CN103742880B - A kind of for large-scale desk lamp joint mechanism - Google Patents
A kind of for large-scale desk lamp joint mechanism Download PDFInfo
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- CN103742880B CN103742880B CN201310704309.4A CN201310704309A CN103742880B CN 103742880 B CN103742880 B CN 103742880B CN 201310704309 A CN201310704309 A CN 201310704309A CN 103742880 B CN103742880 B CN 103742880B
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- voussoir
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Abstract
The invention discloses a kind of for large-scale desk lamp joint mechanism, circular-shaped, concave cavity is provided with in upper arm front, drag ring is combined with in circular-shaped, concave cavity, drag ring is fixedly sleeved on connecting axle, connecting axle one end and upper arm are rotationally connected, the connecting axle other end is fixedly connected with underarm, some voussoirs be mutually adjacent to circumferentially are provided with between circular-shaped, concave cavity and drag ring, the frictional force of voussoir and circular-shaped, concave cavity madial wall and for increasing the frictional force with drag ring side, when upper arm and underarm relatively rotate, need the frictional force overcoming voussoir and circular-shaped, concave cavity madial wall and drag ring side, and, by arranging the voussoir of varying number, different frictional force can be produced, when the quantity of voussoir increases, the frictional force of voussoir and circular-shaped, concave cavity madial wall and drag ring side also increases, upper arm and underarm is made to have the feature reliably and not lost efficacy when bearing larger load, simultaneously upper arm can carry out steplessly rotating adjustment relative to underarm, to realize the height of adjustable desk lamp.
Description
[technical field]
The present invention relates to Table lamp stand structure, especially a kind of for large-scale desk lamp joint mechanism.
[background technology]
At present, for desk lamp that is relatively large, heavy load, its articulation mechanism generally adopts the mechanism such as connecting rod, rope, although can ensure that the situation that desk lamp can not cause because load is excessive losing efficacy occurs like this, greatly have impact on the attractive in appearance of desk lamp entirety.But for the linkwork of the good bearing pin of appearance, but large load cannot be born, cannot customer requirement be met.
Namely the present invention proposes for the deficiencies in the prior art research.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of for large-scale desk lamp joint mechanism, circular-shaped, concave cavity is provided with in upper arm front, drag ring is combined with in circular-shaped, concave cavity, drag ring is fixedly sleeved on connecting axle, connecting axle one end and upper arm are rotationally connected, the connecting axle other end is fixedly connected with underarm, some voussoirs be mutually adjacent to circumferentially are provided with between circular-shaped, concave cavity and drag ring, the frictional force of voussoir and circular-shaped, concave cavity madial wall and for increasing the frictional force with drag ring side, when upper arm and underarm relatively rotate, need the frictional force overcoming voussoir and circular-shaped, concave cavity madial wall and drag ring side, upper arm and underarm is made to have the feature reliably and not lost efficacy when bearing larger load, simultaneously upper arm can carry out steplessly rotating adjustment relative to underarm, to realize the height of adjustable desk lamp.
For solving the problems of the technologies described above, the present invention's one is used for large-scale desk lamp joint mechanism, comprise upper arm and with upper arm be connected and the underarm that can rotate relative to upper arm, described upper arm front is provided with circular-shaped, concave cavity, the positioning shaft assembly for making upper arm and underarm be connected is provided with in described circular-shaped, concave cavity, described positioning shaft assembly is fixedly connected with underarm, between described positioning shaft assembly and circular-shaped, concave cavity circle distribution have some pieces to be mutually adjacent to for increasing with circular-shaped, concave cavity madial wall frictional force with for increasing the voussoir with positioning shaft assembly side friction power.
The described upper arm back side is provided with the upper arm connecting hole be communicated with circular-shaped, concave cavity, described underarm front is provided with underarm connecting through hole, described positioning shaft assembly comprises the connecting axle for coordinating with upper arm connecting hole, described connecting axle one end is provided with the spacing shaft shoulder, the described connecting axle other end is provided with the threaded connection hole for coordinating with underarm connecting through hole, described threaded connection hole is connected with the screw be fixedly connected with connecting axle by underarm, described connecting axle is also fixedly connected with in cylindrical drag ring, described drag ring is positioned at circular-shaped, concave cavity.
Also be provided with for the coil component spring by every block voussoir banding between described drag ring and circular-shaped, concave cavity, described voussoir comprises one group of relative rubbing surface contacted with drag ring lateral wall with circular-shaped, concave cavity madial wall respectively, described voussoir is provided with first compressive plane adjacent with rubbing surface and the second compressive plane, first compressive plane and second compressive plane of circumferential arrangement adjacent voussoir in circular-shaped, concave cavity are close to, described voussoir is also provided with the U-shaped mouth for holding coil component spring between two rubbing surfaces, described U-shaped mouth both sides are provided with clamping mouth, described clamping mouth is combined with the fixture block for being blocked by coil component spring.
Described rubbing surface is arcwall face, and described first compressive plane is arcwall face, and described second compressive plane is for facing directly.
Be provided with axle sleeve between described connecting axle and drag ring, described axle sleeve is fixedly connected with drag ring with connecting axle respectively.
Described axle sleeve and drag ring one-body molded.
Described upper arm connecting hole and/or underarm connecting through hole are counter sink.
Desk lamp joint mechanism, is characterized in that described voussoir shows 18 pieces along circular-shaped, concave cavity madial wall circular array.
The present invention's one is used for large-scale desk lamp joint mechanism, circular-shaped, concave cavity is provided with in upper arm front, drag ring is combined with in circular-shaped, concave cavity, drag ring is fixedly sleeved on connecting axle, connecting axle one end and upper arm are rotationally connected, the connecting axle other end is fixedly connected with underarm, some voussoirs be mutually adjacent to circumferentially are provided with between circular-shaped, concave cavity and drag ring, the frictional force of voussoir and circular-shaped, concave cavity madial wall and for increasing the frictional force with drag ring side, when upper arm and underarm relatively rotate, need the frictional force overcoming voussoir and circular-shaped, concave cavity madial wall and drag ring side, and, by arranging the voussoir of varying number, different frictional force can be produced, when the quantity of voussoir increases, the frictional force of voussoir and circular-shaped, concave cavity madial wall and drag ring side also increases, upper arm and underarm is made to have the feature reliably and not lost efficacy when bearing larger load, simultaneously upper arm can carry out steplessly rotating adjustment relative to underarm, to realize the height of adjustable desk lamp, the attractive in appearance of desk lamp entirety is not affected in addition yet.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is explosive view of the present invention.
Fig. 4 is the fit structure schematic diagram of each voussoir in the present invention.
Fig. 5 is the structural representation of voussoir in the present invention.
Fig. 6 is the structural representation of underarm in the present invention.
Fig. 7 is the structural representation of upper arm in the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing, a kind of embodiment for large-scale desk lamp joint mechanism of the present invention is elaborated.
The present invention's one is used for large-scale desk lamp joint mechanism, comprise upper arm 1 and with upper arm 1 be connected and the underarm 2 that can rotate relative to upper arm 1, described upper arm 1 front is provided with circular-shaped, concave cavity 11, the positioning shaft assembly 3 for making upper arm 1 and underarm 2 be connected is provided with in described circular-shaped, concave cavity 11, described positioning shaft assembly 3 is fixedly connected with underarm 2, between described positioning shaft assembly 3 and circular-shaped, concave cavity 11 circle distribution have some pieces to be mutually adjacent to for increasing with circular-shaped, concave cavity 11 madial wall frictional force with for increasing the voussoir 4 with positioning shaft assembly 3 side friction power.
Described upper arm 1 back side is provided with the upper arm connecting hole 12 be communicated with circular-shaped, concave cavity 11, described underarm 2 front is provided with underarm connecting through hole 21, described positioning shaft assembly 3 comprises the connecting axle 31 for coordinating with upper arm connecting hole 12, described connecting axle 31 one end is provided with the spacing shaft shoulder 312, described connecting axle 31 other end is provided with the threaded connection hole 311 for coordinating with underarm connecting through hole 21, described threaded connection hole 311 is connected with the screw 32 be fixedly connected with connecting axle 31 by underarm 2, described connecting axle 31 is also fixedly connected with in cylindrical drag ring 33, described drag ring 33 is positioned at circular-shaped, concave cavity 11.
Also be provided with for the coil component spring 5 by every block voussoir 4 banding between described drag ring 33 and circular-shaped, concave cavity 11, described voussoir 4 comprises one group of relative rubbing surface 41 contacted with drag ring 33 lateral wall with circular-shaped, concave cavity 11 madial wall respectively, described voussoir 4 is provided with first compressive plane 44 and second compressive plane 45 adjacent with rubbing surface 41, first compressive plane 44 and second compressive plane 45 of circumferential arrangement adjacent voussoir 4 in circular-shaped, concave cavity 11 are close to, described voussoir 4 is also provided with the U-shaped mouth 42 for holding coil component spring 5 between two rubbing surfaces 41, described U-shaped mouth 42 both sides are provided with clamping mouth 43, described clamping mouth 43 is combined with the fixture block 6 for being blocked by coil component spring 5.
In order to ensure that upper arm 1 and underarm 2 relatively rotate smooth and easy, voussoir 4 and circular-shaped, concave cavity 11 and drag ring 33 side are for slidingly contacting, and described rubbing surface 41 is arcwall face; Described first compressive plane 44 is arcwall face, described second compressive plane 45 is for facing directly, first compressive plane 44 of voussoir 4, the one piece voussoir 4 of circumferential arrangement in circular-shaped, concave cavity 11 is close to the second compressive plane 45 of another block voussoir 4, makes it adjacent two pieces of voussoirs 4 and produces an angle.
Axle sleeve 34 is provided with between described connecting axle 31 and drag ring 33, described axle sleeve 34 is fixedly connected with drag ring 33 with connecting axle 31 respectively, described axle sleeve 34 can be one-body molded with drag ring 33, connecting axle 31 and drag ring 33 also can adopt interference fit to fix, or the mode adopting keyway to coordinate is fixed.
Described upper arm connecting hole 12 and underarm connecting through hole 21 are counter sink, or upper arm connecting hole 12 and underarm connecting through hole 21 one of them be counter sink.
Described voussoir 4 shows 18 pieces along circular-shaped, concave cavity 11 madial wall circular array, the angle of adjacent two pieces of voussoirs 4 is 20 °, in addition, according to design needs, the quantity of voussoir 4 is not limited to 18 pieces, when the quantity of voussoir 4 increases, voussoir 4 increases with the frictional force of circular-shaped, concave cavity 11 madial wall and drag ring 33 side, the object do not lost efficacy to realize carrying larger load.
When the present invention uses, voussoir 4 one pieces is circumferentially arranged between circular-shaped, concave cavity 11 and drag ring 33 by one piece, two rubbing surfaces 41 on voussoir 4 contact with circular-shaped, concave cavity 11 madial wall respectively, with drag ring 33 contacts side surfaces, drag ring 33 connects by connecting axle 31 is fixing, and connecting axle 31 is threaded connection hole 311 again and is fixedly connected with underarm 2.When overcoming voussoir 4 and the friction between circular-shaped, concave cavity 11 and drag ring 33, upper arm 1 and underarm 2 relatively rotate, drag ring 33 and connecting axle 31 rotate with underarm 2, if the quantity of voussoir 4 increases, needing to overcome voussoir 4 also increases with the frictional force of circular-shaped, concave cavity 11 madial wall and drag ring 33 side.Therefore, making upper arm 1 and underarm 2 have the feature reliably and not lost efficacy when bearing larger load, adopting said structure, upper arm 1 can carry out steplessly rotating adjustment relative to underarm 2, to realize the height of adjustable desk lamp, does not also affect the attractive in appearance of overall desk lamp in addition.
Claims (5)
1. one kind for large-scale desk lamp joint mechanism, it is characterized in that comprising upper arm (1) and with upper arm (1) be connected and the underarm (2) that can rotate relative to upper arm (1), described upper arm (1) front is provided with circular-shaped, concave cavity (11), the positioning shaft assembly (3) for making upper arm (1) and underarm (2) be connected is provided with in described circular-shaped, concave cavity (11), described positioning shaft assembly (3) is fixedly connected with underarm (2), between described positioning shaft assembly (3) and circular-shaped, concave cavity (11) circle distribution have some pieces to be mutually adjacent to for increasing with circular-shaped, concave cavity (11) madial wall frictional force with for increasing the voussoir (4) with positioning shaft assembly (3) side friction power, described upper arm (1) back side is provided with the upper arm connecting hole (12) be communicated with circular-shaped, concave cavity (11), described underarm (2) front is provided with underarm connecting through hole (21), described positioning shaft assembly (3) comprises the connecting axle (31) for coordinating with upper arm connecting hole (12), described connecting axle (31) one end is provided with the spacing shaft shoulder (312), described connecting axle (31) other end is provided with the threaded connection hole (311) for coordinating with underarm connecting through hole (21), described threaded connection hole (311) is connected with the screw (32) be fixedly connected with connecting axle (31) by underarm (2), described connecting axle (31) is also fixedly connected with in cylindrical drag ring (33), described drag ring (33) is positioned at circular-shaped, concave cavity (11), also be provided with for the coil component spring (5) by every block voussoir (4) banding between described drag ring (33) and circular-shaped, concave cavity (11), described voussoir (4) comprises one group of relative rubbing surface (41) contacted with drag ring (33) lateral wall with circular-shaped, concave cavity (11) madial wall respectively, described voussoir (4) is provided with first compressive plane (44) adjacent with rubbing surface (41) and the second compressive plane (45), first compressive plane (44) and second compressive plane (45) of circumferential arrangement adjacent voussoir (4) in circular-shaped, concave cavity (11) are close to, described voussoir (4) is also provided with the U-shaped mouth (42) for holding coil component spring (5) be positioned between two rubbing surfaces (41), described U-shaped mouth (42) both sides are provided with clamping mouth (43), described clamping mouth (43) is combined with the fixture block (6) for being blocked by coil component spring (5), described rubbing surface (41) is arcwall face, described first compressive plane (44) is arcwall face, described second compressive plane (45) is for facing directly.
2. be used for large-scale desk lamp joint mechanism by a kind of described in claim 1, it is characterized in that being provided with axle sleeve (34) between described connecting axle (31) and drag ring (33), described axle sleeve (34) is fixedly connected with drag ring (33) with connecting axle (31) respectively.
3. be used for large-scale desk lamp joint mechanism by a kind of described in claim 2, it is characterized in that described axle sleeve (34) and drag ring (33) are one-body molded.
4. be used for large-scale desk lamp joint mechanism by a kind of described in claim 3, it is characterized in that described upper arm connecting hole (12) and/or underarm connecting through hole (21) are counter sink.
5. be used for large-scale desk lamp joint mechanism by a kind of described in claim 1 or 2 or 3 or 4, it is characterized in that described voussoir (4) shows 18 pieces along circular-shaped, concave cavity (11) madial wall circular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704309.4A CN103742880B (en) | 2013-12-19 | 2013-12-19 | A kind of for large-scale desk lamp joint mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704309.4A CN103742880B (en) | 2013-12-19 | 2013-12-19 | A kind of for large-scale desk lamp joint mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103742880A CN103742880A (en) | 2014-04-23 |
| CN103742880B true CN103742880B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310704309.4A Active CN103742880B (en) | 2013-12-19 | 2013-12-19 | A kind of for large-scale desk lamp joint mechanism |
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| Country | Link |
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| CN (1) | CN103742880B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252391A (en) * | 2017-04-24 | 2017-10-17 | 苏州香满四溢健康科技有限公司 | Step-less adjustment joint assembly and moxibustion instrument and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351232A (en) * | 2000-11-01 | 2002-05-29 | 李文华 | Friction block type overrun clutch |
| CN2792861Y (en) * | 2005-04-29 | 2006-07-05 | 田春明 | Angle adjuster of seat in vehicle |
| CN102519024A (en) * | 2011-11-12 | 2012-06-27 | 中山火炬职业技术学院 | Desk lamp joint mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009266547A (en) * | 2008-04-24 | 2009-11-12 | Panasonic Electric Works Co Ltd | Lighting fixture |
-
2013
- 2013-12-19 CN CN201310704309.4A patent/CN103742880B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351232A (en) * | 2000-11-01 | 2002-05-29 | 李文华 | Friction block type overrun clutch |
| CN2792861Y (en) * | 2005-04-29 | 2006-07-05 | 田春明 | Angle adjuster of seat in vehicle |
| CN102519024A (en) * | 2011-11-12 | 2012-06-27 | 中山火炬职业技术学院 | Desk lamp joint mechanism |
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| Publication number | Publication date |
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| CN103742880A (en) | 2014-04-23 |
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Effective date of registration: 20160727 Address after: 528437, Zhongshan District, Guangdong Torch Development Zone, Zhongshan port, 1 first floor B zone Patentee after: Zhongshan Thailand Star Machinery Automation Co. Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong, Ling village, the base 101 Patentee before: ZHONGSHAN JIABEI HARDWARE MOULD CO., LTD. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Xuyong Inventor before: Cheng Guofei |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170717 Address after: 528400 Guangdong city of Zhongshan province Henglan Town Xinfeng Industrial Zone (bridge power supply across the 300 meters in front of left) Patentee after: Zhongshan City Vapai Lighting Co., Ltd. Address before: 528437, Zhongshan District, Guangdong Torch Development Zone, Zhongshan port, 1 first floor B zone Patentee before: Zhongshan Thailand Star Machinery Automation Co. Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181108 Address after: 528437 room 307, 3 building, 7 Zhongshan road 70, Torch Development Zone, Zhongshan, Guangdong. Patentee after: Nakayama Takuchi Intellectual Property Ltd Address before: 528400 Xinfeng Industrial Zone, Heng Lan town, Zhongshan, Guangdong (opposite to the left 300 meters above the bridge head) Patentee before: Zhongshan City Vapai Lighting Co., Ltd. |