CN205539753U - Prevent blackboard reflex reflector - Google Patents
Prevent blackboard reflex reflector Download PDFInfo
- Publication number
- CN205539753U CN205539753U CN201620348916.0U CN201620348916U CN205539753U CN 205539753 U CN205539753 U CN 205539753U CN 201620348916 U CN201620348916 U CN 201620348916U CN 205539753 U CN205539753 U CN 205539753U
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- CN
- China
- Prior art keywords
- polaroid
- blackboard
- reflective light
- fixed plate
- light device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a prevent blackboard reflex reflector relates to the teaching aid field, prevent blackboard reflex reflector includes fixing support, swivel mount, inclined to one side vibration -damping sheet support frame and two inclined to one side vibration -damping sheet, two inclined to one side vibration -damping sheet parallel arrangement, one of them partially vibration -damping sheet with inclined to one side vibration -damping sheet support frame rigid coupling, another partially vibration -damping sheet with the vibration -damping sheet support frame rotates and connects partially, partially the vibration -damping sheet support frame with fixing support rotates the connection, partially the vibration -damping sheet support frame with the swivel mount butt, fixing support with the swivel mount be used for respectively with the wall rigid coupling. The utility model provides a prevent blackboard reflex reflector has solved the technical problem that the blackboard reflects light and leads to the student normally to study among the prior art.
Description
Technical field
This utility model relates to teaching aid technical field, especially relates to a kind of anti-blackboard reflective light device.
Background technology
Present middle and primary schools classroom, the most still uses blackboard and chalk to impart knowledge to students, and blackboard is positioned at religion
The dead ahead of room, by teacher's on top writing and teaching content, student is in viewing below.But, due to
The surface of blackboard is more smooth, and the classmate attended class in classroom often has such impression, in sunlight intensity
In the case of relatively big, bright especially in summer at light, the sunlight that dazzling intensity is higher passes through window
After oblique fire enters classroom, often formed reflective on blackboard.
Student, when looking at the blackboard, often can not see the word on blackboard because light somewhere is too strong.
Particularly on window seat, sunlight direct projection desktop, is drawn on blackboard by opposite side nature light
The veiling reflection risen is even more serious, not only affect student and attends class efficiency, makes student normally not learn, and grows
Time also can aggravate the visual fatigue of student, and the vision of student is caused damage.
In order to reduce reflective impact, curtain usually can be pulled on by classmates, to obtain more preferable vision
Effect, but this method wastes lamp the most to a certain extent.Existing elimination blackboard is anti-
The product of light, is essentially all and does some improvement on blackboard, but in the effect eliminating blackboard reflective light
The most highly desirable.
Based on this, this utility model provides a kind of anti-blackboard reflective light device to solve above-mentioned technical problem.
Utility model content
The purpose of this utility model is to avoid the deficiencies in the prior art, it is provided that a kind of anti-blackboard reflective light fills
Put, to solve the technical problem that blackboard reflective light present in prior art causes student normally not learn,
Eliminate the blackboard reflective light impact on student eyesight simply and effectively.
The anti-blackboard reflective light device that this utility model provides, including hold-down support, swivel mount, polaroid
Bracing frame and two polaroids；
Two described polaroids be arranged in parallel, one of them described polaroid and described polaroid bracing frame
Affixed, another described polaroid is rotationally connected with described polaroid bracing frame；
Described polaroid bracing frame is rotationally connected with described hold-down support；
Described polaroid bracing frame abuts with described swivel mount；
Described hold-down support and described swivel mount are respectively used to affixed with wall.
Optionally, two described polaroids are the most in disk form, and two described polaroids are provided with one
Circle scale.
Polaroid arranges scale, is more rapid in order to adjust.When starting, inclined according to light intensity
The sheet that shakes may carry out back rotation and suitable angle just can be found to meet needs.Through use after a while
After, need the angle being adjusted to substantially to have understanding for each period polaroid every day, after this,
Needs adjust polaroid when, scale directly turns an angle as required, adjusts more
Convenient and swift, save the adjustment time.
Optionally, described polaroid bracing frame includes external part and base, and described base is provided with two
Individual arcuate groove, two described polaroids are respectively placed in two described arcuate grooves；The one of described external part
End is rotationally connected with described hold-down support, and the other end is affixed with described base, the middle part of described external part
Abut with described swivel mount.
Placing polaroid by arcuate groove, use simple, it is convenient to place, and it is also easy to rotate, and is also convenient for
Pack up and take off polaroid.External part is as attachment structure, it is achieved with being rotationally connected of hold-down support.
Realize otherwise placing polaroid it is of course also possible to use, such as, base arrange support,
Polaroid is connected with holder pivots by central shaft.These modes are all within the protection domain of the application.
Optionally, described hold-down support includes central shaft and fixed plate；Described fixed plate is used for and wall
Affixed；Described central shaft end is affixed with described fixed plate, and the middle part of described central shaft is stretched out with described
End is rotationally connected.
Being rotationally connected with external part by central shaft, easy to connect, overall structure is simple, easy to process,
Save processing cost.
Optionally, described fixed plate is provided centrally with screw, and described central shaft is double threaded screw；Described
The end of external part is provided with through hole, and one end of described double threaded screw is fixing with described through described through hole
Plate is spirally connected, and the other end is provided with nut.
The mode being screwed is fixing simple, easy accessibility, is suitable for big batch processing, saves processing
Cost.
Optionally, described fixed plate being additionally provided with multiple hole for the expansion bolt, described fixed plate is by swollen
Swollen bolt is fixed with wall.
By using expansion bolt to fix described fixed plate, fixing is more firm, and fixed plate is not easy
Come off.
Optionally, described fixed plate is circular, and multiple described hole for the expansion bolts are around described fixed plate
Central shaft is uniformly distributed.
Equally distributed expansion bolt makes fixed plate stress evenly, it is not easy to destroy body of wall, it is ensured that wall
The stability of body, difficult drop-off.Preferably, described swivel mount includes riser and horizontal plate, described vertical
Plate is for fixing with wall, and described horizontal plate is perpendicular to described riser and places；Described horizontal plate is with described
External part abuts.
The horizontal plate of horizontal positioned is used for holding external part, makes external part be in horizontal level, plays and props up
The effect that support is fixing.Certainly, other the mode that swivel mount can also use, the form such as linked up with
Etc., all in the protection domain of the application.
Optionally, described horizontal plate is rotationally connected with described riser, and described horizontal plate is provided with hook,
Described hook removably connects with described riser, is used for keeping described horizontal plate horizontal positioned.
Described horizontal plate is rotationally connected with described riser, not using this device when, and can be by this
Device is packed up, and prevents the horizontal plate protruded from damaging classmates.By arranging hook, horizontal plate can be hung
On vertical plate, keep level, thus play the effect holding external part.
Optionally, described horizontal plate is rotationally connected with described riser by rotary shaft.
Being machined with rectangular channel bottom riser, two ends processing screw thread, flat board side is provided with cylinder, circle
Cylinder is in rectangular channel, and rotary shaft passes described riser and cylinder, makes described riser and described horizontal plate
It is rotationally connected by described rotary shaft.Rotary shaft two ends can be threaded, and is fixed by nut.Turn
The mode that moving axis is rotationally connected is easier to realize, and processing is simple.
The described anti-blackboard reflective light device that this utility model provides, before using, debugs before window,
Select suitable installation site, enable polaroid to weaken the light intensity entered in classroom.Then,
Described hold-down support and swivel mount are fixed on wall.In use, by described polaroid bracing frame
Turn to horizontal level, make two described polaroids be positioned at window front correct position.Described polaroid
Bracing frame is held by described swivel mount so that it is before can being positioned over window.Rotate regulation polaroid, make window
The sunlight that family passes through is weakened through polaroid, thus weakens the reflective degree of blackboard.Need not
During use, take off polaroid, rotate described polaroid bracing frame, retracting device, do not affect window
Normally enter light.Polaroid is rotatable, and that can tackle different periods varying strength enters light demand, according to
Needs are adjusted.
The described anti-blackboard reflective light device that this utility model provides, by arranging polaroid before window, from
And weaken the light that enters of window, and then the reflective degree of blackboard is weakened so that student is when study
Blackboard can be seen clearly, normally learn, improve the efficiency of attending class of student.And simple in construction is easy to use,
Can pack up at any time, not affect natural lighting.
Based on this, this utility model than original technology, have can weaken blackboard reflective light and folding and unfolding from
By, the advantage not affecting normal daylighting.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical side of the prior art
Case, will make simply the accompanying drawing used required in detailed description of the invention or description of the prior art below
Introduce, it should be apparent that, the accompanying drawing in describing below is embodiments more of the present utility model, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
The front view of the anti-blackboard reflective light device that Fig. 1 provides for this utility model embodiment；
The population structure schematic diagram of the anti-blackboard reflective light device that Fig. 2 provides for this utility model embodiment；
The structural representation of the swivel mount that Fig. 3 provides for this utility model embodiment.
Reference:
1-hold-down support；2-swivel mount；3-polaroid bracing frame；
4-polaroid；11-central shaft；12-fixed plate；
21-riser；22-horizontal plate；23-links up with；
24-rotary shaft；25-rectangular channel；26-cylinder；
31-external part；32-base；33-arcuate groove；
41-scale.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobvious
So, described embodiment is a part of embodiment of this utility model rather than whole embodiments.
Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work
The every other embodiment obtained under premise, broadly falls into the scope of this utility model protection.
In description of the present utility model, it should be noted that term " " center ", " on ", D score,
Orientation or the position relationship of the instruction such as "left", "right", " vertically ", " level ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplification is retouched
State rather than indicate or imply that the device of indication or element must have specific orientation, with specifically
Azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or imply relatively heavy
The property wanted.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals
Connection.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in utility model.
Embodiment one
The front view of the anti-blackboard reflective light device that Fig. 1 provides for this utility model embodiment.Such as Fig. 1 institute
Showing, providing a kind of anti-blackboard reflective light device in the present embodiment, described anti-blackboard reflective light device includes
Hold-down support 1, swivel mount 2, polaroid bracing frame 3 and two polaroids 4；
Two described polaroids 4 be arranged in parallel, and one of them described polaroid 4 props up with described polaroid
Support 3 is affixed, and another described polaroid 4 is rotationally connected with described polaroid bracing frame 3；
Described polaroid bracing frame 3 is rotationally connected with described hold-down support 1；
Described polaroid bracing frame 3 abuts with described swivel mount 2；
Described hold-down support 1 and described swivel mount 2 are respectively used to affixed with wall.
The described anti-blackboard reflective light device that this utility model provides, before using, debugs before window,
Select suitable installation site, make polaroid 4 can weaken the light intensity entered in classroom.Then,
Described hold-down support 1 and swivel mount 2 are fixed on wall.In use, described polaroid is propped up
Support 3 turns to horizontal level, and two described polaroids 4 are placed in window front correct position.Institute
State polaroid bracing frame 3 to be supported by described swivel mount 2.Rotate regulation polaroid 4, make window pass through
Sunlight is weakened through polaroid 4, thus weakens the reflective degree of blackboard.When need not use,
Taking off polaroid, rotate described polaroid bracing frame 3, retracting device, do not affect window normally enters light.
Polaroid 4 is rotatable, and that can tackle different periods varying strength enters light demand, carries out as required
Regulation.
The described anti-blackboard reflective light device that this utility model provides, by arranging polaroid 4 before window, from
And weaken the light that enters of window, and then the reflective degree of blackboard is weakened so that student is when study
Blackboard can be seen clearly, normally learn, improve the efficiency of attending class of student.And simple in construction is easy to use,
Can pack up at any time, not affect natural lighting.
Based on this, this utility model than original technology, have can weaken blackboard reflective light and folding and unfolding from
By, the advantage not affecting normal daylighting.
The structural representation of the anti-blackboard reflective light device that Fig. 2 provides for this utility model embodiment；Fig. 3
Structural representation for the swivel mount that this utility model embodiment provides.Such as Fig. 1-3, the present embodiment can
Selecting in scheme, two described polaroids 4 are the most in disk form, and two described polaroids 4 are provided with
One circle scale 41.
Polaroid 4 arranges scale 41, is more rapid in order to adjust.When starting, according to light
Strong polaroid 4 may carry out back rotation and suitable angle just can be found to meet needs.Through after a while
Use after, need the angle that is adjusted to substantially to have understanding for each period polaroid 4 every day,
After this, needs adjust polaroid 4 when, scale directly turns an angle i.e. as required
Can, adjust more convenient and quicker, save the adjustment time.
Further, described polaroid bracing frame 3 includes external part 31 and base 32, described base
Being provided with two arcuate grooves 33 on 32, two described polaroids 4 are respectively placed in two described arcuate grooves 33
In；One end of described external part 31 is rotationally connected with described hold-down support 1, the other end and described base
32 is affixed, and the middle part of described external part 31 abuts with described swivel mount 2.
Placing polaroid 4 by arcuate groove 33, use simple, it is convenient to place, and it is also easy, also to rotate
Conveniently pack up and take off polaroid 4.External part 31 is as attachment structure, it is achieved with hold-down support 1
It is rotationally connected.Realize otherwise placing polaroid 4, such as, at base it is of course also possible to use
Arranging support on 32, polaroid 4 is connected with holder pivots by central shaft 11.These modes are all at this
Within the protection domain of application.
Further, described hold-down support 1 includes central shaft 11 and fixed plate 12；Described fixed plate
12 for affixed with wall；Described central shaft 11 end is affixed with described fixed plate 12, described center
The middle part of axle 11 is rotationally connected with described external part 31.
Being rotationally connected with external part 31 by central shaft 11, easy to connect, overall structure is simple, adds
Work is convenient, saves processing cost.
Further, described fixed plate 12 is provided centrally with screw, and described central shaft 11 is double end spiral shell
Bar；The end of described external part 31 is provided with through hole, and one end of described double threaded screw passes described through hole
Being spirally connected with described fixed plate 12, the other end is provided with nut, and the external diameter of nut is more than the internal diameter of through hole,
Prevent external part from coming off.
The mode being screwed is fixing simple, easy accessibility, is suitable for big batch processing, saves processing
Cost.
Preferably, described fixed plate 12 is additionally provided with multiple hole for the expansion bolt, described fixed plate 12
Fixed with wall by expansion bolt.
By using expansion bolt to fix described fixed plate 12, fixing is more firm, and fixed plate 12 is not
Easily come off.
Further, described fixed plate 12 is circular, and multiple described hole for the expansion bolts are around described fixing
The central shaft 11 of plate 12 is uniformly distributed.
Equally distributed expansion bolt makes fixed plate 12 stress evenly, it is not easy to destroy body of wall, it is ensured that
The stability of body of wall, difficult drop-off.
Preferably, described swivel mount 2 includes riser 21 and horizontal plate 22, described riser 21 for
Wall is fixed, and described horizontal plate 22 is perpendicular to described riser 21 and places；Described horizontal plate 22 is with described
External part 31 abuts.
The horizontal plate 22 of horizontal positioned is used for holding external part 31, makes external part 31 be in horizontal level,
Play and support fixing effect.Certainly, swivel mount 2 can also use other mode, such as, link up with
Form etc., all in the protection domain of the application.
Further, described horizontal plate 22 is rotationally connected with described riser 21, on described horizontal plate 22
Being provided with hook 23, described hook 23 removably connects with described riser 21, is used for keeping described water
Flat board 22 horizontal positioned.
Described horizontal plate 22 is rotationally connected with described riser 21, not using this device when, i.e.
This device can be packed up, prevent the horizontal plate 22 protruded from damaging classmates.By arranging hook 23, water
Flat board 22 can hang on vertical plate, keeps level, thus plays the work holding external part 31
With.
Further, described horizontal plate 22 is rotationally connected with described riser 21 by rotary shaft 24.
Being machined with rectangular channel 25 bottom riser 21, two ends processing screw thread, flat board side is provided with cylinder
26, cylinder 26 is in rectangular channel 25, and rotary shaft 24, through described riser 21 and cylinder 26, makes
Described riser 21 and described horizontal plate 22 are rotationally connected by described rotary shaft 24.Rotary shaft 24 liang
End can be threaded, and is fixed by nut.The mode that rotary shaft 24 is rotationally connected is easier to realize,
Processing is simple.
It is last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model,
It is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: it still can be to the skill described in foregoing embodiments
Art scheme is modified, or the most some or all of technical characteristic is carried out equivalent；And this
A little amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment skill
The scope of art scheme.
Claims (10)
1. an anti-blackboard reflective light device, it is characterised in that include hold-down support, swivel mount, polarization
Sheet bracing frame and two polaroids；
Two described polaroids be arranged in parallel, one of them described polaroid and described polaroid bracing frame
Affixed, another described polaroid is rotationally connected with described polaroid bracing frame；
Described polaroid bracing frame is rotationally connected with described hold-down support；
Described polaroid bracing frame abuts with described swivel mount；
Described hold-down support and described swivel mount are respectively used to affixed with wall.
Anti-blackboard reflective light device the most according to claim 1, it is characterised in that two described partially
The sheet that shakes is the most in disk form, and two described polaroids are provided with a circle scale.
Anti-blackboard reflective light device the most according to claim 2, it is characterised in that described polaroid
Bracing frame includes external part and base, and described base is provided with two arcuate grooves, two described polarizations
Sheet is respectively placed in two described arcuate grooves；One end of described external part rotates even with described hold-down support
Connecing, the other end is affixed with described base, and the middle part of described external part abuts with described swivel mount.
Anti-blackboard reflective light device the most according to claim 3, it is characterised in that described fixing
Seat includes central shaft and fixed plate；Described fixed plate is for affixed with wall；Described central shaft end with
Described fixed plate is affixed, and the middle part of described central shaft is rotationally connected with described external part.
Anti-blackboard reflective light device the most according to claim 4, it is characterised in that described fixed plate
Being provided centrally with screw, described central shaft is double threaded screw；The end of described external part is provided with through hole,
One end of described double threaded screw is spirally connected through described through hole with described fixed plate, and the other end is provided with nut.
Anti-blackboard reflective light device the most according to claim 4, it is characterised in that described fixed plate
On be additionally provided with multiple hole for the expansion bolt, described fixed plate is fixed with wall by expansion bolt.
Anti-blackboard reflective light device the most according to claim 6, it is characterised in that described fixed plate
For circle, multiple described hole for the expansion bolts are uniformly distributed around the central shaft of described fixed plate.
Anti-blackboard reflective light device the most according to claim 3, it is characterised in that described swivel mount
Including riser and horizontal plate, described riser is for fixing with wall, and described horizontal plate is perpendicular to described vertical
Plate is placed；Described horizontal plate abuts with described external part.
Anti-blackboard reflective light device the most according to claim 8, it is characterised in that described horizontal plate
Being rotationally connected with described riser, described horizontal plate is provided with hook, described hook and described riser can
Dismounting connects, and is used for keeping described horizontal plate horizontal positioned.
Anti-blackboard reflective light device the most according to claim 9, it is characterised in that described level
Plate is rotationally connected with described riser by rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348916.0U CN205539753U (en) | 2016-04-22 | 2016-04-22 | Prevent blackboard reflex reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348916.0U CN205539753U (en) | 2016-04-22 | 2016-04-22 | Prevent blackboard reflex reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539753U true CN205539753U (en) | 2016-08-31 |
Family
ID=56796021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620348916.0U Withdrawn - After Issue CN205539753U (en) | 2016-04-22 | 2016-04-22 | Prevent blackboard reflex reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739114A (en) * | 2016-04-22 | 2016-07-06 | 谢宗奇 | Apparatus for preventing blackboard reflection |
-
2016
- 2016-04-22 CN CN201620348916.0U patent/CN205539753U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739114A (en) * | 2016-04-22 | 2016-07-06 | 谢宗奇 | Apparatus for preventing blackboard reflection |
| CN105739114B (en) * | 2016-04-22 | 2018-07-31 | 谢宗奇 | Anti- blackboard reflective light device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180731 |