CN111520651A - Corridor has emergent ceiling lamp of automatic smoke abatement function - Google Patents
Corridor has emergent ceiling lamp of automatic smoke abatement function Download PDFInfo
- Publication number
- CN111520651A CN111520651A CN202010319595.2A CN202010319595A CN111520651A CN 111520651 A CN111520651 A CN 111520651A CN 202010319595 A CN202010319595 A CN 202010319595A CN 111520651 A CN111520651 A CN 111520651A
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- Prior art keywords
- lamp
- smoke
- fixedly connected
- groove
- small
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Classifications
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- 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
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- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
-
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0088—Ventilating systems
- F21V33/0096—Fans, e.g. ceiling fans
Abstract
The invention discloses an emergency ceiling lamp with an automatic smoke removal function for a corridor, which comprises a lamp body, a lamp shade, an installation seat and a small-sized smoke extractor, wherein the top of the small-sized smoke extractor is fixedly connected with the bottom of the installation seat, the lamp shade is movably connected with the installation seat, the bottom of the installation seat is provided with a circular groove matched with the lamp shade, two sides of the installation seat are respectively provided with a cylindrical groove, the two cylindrical grooves are respectively communicated with the circular groove, the inner walls of the two cylindrical grooves are respectively and fixedly connected with a fixed block, and the inner wall of the fixed block is in sliding connection with a clamping rod. This corridor has emergent ceiling lamp of automatic smoke abatement function, is convenient for fix a position the lamp shade through the cooperation of spacing groove, circular slot and spacing groove, is convenient for dismantle the clearance to the lamp shade through the cooperation of fixed block, kelly, sliding block, cylinder groove, chucking spring and draw-in groove.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to an emergency ceiling lamp with an automatic smoke removal function for a corridor.
Background
The ceiling lamp is one of lamps, and the ceiling lamp is called as the ceiling lamp as the name suggests because the lamp top is relatively flat, and the bottom pastes on the roof completely during installation. The light source comprises a common white bulb, a fluorescent lamp, a high-intensity gas discharge lamp, a halogen tungsten lamp, an LED and the like, the most popular in the market at present is an LED ceiling lamp which is a lamp frequently selected in various places such as families, offices, entertainment places and the like, the ceiling lamp originates from 1995-1996, the shape of the ceiling lamp is similar to the sun, so that the ceiling lamp is called a 'sun lamp', the ceiling lamp before 2000 is single in style and material, most of the ceiling lamp adopts middle and low grade materials, the light source generally adopts an energy-saving lamp tube and a bulb, and the inductance ceiling lamp is taken as a main material.
Present ceiling lamp does not generally have the smoke abatement function, if take place smog gathering phenomenon then can influence the circulation of air in the corridor, the lamp shade can have a large amount of dusts after using for a long time, need dismantle the clearance comparatively troublesome when the clearance to the lamp shade, if the lamp body takes place to damage, need consume the plenty of time when dismantling the maintenance, influence maintenance personal's work efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an emergency ceiling lamp with an automatic smoke removal function for a corridor, which solves the problems that the emergency ceiling lamp does not have the smoke removal function, the lamp shade is troublesome to disassemble and clean, and the lamp body is troublesome to disassemble and maintain.
In order to achieve the purpose, the invention is realized by the following technical scheme: an emergency ceiling lamp with an automatic smoke removal function for a corridor comprises a lamp body, a lampshade, a mounting seat and a small-sized smoke extractor, wherein the top of the small-sized smoke extractor is fixedly connected with the bottom of the mounting seat, the lampshade is movably connected with the mounting seat, the bottom of the mounting seat is provided with a circular groove matched with the lampshade, two sides of the mounting seat are respectively provided with a cylindrical groove, the two cylindrical grooves are respectively communicated with the circular groove, the inner walls of the two cylindrical grooves are respectively and fixedly connected with a fixed block, the inner wall of the fixed block is in sliding connection with a clamping rod, one end of the clamping rod penetrates through the mounting seat and extends to the outside of the mounting seat, the surface of the clamping rod is fixedly connected with a sliding block, the surface of the sliding block is in sliding connection with the inner wall of the cylindrical groove, one side of the sliding block is fixedly connected with a clamping spring, and one side of, the lamp shade is characterized in that the surface of the lamp shade is provided with a clamping groove matched with the clamping rod, two sides of the surface of the lamp shade are fixedly connected with limiting blocks, two sides of the bottom of the mounting seat are provided with limiting grooves matched with the two limiting blocks, and the limiting grooves are communicated with the circular grooves.
Preferably, the top of the lamp body is fixedly connected with a threaded lamp holder, and the two sides of the inner wall of the lampshade are fixedly connected with magnetic blocks.
Preferably, the surface threaded connection of screw lamp stand has the fly leaf, the equal fixedly connected with iron plate in both sides of fly leaf bottom, two the constant head tank with two iron plate looks adaptations is all seted up at the top of magnetic path.
Preferably, two the equal fixedly connected with pull ring of one end that the kelly kept away from each other, the equal threaded connection in four corners of mount pad has the inflation screw.
Preferably, the smoke inlets on two sides of the small-sized smoke extractor are communicated with L-shaped pipes, and one ends, far away from the small-sized smoke extractor, of the L-shaped pipes penetrate through the movable plate and extend to the lower portion of the movable plate.
Preferably, the smoke outlet of the small-sized smoke extractor is communicated with a smoke exhaust pipe, one end, far away from the small-sized smoke extractor, of the smoke exhaust pipe penetrates through the mounting seat and extends to the upper portion of the mounting seat, and the surface of the lampshade is provided with a smoke inlet hole.
Advantageous effects
The invention provides an emergency ceiling lamp with an automatic smoke removal function for a corridor. Compared with the prior art, the method has the following beneficial effects:
(1) this corridor has the emergent ceiling lamp of automatic smoke abatement function, through the bottom fixed connection at the top of small-size smoke extractor and mount pad, lamp shade and mount pad swing joint, its characterized in that: the bottom of the mounting seat is provided with a circular groove matched with the lampshade, the two sides of the mounting seat are provided with cylindrical grooves, the two cylindrical grooves are communicated with the circular groove, the inner walls of the two cylindrical grooves are fixedly connected with fixed blocks, the inner walls of the fixed blocks are connected with clamping rods in a sliding manner, one ends of the clamping rods penetrate through the mounting seat and extend to the outside of the mounting seat, the surfaces of the clamping rods are fixedly connected with sliding blocks, the surfaces of the sliding blocks are connected with the inner walls of the cylindrical grooves in a sliding manner, one sides of the sliding blocks are fixedly connected with clamping springs, one sides of the clamping springs, far away from the fixed blocks, are fixedly connected with one sides of the fixed blocks, the surface of the lampshade is provided with a clamping groove matched with the clamping rods, the two sides of the surface of the lampshade are fixedly connected with limit blocks, the two sides of the bottom of the mounting seat are provided with limit grooves, the lampshade is convenient to detach and clean through the matching of the fixed block, the clamping rod, the sliding block, the cylindrical groove, the clamping spring and the clamping groove.
(2) This corridor has automatic emergent ceiling lamp who removes cigarette function, through the top fixedly connected with screw thread lamp stand at the lamp body, the equal fixedly connected with magnetic path in both sides of lamp shade inner wall, the surperficial threaded connection of screw thread lamp stand has the fly leaf, the equal fixedly connected with iron plate in both sides of fly leaf bottom, the constant head tank with two iron plate looks adaptations is all seted up at the top of two magnetic paths, through the setting of magnetic path, iron plate, constant head tank, fly leaf and screw thread lamp stand, be convenient for dismantle the maintenance to the lamp body.
(3) This corridor has automatic smoke abatement function's emergent ceiling lamp, all communicate through the smoke inlet in the both sides of small-size smoke extractor has the L type pipe, the one end that small-size smoke extractor was kept away from to the L type pipe runs through the fly leaf and extends to the below of fly leaf, the smoke outlet intercommunication of small-size smoke extractor has the pipe of discharging fume, the one end that small-size smoke extractor was kept away from to the pipe of discharging fume runs through the mount pad and extends to the top of mount pad, the smoke inlet hole has been seted up on the surface of lamp shade, through small-size smoke extractor, the L type pipe, the cooperation in pipe of discharging fume and smoke inlet hole, be convenient for absorb the emission to smog, make the device have.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is a perspective view of the lampshade structure of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 4 is a bottom view of the mount structure of the present invention;
FIG. 5 is a top view of the mount structure of the present invention;
FIG. 6 is an enlarged view of a portion of the present invention at B of FIG. 1;
FIG. 7 is a perspective view of the magnetic block structure of the present invention.
In the figure: 1-lamp body, 2-lamp shade, 3-mounting seat, 4-small-sized smoke extractor, 5-circular groove, 6-cylindrical groove, 7-fixed block, 8-clamping rod, 9-sliding block, 10-clamping spring, 11-clamping groove, 12-limiting block, 13-limiting groove, 14-threaded lamp holder, 15-magnetic block, 16-movable plate, 17-iron block, 18-positioning groove, 19-pull ring, 20-expansion screw, 21-L-shaped pipe, 22-smoke exhaust pipe and 23-smoke inlet hole.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an emergency ceiling lamp with an automatic smoke removal function for a corridor comprises a lamp body 1, a lampshade 2, a mounting seat 3 and a small-sized smoke extractor 4, wherein the lamp body 1 is electrically connected with an external power supply and is controlled by a control switch, the small-sized smoke extractor 4 is electrically connected with the external power supply and is controlled by the control switch, the top of the small-sized smoke extractor 4 is fixedly connected with the bottom of the mounting seat 3, the lampshade 2 is movably connected with the mounting seat 3, the bottom of the mounting seat 3 is provided with a circular groove 5 matched with the lampshade 2 and is a circular groove, two sides of the mounting seat 3 are respectively provided with a cylindrical groove 6, the two cylindrical grooves are respectively communicated with the circular groove 5, the inner walls of the two cylindrical grooves 6 are respectively and fixedly connected with a fixed block 7, the inner wall of the fixed block 7 is slidably connected with a clamping rod 8, one end of the clamping rod 8 penetrates through the mounting seat 3 and extends to the outside of the, the lamp shade 2 is positioned by matching the limiting groove 13, the limiting groove 13 matched with the two limiting blocks 12 is arranged on both sides of the bottom of the mounting seat 3, the limiting groove 13 is communicated with the circular groove 5, the top of the lamp body 1 is fixedly connected with a threaded lamp holder 14, the two sides of the inner wall of the lamp shade 2 are fixedly connected with magnetic blocks 15, and the surface of the threaded lamp holder 14 is in threaded connection with a movable plate 16, iron blocks 17 are fixedly connected to two sides of the bottom of the movable plate 16, positioning grooves 18 matched with the two iron blocks 17 are formed in the tops of the two magnetic blocks 15, the magnetic blocks 15 can adsorb the iron blocks 17, the movable plate 16 is further positioned through the positioning grooves 18, pull rings 19 are fixedly connected to one ends, far away from each other, of the two clamping rods 8, the clamping rods 8 can be pulled conveniently, the lamp shade 2 can be disassembled, expansion screws 20 are connected to four corners of the mounting seat 3 in a threaded mode, the mounting seat 3 can be mounted on a ceiling, smoke inlets on two sides of the small-sized smoke extractor 4 are communicated with L-shaped pipes 21 to facilitate smoke extraction, one ends, far away from the small-sized smoke extractor 4, of the L-shaped pipes 21 penetrate through the movable plate 16 and extend to the lower portion of the movable plate 16, through holes matched with the L-shaped pipes 21 are formed in the tops of the movable plate 16, the diameter of the through holes is larger than that of the L, be convenient for discharge smog, the one end that the small-size smoke exhauster 4 was kept away from to the pipe 22 of discharging fume runs through mount pad 3 and extends to the top of mount pad 3, and the surface of lamp shade 2 has seted up into cigarette hole 23, is convenient for smog to get into in the lamp shade 2.
When the smoke extractor works, when smoke is gathered in a corridor, the small-sized smoke extractor 4 is started, the smoke enters the lampshade 2 through the smoke inlet 23, further reaches the small-sized smoke extractor 4 through the L-shaped pipe 21, is further discharged through the smoke exhaust pipe 22, when the lampshade 2 needs to be disassembled and cleaned, the two pull rings 19 are pulled towards the two sides of the mounting seat 3, the clamping rod 8 is further driven to be separated from the clamping groove 11, at the moment, the lampshade 2 can be disassembled, if the lamp body 1 needs to be disassembled and maintained, the lampshade 2 is disassembled firstly, then the movable plate 16 is lifted upwards, the iron block 17 is separated from the positioning groove 18 at the top of the magnetic block 15, the movable plate 16 is disassembled, the threaded lamp holder 14 is further rotated, the threaded lamp holder 14 is separated from the movable plate 16, at the moment, the disassembly of the lamp body 1 can be completed, when the lamp body 1 needs to be re-assembled, the movable plate 16 can be assembled by aligning the iron block 17 at the, then aim at spacing groove 13 with stopper 12, upwards promote lamp shade 2, lamp shade 2 slides at 5 inner walls of circular slot, outside pulling ring 19 for card pole 8 breaks away from circular slot 5, when treating that lamp shade 2 pushes away 5 tops of circular slot, loosens pulling ring 19 this moment, under chucking spring 10's elastic force effect, drives sliding block 9 and slides at 6 inner walls of cylinder groove, drives card pole 8 and draw-in groove 11 cooperation chucking, accomplishes the installation to lamp shade 2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a corridor has emergent ceiling lamp of automatic smoke abatement function, includes lamp body (1), lamp shade (2), mount pad (3) and small-size smoke extractor (4), the bottom fixed connection of the top of small-size smoke extractor (4) and mount pad (3), lamp shade (2) and mount pad (3) swing joint, its characterized in that: the bottom of the mounting seat (3) is provided with a circular groove (5) matched with the lampshade (2), two sides of the mounting seat (3) are provided with cylindrical grooves (6), the two cylindrical grooves are communicated with the circular groove (5), the inner walls of the two cylindrical grooves (6) are fixedly connected with fixed blocks (7), the inner wall of each fixed block (7) is connected with a clamping rod (8) in a sliding manner, one end of each clamping rod (8) penetrates through the mounting seat (3) and extends to the outside of the mounting seat (3), the surface of each clamping rod (8) is fixedly connected with a sliding block (9), the surface of each sliding block (9) is connected with the inner wall of the corresponding cylindrical groove (6) in a sliding manner, one side of each clamping spring (9) is fixedly connected with a clamping spring (10), one side of each clamping spring (10), far away from the corresponding fixed block (7) of the sliding block (9), the surface of the lampshade (2) is provided with a clamping groove (11) matched with the clamping rod (8, the equal fixedly connected with stopper (12) in both sides on lamp shade (2) surface, spacing groove (13) with two stopper (12) looks adaptations are all seted up to the both sides of mount pad (3) bottom, spacing groove (13) and circular slot (5) intercommunication.
2. The emergency ceiling lamp with the automatic smoke removing function for the corridor according to claim 1, which is characterized in that: the lamp is characterized in that a threaded lamp holder (14) is fixedly connected to the top of the lamp body (1), and magnetic blocks (15) are fixedly connected to the two sides of the inner wall of the lampshade (2).
3. The emergency ceiling lamp with the automatic smoke removing function for the corridor according to claim 2, characterized in that: the surface threaded connection of screw lamp stand (14) has fly leaf (16), equal fixedly connected with iron plate (17) in both sides of fly leaf (16) bottom, two constant head tank (18) with two iron plate (17) looks adaptation are all seted up at the top of magnetic path (15).
4. The emergency ceiling lamp with the automatic smoke removing function for the corridor according to claim 1, which is characterized in that: two the equal fixedly connected with pull ring (19) of one end that kelly (8) kept away from each other, the equal threaded connection in four corners of mount pad (3) has inflation screw (20).
5. The emergency ceiling lamp with the automatic smoke removing function for the corridor according to claim 1, which is characterized in that: the smoke inlets on two sides of the small-sized smoke extractor (4) are communicated with L-shaped pipes (21), and one ends, far away from the small-sized smoke extractor (4), of the L-shaped pipes (21) penetrate through the movable plate (16) and extend to the lower portion of the movable plate (16).
6. The emergency ceiling lamp with the automatic smoke removing function for the corridor according to claim 1, which is characterized in that: the cigarette outlet intercommunication of small-size smoke extractor (4) has smoke exhaust pipe (22), the one end that small-size smoke extractor (4) were kept away from in smoke exhaust pipe (22) runs through mount pad (3) and extends to the top of mount pad (3), smoke inlet hole (23) have been seted up on the surface of lamp shade (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319595.2A CN111520651A (en) | 2020-04-21 | 2020-04-21 | Corridor has emergent ceiling lamp of automatic smoke abatement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319595.2A CN111520651A (en) | 2020-04-21 | 2020-04-21 | Corridor has emergent ceiling lamp of automatic smoke abatement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111520651A true CN111520651A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010319595.2A Pending CN111520651A (en) | 2020-04-21 | 2020-04-21 | Corridor has emergent ceiling lamp of automatic smoke abatement function |
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| CN (1) | CN111520651A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112407810A (en) * | 2020-11-18 | 2021-02-26 | 江苏科技大学 | A transport mechanism for electromechanical automatic transmission equipment |
| CN113288567A (en) * | 2021-05-25 | 2021-08-24 | 西安市中心医院 | Circulating cold compress device is used in nursing of otolaryngology branch of academic or vocational study |
| CN113803696A (en) * | 2021-09-15 | 2021-12-17 | 深圳科荣达航空科技有限公司 | Lampshade mounting device and method for passenger plane wing navigation lamp |
| CN113803696B (en) * | 2021-09-15 | 2024-05-14 | 深圳科荣达航空科技有限公司 | Lamp shade mounting device and mounting method for passenger plane wing navigation lamp |
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| CN109210503A (en) * | 2018-09-06 | 2019-01-15 | 嘉善阳安电子科技有限公司 | A kind of LED light of fast and easy installation |
| CN208535798U (en) * | 2018-08-23 | 2019-02-22 | 宿迁恒明照明电器有限公司 | It is a kind of to safeguard convenient split type LED ceiling lamp |
| CN208871348U (en) * | 2018-09-27 | 2019-05-17 | 盐城东紫光电科技有限公司 | A kind of encapsulating structure of ultraviolet LED lamp |
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| CN103742432A (en) * | 2014-01-06 | 2014-04-23 | 朱厚林 | Lighting air exchange fan |
| CN206989007U (en) * | 2017-06-13 | 2018-02-09 | 中山宝客照明有限公司 | A kind of Combined ceiling lamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112407810A (en) * | 2020-11-18 | 2021-02-26 | 江苏科技大学 | A transport mechanism for electromechanical automatic transmission equipment |
| CN113288567A (en) * | 2021-05-25 | 2021-08-24 | 西安市中心医院 | Circulating cold compress device is used in nursing of otolaryngology branch of academic or vocational study |
| CN113803696A (en) * | 2021-09-15 | 2021-12-17 | 深圳科荣达航空科技有限公司 | Lampshade mounting device and method for passenger plane wing navigation lamp |
| CN113803696B (en) * | 2021-09-15 | 2024-05-14 | 深圳科荣达航空科技有限公司 | Lamp shade mounting device and mounting method for passenger plane wing navigation lamp |
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Application publication date: 20200811 |
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| RJ01 | Rejection of invention patent application after publication |