CN206739062U - A kind of telescopic blackboard lights - Google Patents
A kind of telescopic blackboard lights Download PDFInfo
- Publication number
- CN206739062U CN206739062U CN201720469217.6U CN201720469217U CN206739062U CN 206739062 U CN206739062 U CN 206739062U CN 201720469217 U CN201720469217 U CN 201720469217U CN 206739062 U CN206739062 U CN 206739062U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- drive device
- gear
- rotating bar
- light fixture
- 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.)
- Expired - Fee Related
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
It the utility model is related to a kind of telescopic blackboard lights, including rotating bar, drive device, retaining rail, light fixture, controlling switch, retaining rail is provided with two chutes, rotating bar one end is connected with slide, the other end is connected with drive device, and light fixture is connected with retaining rail, and drive device is fixed at the top of blackboard, controlling switch is fixed on the sidepiece of blackboard, and controlling switch controls the open and close of light fixture.Advantage is：Reasonable integral structure, convenient use, blackboard lights are fixed at the top of blackboard, can as needed stretch, not influence the use of projection screen, the blackboard surface illuminating effect that and can has obtained.Drive two rotating bars to rotate backward using drive device, realize the flexible of retaining rail, and then adjust the illumination range of light fixture, do not influence the use of projection screen when it withdraws completely.
Description
Technical field
It the utility model is related to a kind of light fixture, more particularly to a kind of telescopic blackboard lights.
Background technology
In order to which the life to people, working and learning provide a luminous environment comfortable, efficiently, healthy, China is built
Lighting Design standard is built to be enhanced.Teenager is the future of country, and its health should receive much concern, however,
Adolescent myopia incidence of disease in China's constantly rises in recent years, rises to the current world the 2nd by the 4th, the world of 1998
Position.The reason for causing myopia of student is a lot, and wherein lighting quality difference is to cause one of factor of myopia of student.According to investigations, classroom
Lighting quality difference mainly as desktop and blackboard illumination be low, uniformity of illuminance not enough, caused by light stroboscopic, the reason such as dazzle, though
Right China《Standard for lighting design of buildings》The desk top illumination of classroom and blackboard surface shine since GB50034-2004 versions
300lx and 500lx has been respectively increased in degree, and this promotes teenager's vision health all to have great to improving classroom luminous environment
Meaning.But in real life, the illumination in classroom to illumination requirement highest blackboard surface is not fully up to expectations, such as, have
Blackboard lights is fixed on the ceiling before blackboard, and illumination highest place is not on blackboard, although some blackboard lightses can make highest
Illumination is on blackboard, but the uniformity of illuminance of whole blackboard surface is too poor, and some blackboard lightses can concentrate the light that it is sent
And uniformly project on blackboard surface, this blackboard lights can obtain preferable illuminating effect when using fixed blackboard, can
It is for sliding up and down formula blackboard, this blackboard lights being fixed on ceiling or wall cannot be the throwing of the light peak efficiency sent
It is mapped on blackboard, this not only influences classroom luminous environment, unfavorable to teen-age health, also results in energy waste.If
This blackboard lights is arranged on blackboard, slided up and down with blackboard, just can obtain good blackboard surface illuminating effect.So
And blackboard lights, which is arranged on blackboard, to be needed to exceed blackboard surface certain distance, the use of projection screen can be influenceed, projecting apparatus is now several
It is the standard configuration in classroom, so this efficient unsuitable classroom using projecting apparatus of blackboard lights.
The content of the invention
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of telescopic blackboard lights, does not influence to throw
The normal use of shadow equipment, good illumination is provided for blackboard.
To achieve the above object, the utility model is achieved through the following technical solutions：
A kind of telescopic blackboard lights, including rotating bar, drive device, retaining rail, light fixture, controlling switch, set in retaining rail
There are two chutes, rotating bar one end is connected with slide, and the other end is connected with drive device, and light fixture is connected with retaining rail, is driven
Dynamic device is fixed at the top of blackboard, and controlling switch is fixed on the sidepiece of blackboard, and controlling switch controls the open and close of light fixture.
Described drive device includes two stepper motors, and the output end of stepper motor is connected with rotating bar.
Described drive device includes motor, gear one, gear two, motor-driven gear one, gear one and gear two-phase
Mutually engagement, gear one, gear two are fixedly connected with two rotating bars respectively.
Described rotating bar one end is provided with limiting stand, and both sides are provided with the groove to match with limiting stand in chute.
Described rotating bar one end is provided with pulley.
Compared with prior art, the beneficial effects of the utility model are：
Telescopic blackboard lights reasonable integral structure, convenient use, blackboard lights are fixed at the top of blackboard, can stretched as needed
Contracting, does not influence the use of projection screen, the blackboard surface illuminating effect that and can has obtained.Drive two rotating bars anti-using drive device
To rotation, the flexible of retaining rail is realized, and then adjusts the illumination range of light fixture, does not influence making for projection screen when it withdraws completely
With.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is the top view one when the utility model stretches out.
Fig. 5 is the top view one when the utility model is withdrawn.
Fig. 6 is the top view two when the utility model stretches out.
Fig. 7 is the top view two when the utility model is withdrawn.
Fig. 8 is the structural representation of drive device.
Fig. 9 is the front view one of rotating bar.
Figure 10 is the side view one of rotating bar.
Figure 11 is the front view two of rotating bar.
Figure 12 is the side view two of rotating bar.
Figure 13 is the sectional view of retaining rail.
In figure：1- blackboard 2- drive device 3- rotating bar 4- retaining rail 5- light fixture 6- controlling switch 7- chutes 8-
The 14- fix bar 15- housings of one 13- gears of limiting stand 9- pulley 10- groove 11- motor 12- gears two.
Embodiment
The utility model is described in detail with reference to Figure of description, it should be noted that of the present utility model
Implementation is not limited to following embodiment.
See Fig. 1-Fig. 7, a kind of telescopic blackboard lights, including rotating bar 3, drive device 2, retaining rail 4, light fixture 5, control are opened
6 are closed, retaining rail 4 is provided with two chutes 7, and the one end of rotating bar 3 is slidably connected with chute 7, and the other end is connected with drive device 2,
Light fixture 5 is connected with retaining rail 4, and drive device 2 is fixed on the top of blackboard 1, and controlling switch 6 is fixed on the sidepiece of blackboard 1, and control is opened
The open and close of 6 control light fixtures 5 are closed, see Fig. 3.The switch of control drive device 2 may also be arranged on the sidepiece of blackboard 1.Light fixture 5 with
Retaining rail 4 is movable be hinged, realizes the regulation of light angle.
See Fig. 1, drive device 2 includes two stepper motors, and the output end of stepper motor is connected with rotating bar 3, two
Driving stepper motor rotating bar 3 rotates backward, and to realize the stretching of light fixture 5 or retraction, a pair of drive devices 2 control a light fixture
5 stretching or withdrawal, is shown in Fig. 4, Fig. 5.
See Fig. 2, Fig. 8, drive device 2 includes motor 11, gear 1, gear 2 13, the drive gear 1 of motor 11, tooth
Take turns 1 to be intermeshed with gear 2 13, gear 1, gear 2 13 are fixedly connected with two rotating bars 3 respectively, and motor 11 drives
Band moving gear 1 is rotated while turn lever 3 rotates, and gear 1 is engaged with gear 2 13 and rotated backward, and realizes that two turn
Lever 3 rotates backward.During specific making, drive device 2 can be fixed in housing 15, a rotating bar 3 exports with motor 11
Axle is fixedly connected, and gear 1 is fixedly connected with the rotating bar 3, and the bottom of gear 2 13 is supported by fix bar 14 and fixed, fixed
Bar 14 is connected with gear 2 13 by bearing, and another rotating bar 3 is fixedly connected with gear 2 13.
See Figure 11-Figure 13, the one end of rotating bar 3 is provided with limiting stand 8, and both sides are provided with the ditch to match with limiting stand 8 in chute 7
Groove 10, to prevent departing from retaining rail 4 in the motion process of rotation stop lever 3.
See Fig. 9, Figure 10, the one end of rotating bar 3 is provided with pulley 9, and pulley 9 is arranged in chute 7.
Telescopic blackboard lights is arranged on edge on sliding blackboard 1, can be slided up and down with blackboard 1, as needed can be free
Ground stretches out or retracted, and neither influences the use of projection screen, the face illuminating effect of blackboard 1 that and can has obtained, is advantageously implemented simultaneously
Lighting energy saving.Light fixture 5 is fixed in retaining rail 4 with most suitable angle, can obtain best contrast, will not be produced again dizzy
Light.
See Fig. 1, Fig. 2, as needed, one piece of blackboard 1 can configure 2 to 4 scalable blackboard lightses, when without projection
When, projection screen is packed up, and light fixture 5 is all stretched out, it is necessary to which the used time, fully open can illuminate blackboard 1；It is when using only projection or black
When the top of plate 1 needs to hang other teaching aids, blackboard lights can all be withdrawn；Upper class hour should use projection, again during blackboard 1,
Blackboard lights corresponding to projection screen can be withdrawn, other blackboard lightses, which are stretched, illuminates blackboard 1, so see projection and look at the blackboard 1 mutually not
Influence.
The advantages of the utility model：
1) good illumination effect, no matter which position blackboard 1 is in, and can make light almost all that blackboard lights is sent and
Even projects on blackboard 1, is not less than 500lx to reach illumination, uniformity of illuminance is not less than 0.7, and student will not be produced
Raw dazzle.
2) service efficiency of light fixture 5 is high, because light fixture 5 can slide up and down with blackboard 1, so as to remain blackboard lights
Original service efficiency, substantially no illumination to the place penetrated beyond blackboard 1, also have, a part of blackboard lights can be stretched out as needed
With withdraw a part of blackboard lights so that the light that this telescopic blackboard lights is sent obtains the utilization of peak efficiency.
3) save lighting the energy, because the efficiency of new and effective blackboard lights light source in itself and light fixture 5 is all very high, adds
Apparatus of the present invention, light almost all that blackboard lights is sent can be made and uniformly projected on blackboard 1, and easy to use, control
System is flexible, therefore, is advantageous to the energy that saves lighting.
Claims (5)
- A kind of 1. telescopic blackboard lights, it is characterised in that including rotating bar, drive device, retaining rail, light fixture, controlling switch, Gu Orbit determination is provided with two chutes, and rotating bar one end is connected with slide, and the other end is connected with drive device, light fixture and retaining rail Connection, drive device are fixed at the top of blackboard, and controlling switch is fixed on the sidepiece of blackboard, the unlatching of controlling switch control light fixture with Close.
- 2. a kind of telescopic blackboard lights according to claim 1, it is characterised in that described drive device includes two steps Stepper motor, the output end of stepper motor are connected with rotating bar.
- A kind of 3. telescopic blackboard lights according to claim 1, it is characterised in that described drive device include motor, Gear one, gear two, motor-driven gear one, gear one are intermeshed with gear two, and gear one, gear two turn with two respectively Lever is fixedly connected.
- 4. a kind of telescopic blackboard lights according to claim 1, it is characterised in that described rotating bar one end is provided with spacing Platform, both sides are provided with the groove to match with limiting stand in chute.
- 5. a kind of telescopic blackboard lights according to claim 1, it is characterised in that described rotating bar one end, which is provided with, to be slided Wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469217.6U CN206739062U (en) | 2017-04-28 | 2017-04-28 | A kind of telescopic blackboard lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469217.6U CN206739062U (en) | 2017-04-28 | 2017-04-28 | A kind of telescopic blackboard lights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206739062U true CN206739062U (en) | 2017-12-12 |
Family
ID=60563023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469217.6U Expired - Fee Related CN206739062U (en) | 2017-04-28 | 2017-04-28 | A kind of telescopic blackboard lights |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206739062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027010A (en) * | 2020-09-14 | 2020-12-04 | 唐开强 | Intelligent positioning device for preventing reef touch and grounding of ship |
-
2017
- 2017-04-28 CN CN201720469217.6U patent/CN206739062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027010A (en) * | 2020-09-14 | 2020-12-04 | 唐开强 | Intelligent positioning device for preventing reef touch and grounding of ship |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208919846U (en) | A kind of magnetic track lamp | |
| CN105402638A (en) | Height-adjustable intelligent desk lamp | |
| CN109163253A (en) | A kind of building energy conservation lighting device | |
| CN208074741U (en) | A kind of household formula headlamp light modulating device | |
| CN106907610A (en) | A kind of special mechanical movement formula eye-protecting desk lamp of student | |
| CN110345425A (en) | A kind of embedded floor lamp | |
| CN108730814A (en) | A kind of multi-functional adjustable desk lamp | |
| CN207569804U (en) | A kind of lamp light adjustable gathers the headlamp of diverging | |
| CN206739062U (en) | A kind of telescopic blackboard lights | |
| CN208107836U (en) | A kind of adjustable commercial lighting lamp of light angle | |
| CN206657161U (en) | A kind of novel photographic lamp | |
| CN211146210U (en) | Projection lamp | |
| CN209622389U (en) | A kind of advertising lamp box | |
| CN207962307U (en) | Precisely adjust the day bank light of angle | |
| CN110966557A (en) | Adjustable solar street lamp based on gear drive principle | |
| CN214094122U (en) | Illuminating lamp with adjustable illuminating angle | |
| CN207962258U (en) | A kind of construction site lighting apparatus | |
| CN109163279A (en) | A kind of portable type solar energy scenery lamp based on Internet of Things | |
| CN211450467U (en) | Beauty lighting shadowless lamp | |
| CN208620139U (en) | A kind of lighting device with large area irradiation area | |
| CN204378352U (en) | A kind of multimedia teaching servicing unit | |
| CN210018367U (en) | Workstation that indoor decoration used | |
| CN210740073U (en) | Regulation and control type LED fan lamp | |
| CN208779235U (en) | A kind of energy-saving ornament lamp of adjustable lamp irradiation angle | |
| CN206890348U (en) | A kind of adjustable curved surface device that can realize the specific least bit movement of LED street lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20210428 |