CN103244914B - A kind of hinge component for preventing cover from dropping and explosion-proof lamp - Google Patents
A kind of hinge component for preventing cover from dropping and explosion-proof lamp Download PDFInfo
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- CN103244914B CN103244914B CN201210031532.2A CN201210031532A CN103244914B CN 103244914 B CN103244914 B CN 103244914B CN 201210031532 A CN201210031532 A CN 201210031532A CN 103244914 B CN103244914 B CN 103244914B
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Abstract
The invention discloses a kind of hinge component for preventing cover from dropping, for connecting lamp body and the cover of explosion-proof lamp, described hinge component comprises rotating shaft, be fixed on the dynamic hinge on described cover and be fixed on and described lamp body determines hinge; Described determine hinge integration be connected with two gathering sills be oppositely arranged, described gathering sill is vertically arranged; Described dynamic hinge is provided with axle sleeve, and described axle sleeve is arranged between two described gathering sills and the length of described axle sleeve is less than or equal to the distance of two described gathering sills; Described rotating shaft is successively through the described gathering sill of the described gathering sill of side, described axle sleeve and opposite side, and described rotating shaft slides up and down with described gathering sill and is connected, and described dynamic hinge is connected with described axis of rotation.The invention also discloses a kind of explosion-proof lamp of this hinge component of application.Hinge component for preventing cover from dropping of the present invention and explosion-proof lamp easy to maintenance.
Description
Technical field
The present invention relates to light fixture and accessory field, particularly relating to a kind of hinge component for preventing cover from dropping and explosion-proof lamp.
Background technology
Current existing light fixture cover is connected with lamp body by bolt, and when uncapping, bolt sleeve is on cover, is separated together with on cover with lamp body, and such design bolt is not easily lost, but needs to put down cover separately, and installation and maintenance particularly high-altitude maintenance are very inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is, for defects such as inconvenient maintenance in prior art, provide a kind of convenient for maintaining for the hinge component that prevents cover from dropping and explosion-proof lamp.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of hinge component for preventing cover from dropping, for connecting lamp body and the cover of explosion-proof lamp, described hinge component comprises rotating shaft, be fixed on the dynamic hinge on described cover and be fixed on and described lamp body determines hinge;
Described determine hinge integration be connected with two gathering sills be oppositely arranged, described gathering sill is vertically arranged; Described dynamic hinge is provided with axle sleeve, and described axle sleeve is arranged between two described gathering sills and the length of described axle sleeve is less than or equal to the distance of two described gathering sills; Described rotating shaft is successively through the described gathering sill of the described gathering sill of side, described axle sleeve and opposite side, and described rotating shaft slides up and down with described gathering sill and is connected, and described dynamic hinge is connected with described axis of rotation.
In the hinge component for preventing cover from dropping of the present invention, described the first hinge plate determined hinge and comprise inverse u shape, described first hinge plate comprises hinge plate main body and two legs with the main body integrated setting of described hinge plate respectively, described leg is bent upwards and makes that the surface of its free end and described hinge plate main body is fixing fits, and forms described gathering sill; Described first hinge plate is provided with the first fixing hole, describedly determines hinge and is fixed through described first fixing hole and described lamp body by screw.
In the hinge component for preventing cover from dropping of the present invention, described dynamic hinge comprises the second hinge plate of bar shaped, described second hinge plate two ends are respectively arranged with the second fixing hole, described second hinge plate lower end is bent upwards and forms described axle sleeve, described second hinge plate lower end and its upper end are fixed and are fitted, and described second fixing hole at two ends is relative; Described dynamic hinge is fixed through described second fixing hole and described cover by screw.
In the hinge component for preventing cover from dropping of the present invention, described rotating shaft two ends are respectively arranged with limited post, and the described limited post at two ends offsets with the described gathering sill of both sides respectively.
The present invention also provides a kind of explosion-proof lamp, comprises lamp body and cover, and described explosion-proof lamp also comprises hinge component, and described lamp body is provided with hook; Described lamp body one end is connected with described cover by described hinge component, and the other end is by described hook and described cover snapping;
Described hinge component comprises dynamic hinge, determines hinge and rotating shaft; Described determine hinge integration be connected with two gathering sills be oppositely arranged, described gathering sill is vertically arranged; Described dynamic hinge is provided with axle sleeve, and described axle sleeve is arranged between two described gathering sills and the length of described axle sleeve is less than or equal to the distance of two described gathering sills; Described rotating shaft is successively through the described gathering sill of the described gathering sill of side, described axle sleeve and opposite side, and described rotating shaft slides up and down with described gathering sill and is connected, and described dynamic hinge is connected with described axis of rotation.
In explosion-proof lamp of the present invention, described the first hinge plate determined hinge and comprise inverse u shape, described first hinge plate comprises hinge plate main body and two legs with the main body integrated setting of described hinge plate respectively, described leg is bent upwards and makes that the surface of its free end and described hinge plate main body is fixing fits, and forms described gathering sill; Described first hinge plate is provided with the first fixing hole, describedly determines hinge and is fixed through described first fixing hole and described lamp body by screw.
In explosion-proof lamp of the present invention, described dynamic hinge comprises the second hinge plate of bar shaped, described second hinge plate two ends are respectively arranged with the second fixing hole, described second hinge plate lower end is bent upwards and forms described axle sleeve, described second hinge plate lower end and its upper end are fixed and are fitted, and described second fixing hole at two ends is relative; Described dynamic hinge is fixed through described second fixing hole and described cover by screw.
In explosion-proof lamp of the present invention, described rotating shaft two ends are respectively arranged with limited post, and the described limited post at two ends offsets with the described gathering sill of both sides respectively.
In explosion-proof lamp of the present invention, described hook upper end is provided with the 3rd fixing hole, and lower end is bent upwards formation hook-shape structure, and described hook is fixed through described 3rd fixing hole and described lamp body by screw, lower end hook-shape structure and described cover snapping.
In explosion-proof lamp of the present invention, described cover upper limit is fitted with bolt, and described bolt is provided with the locating part for preventing it from departing from described cover;
Described explosion-proof lamp is also provided with the clamp nut matched with described bolt, and described bolt upper end is passed described lamp body and fixed by described clamp nut.
Hinge component for preventing cover from dropping of the present invention and explosion-proof lamp have following beneficial effect: after being uncapped by explosion-proof lamp in the present invention, cover is due to Action of Gravity Field drive rotating shaft slide downward in gathering sill, rear cover cabinet joint of uncapping is connected with lamp body without the need to putting down cover, particularly be applied to cover in prior art and have the cover of bolt, when sliding to minimum under rotating shaft, bolt departs from lamp body, avoid bolt after uncapping when adopting traditional rotating mechanism to be still embedded in lamp body and to cause cover cannot rotate and make the situation that it cannot be opened, facilitate maintenance work.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 be according to the present invention for prevent cover from dropping hinge component in determine the structural representation of a hinge embodiment;
Fig. 2 be according to the present invention for prevent cover from dropping hinge component in the structural representation of a dynamic hinge embodiment;
Fig. 3 is the structural representation according to an explosion-proof lamp of the present invention embodiment;
Fig. 4 is the structural representation according to linking up with an embodiment in explosion-proof lamp of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of hinge component for preventing cover from dropping of the present invention, this hinge component is for connecting lamp body 4 and the cover 5 of explosion-proof lamp, and hinge component comprises rotating shaft 3, dynamic hinge 2 and determines hinge 1, wherein, dynamic hinge 2 is fixed on cover 5, determines hinge 1 and is fixed on lamp body 4.
Hinge 1 integration of determining in the present invention is connected with two gathering sills be oppositely arranged 103, and gathering sill 103 is vertically arranged; Dynamic hinge 2 is provided with axle sleeve 202.Hinge component is when its assembled state, axle sleeve 202 is arranged between two gathering sills 103, be understandable that the length of axle sleeve 202 should be less than or equal to the distance of two gathering sills 103, rotating shaft 3 is successively through the gathering sill 103 of the gathering sill 103 of side, axle sleeve 202 and opposite side.Rotating shaft 3 slides up and down with gathering sill 103 and is connected, and dynamic hinge 2 is rotationally connected with rotating shaft 3, can 3 upsets around the shaft.
Preferably, determine the first hinge plate 101 that hinge 1 comprises inverse u shape, as shown in Figure 1, the first hinge plate 101 comprises hinge plate main body and two legs 102 with the main body integrated setting of hinge plate respectively, be understandable that, two legs 102 are arranged in parallel.The first initial hinge plate 101 is smooth, its leg 102 is not bent, two legs 102 of the first initial hinge plate 101 are bent upwards and make that the surface of its free end and hinge plate main body is fixing fits, and form gathering sill 103 by this bending operation, namely the first hinge plate 101 now can be used as shaping hinge 1 of determining and uses, must, it is to be understood that the length of gathering sill 103 is greater than the diameter of rotating shaft 3, rotating shaft 3 can be slided in gathering sill 103.
First hinge plate 101 is provided with the first fixing hole 104, determines hinge 1 and is fixed through the first fixing hole 104 and lamp body 4 by screw; In the present embodiment, the first hinge plate 101 is provided with 8 the first fixing holes 104 altogether, wherein each leg 102 is respectively arranged with two, correspondingly simultaneously, two ends, hinge plate body left and right are respectively arranged with two, when leg 102 be bent upwards fit with the surface of hinge plate main body time, two first fixing holes 104 corresponding in hinge plate main body of two the first fixing holes 104 on one-sided leg 102 are just relative between two, are then fixed on determining hinge 1 on lamp body 4 by four screws.Be more than a kind of embodiment of the first fixing hole 104, but its position and number correspondingly can change according to real needs, are not limited to the mode described in the present embodiment.
Preferably, dynamic hinge 2 comprises the second hinge plate 201 of bar shaped, as shown in Figure 2, second hinge plate 201 two ends are respectively arranged with the second fixing hole 203, second hinge plate 201 lower end is bent upwards and forms axle sleeve 202, second hinge plate 201 lower end and its upper end are fixed and are fitted, and second fixing hole 203 at two ends is relative; Dynamic hinge 2 is fixed through described second fixing hole 203 and described cover 5 by screw.
Because axle sleeve 202 produces by second hinge plate 201 one end is bending in the present embodiment, be understandable that, axle sleeve 202 bends towards the second hinge plate 201 side, the opposite side of the second hinge plate 201 to be close on cover 5 and to be fixed by screw, and axle sleeve 202 is placed between two gathering sills 103, insert rotating shaft 3.
Preferably, rotating shaft 3 two ends are respectively arranged with limited post, and the limited post at two ends offsets with the gathering sill 103 of both sides respectively.The limit method of rotating shaft 3 is not limited to the mode described in the present embodiment, can change its design according to actual needs.
Present invention also offers a kind of explosion-proof lamp, as shown in Figure 3, this explosion-proof lamp comprises lamp body 4 and cover 5, and this explosion-proof lamp also comprises hinge component, and lamp body 4 is provided with hook 41; Lamp body 4 one end is connected with cover 5 by hinge component, and the other end is by hook 41 and cover 5 snapping.Cover 5 upper limit is fitted with bolt 501, and bolt 501 is provided with the locating part for preventing it from departing from described cover 5, and this locating part can be the design that can prevent arbitrarily bolt 501 from coming off, as designed O type circle 502 on bolt 501; This explosion-proof lamp is also provided with the clamp nut matched with described bolt 501, when bolt 501 upper end is through lamp body 4, uses clamp nut to be fixed.
Hinge component comprises dynamic hinge 2, determines hinge 1 and rotating shaft 3; Hinge 1 integration of determining in the present invention is connected with two gathering sills be oppositely arranged 103, and gathering sill 103 is vertically arranged; Dynamic hinge 2 is provided with axle sleeve 202.Hinge component is when its assembled state, axle sleeve 202 is arranged between two gathering sills 103, be understandable that the length of axle sleeve 202 should be less than or equal to the distance of two gathering sills 103, rotating shaft 3 is successively through the gathering sill 103 of the gathering sill 103 of side, axle sleeve 202 and opposite side.Rotating shaft 3 slides up and down with gathering sill 103 and is connected, and dynamic hinge 2 is rotationally connected with rotating shaft 3, can 3 upsets around the shaft.
Preferably, determine the first hinge plate 101 that hinge 1 comprises inverse u shape, as shown in Figure 1, the first hinge plate 101 comprises hinge plate main body and two legs 102 with the main body integrated setting of hinge plate respectively, be understandable that, two legs 102 are arranged in parallel.The first initial hinge plate 101 is smooth, its leg 102 is not bent, two legs 102 of the first initial hinge plate 101 are bent upwards and make that the surface of its free end and hinge plate main body is fixing fits, and form gathering sill 103 by this bending operation, namely the first hinge plate 101 now can be used as shaping hinge 1 of determining and uses, must, it is to be understood that the length of gathering sill 103 is greater than the diameter of rotating shaft 3, rotating shaft 3 can be slided in gathering sill 103.
First hinge plate 101 is provided with the first fixing hole 104, determines hinge 1 and is fixed through the first fixing hole 104 and lamp body 4 by screw; In the present embodiment, the first hinge plate 101 is provided with 8 the first fixing holes 104 altogether, wherein each leg 102 is respectively arranged with two, correspondingly simultaneously, two ends, hinge plate body left and right are respectively arranged with two, when leg 102 be bent upwards fit with the surface of hinge plate main body time, two first fixing holes 104 corresponding in hinge plate main body of two the first fixing holes 104 on one-sided leg 102 are just relative between two, are then fixed on determining hinge 1 on lamp body 4 by four screws.Be more than a kind of embodiment of the first fixing hole 104, but its position and number correspondingly can change according to real needs, are not limited to the mode described in the present embodiment.
Preferably, dynamic hinge 2 comprises the second hinge plate 201 of bar shaped, as shown in Figure 2, second hinge plate 201 two ends are respectively arranged with the second fixing hole 203, second hinge plate 201 lower end is bent upwards and forms axle sleeve 202, second hinge plate 201 lower end and its upper end are fixed and are fitted, and second fixing hole 203 at two ends is relative; Dynamic hinge 2 is fixed through described second fixing hole 203 and described cover 5 by screw.
Because axle sleeve 202 produces by second hinge plate 201 one end is bending in the present embodiment, be understandable that, axle sleeve 202 bends towards the second hinge plate 201 side, the opposite side of the second hinge plate 201 to be close on cover 5 and to be fixed by screw, and axle sleeve 202 is placed between two gathering sills 103, insert rotating shaft 3.
Preferably, rotating shaft 3 two ends are respectively arranged with limited post, and the limited post at two ends offsets with the gathering sill 103 of both sides respectively.The limit method of rotating shaft 3 is not limited to the mode described in the present embodiment, can change its design according to actual needs.
A kind of embodiment of 41 is linked up with as shown in Figure 4 in the present invention, link up with 41 upper ends and be provided with the 3rd fixing hole 412, lower end is bent upwards and forms hook-shape structure 411, and hook 41 is fixed through the 3rd fixing hole 412 and lamp body 4 by screw, lower end hook-shape structure 411 and cover 5 snapping.Be understandable that, in order to hook-shape structure 411 and cover 5 snapping can be made, hook-shape structure 411 to hook 41 curving, when fixing with lamp body 4, hook 41 homonymy and lamp body 4 should be fitted, be then fixed on lamp body 4 through the 3rd fixing hole 412 by screw.
When keeping in repair explosion-proof lamp or other need the situation opening explosion-proof lamp, clamp nut is taken off one by one, stirring hook 41 makes it be unclamped by cover 5, now bolt 501 is also trapped in lamp body 4, and cover 5 cannot overturn, and the Action of Gravity Field due to cover 5 drives rotating shaft 3 slide downward in gathering sill 103 naturally, until bolt 501 all departs from lamp body 4, dynamic hinge 23 rotates around the shaft, and cover 5 drives bolt 501 to rotate together, until cover 5 vertically hangs.
When needs assembling cover 5, cover 5 is upwards overturn and is alignd in each bolt 501 aperture corresponding on lamp body 4, upwardly cover 5 is until bolt 501 is through lamp body 4, and rotating shaft 3 upward sliding in gathering sill 103, fastens cover 5 with hook 41 in this process; Then clamp nut is screwed.
Although the present invention is described by specific embodiment, it will be appreciated by those skilled in the art that, without departing from the present invention, various conversion can also be carried out and be equal to substituting to the present invention.In addition, for particular condition or material, various amendment can be made to the present invention, and not depart from the scope of the present invention.Therefore, the present invention is not limited to disclosed specific embodiment, and should comprise the whole embodiments fallen within the scope of the claims in the present invention.
Claims (6)
1. the hinge component for preventing cover from dropping, for connecting lamp body (4) and the cover (5) of explosion-proof lamp, it is characterized in that, described hinge component comprises rotating shaft (3), be fixed on the dynamic hinge (2) on described cover (5) and be fixed on and described lamp body (4) determines hinge (1);
Describedly determine hinge (1) integration and be connected with two gathering sills be oppositely arranged (103), described gathering sill (103) is vertically arranged; Described dynamic hinge (2) is provided with axle sleeve (202), and described axle sleeve (202) is arranged between two described gathering sills (103) and the length of described axle sleeve (202) is less than or equal to the distance of two described gathering sills (103); Described rotating shaft (3) is successively through the described gathering sill (103) of the described gathering sill (103) of side, described axle sleeve (202) and opposite side, described rotating shaft (3) slides up and down with described gathering sill (103) and is connected, and described dynamic hinge (2) and described rotating shaft (3) are rotationally connected;
Described the first hinge plate (101) determined hinge (1) and comprise inverse u shape, described first hinge plate (101) comprises hinge plate main body and two legs (102) with the main body integrated setting of described hinge plate respectively, described leg (102) is bent upwards and makes that the surface of its free end and described hinge plate main body is fixing fits, and forms described gathering sill (103); Described first hinge plate (101) is provided with the first fixing hole (104), describedly determines hinge (1) and is fixed through described first fixing hole (104) and described lamp body (4) by screw;
Described dynamic hinge (2) comprises second hinge plate (201) of bar shaped, described second hinge plate (201) two ends are respectively arranged with the second fixing hole (203), described second hinge plate (201) lower end is bent upwards and forms described axle sleeve (202), described second hinge plate (201) lower end and its upper end are fixed and are fitted, and described second fixing hole (203) at two ends is relative; Described dynamic hinge (2) is fixed through described second fixing hole (203) and described cover (5) by screw.
2. the hinge component for preventing cover from dropping according to claim 1, is characterized in that, described rotating shaft (3) two ends are respectively arranged with limited post, and the described limited post at two ends offsets with the described gathering sill (103) of both sides respectively.
3. an explosion-proof lamp, comprise lamp body (4) and cover (5), it is characterized in that, described explosion-proof lamp also comprises hinge component, and described lamp body (4) is provided with hook (41);
Described lamp body (4) one end is connected with described cover (5) by described hinge component, and the other end is by described hook (41) and described cover (5) snapping;
Described hinge component comprises dynamic hinge (2), determines hinge (1) and rotating shaft (3);
Describedly determine hinge (1) integration and be connected with two gathering sills be oppositely arranged (103), described gathering sill (103) is vertically arranged; Described dynamic hinge (2) is provided with axle sleeve (202), and described axle sleeve (202) is arranged between two described gathering sills (103) and the length of described axle sleeve (202) is less than or equal to the distance of two described gathering sills (103);
Described rotating shaft (3) is successively through the described gathering sill (103) of the described gathering sill (103) of side, described axle sleeve (202) and opposite side, described rotating shaft (3) slides up and down with described gathering sill (103) and is connected, and described dynamic hinge (2) and described rotating shaft (3) are rotationally connected;
Described the first hinge plate (101) determined hinge (1) and comprise inverse u shape, described first hinge plate (101) comprises hinge plate main body and two legs (102) with the main body integrated setting of described hinge plate respectively, described leg (102) is bent upwards and makes that the surface of its free end and described hinge plate main body is fixing fits, and forms described gathering sill (103); Described first hinge plate (101) is provided with the first fixing hole (104), describedly determines hinge (1) and is fixed through described first fixing hole (104) and described lamp body (4) by screw;
Described dynamic hinge (2) comprises second hinge plate (201) of bar shaped, described second hinge plate (201) two ends are respectively arranged with the second fixing hole (203), described second hinge plate (201) lower end is bent upwards and forms described axle sleeve (202), described second hinge plate (201) lower end and its upper end are fixed and are fitted, and described second fixing hole (203) at two ends is relative; Described dynamic hinge (2) is fixed through described second fixing hole (203) and described cover (5) by screw.
4. explosion-proof lamp according to claim 3, is characterized in that, described rotating shaft (3) two ends are respectively arranged with limited post, and the described limited post at two ends offsets with the described gathering sill (103) of both sides respectively.
5. explosion-proof lamp according to claim 4, it is characterized in that, described hook (41) upper end is provided with the 3rd fixing hole (412), lower end is bent upwards and forms hook-shape structure (411), described hook (41) is fixed through described 3rd fixing hole (412) and described lamp body (4) by screw, lower end hook-shape structure (411) and described cover (5) snapping.
6. explosion-proof lamp according to claim 5, it is characterized in that, described cover (5) upper limit is fitted with bolt (501), and described bolt (501) is provided with the locating part for preventing it from departing from described cover (5); Described explosion-proof lamp is also provided with the clamp nut matched with described bolt (501), and described bolt (501) upper end is passed described lamp body (4) and fixed by described clamp nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210031532.2A CN103244914B (en) | 2012-02-13 | 2012-02-13 | A kind of hinge component for preventing cover from dropping and explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210031532.2A CN103244914B (en) | 2012-02-13 | 2012-02-13 | A kind of hinge component for preventing cover from dropping and explosion-proof lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103244914A CN103244914A (en) | 2013-08-14 |
| CN103244914B true CN103244914B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210031532.2A Active CN103244914B (en) | 2012-02-13 | 2012-02-13 | A kind of hinge component for preventing cover from dropping and explosion-proof lamp |
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| Country | Link |
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| CN (1) | CN103244914B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806990A (en) * | 2014-06-05 | 2015-07-29 | 聂金芳 | Quick opening type safety explosion-proofing lamp |
| CN106555953A (en) * | 2016-11-25 | 2017-04-05 | 苏州汉瑞森光电科技股份有限公司 | A kind of multipurpose lighting light fixture |
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| CN2320902Y (en) * | 1997-08-04 | 1999-05-26 | 黄建锋 | Explosion-proof lamp |
| US6055705A (en) * | 1997-06-30 | 2000-05-02 | Nec Corporation | Opening/closing hinge construction for a housing |
| CN2682284Y (en) * | 2003-10-14 | 2005-03-02 | 宁波燎原灯具股份有限公司 | Road lighting lamp |
| CN201652048U (en) * | 2010-04-16 | 2010-11-24 | 大庆安正防爆电气有限公司 | Back uncovered type fast heat-radiation and explosion-protection street lamp |
| CN202092016U (en) * | 2011-01-10 | 2011-12-28 | 深圳尚莱特照明技术有限公司 | Hinge structure preventing dropping of explosion-proof light fixture |
| CN202709012U (en) * | 2012-02-13 | 2013-01-30 | 深圳科宏健半导体照明有限公司 | Hinge assembly for preventing surface cover from falling and explosion-proof lamp |
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2012
- 2012-02-13 CN CN201210031532.2A patent/CN103244914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055705A (en) * | 1997-06-30 | 2000-05-02 | Nec Corporation | Opening/closing hinge construction for a housing |
| CN2320902Y (en) * | 1997-08-04 | 1999-05-26 | 黄建锋 | Explosion-proof lamp |
| CN2682284Y (en) * | 2003-10-14 | 2005-03-02 | 宁波燎原灯具股份有限公司 | Road lighting lamp |
| CN201652048U (en) * | 2010-04-16 | 2010-11-24 | 大庆安正防爆电气有限公司 | Back uncovered type fast heat-radiation and explosion-protection street lamp |
| CN202092016U (en) * | 2011-01-10 | 2011-12-28 | 深圳尚莱特照明技术有限公司 | Hinge structure preventing dropping of explosion-proof light fixture |
| CN202709012U (en) * | 2012-02-13 | 2013-01-30 | 深圳科宏健半导体照明有限公司 | Hinge assembly for preventing surface cover from falling and explosion-proof lamp |
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| CN103244914A (en) | 2013-08-14 |
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