19, plays the effect for improving frictional force.Crawl can be fixed on adjusted angle.Institute
It states and V-type bar 22 is fixed on synchromesh gear 20, the V-type opening of the V-type bar 22 is oppositely arranged, fixed on the V-type bar 22 to connect
Grillage 23 is connected to, the inside of the grillage 23 is equipped with opposite grasping teeth.
The platform mechanism includes Quick Release telescopic mast 9 and platform 10.The center of the guide rail is equipped with the screw head for being directed toward axle center
26, the Quick Release telescopic mast 9 includes sleeve 27 and inner prop 28, and one end of the sleeve 27 is threadedly coupled with screw head 26, the set
The top of cylinder 27 is rotatably connected to the second lantern ring 29, and the inner prop 28 is socketed in sleeve 27, along length side in the inner prop 28
To equipped with special-shaped slot of the opening in bottom surface, the bottom surface in the sleeve 27 is equipped with the special-shaped bar 37 being adapted with special-shaped slot, different
Shape slot is engaged with special-shaped bar 37 makes inner prop 28 be slidably connected and cannot rotate with sleeve 27.The top of the inner prop 28 is through the
Two lantern rings 29 and the two are threadedly coupled, and the platform 10 is arranged at the top of inner prop 28.The bottom of the platform 10 is fixed on soon
It tears open on telescopic mast 9, the platform 10 both sides adjacent with clamping device are equipped with strip-type hole, are symmetrically set in the clamping device
There is the cavity being connected with strip-type hole, fixing axle 30 is equipped in the cavity, is socketed in the fixing axle 30 and matches somebody with somebody with its gap
The I-shaped reel 31 closed, is equipped with backrush disc spring, drawing is wound on the reel 31 between the reel 31 and fixing axle 30
Net 32, the outside of the seine 32 are pierced by from strip-type hole, and are drawn in the net 32 outside and be fixed with arrow rack 33, on the arrow rack 33
Multiple links are distributed with, the link is used in combination with grasping teeth.
Claims (7)
1. a kind of subject audio-visual education programme video presenter in kind, including pedestal, the top surface of the pedestal is equipped with background board and control panel,
The one side of the pedestal is equipped with support arm, and the top of the support arm is connected with shooting bar, camera lens is equipped on the shooting bar,
It is characterized in that：The top surface of the background board it is placed in the middle be equipped with annular base, circumferentially rotate connection along it on the annular base
There is arc-shaped guide rail, semicircular slide is slidably connected in the arc-shaped guide rail, the both ends of the slide are symmetrically equipped with clamping
Mechanism, the center of the slide are equipped with the platform mechanism being detachably connected with it, and the clamping device includes telescopic rod and fixture,
The platform mechanism includes Quick Release telescopic mast and platform.
2. a kind of subject audio-visual education programme video presenter in kind according to claim 1, it is characterised in that：The telescopic rod includes set
Pipe, interior bar, one end of described sleeve pipe are fixedly connected with the top of slide, and the inner ends thereof of described sleeve pipe is connected with the first lantern ring,
Described sleeve pipe is socketed in the outside of interior bar and the two is slidably connected, and the interior bar is threadedly coupled through the first lantern ring and the two, institute
The inner end and fixture for stating interior bar are detachably connected.
3. a kind of subject audio-visual education programme video presenter in kind according to claim 1, it is characterised in that：The inner end of the telescopic rod
Equipped with terminal pad, the fixture includes connector, and the connector is rotatablely connected with terminal pad, is fixedly connected on the connector
There are rigid jacking block, flexible jacking block and gripper, the hardness jacking block, flexible jacking block and gripper are distributed along the side of connector,
The hardness jacking block includes the top plate being fixedly connected on connector, and columnar projections, the flexible top is distributed on the top plate
Block includes the fore-set being fixedly connected on connector, and the outer end of the decorative pearl on top of an official cap is equipped with silica gel block or rubber block, the gripper bag
Include the fixed plate being fixedly connected on connector, it is symmetrical inside edge of the fixed plate away from connector to be equipped with and its turn
The synchromesh gear of dynamic connection, the synchromesh gear is two and is meshed, and is also rotatably connected in the fixed plate and wherein one
The drive gear that a synchromesh gear is meshed is additionally provided with the knob coaxial with drive gear, the synchronous gear in the fixed plate
V-type bar is fixed on wheel, the V-type opening of the V-type bar is oppositely arranged, and grillage, the grillage are fixedly connected on the V-type bar
Inside be equipped with opposite grasping teeth.
4. a kind of subject audio-visual education programme video presenter in kind according to claim 3, it is characterised in that：The connector includes setting
The circular clamping plate of terminal pad front and rear sides is placed in, the avris of the circle clamping plate is equipped with link block, and the circle clamping plate is with being connected
Placed in the middle on disk to be equipped with screw hole, the screw hole internal thread is connected with fixing bolt.
5. a kind of subject audio-visual education programme video presenter in kind according to claim 1, it is characterised in that：The center of the guide rail is set
There is the screw head for being directed toward axle center, the Quick Release telescopic mast includes sleeve and inner prop, and one end of the sleeve is threadedly coupled with screw head, institute
The top for stating sleeve is rotatably connected to the second lantern ring, and the inner prop is socketed in sleeve and the two is slidably connected, the inner prop
Top is threadedly coupled through the second lantern ring and the two, and the platform is arranged at the top of inner prop.
6. a kind of subject audio-visual education programme video presenter in kind according to claim 3, it is characterised in that：The bottom of the platform is consolidated
It is scheduled on Quick Release telescopic mast, the platform both sides adjacent with clamping device are equipped with strip-type hole, symmetrical in the clamping device
Equipped with the cavity being connected with strip-type hole, fixing axle is equipped in the cavity, is socketed in the fixing axle and matches somebody with somebody with its gap
The I-shaped reel closed, is equipped with backrush disc spring, seine, the drawing is wound on the reel between the reel and fixing axle
The outside of net is pierced by from strip-type hole, and the outside drawn in the net is fixed with arrow rack, and multiple links are distributed on the arrow rack, described
Link is used in combination with grasping teeth.
7. a kind of subject audio-visual education programme video presenter in kind according to claim 1, it is characterised in that：The pedestal is circular base
Seat, the pedestal are rotatably connected to the bottom plate of bar shaped along its side, and the outside of the bottom plate and the bottom side of support arm are hinged, described
The top of support arm is hinged with shooting bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810055140.7A CN108109442A (en) | 2018-01-19 | 2018-01-19 | A kind of subject audio-visual education programme video presenter in kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810055140.7A CN108109442A (en) | 2018-01-19 | 2018-01-19 | A kind of subject audio-visual education programme video presenter in kind |
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| CN110491272A (en) * | 2019-09-17 | 2019-11-22 | 深圳模德宝科技有限公司 | A kind of automation fixture instructional device |
| CN112401591A (en) * | 2020-12-02 | 2021-02-26 | 北京三月雨文化传播有限责任公司 | Diversified convenient display device that art exhibition was used |
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| CN112401591A (en) * | 2020-12-02 | 2021-02-26 | 北京三月雨文化传播有限责任公司 | Diversified convenient display device that art exhibition was used |
| CN112401591B (en) * | 2020-12-02 | 2021-07-06 | 北京三月雨文化传播有限责任公司 | Diversified convenient display device that art exhibition was used |
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Application publication date: 20180601 |