CN209991344U - Brightness-adjustable eye protection ceiling lamp for teaching - Google Patents
Brightness-adjustable eye protection ceiling lamp for teaching Download PDFInfo
- Publication number
- CN209991344U CN209991344U CN201920982567.1U CN201920982567U CN209991344U CN 209991344 U CN209991344 U CN 209991344U CN 201920982567 U CN201920982567 U CN 201920982567U CN 209991344 U CN209991344 U CN 209991344U
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- wall
- side wall
- lamp
- teaching
- bolt
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- Expired - Fee Related
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- 238000005286 illumination Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The utility model discloses a brightness-adjustable eye-protecting ceiling lamp for teaching, which comprises a wall body, a light-adjusting controller fixedly arranged on the front side wall of the wall body, a base fixedly arranged on the upper surface of the wall body, a connecting rod fixedly arranged on the lower surface of the base, a fixed block fixedly arranged on the lower surface of the connecting rod, a first threaded hole arranged on the lower surface of the fixed block, a bolt in the inner wall of the first threaded hole, a bolt nut in the side wall of the bolt, a rotating groove arranged on the lower surface of the fixed block, a sphere jointed with the inner wall of the rotating groove, a fixed ring jointed on the lower end of the side wall of the sphere, a second threaded hole arranged on the lower surface of the fixed ring, a bolt in the inner wall of the second threaded hole, a rotating rod fixedly, the light of each lamp tube can be adjusted according to the requirements of students.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a luminance adjustable eyeshield ceiling lamp is used in teaching.
Background
The light that earlier school adopted is mostly one-way fixed, a small number is adjustable but transfers to the difficulty once more after the installation, unable in use changes the illumination angle, and the luminance of light can not make the student conveniently adjust, the bright demand of teacher every department needs is different, dark department light is not enough, bright department light dazzles, there is vertical and horizontal that can not in use make things convenient for the student to adjust illumination angle, reduce the student and to the shadow area of desk, influence the student and read experience, can not make every fluorescent tube adjust bright problem according to student's demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a luminance adjustable eyeshield ceiling lamp is used in teaching to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an eye-protecting ceiling lamp with adjustable brightness for teaching comprises a wall body, wherein a light-adjusting controller is fixedly arranged on the front side wall of the wall body, a base is fixedly arranged on the upper surface of the wall body, a connecting rod is fixedly arranged on the lower surface of the base, a fixed block is fixedly arranged on the lower surface of the connecting rod, the lower surface of the fixed block is provided with a first threaded hole, the inner wall of the first threaded hole is in bolt connection with a bolt, the side wall of the bolt is in bolt connection with a nut, the lower surface of the nut is attached to the upper surface of the fixed block, the lower surface of the fixed block is provided with a rotating groove, the inner wall of the rotating groove is attached to the ball body, the lower end of the side wall of the sphere is attached to a fixing ring, the lower surface of the fixing ring is provided with a second threaded hole, the inner wall of the second threaded hole is in threaded connection with a bolt, spheroid bottom fixed connection dwang, dwang lateral wall fixed connection L type pole, surface fixed mounting lamp stand under the dwang, surface fixed mounting fluorescent tube under the lamp stand.
Preferably, the front side wall of the wall body is fixedly provided with a semi-annular fixing piece, and the inner wall of the semi-annular fixing piece is sleeved with a clamping pipe.
Preferably, the lower surface of the fixing ring is fixedly provided with a limiting column, and the side wall of the rotating rod is fixedly provided with a limiting plate.
Preferably, the left side wall and the right side wall of the lamp holder are fixedly provided with the reflecting plates.
Compared with the prior art, the beneficial effects of the utility model are that: an eye-protecting ceiling lamp with adjustable brightness for teaching comprises a fixed block, a fixed ring, a ball body, a rotating rod and an L-shaped rod structure, wherein the lower end of the L-shaped rod is sleeved by a clamping tube, the rotating rod pair ball body can rotate between the fixed block and the fixed ring, so that the lamp holders can change the longitudinal and transverse lighting angles, each lamp holder can change, adjust the luminance of fluorescent tube through the dimming control ware, and dimming control ware lateral wall fixed mounting in advance before the fluorescent tube lower extreme that does not have individual control, make things convenient for student independent control luminance, add and establish spacing post and limiting plate, prevent that the lamp stand from excessively rotating and destroying connecting wire, add the illumination luminance of establishing the reflector panel and can indirectly increase the fluorescent tube, practice thrift the power, realized making things convenient for vertical and horizontal of student regulation illumination angle to in use, reduce the student to the shadow area of desk, strengthen student and read experience, make every fluorescent tube adjust bright purpose according to student's demand.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the base and the connection structure thereof;
FIG. 3 is a schematic view of the fixing block and the connection structure thereof;
fig. 4 is a schematic view of the fixing ring and the connecting structure thereof.
In the figure: the LED lamp comprises a wall body 1, a dimming controller 2, a base 3, a connecting rod 4, a fixing block 5, a first threaded hole 501, a rotating groove 502, a bolt 6, a nut 7, a sphere 8, a fixing ring 9, a second threaded hole 901, a rotating rod 10, an L-shaped rod 11, a lamp holder 12, a lamp tube 13, a semi-annular fixing part 14, a clamping tube 15, a limiting column 16, a limiting plate 17 and a reflector 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an eye-protecting ceiling lamp with adjustable brightness for teaching comprises a wall body 1, a light-adjusting controller 2 fixedly installed on the front side wall of the wall body 1, a base 3 fixedly installed on the upper surface of the wall body 1, a connecting rod 4 fixedly installed on the lower surface of the base 3, a fixing block 5 fixedly installed on the lower surface of the connecting rod 4, a first threaded hole 501 formed in the lower surface of the fixing block 5, a bolt 6 screwed on the inner wall of the first threaded hole 501, a nut 7 screwed on the side wall of the bolt 6, a nut 7 jointed with the upper surface of the fixing block 5, a rotating groove 502 formed in the lower surface of the fixing block 5, a sphere 8 jointed with the inner wall of the rotating groove 502, a fixing ring 9 jointed with the lower end of the side wall of the sphere 8, a second threaded hole 901 formed in the lower surface of the fixing ring 9, a bolt 6 screwed on the inner wall, the model of the light adjusting controller 2 is DR-M-2, the light adjusting controller 2 and the lamp tubes 13 are externally connected with an external power supply, the light adjusting controller 2 and the lamp tubes 13 are mutually and electrically connected to achieve the purpose of controlling the brightness of the lamp tubes 13, each lamp tube 13 is provided with one light adjusting controller 2, four light adjusting controllers are fixedly arranged on the upper surface of the base 3, two adjacent distances are larger than the length light adjusting controller 2 of one lamp holder 12, the upper end of the inner edge of the fixing ring 9 is provided with an arc transition and is attached to the sphere 8, the contact surfaces of the sphere 8, the fixing block 5 and the fixing ring 9 are rough, the mass of the sphere 8 is larger than the weight of the lamp holder 12, the lamp tubes 13, the rotating rod 10 and the L-shaped rod 11, the friction force of the sphere 8, the fixing block 12 and the fixing ring 13 is larger than the total weight of the lamp holder 12, the lamp tubes 13, the, The spheroid 8 rotates by oneself under the effect of dwang 10 and L type pole 11, with the frictional force control of spheroid 8 and fixed block 5 and solid fixed ring 9, is greater than the moment of weight to spheroid 8 of lamp stand 12, fluorescent tube 13, dwang 10 and L type pole 11, is less than the moment of staff through card pipe 15 to spheroid 8, can satisfy the requirement, gu fixed ring 9's interior along the diameter that the lower extreme is greater than dwang 10.
Specifically, the front side wall of the wall body 1 is fixedly provided with a semi-annular fixing part 14, the inner wall of the semi-annular fixing part 14 is sleeved with a clamping pipe 15, the inner diameter of the clamping pipe is slightly larger than the diameter of the section of the lower end of the L-shaped pipe, the clamping pipe can be conveniently butted with the lower end of the L-shaped pipe, and the force arm of a hand on the rotating rod 10 is increased.
Particularly, the fixed surface fixed mounting of solid fixed ring 9 is spacing post 16, and dwang 10 lateral wall fixed mounting limiting plate 17 adds and establishes two spacing posts 16 and to solid fixed ring 17's axis symmetry at solid fixed ring 17's lower surface, adds and establishes limiting plate 17 and spacing post 16 cooperation and use, prevents that lamp stand 12 from excessively rotating and destroying connecting wire, and spacing post 16 and limiting plate 17 adopt light to handle, prevent to produce the influence to spheroidal fixed.
Specifically, the left and right side walls of the lamp holder 12 are fixedly provided with the reflector 18, and the lower surface of the reflector 18 is coated with a reflective coating, so that light emitted by the lamp tube 13 can be emitted to the upper surface and reflected downwards, and the brightness of the lamp tube 13 is indirectly enhanced.
The working principle is as follows: when the utility model discloses when using, with the device equipment back that finishes, the intercommunication power, when the student need adjust the light, find the dimming control ware 2 that corresponds oneself regional fluorescent tube 13, can directly adjust single fluorescent tube 13's luminance through dimming control ware 2, need adjust the illumination angle from the nearest fluorescent tube 13 of oneself when the student, in order to reduce oneself to the shadow area of desk, when increaseing reading experience, break away from the cup joint of card pipe 15 half annular mounting 14, take off card pipe 15 and aim at the lower extreme of L type pole 11 with the upper end and cup joint, according to spheroidal characteristic, can vertically or transversely rotate the spheroid, reach the angle modulation to lamp stand 12, finally make the vertical angle and the horizontal angle of fluorescent tube 13's illumination light reach the change, but the desk of science can receive the illumination light of a plurality of directions, reduce the shadow area, improve student's reading experience.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a luminance adjustable eyeshield ceiling lamp for teaching, includes wall body (1), its characterized in that: the dimming controller (2) is fixedly installed on the front side wall of the wall body (1), the base (3) is fixedly installed on the upper surface of the wall body (1), the connecting rod (4) is fixedly installed on the lower surface of the base (3), the fixing block (5) is fixedly installed on the lower surface of the connecting rod (4), the first threaded hole (501) is formed in the lower surface of the fixing block (5), the inner wall bolt (6) of the first threaded hole (501) is in threaded connection with the inner wall bolt (6), the side wall bolt nut (7) of the bolt (6) is in threaded connection with the upper surface of the fixing block (5), the lower surface of the nut (7) is attached to the upper surface of the fixing block (5), the rotating groove (502) is formed in the lower surface of the fixing block (5), the inner wall of the rotating groove (502) is attached to the sphere (8), the lower, spheroid (8) bottom fixed connection dwang (10), dwang (10) lateral wall fixed connection L type pole (11), fixed surface installs lamp stand (12) under dwang (10), fixed surface installs fluorescent tube (13) under lamp stand (12).
2. The eye-protecting pendant lamp with adjustable brightness for teaching of claim 1, wherein: the wall body (1) front side wall fixed mounting semiannular mounting (14), semiannular mounting (14) inner wall cup joints the card pipe (15).
3. The eye-protecting pendant lamp with adjustable brightness for teaching of claim 1, wherein: the lower surface of the fixing ring (9) is fixedly provided with a limiting column (16), and the side wall of the rotating rod (10) is fixedly provided with a limiting plate (17).
4. The eye-protecting pendant lamp with adjustable brightness for teaching of claim 1, wherein: and the left side wall and the right side wall of the lamp holder (12) are fixedly provided with a reflector (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982567.1U CN209991344U (en) | 2019-06-27 | 2019-06-27 | Brightness-adjustable eye protection ceiling lamp for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982567.1U CN209991344U (en) | 2019-06-27 | 2019-06-27 | Brightness-adjustable eye protection ceiling lamp for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209991344U true CN209991344U (en) | 2020-01-24 |
Family
ID=69297014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920982567.1U Expired - Fee Related CN209991344U (en) | 2019-06-27 | 2019-06-27 | Brightness-adjustable eye protection ceiling lamp for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209991344U (en) |
-
2019
- 2019-06-27 CN CN201920982567.1U patent/CN209991344U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |