CN104696929A - Sealed lamp - Google Patents
Sealed lamp Download PDFInfo
- Publication number
- CN104696929A CN104696929A CN201310659923.3A CN201310659923A CN104696929A CN 104696929 A CN104696929 A CN 104696929A CN 201310659923 A CN201310659923 A CN 201310659923A CN 104696929 A CN104696929 A CN 104696929A
- Authority
- CN
- China
- Prior art keywords
- openend
- terminal pad
- sealing
- rod body
- sealed lamps
- 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
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Classifications
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
- F21V17/162—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 the parts being subjected to traction or compression, e.g. coil springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a sealed lamp. The sealed lamp comprises a rear shell, a transparent piece, a sealing membrane and a spring, wherein a first opening end of the rear shell is connected with a second opening end of the transparent piece, so that a containing space is defined by the transparent piece and the rear shell in a surrounding manner; the sealing membrane is made of an elastic material and is slice-shaped, the sealing membrane comprises bent wrinkle parts and sealing parts positioned at the periphery of the wrinkle parts, the sealing parts are clamped between the first opening end and the second opening end, the connected positions of the first opening end and the second opening end are sealed by the sealing parts, the containing space is divided into an inner cavity close to the transparent piece and an outer cavity close to the rear shell by the sealing membrane, and the outer cavity is communicated with outside; one end of the spring is propped against a first closed end of the rear shell, the other end of the spring is propped against the wrinkle parts, and the spring provides elastic force to support the sealing membrane. According to the sealed lamp, through concave and convex parts of the sealing membrane, pressure between the inside of the sealed lamp and the external environment keeps balance, so that the sealing effect of the sealing membrane can be kept, and the service life of the sealed lamp is prolonged.
Description
Technical field
The present invention relates to lighting engineering, particularly relate to a kind of sealed lamps.
Background technology
In the use lighting of some field or industry, due to the particularity of use occasion, also have the particular/special requirements in some sealings to light fixture, such as have sealed lamps that is explosion-proof, shockproof function, it is generally applied in inflammable and explosive occasion.If problem has appearred in the sealing of sealed lamps, it not only can cause the damage of light fixture, and also can cause the blast of periphery fuel gas etc., cause the generation of accident, the sealing of old friends to light fixture has high requirement simultaneously.
Traditional sealed lamps is generally all simply sealed by sealing ring.Sealed lamps in use, due to its internal light source heating during work, causes between lamp interior and outside and there is temperature contrast, and then make to cause inside and outside air pressure inconsistent, easily suck-back phenomenon occurs, cause seal failure.
Summary of the invention
Based on this, be necessary to provide a kind of sealed lamps that can prevent seal failure.
A kind of sealed lamps, comprising:
Back cover is hollow structure, comprises the first openend and first blind end relative with described first openend;
Transparent Parts, for having the housing of the second openend, described first openend is connected with described second openend, jointly surrounds receiving space to make described Transparent Parts and described back cover;
Diaphragm seal, be made up of elastomeric material, described diaphragm seal is laminated structure, it sealing comprising bending gauffer portion and be positioned at around described gauffer portion, described sealing is held between described first openend and described second openend, the junction of described first openend and described second openend seals by described sealing, and described receiving space is divided into the inner chamber near described Transparent Parts and the exocoel near described back cover by described diaphragm seal, and described exocoel and outside are conducted; And
Spring, its one end is connected on the first blind end of described back cover, and the other end is connected to described gauffer portion, and described spring provides elastic force, to support described diaphragm seal.
Wherein in an embodiment, described first blind end offers through hole, described sealed lamps also comprises motion bar, described motion bar comprises main rod body and is arranged at the terminal pad of described main rod body one end, described terminal pad is connected in described gauffer portion, the diameter of described main rod body and the diameter of described through hole suitable, and described main rod body wears described through hole away from one end of described terminal pad, the relatively described through hole of described main rod body slidably, described spring housing is located in described main rod body, and one end of described spring is connected on described terminal pad, and be connected in described gauffer portion by described terminal pad.
Wherein in an embodiment, the sidewall in described gauffer portion is recessed to form accepting groove towards the direction of described back cover, and described terminal pad is fixed in described accepting groove.
Wherein in an embodiment, also comprise compressing tablet and fixture, described compressing tablet pressure holding in described gauffer portion away from a side of described terminal pad, described gauffer portion is held between described terminal pad and described compressing tablet, described fixture wears described compressing tablet, described gauffer portion and described terminal pad, fixes to make described compressing tablet and described terminal pad.
Wherein in an embodiment, described fixture is threaded fastener.
Wherein in an embodiment, described main rod body is provided with the spacing preiection for preventing described main rod body from deviating from from described through hole away from one end of described terminal pad.
Wherein in an embodiment, described sealed lamps also comprises tube connector, described tube connector is arranged on described first blind end, and described tube connector is conducted by described through hole and described back cover, the interior diameter of described tube connector is greater than the diameter of described through hole, and described spacing preiection is contained in described tube connector.
Wherein in an embodiment, the lateral wall of described tube connector offers external screw thread.
Wherein in an embodiment, the periphery of described first openend is provided with the first flanging, the periphery of described second openend is provided with the second flanging, described first flanging is connected with described second flanging, to make described first openend and described second openend fix, described sealing is held between described first flanging and described second flanging.
Wherein in an embodiment, described first openend and described second openend are circle.
Above-mentioned sealed lamps at work, when pressure higher than external environment of the pressure of inner chamber, protrude to the direction towards back cover, to balance the pressure between inner chamber and exocoel by the gauffer portion of diaphragm seal.And when pressure higher than inner chamber of the pressure of external environment, the gauffer portion of diaphragm seal to recessed towards the direction of Transparent Parts, to balance the pressure between inner chamber and exocoel.By the protrusion or recessed of diaphragm seal, balance each other to make the pressure between sealed lamps inside and external environment, and then prevent because external and internal pressure differs, and the situation of the gas suck-back caused, not only increase the sealing of light fixture entirety, and its seal failure can be prevented, make the life-span of sealed lamps longer.
Accompanying drawing explanation
Fig. 1 is the explosive view of sealed lamps in present pre-ferred embodiments;
Fig. 2 is the sectional view of diaphragm seal in sealed lamps shown in Fig. 1;
Fig. 3 is the sectional view of sealed lamps shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the sealed lamps 100 in present pre-ferred embodiments, comprise back cover 110, tube connector 120, Transparent Parts 130, diaphragm seal 140, spring 150, motion bar 160, compressing tablet 170 and fixture 180.
Back cover 110 is hollow structure.Back cover 110 comprises the first openend 112 and first blind end 114 relative with the first openend 112.Specifically in the present embodiment, back cover 110 is roughly round table-like.First openend 112 is circular.First blind end 114 offers through hole (figure does not look).
Tube connector 120 is arranged on the first blind end 114, and tube connector 120 is conducted by through hole and back cover 110.The interior diameter of tube connector 120 is greater than the diameter of through hole.The lateral wall of tube connector 120 offers external screw thread 122.Tube connector 120 can be fixed on outside by external screw thread 122 and be provided with on the supporting seat (figure does not look) of screw.
Transparent Parts 130 is for having the housing of the second openend 132.First openend 112 is connected with the second openend 132, jointly surrounds receiving space to make Transparent Parts 130 and back cover 110.Concrete Transparent Parts 130 is circular lid-like in the present embodiment, and the second openend 132 is circular, with suitable with the first openend 112.
Diaphragm seal 140 is made up of elastomeric material.See also Fig. 2, diaphragm seal 140 is laminated structure.The sealing 144 that diaphragm seal 140 comprises bending gauffer portion 142 and is positioned at around gauffer portion 142.See also Fig. 3, sealing 144 is held between the first openend 112 and the second openend 132, and the junction of the first openend 112 and the second openend 132 seals by sealing 144.Receiving space is divided into the inner chamber 200 near Transparent Parts 130 and the exocoel 300 near back cover 110 by diaphragm seal 140.Luminescence component (scheme depending on) etc. is all contained in inner chamber 200, and exocoel 300 is connected with extraneous air.
Sealed lamps 100 at work, when pressure higher than external environment of the pressure of inner chamber 200, protrude to the direction towards back cover 110, to balance the pressure between inner chamber 200 and exocoel 300 by the gauffer portion 142 of diaphragm seal 140.And when pressure higher than inner chamber 200 of the pressure of external environment, the gauffer portion 142 of diaphragm seal 140 to recessed towards the direction of Transparent Parts 130, to balance the pressure between inner chamber 200 and exocoel 300.By the protrusion or recessed of diaphragm seal 140, to make the pressure between sealed lamps 100 inside and external environment balance each other, and then prevent because external and internal pressure differs, and the situation of the gas suck-back caused.
Specifically in the present embodiment, sealed lamps 100 also comprises locking member 190.The periphery of the first openend 112 is provided with the first flanging 112a, the periphery of the second openend 132 is provided with the second flanging 132a, locking member 190 wears the first flanging 112a and the second flanging 132a, to make the first flanging 112a be connected with the second flanging 132a, and then to make the first openend 112 and the second openend 132 fix.Sealing 144 is held between the first flanging 112a and the second flanging 132a, to seal the junction between the first flanging 112a and the second flanging 132a.Be connected with the second flanging 132a by the first flanging 112a between first openend 112 and the second openend 132, the contact area between the first openend 112 and the second openend 132 can be increased, make the connection between back cover 110 and Transparent Parts 130 more firm, increase the sealing of sealed lamps 100 simultaneously.
Be appreciated that and also can be connected by other assemblies with fixed function such as fasteners between the first flanging 112a with the second flanging 132a, now locking member 190 can omit.Meanwhile, fixing enough firm between back cover 110 and Transparent Parts 130, and when sealing is enough, the first flanging 112a and the second flanging 132a all can omit.In addition, the first openend 112 or the second openend 132 can be also other shape, as rectangle, regular polygon etc., are not limited to circle.Tube connector 120 also can omit, and shell is directly fixed on external support seat (figure does not look) by its first blind end 114.
Spring 150 one end is connected on the first blind end 114 of back cover 110, and the other end is connected to gauffer portion 142.Spring 150 provides elastic force, to support diaphragm seal 140.When the pressure of inner chamber 200 and the pressure of external environment balance each other, spring 150 is in nature extended configuration.When pressure imbalance with external environment of inner chamber 200, by the protrusion of diaphragm seal 140 or recessed, and the flexible elastic force provided of spring 150, make the pressure of inner chamber 200 and the pressure of external environment be in poised state.
Motion bar 160 and compressing tablet 170 are for better supporting diaphragm seal 140.Concrete, motion bar 160 comprises main rod body 162 and is arranged at the terminal pad 164 of main rod body 162 one end, terminal pad 164 is connected in gauffer portion 142, the diameter of main rod body 162 and the diameter of through hole suitable, and main rod body 162 wears through hole away from one end of terminal pad 164, main rod body 162 opposing through-bores slidably.Main rod body 162 enters in motion bar 160 away from one end of terminal pad 164, and in motion bar 160 slidably.Main rod body 162 is provided with the spacing preiection 166 for preventing main rod body 162 from deviating from from through hole away from one end of terminal pad 164, and when motion bar 160 is towards the direction motion of Transparent Parts 130, spacing preiection 166 can effectively prevent main rod body 162 from deviating from from through hole.
Spring 150 is sheathed in main rod body 162, and one end of spring 150 is connected on terminal pad 164, and is connected in gauffer portion 142 by terminal pad 164.Spring 150 is abutted against with diaphragm seal 140 by the terminal pad 164 on motion bar 160, effectively can increase spring 150 and gauffer portion 142 directly contact area.
Compressing tablet 170 pressure holding is in gauffer portion 142 away from a side of terminal pad 164, and gauffer portion 142 is held between terminal pad 164 and compressing tablet 170.Fixture 180 wears compressing tablet 170, gauffer portion 142 and terminal pad 164, fixes to make the relative terminal pad 164 of compressing tablet 170.By compressing tablet 170 and fixture 180, it is fixing more firm to make between motion bar 160 and diaphragm seal 140.
In addition, please again consult Fig. 2 and Fig. 3, the sidewall in gauffer portion 142 is recessed to form accepting groove 146 towards the direction of back cover 110.Terminal pad 164 is fixed in accepting groove 146, to increase the contact area between terminal pad 164 and gauffer portion 142.
Specifically in the present embodiment, fixture 180 is threaded fastener.Be appreciated that in other embodiments, fixture 180 also can be riveting parts etc., only need meet and compressing tablet 170, gauffer portion 142 and terminal pad 164 is fixed together.When contact area between terminal pad 164 and gauffer portion 142 is enough large, accepting groove 146 also can omit.Meanwhile, if when the support of spring 150 pairs of diaphragm seals 140 is enough firm, motion bar 160 also can omit.
Above-mentioned sealed lamps 100 at work, when pressure higher than external environment of the pressure of inner chamber 200, protrude to the direction towards back cover 110, to balance the pressure between inner chamber 200 and exocoel 300 by the gauffer portion 142 of diaphragm seal 140.And when pressure higher than inner chamber 200 of the pressure of external environment, the gauffer portion 142 of diaphragm seal 140 to recessed towards the direction of Transparent Parts 130, to balance the pressure between inner chamber 200 and exocoel 300.By the protrusion or recessed of diaphragm seal 140, balance each other to make the pressure between sealed lamps 100 inside and external environment, and then prevent because external and internal pressure differs, and the situation of the gas suck-back caused, not only increase the sealing of light fixture entirety, and its seal failure can be prevented, make the life-span of sealed lamps 100 longer.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a sealed lamps, is characterized in that, comprising:
Back cover is hollow structure, comprises the first openend and first blind end relative with described first openend;
Transparent Parts, for having the housing of the second openend, described first openend is connected with described second openend, jointly surrounds receiving space to make described Transparent Parts and described back cover;
Diaphragm seal, be made up of elastomeric material, described diaphragm seal is laminated structure, it sealing comprising bending gauffer portion and be positioned at around described gauffer portion, described sealing is held between described first openend and described second openend, the junction of described first openend and described second openend seals by described sealing, and described receiving space is divided into the inner chamber near described Transparent Parts and the exocoel near described back cover by described diaphragm seal, and described exocoel and outside are conducted; And
Spring, its one end is connected on the first blind end of described back cover, and the other end is connected to described gauffer portion, and described spring provides elastic force, to support described diaphragm seal.
2. sealed lamps according to claim 1, it is characterized in that, described first blind end offers through hole, described sealed lamps also comprises motion bar, described motion bar comprises main rod body and is arranged at the terminal pad of described main rod body one end, described terminal pad is connected in described gauffer portion, the diameter of described main rod body and the diameter of described through hole suitable, and described main rod body wears described through hole away from one end of described terminal pad, the relatively described through hole of described main rod body slidably, described spring housing is located in described main rod body, and one end of described spring is connected on described terminal pad, and be connected in described gauffer portion by described terminal pad.
3. sealed lamps according to claim 2, is characterized in that, the sidewall in described gauffer portion is recessed to form accepting groove towards the direction of described back cover, and described terminal pad is fixed in described accepting groove.
4. sealed lamps according to claim 2, it is characterized in that, also comprise compressing tablet and fixture, described compressing tablet pressure holding in described gauffer portion away from a side of described terminal pad, described gauffer portion is held between described terminal pad and described compressing tablet, described fixture wears described compressing tablet, described gauffer portion and described terminal pad, fixes to make described compressing tablet and described terminal pad.
5. sealed lamps according to claim 4, is characterized in that, described fixture is threaded fastener.
6. sealed lamps according to claim 2, is characterized in that, described main rod body is provided with the spacing preiection for preventing described main rod body from deviating from from described through hole away from one end of described terminal pad.
7. sealed lamps according to claim 6, it is characterized in that, described sealed lamps also comprises tube connector, described tube connector is arranged on described first blind end, and described tube connector is conducted by described through hole and described back cover, the interior diameter of described tube connector is greater than the diameter of described through hole, and described spacing preiection is contained in described tube connector.
8. sealed lamps according to claim 7, is characterized in that, the lateral wall of described tube connector offers external screw thread.
9. sealed lamps according to claim 1, it is characterized in that, the periphery of described first openend is provided with the first flanging, the periphery of described second openend is provided with the second flanging, described first flanging is connected with described second flanging, to make described first openend and described second openend fix, described sealing is held between described first flanging and described second flanging.
10. sealed lamps according to claim 1, is characterized in that, described first openend and described second openend are circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659923.3A CN104696929A (en) | 2013-12-06 | 2013-12-06 | Sealed lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659923.3A CN104696929A (en) | 2013-12-06 | 2013-12-06 | Sealed lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696929A true CN104696929A (en) | 2015-06-10 |
Family
ID=53344320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310659923.3A Pending CN104696929A (en) | 2013-12-06 | 2013-12-06 | Sealed lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696929A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444241A (en) * | 2015-08-04 | 2017-02-22 | 海信集团有限公司 | Laser light source and laser projection display device |
| CN108167719A (en) * | 2018-01-31 | 2018-06-15 | 湖南金凤凰建材家居集成科技有限公司 | A kind of mounting structure of pendent lamp |
| CN108224286A (en) * | 2018-01-31 | 2018-06-29 | 湖南金凤凰建材家居集成科技有限公司 | A kind of integral type pendent lamp |
| CN108506827A (en) * | 2018-01-31 | 2018-09-07 | 湖南金凤凰建材家居集成科技有限公司 | A kind of installation method of lamps and lanterns |
| CN108561853A (en) * | 2018-01-31 | 2018-09-21 | 湖南金凤凰建材家居集成科技有限公司 | A kind of mounting base of pendent lamp |
| CN108591971A (en) * | 2018-01-31 | 2018-09-28 | 湖南金凤凰建材家居集成科技有限公司 | A kind of installation method of pendent lamp mounting base |
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| CN2692498Y (en) * | 2004-02-19 | 2005-04-13 | 佛山市青松科技有限公司 | Contour lamp |
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| CN201743495U (en) * | 2010-05-13 | 2011-02-16 | 高新区益腾净水设备研发中心 | Water storage unit with protective structure |
| CN201884731U (en) * | 2010-11-15 | 2011-06-29 | 烟台龙源电力技术股份有限公司 | Film pressure reducing valve |
| CN202082481U (en) * | 2011-05-03 | 2011-12-21 | 张贵平 | Pressure alarm lamp |
| CN103244727A (en) * | 2012-02-14 | 2013-08-14 | 罗达莱克斯阀门(上海)有限公司 | Pressure regulating device and pressure regulator thereof |
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| CN2692498Y (en) * | 2004-02-19 | 2005-04-13 | 佛山市青松科技有限公司 | Contour lamp |
| CN101109467A (en) * | 2006-07-19 | 2008-01-23 | 杨克庆 | Pressure-limiting stabilizing valve |
| CN201743495U (en) * | 2010-05-13 | 2011-02-16 | 高新区益腾净水设备研发中心 | Water storage unit with protective structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444241A (en) * | 2015-08-04 | 2017-02-22 | 海信集团有限公司 | Laser light source and laser projection display device |
| US10317782B2 (en) | 2015-08-04 | 2019-06-11 | Hisense Co., Ltd. | Laser light source and laser projection display device |
| CN108167719A (en) * | 2018-01-31 | 2018-06-15 | 湖南金凤凰建材家居集成科技有限公司 | A kind of mounting structure of pendent lamp |
| CN108224286A (en) * | 2018-01-31 | 2018-06-29 | 湖南金凤凰建材家居集成科技有限公司 | A kind of integral type pendent lamp |
| CN108506827A (en) * | 2018-01-31 | 2018-09-07 | 湖南金凤凰建材家居集成科技有限公司 | A kind of installation method of lamps and lanterns |
| CN108561853A (en) * | 2018-01-31 | 2018-09-21 | 湖南金凤凰建材家居集成科技有限公司 | A kind of mounting base of pendent lamp |
| CN108591971A (en) * | 2018-01-31 | 2018-09-28 | 湖南金凤凰建材家居集成科技有限公司 | A kind of installation method of pendent lamp mounting base |
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Application publication date: 20150610 |
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