CN103453503A - Sealing ring of lamp and lamp - Google Patents
Sealing ring of lamp and lamp Download PDFInfo
- Publication number
- CN103453503A CN103453503A CN2012101679260A CN201210167926A CN103453503A CN 103453503 A CN103453503 A CN 103453503A CN 2012101679260 A CN2012101679260 A CN 2012101679260A CN 201210167926 A CN201210167926 A CN 201210167926A CN 103453503 A CN103453503 A CN 103453503A
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- cast body
- sealing ring
- barb
- light fixture
- back cover
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
Provided are a sealing ring of a lamp and the lamp. The sealing ring comprises a ring-shaped body provided with a through hole at the center and a plurality of inverted hooks arranged on the ring-shaped body. A hollow hole is arranged at the center of a cross section of the ring-shaped body and penetrates the whole ring-shaped body to form a closed cavity, and the cavity is full of gas. The outer surface of the ring-shaped body is formed by enclosing two end faces and two side faces, two end faces are parallel, two side faces are connected between the two end faces, the plurality of inverted hooks are distributed in pairs, one of each pair of inverted hooks is arranged on the periphery of the inner side face of the ring-shaped body for one circle in a protruding and surrounding mode, and the other of each pair of inverted hooks is arranged on the periphery of the outer side face of the ring-shaped body for one circle in a protruding and surrounding mode. The width of the ring-shaped body is gradually reduced from one end face to the other end face, and the size of the inverted hooks on the same side face gradually increases along the arrangement direction from the wide end face to the narrow end face. The sealing ring of the lamp is simple in assembly and good in sealing effect, and the service life of the lamp is prolonged.
Description
Technical field
The present invention relates to a kind of hermetically-sealed construction, relate in particular to a kind of sealing ring that is applied in the light fixture end face.
Background technology
Light fixture comprises lamp outer casing and is located at bulb, optical module and the circuit unit in shell, for convenience of more changing the bulb and overhauling, usually lamp outer casing all consists of two parts, i.e. fore shell and back cover, and these two parts connect by articulated structure and fasten by buckle structure.Usually in the service life of the sealing property direct relation light fixture of sealing ring, for improving the sealing property of light fixture, reach waterproof, etch-proof effect, the end face that need contact with back cover at fore shell is carried out sealing.Common way is that the end face contacted with back cover at fore shell adopts the sealing ring sealing.Sealing ring is divided into solid sealing ring and hollow sealing circle, and solid sealing ring, due to the deformation difficulty, so be difficult to put into seal groove, even if difficultly pack seal groove into, also easily drops out while uncapping from seal groove; Hollow sealing ring is compared solid sealing ring, its center in cross section is provided with hollow hole, this hollow hole makes sealing ring that certain deformation space be arranged, so, be easier to fit into seal groove, but the sealing ring of hollow is subject to housing pressure less, easy torsional deformation under the washing away of its negative pressure and outside water in light fixture, and then affect sealing effectiveness.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists, and proposes a kind of sealing ring and light fixture of light fixture, and the sealing ring assembling of this light fixture is simple, and good sealing effect has extended service life of light fixture.
For solving the problems of the technologies described above, the present invention proposes a kind of sealing ring of light fixture, comprising: a center has cast body and a plurality of barb be arranged on described cast body of through hole; The kernel of section of described cast body is provided with hollow hole, and described hollow hole forms the cavity of a sealing through whole cast body, in described cavity, be filled with gas; Described this external surface of cast is surrounded and is formed by two end faces and two sides, described two end faces are parallel to each other, described two sides are connected between described two end faces, one of them side near described through hole is medial surface, another is lateral surface, and described lateral surface is arranged on the opposite side of described medial surface; A plurality of described barbs distribute in pairs, and a barb convex hole in the every pair of barb is around a circumferential circle that is arranged on described cast body medial surface, and another barb convex hole in the every pair of barb is around a circumferential circle that is arranged on described cast body lateral surface; One end of described cast body cross-section is to other end convergent width, is arranged on direction that each barb end wider along the cast body on cast body same side arrange to narrower end increased in size gradually; The cross section of described barb is pointed shape, this wedge angle is intersected by two straight flanges and forms, the side of described cast body is plane, a straight flange of described barb cross section and the side of described cast body intersect obtuse angle, another straight flange of described barb cross section and the side of described cast body intersect acute angle, and an obtuse-angulate side end narrower towards described cast body intersected in the side of each barb and described cast body.
Preferably, be arranged in pairs in the medial surface of described cast body and two barbs on lateral surface axisymmetricly.
Preferably, be provided with two pairs of barbs on described cast body.
Preferably, the length of two straight flanges of described barb cross section does not wait, it is longer straight flange that the side of itself and described cast body is intersected obtuse-angulate, it is shorter straight flange that the side of itself and described cast body is intersected acutangulate, and longer straight flange is with respect to the end slope of described cast body, and shorter straight flange is parallel to the end face of described cast body.
Preferably, described cast body is the hollow square, and tetragonal corner location is circular arc chamfering.
For solving the problems of the technologies described above, the present invention also provides a kind of light fixture, it comprises front shell assemblies and rear shell component, described light fixture also comprises above-mentioned sealing ring, be provided with the seal groove that holds described sealing ring on the end face of the described rear shell component of described front shell assemblies laminating, and on described sealing ring, barb and described cast body side intersect the bottom land of a side at obtuse angle towards described seal groove.
Preferably, the protrusion of the described sealing ring of described back cover component joint extends a convex tendon, described convex tendon is whole circumferential around described rear shell component end face, one end of described convex tendon cross section is to other end reduced width gradually, and the wider end of described convex tendon cross section is connected on the end face of described rear shell component.
Preferably, the cross section of described convex tendon is isosceles trapezoid, and the longer base of described isosceles trapezoid is connected on the end face of described rear shell component.
Preferably, described front shell assemblies comprises the fore shell with opening and is arranged on the Transparent Parts of the aperture position of described fore shell, described seal groove is arranged on described fore shell, described rear shell component comprises the light source in the back cover with cavity volume and the cavity volume that is arranged on described back cover, and described convex tendon is arranged on described back cover.
Preferably, described light fixture also comprises two buckles that the hinge assembly together with described back cover member hinges and two snap together described front shell assemblies and described rear shell component by described front shell assemblies, described hinge assembly comprises: a rotating shaft post be arranged on described fore shell, two are arranged on hinged seat on described back cover and through described rotating shaft post and the two ends bearing pin hinged with two hinged seats respectively, described buckle comprises: one is arranged on the grab that the Button Block and on described fore shell is rotatably connected on described back cover, described hinged hinged seat and the grab of described buckle are separately positioned on two sides that described back cover is relative, the rotating shaft post of described hinge assembly and the Button Block of described buckle are separately positioned on two sides that described fore shell is relative.
Compared with prior art, the present invention has following beneficial effect: 1) both sides of sealing ring are provided with barb, and barb and cast body side hand over an obtuse-angulate side at the bottom of the seal groove of light fixture, now, the deformation direction of sealing ring both sides barb is the curving from a side direction acute angle at its obtuse angle, bending resistance is little, so easily sealing ring is fitted into to seal groove, if sealing ring will be taken out from seal groove, must overcome the resistance of the barb of sealing ring side, and now, the deformation direction of the barb of sealing ring both sides is the curvings by a side direction barb obtuse angle of barb acute angle, bending resistance is large, so sealing ring is difficult for dropping out from seal groove, 2) end of cast body cross-section is to other end convergent width, and the obtuse-angulate side in a barb and cast body side end narrower towards the cast body, so be more conducive to sealing ring is fitted into the seal groove of light fixture, again because barb size corresponding to the wider end of the cast body barb size corresponding than a narrow end is large, so the bending resistance of cast body corresponding barb than a narrow end is large, so further increased the difficulty that sealing ring takes out, made sealing ring be adsorbed on securely in seal groove, 3) be provided with the convex tendon of press seal circle on light fixture, make the maximum internal stress of sealing ring and convex tendon contact-making surface be greater than the external and internal pressure caused after light fixture work poor, thereby sealing ring can be resisted under the punching press of the negative pressure of light fixture and outside water, make himself not yielding, improve the barrier propterty of light fixture, extended the service life of light fixture.
The accompanying drawing explanation
The structure chart of the sealing ring that Fig. 1 is light fixture of the present invention.
The sectional view of the sealing ring that Fig. 2 is light fixture of the present invention.
The assembled state structure chart of the sealing ring that Fig. 3 is light fixture of the present invention.
The sectional structure chart that Fig. 4 is light fixture of the present invention.
The enlarged drawing that Fig. 5 is A section in Fig. 4.
The specific embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Consult Fig. 1, light fixture sealing ring 2 of the present invention is soft materials, and it comprises: a cast body 21 and a plurality of barb 22 be arranged on described cast body.This cast body 21 center cuts out a square through hole 23, makes cast body 21 be a hollow square, and for convenience of sealing ring 2 assemblings, the corner location setting of this square cast body 21 also is provided with circular arc chamfering.Obviously, in other embodiments, cast body 21 also can not be defined as the hollow square, and its shape can change according to actual needs, as: annular, oval ring or other irregular shapes.
Consult Fig. 2, the kernel of section of cast body 21 is provided with hollow hole 24, and hollow hole 24 is preferably circle, and it forms the cavity of a sealing through whole cast body 21, be filled with gas in this cavity, so that the space that sealing ring has compression or expands in cross-wise direction.In conjunction with consulting Fig. 1, cast body 21 outer surfaces are surrounded and are formed by two end faces and two sides, two end faces are respectively the first end face 225 and the second end face 226, two sides are respectively medial surface 223 and lateral surface 224, the first end face 225 is parallel to the second end face 226, medial surface 223 and lateral surface 224 are connected between the first end face 225 and the second end face 226, and medial surface 223 is near logical. and hole 23, lateral surface 224 is arranged on the opposite side of medial surface 223.
Each barb 22 is all around the circumferential circle of the side that is arranged on this cast body 21, and each barb 22 distributes in pairs, in the present embodiment, be provided with two pairs of barbs 221 or 222 on cast body 21, barb 221(in two barbs that arrange in pairs or 222) protrude and be arranged on the medial surface 223 of cast body 21, another barb 221(or 222 in two barbs that arrange in pairs) protrude and be arranged on the lateral surface 224 of cast body 21.In other embodiments, also can be according to the size of cast body 21 corresponding increase or reduce the logarithm of barb, barb 221 or 222 quantity on cast body 21 are more, the absorption affinity that sealing ring 2 is arranged in seal groove is just stronger.One end of cast body 21 cross sections is to other end convergent width, and its cross section is trapezoidal or removes the taper on pinnacle.Every couple of two barb 221(or 222 that are arranged on the inside and outside side 223,224 of cast body 21) measure-alike, and preferably on the medial surface 223 of cast body 21 and lateral surface 224, distribute axisymmetricly.Be positioned at same side 223(or 224) on the size difference of two barbs 221,222, and be positioned at same side 223(or 224) on two barbs 221,222 end wider by the cast body 21 cross sections direction of arranging to narrower end increased in size gradually.
The cross section of two pairs of barbs 221,222 all is pointed shape, take barb 221 as example, and this wedge angle is intersected by two straight flanges 2211 and 2212 and forms, and certainly also can be intersected and be formed by arc-shaped edges, for simplifying production technology, in the present embodiment, adopts the former.Medial surface 223 and the lateral surface 224 of cast body 21 are plane, a straight flange 2211 of barb 221 cross sections intersects obtuse angle with the side of cast body 21, another straight flange 2212 and the side of cast body 21 of barb 221 cross sections intersect acute angle, and barb 221 intersects an obtuse-angulate side end narrower towards cast body 21 cross sections with the side of cast body 21.The length of two straight flanges 2211,2212 of each barb 221 cross sections does not wait, the Jiao Cheng obtuse angle, side of its longer straight flange 2211 and cast body 21, shorter straight flange 2212 and the side decussate of cast body 21, and longer straight flange 2211 tilts with respect to the both ends of the surface 225,226 of cast body 21, and shorter straight flange 2212 is parallel to the both ends of the surface 225,226 of cast body 21.Another shape to barb 222 is identical with shape and the structure of barb 221 with structure, repeats no more herein.
Application example below by a sealing ring on light fixture describes occupation mode and the advantage of this kind of sealing ring in detail.
Consult Fig. 3, this light fixture comprises: a front shell assemblies 1 and a rear shell component 3.Front shell assemblies 1 comprises the fore shell 11 with opening and the Transparent Parts 12 that is arranged on the aperture position of fore shell 11.Rear shell component 3 comprises back cover 31, light source 32 and light source driven unit etc.The back cover 31 center cavity volume 311 that sets to the concave, light source 32 is located in this cavity volume 311.
In order to facilitate front shell assemblies 1 and rear shell component 3 open and closes, this light fixture also comprises two hinge assemblies that front shell assemblies 1 and rear shell component 3 is hinged and two buckles that front shell assemblies 1 and rear shell component 3 are snapped together.Each hinge assembly includes: a rotating shaft post 41, two hinged seats 42 and a bearing pin 43, rotating shaft post 41 is arranged on fore shell 11, two hinged seats 42 are arranged on back cover 31, on two hinged seats 43, is provided with hinge hole 421.Buckle comprises: one is arranged on the grab 5 that the Button Block (not shown) and on fore shell 11 is rotatably connected on back cover 31.The hinged seat 42 of hinge assembly and the grab 5 of buckle are separately positioned on two sides that back cover 31 is relative, and the rotating shaft post 41 of hinge assembly and the Button Block of buckle are separately positioned on two sides that fore shell 11 is relative.During assembling, first bearing pin 43 is passed to rotating shaft post 41, and two traversing through end insert respectively in the hinge hole 21 of two hinged seats 42, can front shell assemblies 1 and rear shell component 3 is hinged, then grab 5 correspondences on back cover 31 are buckled on the Button Block of fore shell 11, at once front shell assemblies 1 and rear shell component 3 are fastened, contrary, grab 5 on back cover 31 is separated with the Button Block on fore shell 1, can open forward and backward shell.
For strengthening the sealing property of front shell assemblies 1 and rear shell component 3, on the end face that this light fixture also fastens at front shell assemblies 1 and rear shell component 3, be provided with above-mentioned sealing ring 2.Be provided with to hold the seal groove (not shown) of sealing ring 2 on the end face of fore shell 11, the shape of the shape of seal groove and sealing ring 2 is complementary, and it is also square, and the notch size is just inserted for sealing ring 2.In order to step up sealing ring 2, the whole end face of back cover 31 and sealing ring 2 laminatings also protrudes and is extended with convex tendon 311, and an end of convex tendon 311 cross sections is to other end reduced width gradually, and the wider end of convex tendon 311 cross sections is connected on the end face of back cover 31.Preferably, the cross section that makes convex tendon 311 is isosceles trapezoid, and the longer base of isosceles trapezoid is connected on the end face of back cover 31.
In conjunction with consulting Fig. 2, Fig. 4 and Fig. 5, during sealing ring 2 assembling, sealing ring 2 barbs 221 and 222 and the obtuse-angulate side in sealing ring 2 sides (being the narrower ends of cast body 21 cross sections) towards the assembling of the bottom land of the seal groove 111 of fore shell 11, like this, although during assembling, the barb 221 and 222 of sealing ring 2 two sides has certain decrement, but assemble along a side at barb 221 and 222 obtuse angles because be, so the resistance run into during assembling is less, in addition, the narrower end of cast body 21 cross sections is towards the bottom land of seal groove, so be more conducive to assembling, after circle 2 to be sealed assembles, sealing ring 2 to be taken out from the seal groove 111 of fore shell 11, must overcome the barb 221 of sealing ring 2 two sides and 222 resistance, so be difficult for while uncapping dropping out.After light fixture assembles, convex tendon 311 compresses seal 2 on back cover 31 in rear shell component 3, because of convex tendon 311 end width narrower, compare general flat board compression, convex tendon 311 is larger over against that a part of decrement of sealing ring 2, so the part that convex tendon 311 ends contact with sealing ring 2 is compared with common flat compressed contact-making surface, pressure strengthens, make the maximum internal stress of sealing ring 2 and convex tendon 311 contact-making surfaces be greater than the external and internal pressure caused after light fixture work poor, thereby sealing ring 2 can be resisted under the punching press of the negative pressure of light fixture and outside water, make himself not yielding, improved the barrier propterty of light fixture, in addition, due to convex tendon 311 compresses seal 2, make the interior cavity of sealing ring 2 compressed, thereby make gas in cavity compressed and increase pressure, the pressure increased is delivered on the contact-making surface of sealing ring 2 and convex tendon 311, thereby further increases the reliability of sealing.
These are only better possible embodiments of the present invention, not limit the scope of the invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, and all is included in protection scope of the present invention.
Claims (10)
1. the sealing ring of a light fixture, is characterized in that, comprising: a center has cast body and a plurality of barb be arranged on described cast body of through hole; The kernel of section of described cast body is provided with hollow hole, and described hollow hole forms the cavity of a sealing through whole cast body, in described cavity, be filled with gas; Described this external surface of cast is surrounded and is formed by two end faces and two sides, described two end faces are parallel to each other, described two sides are connected between described two end faces, one of them side near described through hole is medial surface, another is lateral surface, and described lateral surface is arranged on the opposite side of described medial surface; A plurality of described barbs distribute in pairs, and a barb convex hole in the every pair of barb is around a circumferential circle that is arranged on described cast body medial surface, and another barb convex hole in the every pair of barb is around a circumferential circle that is arranged on described cast body lateral surface; One end of described cast body cross-section is to other end convergent width, is arranged on direction that each barb end wider along the cast body on cast body same side arrange to narrower end increased in size gradually; The cross section of described barb is pointed shape, this wedge angle is intersected by two straight flanges and forms, the side of described cast body is plane, a straight flange of described barb cross section and the side of described cast body intersect obtuse angle, another straight flange of described barb cross section and the side of described cast body intersect acute angle, and an obtuse-angulate side end narrower towards described cast body intersected in the side of each barb and described cast body.
2. the sealing ring of light fixture as claimed in claim 1, is characterized in that, is arranged in pairs in the medial surface of described cast body and two barbs on lateral surface axisymmetricly.
3. the sealing ring of light fixture as claimed in claim 1, is characterized in that, is provided with two pairs of barbs on described cast body.
4. the sealing ring of light fixture as claimed in claim 1, it is characterized in that, the length of two straight flanges of described barb cross section does not wait, it is longer straight flange that the side of itself and described cast body is intersected obtuse-angulate, it is shorter straight flange that the side of itself and described cast body is intersected acutangulate, and longer straight flange is with respect to the end slope of described cast body, and shorter straight flange is parallel to the end face of described cast body.
5. the sealing ring of light fixture as claimed in claim 1, is characterized in that, described cast body is the hollow square, and tetragonal corner location is circular arc chamfering.
6. a light fixture, comprise front shell assemblies and rear shell component, it is characterized in that, described light fixture also comprises sealing ring as described as any one in claim 1-5, be provided with the seal groove that holds described sealing ring on the end face of the described rear shell component of described front shell assemblies laminating, and on described sealing ring, barb and described cast body side intersect the bottom land of a side at obtuse angle towards described seal groove.
7. light fixture as claimed in claim 6, it is characterized in that, the protrusion of the described sealing ring of described back cover component joint extends a convex tendon, described convex tendon is whole circumferential around described rear shell component end face, one end of described convex tendon cross section is to other end reduced width gradually, and the wider end of described convex tendon cross section is connected on the end face of described rear shell component.
8. the light fixture of stating as claim 7, is characterized in that, the cross section of described convex tendon is isosceles trapezoid, and the longer base of described isosceles trapezoid is connected on the end face of described rear shell component.
9. light fixture as claimed in claim 7, it is characterized in that, described front shell assemblies comprises the fore shell with opening and is arranged on the Transparent Parts of the aperture position of described fore shell, described seal groove is arranged on described fore shell, described rear shell component comprises the light source in the back cover with cavity volume and the cavity volume that is arranged on described back cover, and described convex tendon is arranged on described back cover.
10. light fixture as claimed in claim 9, it is characterized in that, described light fixture also comprises two buckles that the hinge assembly together with described back cover member hinges and two snap together described front shell assemblies and described rear shell component by described front shell assemblies, described hinge assembly comprises: a rotating shaft post be arranged on described fore shell, two are arranged on hinged seat on described back cover and through described rotating shaft post and the two ends bearing pin hinged with two hinged seats respectively, described buckle comprises: one is arranged on the grab that the Button Block and on described fore shell is rotatably connected on described back cover, described hinged hinged seat and the grab of described buckle are separately positioned on two sides that described back cover is relative, the rotating shaft post of described hinge assembly and the Button Block of described buckle are separately positioned on two sides that described fore shell is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210167926.0A CN103453503B (en) | 2012-05-28 | 2012-05-28 | The sealing ring and lamps and lanterns of lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210167926.0A CN103453503B (en) | 2012-05-28 | 2012-05-28 | The sealing ring and lamps and lanterns of lamps and lanterns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103453503A true CN103453503A (en) | 2013-12-18 |
| CN103453503B CN103453503B (en) | 2018-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210167926.0A Active CN103453503B (en) | 2012-05-28 | 2012-05-28 | The sealing ring and lamps and lanterns of lamps and lanterns |
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| Country | Link |
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| CN (1) | CN103453503B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210517A (en) * | 2018-09-13 | 2019-01-15 | 厦门阳光恩耐照明有限公司 | Illuminator sealing structure and illuminator |
| CN109963424A (en) * | 2019-03-07 | 2019-07-02 | 深圳市海洋王照明工程有限公司 | End face seal structure and explosion-proof gateway controller |
| CN112963762A (en) * | 2021-02-07 | 2021-06-15 | 深圳市祥宇光电子科技有限公司 | Underwater diving lamp with high-efficiency waterproof performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761647A (en) * | 2009-10-14 | 2010-06-30 | 海洋王照明科技股份有限公司 | Special-shaped sealing ring and lamp sealing structure using same |
| CN101956966A (en) * | 2009-07-20 | 2011-01-26 | 海洋王照明科技股份有限公司 | Waterproof sealing lamp |
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2012
- 2012-05-28 CN CN201210167926.0A patent/CN103453503B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956966A (en) * | 2009-07-20 | 2011-01-26 | 海洋王照明科技股份有限公司 | Waterproof sealing lamp |
| CN101761647A (en) * | 2009-10-14 | 2010-06-30 | 海洋王照明科技股份有限公司 | Special-shaped sealing ring and lamp sealing structure using same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210517A (en) * | 2018-09-13 | 2019-01-15 | 厦门阳光恩耐照明有限公司 | Illuminator sealing structure and illuminator |
| CN109963424A (en) * | 2019-03-07 | 2019-07-02 | 深圳市海洋王照明工程有限公司 | End face seal structure and explosion-proof gateway controller |
| CN112963762A (en) * | 2021-02-07 | 2021-06-15 | 深圳市祥宇光电子科技有限公司 | Underwater diving lamp with high-efficiency waterproof performance |
| CN112963762B (en) * | 2021-02-07 | 2022-04-12 | 深圳市祥宇光电子科技有限公司 | Underwater diving lamp with high-efficiency waterproof performance |
| US11555607B1 (en) | 2021-02-07 | 2023-01-17 | Shenzhen Xiangyu Optoelectronics Technology Co., Ltd | Diving lamp with efficient waterproof performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103453503B (en) | 2018-07-31 |
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