CN113090991A - Self-adaptive light adjusting device for blackboard lamp - Google Patents
Self-adaptive light adjusting device for blackboard lamp Download PDFInfo
- Publication number
- CN113090991A CN113090991A CN202110408927.9A CN202110408927A CN113090991A CN 113090991 A CN113090991 A CN 113090991A CN 202110408927 A CN202110408927 A CN 202110408927A CN 113090991 A CN113090991 A CN 113090991A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- rod
- adjusting device
- wall
- air bag
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
- F21S8/063—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a rigid pendant, i.e. a pipe or rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a self-adaptive light adjusting device for a blackboard lamp, which comprises an installation box and an installation seat, wherein the installation seat can be adjusted up and down, and a clamping part for clamping a blackboard is arranged on the installation box. The blackboard has a simple structure, when the blackboard slides, the blackboard drives the slide rod to move, the rack on the slide rod is meshed with the sector gear to drive the connecting rod to rotate, the connecting rod drives the piston to slide through the piston rod, gas in the compression cylinder drives the first air bag and the second air bag to expand, the first air bag expands to drive the first L-shaped suspension rod to slide, so that the first L-shaped suspension rod moves along with the blackboard to adjust the distance between the lamp body and the blackboard, meanwhile, the internal volume of the first air bag is larger than that of the second air bag, the deformation amount of the second air bag is larger than that of the first air bag, and the moving distance of the second L-shaped suspension rod is larger than that of the first L-shaped suspension rod, so that the optimal brightness of the blackboard is ensured by adjusting the distance and.
Description
Technical Field
The invention relates to the technical field of blackboard lamps, in particular to a self-adaptive light ray adjusting device for a blackboard lamp.
Background
The LED lamp is an electroluminescent semiconductor material chip, silver glue or white glue is solidified on the bracket, then the chip and the circuit board are connected by silver wires or gold wires, the periphery of the chip is sealed by epoxy resin to play a role of protecting an internal core wire, and finally the shell is installed, so the anti-seismic performance of the LED lamp is good; the existing blackboard lamp basically adopts an LED lamp, and in the process of switching a multi-face blackboard, the distance between the blackboard lamp and the blackboard is changed, so that the light between the blackboard lamp and the blackboard is changed, and the best effect cannot be achieved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a self-adaptive light adjusting device for a blackboard lamp.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-adaptive light adjusting device for a blackboard lamp comprises a mounting box and a mounting seat, wherein the mounting seat can be adjusted up and down, a clamping part for clamping a blackboard is mounted on the mounting box, a slide rod is connected to the side wall of the mounting box in a sliding manner and is connected to the inner wall of the mounting box through a second spring, a sector gear is rotatably connected to the inner wall of the mounting box and is meshed with a rack on the slide rod, a connecting rod is connected to the sector gear, a piston rod is hinged to the other end of the connecting rod, the piston rod is connected with a cylinder mounted on the inner wall of the mounting box in a sliding manner, a piston is connected;
the mounting groove has been seted up on the mount pad, and the mounting groove inner wall that is located the mount pad both ends is connected with first L type jib through first gasbag, and the other end of first L type jib articulates there is the lamp body, and the mounting groove inner wall that is located the mount pad middle part is connected with second L type jib through the second gasbag, and the other end and the lamp body of second L type jib articulate, and first gasbag and second gasbag all are connected with the cylinder through the trachea.
Preferably, the clamping part comprises a lower clamping plate and a mounting lug which are mounted on the mounting box, a bolt is connected to the mounting lug in a threaded manner, and an upper clamping plate is rotatably connected to the end of the bolt.
Preferably, the inner wall of the mounting groove is provided with a groove, and the inner wall of the groove is connected with the first L-shaped suspender and the second L-shaped suspender through a first spring.
Preferably, both ends of the mounting seat are provided with dovetail grooves, dovetail guide rails are connected in the dovetail grooves in a sliding mode, and fastening screws are connected to the dovetail guide rails in a threaded mode.
Preferably, the opposite sides of the upper clamping plate and the lower clamping plate are connected with elastic pads.
Preferably, the hinge point of the first L-shaped suspension rod and the hinge point of the second L-shaped suspension rod and the lamp body are not collinear.
Preferably, one end of the sliding rod, which is far away from the second spring, is rotatably connected with a roller.
Preferably, the internal volume of the first balloon is greater than the internal volume of the second balloon.
Compared with the prior art, the invention has the beneficial effects that: the blackboard has a simple structure, when the blackboard slides, the blackboard drives the slide rod to move, the rack on the slide rod is meshed with the sector gear to drive the connecting rod to rotate, the connecting rod drives the piston to slide through the piston rod, gas in the compression cylinder drives the first air bag and the second air bag to expand, the first air bag expands to drive the first L-shaped suspension rod to slide, so that the first L-shaped suspension rod moves along with the blackboard to adjust the distance between the lamp body and the blackboard, meanwhile, the internal volume of the first air bag is larger than that of the second air bag, the deformation amount of the second air bag is larger than that of the first air bag, and the moving distance of the second L-shaped suspension rod is larger than that of the first L-shaped suspension rod, so that the optimal brightness of the blackboard is ensured by adjusting the distance and.
Drawings
In order to more particularly and intuitively illustrate an embodiment of the present invention or a prior art solution, a brief description of the drawings needed for use in the description of the embodiment or the prior art will be provided below.
FIG. 1 is a schematic structural diagram according to the present invention;
FIG. 2 is a schematic view of the internal structure of the mounting base;
fig. 3 is a schematic view of the internal structure of the mounting box.
In the figure: the mounting box comprises a mounting box 1, a lower clamping plate 2, a mounting lug 3, an upper clamping plate 4, a bolt 5, a dovetail guide rail 6, a mounting seat 7, a fastening screw 8, a lamp body 9, a first L-shaped suspension rod 10, a second L-shaped suspension rod 11, a first air bag 12, a second air bag 13, a first spring 14, an air cylinder 15, a piston 16, a piston rod 17, a connecting rod 18, a sector gear 19, a sliding rod 20, a second spring 21, a roller 22 and an air pipe 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a self-adaptive light adjusting device for a blackboard lamp comprises a mounting box 1 and a mounting seat 7, wherein the mounting seat 7 can be adjusted up and down, a clamping part for clamping a blackboard is mounted on the mounting box 1, a slide rod 20 is connected to the side wall of the mounting box 1 in a sliding manner and is connected to the inner wall of the mounting box 1 through a second spring 21, a sector gear 19 is rotatably connected to the inner wall of the mounting box 1, the sector gear 19 is meshed with a rack on the slide rod 20, the sector gear 19 is connected with a connecting rod 18, the other end of the connecting rod 18 is hinged with a piston rod 17, the piston rod 17 is connected with a cylinder 15 mounted on the inner wall of the mounting box 1 in a sliding manner;
the mounting groove has been seted up on mount pad 7, the mounting groove inner wall that is located mount pad 7 both ends is connected with first L type jib 10 through first gasbag 12, the other end of first L type jib 10 articulates there is lamp body 9, the mounting groove inner wall that is located mount pad 7 middle part is connected with second L type jib 11 through second gasbag 13, the other end and the lamp body 9 of second L type jib 11 articulate, first gasbag 12 and second gasbag 13 all are connected with cylinder 15 through trachea 23.
For the convenience of installing with current blackboard, under the condition of not destroying the blackboard structure, the clamping part has been set up, the clamping part is including installing lower plate 2 and installation ear 3 on mounting box 1, threaded connection has bolt 5 on the installation ear 3, the tip of bolt 5 rotates and is connected with punch holder 4, it is close to punch holder 2 down to drive punch holder 4 through rotating bolt 5, the blackboard is gripped, thereby carry out fixed mounting box 1, because of the clamping-force is too big for preventing punch holder 4 and lower plate 2, harm the blackboard, one side that punch holder 4 and lower plate 2 are relative all is connected with the cushion, utilize the cushion to protect the blackboard.
The inner wall of mounting groove is seted up flutedly, and the inner wall of recess passes through first spring 14 to be connected with first L type jib 10 and second L type jib 11 for realize that first L type jib 10 and second L type jib 11 reset.
The both ends of mount pad 7 all are equipped with the dovetail, and sliding connection has forked tail guide rail 6 in the dovetail, and threaded connection has fastening screw 8 on the forked tail guide rail 6 for realize the regulation of position about the lamp body 9, first L type jib 10 and the pin joint of lamp body 9 and the pin joint of second L type jib 11 and lamp body 9 are not collinear, realize adjusting lamp body 9 angle.
One end of the sliding rod 20 far away from the second spring 21 is rotatably connected with a roller 22 to reduce friction between the sliding rod 20 and the blackboard, the internal volume of the first air bag 12 is larger than that of the second air bag 13, and the sensitivity of the second air bag 13 to gas is improved under the condition of the same air displacement, so that the angle of the lamp body 9 is adjusted.
In the scheme, an upper clamping plate 4 and a lower clamping plate 2 are utilized to clamp and fix a mounting box 1 on a blackboard, a lamp body 9 is fixed on a dovetail guide rail 6 through a mounting seat 7, when the blackboard slides, a sliding rod 20 is driven by the blackboard to move, a rack on the sliding rod 20 is meshed with a sector gear 19 to drive a connecting rod 18 to rotate, the connecting rod 18 drives a piston 16 to slide through a piston rod 17, gas in a compression cylinder 15 is compressed to drive a first air bag 12 and a second air bag 13 to expand, the first air bag 12 expands to drive a first L-shaped suspender 10 to slide, so that the first L-shaped suspender 10 moves along with the blackboard, the distance between the lamp body 9 and the blackboard is adjusted, meanwhile, as the internal volume of the first air bag 12 is larger than that of the second air bag 13, the deformation of the second air bag 13 is larger than that of the first air bag 12, and the moving distance of the second L-shaped suspender, therefore, the optimal brightness of the blackboard is ensured by adjusting the distance and the angle.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A self-adaptive light adjusting device of a blackboard lamp, which comprises a mounting box (1) and a mounting seat (7), the blackboard eraser is characterized in that the mounting seat (7) can be adjusted up and down, a clamping part for clamping a blackboard is mounted on the mounting box (1), a sliding rod (20) is connected to the side wall of the mounting box (1) in a sliding manner and is connected to the inner wall of the mounting box (1) through a second spring (21), a sector gear (19) is rotatably connected to the inner wall of the mounting box (1), the sector gear (19) is meshed with a rack on the sliding rod (20), the sector gear (19) is connected with a connecting rod (18), the other end of the connecting rod (18) is hinged with a piston rod (17), the piston rod (17) is connected with a cylinder (15) mounted on the inner wall of the mounting box (1) in a sliding manner, a piston (16) is connected to the inner wall of the cylinder (15) in;
the mounting groove has been seted up on mount pad (7), the mounting groove inner wall that is located mount pad (7) both ends is connected with first L type jib (10) through first gasbag (12), the other end of first L type jib (10) articulates there is lamp body (9), the mounting groove inner wall that is located mount pad (7) middle part is connected with second L type jib (11) through second gasbag (13), the other end and lamp body (9) of second L type jib (11) are articulated, first gasbag (12) and second gasbag (13) all are connected with cylinder (15) through trachea (23).
2. The self-adaptive light adjusting device for the blackboard lamp according to claim 1, characterized in that the clamping part comprises a lower clamping plate (2) and a mounting lug (3) which are mounted on the mounting box (1), a bolt (5) is connected to the mounting lug (3) in a threaded manner, and an upper clamping plate (4) is rotatably connected to the end of the bolt (5).
3. The self-adaptive light adjusting device for the blackboard lamp according to claim 2, characterized in that the inner wall of the mounting groove is provided with a groove, and the inner wall of the groove is connected with the first L-shaped suspension rod (10) and the second L-shaped suspension rod (11) through a first spring (14).
4. The self-adaptive light adjusting device for the blackboard lamp according to claim 3, characterized in that dovetail grooves are formed at two ends of the mounting base (7), dovetail guide rails (6) are connected in the dovetail grooves in a sliding mode, and fastening screws (8) are connected to the dovetail guide rails (6) in a threaded mode.
5. The adaptive light adjusting device for blackboard lamps according to claim 4, characterized in that the opposite sides of the upper clamp plate (4) and the lower clamp plate (2) are connected with elastic pads.
6. The adaptive light adjusting device for blackboard lamps according to claim 5, wherein the hinge point of the first L-shaped hanger rod (10) and the lamp body (9) and the hinge point of the second L-shaped hanger rod (11) and the lamp body (9) are not collinear.
7. The self-adaptive light adjusting device for the blackboard lamp according to claim 6, characterized in that one end of the slide rod (20) far away from the second spring (21) is rotatably connected with a roller (22).
8. The adaptive light adjusting device for blackboard lamps according to claim 8, characterized in that the internal volume of the first air bag (12) is larger than the internal volume of the second air bag (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408927.9A CN113090991A (en) | 2021-04-16 | 2021-04-16 | Self-adaptive light adjusting device for blackboard lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408927.9A CN113090991A (en) | 2021-04-16 | 2021-04-16 | Self-adaptive light adjusting device for blackboard lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113090991A true CN113090991A (en) | 2021-07-09 |
Family
ID=76677932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110408927.9A Pending CN113090991A (en) | 2021-04-16 | 2021-04-16 | Self-adaptive light adjusting device for blackboard lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113090991A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002289028A (en) * | 2001-03-28 | 2002-10-04 | Mitsubishi Electric Corp | Lighting device |
| US20110063824A1 (en) * | 2009-09-16 | 2011-03-17 | Ningbo Futai Electric CO., LTD. | Flash light with adjustable light arrangement |
| CN206733894U (en) * | 2017-01-12 | 2017-12-12 | 温州职业技术学院 | Teaching multimedia blackboard |
| CN210165259U (en) * | 2019-08-15 | 2020-03-20 | 广东宸鸿照明有限公司 | Eye-protection polarizing blackboard lamp |
| CN210717227U (en) * | 2019-10-09 | 2020-06-09 | 中山市宏浦光电科技有限公司 | Blackboard lamp |
-
2021
- 2021-04-16 CN CN202110408927.9A patent/CN113090991A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002289028A (en) * | 2001-03-28 | 2002-10-04 | Mitsubishi Electric Corp | Lighting device |
| US20110063824A1 (en) * | 2009-09-16 | 2011-03-17 | Ningbo Futai Electric CO., LTD. | Flash light with adjustable light arrangement |
| CN206733894U (en) * | 2017-01-12 | 2017-12-12 | 温州职业技术学院 | Teaching multimedia blackboard |
| CN210165259U (en) * | 2019-08-15 | 2020-03-20 | 广东宸鸿照明有限公司 | Eye-protection polarizing blackboard lamp |
| CN210717227U (en) * | 2019-10-09 | 2020-06-09 | 中山市宏浦光电科技有限公司 | Blackboard lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212726393U (en) | Dampproofing wiring cabinet | |
| CN208154209U (en) | A kind of adjustable lamps and lanterns of range of exposures | |
| CN113090991A (en) | Self-adaptive light adjusting device for blackboard lamp | |
| CN212321053U (en) | Fixing device for detecting LED lamp shade | |
| CN218154079U (en) | UV-LED rotary multifunctional fixing support | |
| CN110401406A (en) | A kind of wind-proof solar cell module | |
| CN210099828U (en) | Adjustable part clamping equipment for LED lighting lamp | |
| CN207831088U (en) | A kind of mine hole LED illumination lamp | |
| CN209381768U (en) | A kind of car motor suspension mounting bracket | |
| CN215372224U (en) | Rotatable LED ceiling lamp | |
| CN209638954U (en) | A kind of LED light of adjustable-angle | |
| CN220523996U (en) | Luminous LED media facade linear lamp | |
| CN210161001U (en) | Panel production fixing equipment for LED lighting lamp | |
| CN220169363U (en) | LED lamp convenient to lamp pearl is adjusted | |
| CN208418469U (en) | A kind of LED light for dressing table angle adjustable | |
| CN208124008U (en) | A kind of LED light convenient for fixed lamp plate | |
| CN211260524U (en) | LED lamp that anti-seismic performance is strong | |
| CN213576886U (en) | Rotatable lamp holder structure | |
| CN220592916U (en) | LED bulb clamping device | |
| CN210950903U (en) | Color-changing multifunctional LED lamp | |
| CN219655992U (en) | Line lamp assembly with installation base | |
| CN220287198U (en) | Windowsill lamp capable of being horizontally adjusted | |
| CN212961168U (en) | Ultrathin LED working lamp shell has | |
| CN212195272U (en) | Height adjusting device of automobile lamp | |
| CN216281242U (en) | LED lamp with adjustable angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230000 building 17, Luyang big data Industrial Park, 868 Qinghe Road, Luyang District, Hefei City, Anhui Province Applicant after: Anhui Zhongfei Xirang Data Technology Co.,Ltd. Address before: 230000 building 17, Luyang big data Industrial Park, 868 Qinghe Road, Luyang District, Hefei City, Anhui Province Applicant before: Anhui mingjiahui Wisdom Education Technology Co.,Ltd. |
|
| CB02 | Change of applicant information |