CN102691987A - Installing fastener, anti-falling assembly and lighting device - Google Patents
Installing fastener, anti-falling assembly and lighting device Download PDFInfo
- Publication number
- CN102691987A CN102691987A CN2011100724071A CN201110072407A CN102691987A CN 102691987 A CN102691987 A CN 102691987A CN 2011100724071 A CN2011100724071 A CN 2011100724071A CN 201110072407 A CN201110072407 A CN 201110072407A CN 102691987 A CN102691987 A CN 102691987A
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- retaining ring
- self
- ring spare
- rope member
- installing tache
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to an installing fastener which comprises a clamp seat, a first fastening kit rotatably arranged on the clamp seat, and a second fastening kit nested in the first fastening kit and used for clamping a rope member. The invention further relates to an anti-falling assembly which comprises the installing fastener, the rope member, and a self-locking button, the rope member is connected on the installing fastener in a clamping manner, the self-locking fastener is sheathed on the rope member, a self-locking ring is pushed by the reset of an elastic piece to move along the axial direction of a rod core so as to lead a first bending part to be sheathed into the self-locking ring. The invention also relates to a lighting device which comprises a lamp mainbody and the anti-falling assembly, and the lamp mainbody is sheathed in the self-locking fastener. According to the invention, the lamp main body and the rope member are locked by the self-locking fastener arranged, the rope member is clamped and fixed outward by the installing fastener arranged, thus realizing repositioning of the lamp mainbody, preventing the lamp mainbody from falling in mounting or dismounting process due to loosening of the installing assembly, and eliminating the hidden safety hazard.
Description
Technical field
The present invention relates to lighting field, more particularly, relate to a kind of installing tache, anti-drop assembly and lighting device.
Background technology
Vibration continues to exist under the industrial environment, and light fixture causes weighing down the lamp accident because parts get loose and may come off from matrix (that is: construction wall, ceiling or other fixtures), has potential safety hazard.Simultaneously; Light fixture causes associative operation not convenient, especially under the work high above the ground environment being mounted to matrix or from the process that matrix is dismantled, needing operating personnel to come the supplemental support lighting with hand; Easy scatter operation personnel notice carelessly slightly the lamp accident will occur weighing down.
Summary of the invention
The technical problem that the present invention will solve is, does not cause light fixture to come off easily to lighting device in the prior art because anti-drop assembly is set, and causes and weighs down the lamp accident, has this defective of potential safety hazard, and a kind of lighting device is provided, and can prevent effectively that light fixture from falling.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of installing tache, comprise being used for externally fixing deck, rotating and be arranged on the first retaining ring spare on the said deck and be arranged in the said first retaining ring spare and be used to clamp the second retaining ring spare of rope member; The said first retaining ring spare is the hollow revolving body of both ends open, and the one of which end forms conical cavity; One end of the said second retaining ring spare is the cylindrical portion of hollow; The other end is an a plurality of contractile claw portion; Form tapered portion between said cylindrical portion and the said claw portion, said tapered portion be connected to the said first retaining ring spare conical cavity so that said claw portion shrink and clamp said rope member.
A kind of installing tache of the present invention, preferred, convex with barb on the inwall of the said second retaining ring spare.
A kind of installing tache of the present invention, preferred, be provided with a securing member in the said first retaining ring spare, in order to the spacing said second retaining ring spare.
A kind of installing tache of the present invention, preferred, also be provided with an elastic component in the said first retaining ring spare, the two ends of said elastic component are butt said claw portion and said securing member respectively.
A kind of installing tache of the present invention, preferred, also comprise adjusting rod, the said second retaining ring spare is provided with locating slot, and the said first retaining ring spare is provided with resigning hole; One end of said adjusting rod is fixed in the said locating slot, and the other end passes and stretches out said resigning hole; Adjust the position of the said second retaining ring spare in the said first retaining ring spare through the displacement of said adjusting rod in said resigning hole.
The present invention also constructs a kind of anti-drop assembly, comprise installing tache, be connected in the rope member of said installing tache and be set on the said rope member from snap close; Said comprise self-lock rod and rotate from snap close be arranged on the poke rod member on the said self-lock rod; First bending part and second bending part that said self-lock rod comprises straight-bar portion and is arranged on said straight-bar portion two ends; Said poke rod member comprises bar core, elastic component and is sleeved on the self-locking ring on the said bar core; Said bar core rotates and is arranged on said second bending part; Said self-locking ring is the hollow cylindrical body that is provided with inward flange, and said elastic component is sleeved on the said bar core and is connected to said inward flange; Promote said self-locking ring moving axially through resetting of said elastic component along said bar core so that said first bending part is inserted in the said self-locking ring.
A kind of anti-drop assembly of the present invention, preferred, said first bending part is provided with the screens groove, and said bar core is provided with and the suitable screens portion of said screens groove.
A kind of anti-drop assembly of the present invention, preferred, said bar core is respectively arranged with spacing preiection and defining flange up and down, with limit said self-locking ring along said bar mandrel to displacement.
A kind of anti-drop assembly of the present invention, preferred, said first bending part is provided with first wedge surface, and the end of said bar core forms second wedge surface that fits with said first wedge surface.
The present invention also constructs a kind of lighting device, comprises lamp main body, anti-drop assembly, said anti-drop assembly comprise be used for fixing the installing tache on the matrix, be connected in the rope member of said installing tache and be set on the said rope member from snap close; Said lamp main body is set in said self-locking and smashs.
The present invention can reach following beneficial effect: through tight lamp main body of self-locking padlock and rope member are set; Installing tache is set simultaneously with rope member clamping and externally fixing; Thereby realize location once more with lamp main body; Be provided with anti-drop assembly, lamp main body can the lamp accident not occur weighing down because of installation component gets loose in the installation or removal process, eliminate safe hidden trouble.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of lighting device of the present invention;
Fig. 2 is the structural representation from snap close of lighting device of the present invention;
Fig. 3 is the structural representation from the poke rod member of snap close of lighting device of the present invention;
Fig. 4 is the A portion enlarged diagram of Fig. 2;
Fig. 5 is the B portion enlarged diagram of Fig. 2;
Fig. 6 be lighting device of the present invention from the poke rod member of snap close and the sketch map under the self-lock rod disengaged position;
Fig. 7 be lighting device of the present invention from the poke rod member of snap close and the sketch map under the self-lock rod buckling state;
Fig. 8 is the exploded perspective view of the installing tache assembly of lighting device of the present invention;
Fig. 9 is the scheme of installation of the installing tache assembly of lighting device of the present invention;
Figure 10 is the sketch map of the second retaining ring spare of the installing tache assembly of lighting device of the present invention.
The drawing reference numeral explanation:
1, lamp main body 2, installation component
3, matrix 4, from snap close
41, self-lock rod 411, first bending part
4111, first wedge surface 4112, screens groove
412, straight-bar portion 413, second bending part
42, poke rod member 421, bar core
4211, second wedge surface 4212, screens portion
422, elastic component 423, self-locking ring
424, spacing preiection 425, defining flange
426, inward flange 43, bearing pin
5, rope member 6, installing tache
61, the first retaining ring spare 611, through hole
612, axis hole 613, resigning hole
614, conical cavity 62, the second retaining ring spare
621, cylindrical portion 6211, through hole
622, tapered portion 623, claw portion
6231, groove 6232, locating slot
624, adjusting rod 625, barb
63, elastic component 64, securing member
65, deck 651, substrate
6511, installing hole 652, support arm
653, rotating shaft
The specific embodiment
To understand in order technical characterictic of the present invention, purpose and effect being had more clearly, to contrast accompanying drawing at present and specify the specific embodiment of the present invention.
Like Fig. 1, Fig. 8, shown in Figure 9; An embodiment for installing tache of the present invention; A kind of installing tache 6 comprises being used for externally fixing deck 65, rotating and be arranged on the first retaining ring spare 61 on the deck 65 and be arranged in the first retaining ring spare 61 and be used to clamp the second retaining ring spare 62 of rope member 5.As shown in Figure 1, deck 65 externally is fixed on the matrix 3, and this matrix 3 can be construction wall, ceiling or other fixtures.As shown in Figure 8, the first retaining ring spare 61 is the hollow revolving body of both ends open, and an end of this revolving body forms conical cavity 614.Like Fig. 8, shown in Figure 10; One end of the second retaining ring spare 62 is the cylindrical portion 621 of hollow; The middle part of cylindrical portion 621 is provided with the through hole 6211 that supplies rope member 5 to pass; The other end of the second retaining ring spare 62 is an a plurality of contractile claw portion 623, forms tapered portion 622 between cylindrical portion 621 and the claw portion 623.Shown in figure 10, separate through groove 6231 between the adjacent card claw 623, the quantity of claw portion 623 is three, and is understandable, the quantity of claw portion 623 is not limited to three, can be for more than two or three.When the second retaining ring spare 62 was arranged in the first retaining ring spare 61, tapered portion 622 is connected to the conical cavity 614 of the first retaining ring spare 61 so that claw portion 623 shrinks and clamping rope member 5.Understandable, rope member 5 can be chain, lanyard or other rigidity or flexible connecting member.
On the basis of technique scheme, clamp rope member 5 in order to make the second retaining ring spare 62, preferred, the cone angle of conical cavity 614 is slightly less than tapered portion 622.Under the external force effect, can force tapered portion 622 to produce elastic deformation when tapered portion 622 fits tightly conical cavity 614, thereby make claw portion 623 convergence and clamping rope member 5 each other.
Further; The surface of lanyard or other flexible connecting members is comparatively smooth; If external force may cause rope member 5 from the second retaining ring spare 62, to get loose or slip away more greatly; Tightr, shown in figure 10 for the second retaining ring spare 62 is combined with rope member 5, convex with barb 625 on the inwall of the second retaining ring spare 62.
Preferably, along the axial direction of the second retaining ring spare 62, be distributed with many row's barb 625 on its inwall, the height that interval between adjacent two row's barb 625 and barb 625 are stretched out inwall all has certain requirement.Further, in order to increase the frictional force between barb 625 and the rope member 5, barb 625 inclination certain angles are provided with.
In order to provide spacing for the second retaining ring spare 62, concrete, like Fig. 8, shown in Figure 9, the first retaining ring spare 61 is provided with through hole 611, and cylindrical portion 621 stretches out through hole 611 and tapered portion 622 is connected in the conical cavity 614.Same; In order to prevent that the second retaining ring spare 62 from coming off from the other end of the first retaining ring spare 61, as shown in Figure 8, be set with a securing member 64 in the first retaining ring spare 61; In order to the butt second retaining ring spare 62, securing member 64 is provided with the through hole that supplies rope member 5 to wear.This securing member 64 is cylindric in the present embodiment, and its side face is provided with in order to the screw thread that cooperates, and understandable, securing member 64 can also be fixed on the first retaining ring spare 61 through modes such as welding, clamping, riveted joints.
Further, as shown in Figure 8 as the preferred embodiment of the invention, also be provided with an elastic component 63 in the first retaining ring spare 61, the two ends of elastic component 63 are butt claw portion 623 and securing member 64 respectively.Elastic component 63 is to be used for the resiliency supported second retaining ring spare 62 so that tapered portion 622 is connected in the conical cavity 614, does not receive external force to do the time spent and can make claw portion 623 clamp rope member 5.Elastic component 63 is preferably a spring in the present embodiment.
On the basis of technique scheme, for the ease of adjusting the position of the second retaining ring spare 62 in the first retaining ring spare 61, further; As shown in Figure 8; Installing tache 6 comprises that also adjusting rod 624, the second retaining ring spares 62 are provided with locating slot 6232, the first retaining ring spares 61 and are provided with resigning hole 613.One end of adjusting rod 624 is fixed in the locating slot 6232, and the other end passes and stretches out resigning hole 613.Adjust the position of the second retaining ring spare 62 in the first retaining ring spare 61 through the shift reciprocately of adjusting rod 624 in resigning hole 613.Rope member 5 be mounted to the second retaining ring spare 62, or the process of dismounting from the second retaining ring spare 62 in; This structure need not from the first retaining ring spare, 61 dismounting securing members 64 and elastic component 63; Fine setting adjusting rod 624 is regulated the position of the second retaining ring spare 62 in resigning hole 613 displacements; And then regulate claw portion 623 and tighten up each other or unclamp rope member 5, easy to operate.Resigning hole 613 mounting hole preferably in the present embodiment, resigning hole 613 also can be square opening, ellipsoid hole or other erose through holes.
Concrete, as shown in Figure 8, deck 65 comprises a substrate 651, convexes with two support arms that are oppositely arranged 652 on the substrate 651, connects on the support arm 652 and is provided with rotating shaft 653; Corresponding, the sidewall of the first retaining ring spare 61 is provided with axis hole 612, the first retaining ring spares 61 of confession rotating shaft 653 installations through rotating shaft 653 hinged being arranged on the support arm 652.Substrate 1 is provided with two through holes that supply the externally fixing installing hole 6511 of deck and supply rope member 5 to wear.
As shown in Figure 1, the present invention also provides a kind of anti-drop assembly, comprise installing tache 6, be connected in the rope member 5 in the installing tache 6 and be set on the rope member 5 from snap close 4.Installing tache 6 is taked the installing tache structure discussed in the technique scheme here, does not do tired stating at this.Concrete, as shown in Figure 2, comprise that from snap close 4 self-lock rod 41 and rotation are arranged on the poke rod member 42 on the self-lock rod 41, poke rod member 42 constitutes the closed circular bodies with self-lock rod 41.First bending part 411 and second bending part 413 that self-lock rod 41 comprises straight-bar portion 412 and is arranged on straight-bar portion 412 two ends.In order to make poke rod member 42 have bigger slewing area, preferred, the radius of curvature of first bending part 411 is greater than the radius of curvature of second bending part 413.As shown in Figure 3, poke rod member 42 comprises bar core 421, elastic component 422 and is sleeved on the self-locking ring 423 on the bar core 421, and bar core 421 rotates and is arranged on second bending part 413, and elastic component 422 is preferably a spring in the present embodiment.In order to realize that self-locking ring 423 reciprocatingly slides along bar core 421, like Fig. 1, shown in Figure 7, self-locking ring 423 is the hollow cylindrical body of both ends open, and this hollow cylindrical body one end is sleeved on the bar core 421, and the other end can hold the end of first bending part 411.As shown in Figure 3, the inwall of self-locking ring is provided with inward flange 426, and elastic component 422 is sleeved on the bar core 421 and is connected to inward flange 426.As shown in Figure 6, make its end first bending part 411 that slips away through pressed by external force self-locking ring 423, thereby make first bending part 411 be in movable state with bar core 421, this moment, elastic component 422 was in compressive state; As shown in Figure 7; Unclamp external force; Elastic component 422 recovers deformation, and promotion self-locking ring 423 moves axially so that first bending part 411 is inserted in the self-locking ring 423 along bar core 421, self-locking ring 423 sockets first bending part 411 and bar core 421; For both provide spacing, anti-stopping bar core 421 rotates arbitrarily around bearing pin 43.
Concrete, as shown in Figure 3, in the screens portion 4212 of bar core 421 spacing preiection 424 is set, this spacing preiection 424 is used to limit the displacement that self-locking ring 423 makes progress.Understandable, spacing preiection 424 also can be arranged on first bending part 411.As shown in Figure 3, bar core 421 also is provided with defining flange 425, and this defining flange 425 is used to limit elastic component 422 displacements, makes elastic component 422 activities between inward flange 426 and defining flange 425.
On the basis of technique scheme, for the ease of the snap fit between the bar core 421 and first bending part 411, preferred, as shown in Figure 4, first bending part 411 is provided with screens groove 4112; As shown in Figure 5, bar core 421 is provided with the screens portion 4212 suitable with screens groove 4112.
Further; From snap close 4 under locking state; Self-lock rod 41 often will stand the tension and compression of external force, and in order to make the bar core 421 and first bending part 411 more firm in the fastening process, first bending part 411 is provided with first wedge surface 4111; The end of bar core 421 forms second wedge surface 4211, fits from snap close 4 second wedge surface 4211 and first wedge surface 4111 under locking state.
The present invention also provides a kind of lighting device, and is as shown in Figure 1, is an embodiment of lighting device, and this lighting device comprises lamp main body 1 and anti-drop assembly.As shown in Figure 1, lamp main body 1 is externally fixing through installation component 2, and installation component 2 can be connecting rod, rope and other members.Anti-drop assembly comprise be used for fixing the installing tache on the matrix 36, be connected in the rope member 5 of installing tache 6 and be set on the rope member 5 from snap close 4; Lamp main body 1 is set in snap close 4.Anti-drop assembly is the structure of discussing in the technique scheme, does not do tired stating at this.As shown in Figure 1, installation component 2 can be fixed on the same matrix with installing tache 6, and understandable, both also can be fixed on the different matrixes.Anti-drop assembly is positioned at lamp main body 1 on the matrix once more, and lamp main body 1 can the lamp accident not occur weighing down because of installation component 2 gets loose in the installation or removal process, eliminate safe hidden trouble.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. installing tache is characterized in that: comprise being used for externally fixing deck (65), rotating and be arranged on the first retaining ring spare (61) on the said deck (65) and be arranged in the said first retaining ring spare (61) and be used to clamp the second retaining ring spare (62) of rope member (5);
The said first retaining ring spare (61) is the hollow revolving body of both ends open, and the one of which end forms conical cavity (614); One end of the said second retaining ring spare (62) is the cylindrical portion (621) of hollow; The other end is a plurality of contractile claw portions (623); Form tapered portion (622) between said cylindrical portion (621) and the said claw portion (623), said tapered portion (622) be connected to the said first retaining ring spare (61) conical cavity (614) so that said claw portion (623) shrink and clamp said rope member (5).
2. installing tache according to claim 1 is characterized in that, convexes with barb (625) on the inwall of the said second retaining ring spare (62).
3. installing tache according to claim 1 is characterized in that, is provided with a securing member (64) in the said first retaining ring spare (61), in order to the spacing said second retaining ring spare (62).
4. installing tache according to claim 3 is characterized in that, also is provided with an elastic component (63) in the said first retaining ring spare (61), and the two ends of said elastic component (63) are butt said claw portion (623) and said securing member (64) respectively.
5. installing tache according to claim 1 is characterized in that, also comprises adjusting rod (624), and the said second retaining ring spare (62) is provided with locating slot (6232), and the said first retaining ring spare (61) is provided with resigning hole (613); One end of said adjusting rod (624) is fixed in the said locating slot (6232), and the other end passes and stretches out said resigning hole (613); Adjust the position of the said second retaining ring spare (62) in the said first retaining ring spare (61) through the displacement of said adjusting rod (624) in said resigning hole (613).
6. anti-drop assembly is characterized in that: comprise as each described installing tache (6) of claim 1-5, be connected in the rope member (5) of said installing tache (6) and be set on the said rope member (5) from snap close (4);
Said comprise self-lock rod (41) and rotate from snap close (4) be arranged on the poke rod member (42) on the said self-lock rod (41); First bending part (411) and second bending part (413) that said self-lock rod (41) comprises straight-bar portion (412) and is arranged on said straight-bar portion (412) two ends;
Said poke rod member (42) comprises bar core (421), elastic component (422) and is sleeved on the self-locking ring (423) on the said bar core (421); Said bar core (421) rotates and is arranged on said second bending part (413); Said self-locking ring (423) is for being provided with the hollow cylindrical body of inward flange (426), and said elastic component (422) is sleeved on said bar core (421) and goes up and be connected to said inward flange (426);
Promote said self-locking ring (423) moving axially through resetting of said elastic component (422) along said bar core (421) so that said first bending part (411) is inserted in the said self-locking ring (423).
7. anti-drop assembly according to claim 6 is characterized in that, said first bending part (411) is provided with screens groove (4112), and said bar core (421) is provided with the screens portion (4212) suitable with said screens groove (4112).
8. anti-drop assembly according to claim 6 is characterized in that, said bar core (421) is respectively arranged with spacing preiection (424) and defining flange (425) up and down, to limit said self-locking ring (423) along the axial displacement of said bar core (421).
9. according to claim 6 or 7 described anti-drop assemblies; It is characterized in that; Said first bending part (411) is provided with first wedge surface (4111), and the end of said bar core (421) forms second wedge surface (4211) that fits with said first wedge surface (4111).
10. lighting device; Comprise lamp main body (1); It is characterized in that: also comprise each described anti-drop assembly like claim 6-9, said anti-drop assembly comprise be used for fixing the installing tache (6) on the matrix (3), be connected in the rope member (5) of said installing tache (6) and be set on the said rope member (5) from snap close (4); Said lamp main body (1) is set in said in snap close (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110072407.1A CN102691987B (en) | 2011-03-24 | 2011-03-24 | Installing fastener, anti-falling assembly and lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110072407.1A CN102691987B (en) | 2011-03-24 | 2011-03-24 | Installing fastener, anti-falling assembly and lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102691987A true CN102691987A (en) | 2012-09-26 |
| CN102691987B CN102691987B (en) | 2014-01-01 |
Family
ID=46857616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110072407.1A Expired - Fee Related CN102691987B (en) | 2011-03-24 | 2011-03-24 | Installing fastener, anti-falling assembly and lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102691987B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712175A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Lamp housing structure and lamp with the same |
| CN105650610A (en) * | 2015-09-29 | 2016-06-08 | 杭州华普永明光电股份有限公司 | Lamp with falling-preventing devices |
| CN106090832A (en) * | 2016-07-29 | 2016-11-09 | 家联宝（上海）光电新能源科技有限公司 | A kind of lamp installation assembly |
| CN111874014A (en) * | 2020-07-21 | 2020-11-03 | 徐州徐工矿业机械有限公司 | Flexible sling with anti-falling mechanism and hinged dumper |
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| CN101566319A (en) * | 2008-04-21 | 2009-10-28 | 深圳市海洋王照明科技股份有限公司 | Floor lamp |
| CN201661958U (en) * | 2010-02-24 | 2010-12-01 | 同济大学 | Adjustable telescopic living color LED lamp |
| CN102679249A (en) * | 2011-03-18 | 2012-09-19 | 海洋王照明科技股份有限公司 | Illuminating device |
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- 2011-03-24 CN CN201110072407.1A patent/CN102691987B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566319A (en) * | 2008-04-21 | 2009-10-28 | 深圳市海洋王照明科技股份有限公司 | Floor lamp |
| CN201661958U (en) * | 2010-02-24 | 2010-12-01 | 同济大学 | Adjustable telescopic living color LED lamp |
| CN102679249A (en) * | 2011-03-18 | 2012-09-19 | 海洋王照明科技股份有限公司 | Illuminating device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712175A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Lamp housing structure and lamp with the same |
| CN103712175B (en) * | 2012-09-29 | 2018-09-04 | 深圳市海洋王照明工程有限公司 | Lamp casing structure and lamps and lanterns with the lamp casing structure |
| CN105650610A (en) * | 2015-09-29 | 2016-06-08 | 杭州华普永明光电股份有限公司 | Lamp with falling-preventing devices |
| CN106090832A (en) * | 2016-07-29 | 2016-11-09 | 家联宝（上海）光电新能源科技有限公司 | A kind of lamp installation assembly |
| CN111874014A (en) * | 2020-07-21 | 2020-11-03 | 徐州徐工矿业机械有限公司 | Flexible sling with anti-falling mechanism and hinged dumper |
| CN111874014B (en) * | 2020-07-21 | 2021-09-14 | 徐州徐工矿业机械有限公司 | Flexible sling with anti-falling mechanism and hinged dumper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102691987B (en) | 2014-01-01 |
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Granted publication date: 20140101 Termination date: 20190324 |