CN103742881B - Joint mechanism for small table lamp - Google Patents
Joint mechanism for small table lamp Download PDFInfo
- Publication number
- CN103742881B CN103742881B CN201310712154.9A CN201310712154A CN103742881B CN 103742881 B CN103742881 B CN 103742881B CN 201310712154 A CN201310712154 A CN 201310712154A CN 103742881 B CN103742881 B CN 103742881B
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- Prior art keywords
- underarm
- upper arm
- circular
- shaped
- concave cavity
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Abstract
The invention discloses a joint mechanism for a small table lamp. An upper arm is provided with the circular concave chamber; a lower arm is fixedly connected with an elastic friction rotating device which comprises an arc-shaped elastic piece; the arc-shaped elastic piece is embedded into the circular concave chamber and the inner side wall of the circular concave chamber is extruded; the upper arm and the lower arm can only rotate relatively when the friction force of the arc-shaped elastic piece and the inner side wall of the circular concave chamber is overcome; the stepless rotational adjustment of the upper arm can be performed relative to the lower arm to achieve the adjustment of the height of the table lamp. The joint mechanism for the small table lamp has the advantage of being simple in structure.
Description
[technical field]
The present invention relates to desk lamp bindiny mechanism, especially one kind are used for small lamp articulation mechanism.
[background technology]
With the continuous improvement of the demand for desk lamp for the people and use requirement, the height for lamp holder adjusts also to become at present
Focus for current field of desk.Regulative mode generally for small lamp is as securing member using screw, typically exists
When adjusting lamp holder height, first screw piece is unclamped, after regulating, then fasten, can significantly see this regulation side
Formula is very loaded down with trivial details, and due to can not accomplish immediately to adjust, so that lamp stand adjusts very inconvenient, the work(that lamp holder is adjusted
Can be utilized effectively.
The present invention is directed to the not enough research of present technology and proposes.
[content of the invention]
The technical problem to be solved in the present invention is to provide one kind to be used for small lamp articulation mechanism, and it is circular recessed that upper arm is provided with one
Chamber, underarm is fixedly connected with elastic-friction tumbler, and elastic-friction tumbler includes arc spring lamination, and arc spring lamination embeds circle
In shape cavity, and extrude circular-shaped, concave cavity madial wall, when overcoming the frictional force of arc spring lamination and circular-shaped, concave cavity madial wall, upper arm with
Underarm just can relatively rotate, and upper arm can rotate regulation relative to underarm is stepless, to realize the height of adjustable desk lamp, has structure letter
Single feature.
For solving above-mentioned technical problem, the present invention is a kind of to be used for small lamp articulation mechanism, joins including upper arm with upper arm
Close underarm that is connecting and can rotating relative to upper arm, described upper arm front is provided with circular-shaped, concave cavity, described underarm is fixedly connected
Flexible frictional rotation device, described elastic-friction tumbler one end is rotated with upper arm and is connected, and described elastic-friction rotates dress
Put in embedded circular-shaped, concave cavity, and extrude circular-shaped, concave cavity madial wall to increase frictional force；Described elastic-friction tumbler include with
The connecting shaft that underarm is fixedly connected, in described connecting shaft, fixed cover is connected to axle sleeve, described axle sleeve lower end circumferentially arranged with some with
The arc spring lamination of circular-shaped, concave cavity madial wall CONTACT WITH FRICTION；When overcoming the frictional force of arc spring lamination and circular-shaped, concave cavity madial wall, on
Arm can be relative to the stepless height rotating regulation, realizing adjustable desk lamp of underarm.
Described connecting shaft one end is provided with the shaft shoulder, and the other end is provided with threaded connection hole, and the described upper arm back side is provided with recessed with circle
Chamber connection for the upper arm connecting hole being connected that is rotatably assorted with connecting shaft, described underarm be provided with underarm connect through hole, described under
Arm is connected through hole and is fixedly connected connecting shaft with underarm by screw with threaded connection hole.
Described arc spring lamination includes rubbing surface, and described rubbing surface is arcwall face.
Described axle sleeve and arc spring lamination are integrally formed.
Described upper arm connecting hole and/or underarm connect through hole for counter sink.
Described arc spring lamination is 8.
The present invention is a kind of to be used for small lamp articulation mechanism, and upper arm is provided with a circular-shaped, concave cavity, and underarm is fixedly connected flexible
Frictional rotation device, elastic-friction tumbler includes arc spring lamination, and arc spring lamination embeds in circular-shaped, concave cavity, and extrudes circular recessed
Chamber inner sidewall, when overcoming the frictional force of arc spring lamination and circular-shaped, concave cavity madial wall, upper arm and underarm just can relatively rotate, upper arm
Regulation can be rotated relative to underarm is stepless, to realize the height of adjustable desk lamp, there is the simple feature of structure.
[brief description]
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
Fig. 3 is the structural representation of upper arm in the present invention.
Fig. 4 is the structural representation of underarm in the present invention.
Fig. 5 is the attachment structure schematic diagram of bottom bracket axle of the present invention and arc spring lamination.
Fig. 6 is the structural representation of connecting shaft in the present invention.
Fig. 7 is the explosive view of the present invention.
[specific embodiment]
Below in conjunction with the accompanying drawings embodiments of the present invention are elaborated.
The present invention is a kind of to be used for small lamp articulation mechanism, including upper arm 1 and be connected with upper arm 1 and can relative on
The underarm 2 that arm 1 rotates, described upper arm 1 front is provided with circular-shaped, concave cavity 11, described underarm 2 is fixedly connected with elastic-friction and turns
Dynamic device 3, described elastic-friction tumbler 3 one end is rotated with upper arm 1 and is connected, and described elastic-friction tumbler 3 embeds circle
In shape cavity 11, and extrude circular-shaped, concave cavity 11 madial wall to increase frictional force；Described elastic-friction tumbler 3 includes and underarm
The connecting shaft 31 that 2 are fixedly connected, in described connecting shaft 31, fixed cover is connected to axle sleeve 32, if described axle sleeve 32 lower end circumferentially arranged with
The dry arc spring lamination 33 with circular-shaped, concave cavity 11 madial wall CONTACT WITH FRICTION；When the friction overcoming arc spring lamination and circular-shaped, concave cavity madial wall
During power, upper arm can be relative to the stepless height rotating regulation, realizing adjustable desk lamp of underarm.
Described connecting shaft 31 one end is provided with the shaft shoulder 311, and the other end is provided with threaded connection hole 312, and described upper arm 1 back side is provided with
With circular-shaped, concave cavity 11 connection for the upper arm connecting hole 12 being connected that is rotatably assorted with connecting shaft 31, described underarm 2 is provided with underarm
Connect through hole 21, described underarm connection through hole 21 and threaded connection hole 312 pass through screw 34 and connect fixing to connecting shaft 31 and underarm 2
Connect.
Described arc spring lamination 33 includes rubbing surface 331, and described rubbing surface 331 is arcwall face.
Described axle sleeve 32 and arc spring lamination 33 are integrally formed.
Described upper arm connecting hole 12 and underarm connect through hole 21 for counter sink, or upper arm connecting hole 12 and underarm connection are led to
One of hole 21 is counter sink.
Described arc spring lamination 33 is 8, and all of arc spring lamination 33 constitutes spirality together, and upper wall 1 is relative with underarm 2 to be turned
When dynamic, accordingly rotate along this hand of spiral；According to design needs, can arrange varying number arc spring lamination 33, work as arc
Shape shell fragment 33 increase when, need to overcome the frictional force between arc spring lamination 33 and circular-shaped, concave cavity 11 madial wall then to increase so that on
The load that arm 1 can carry with underarm 2 also increases.
Claims (6)
1. a kind of for small lamp articulation mechanism it is characterised in that include upper arm (1) and be connected with upper arm (1) and can
The underarm (2) rotating relative to upper arm (1), described upper arm (1) front is provided with circular-shaped, concave cavity (11), and described underarm (2) is upper to fix
It is connected with elastic-friction tumbler (3), described elastic-friction tumbler (3) one end is rotated with upper arm (1) and is connected, described bullet
Frottage tumbler (3) embeds in circular-shaped, concave cavity (11), and extrudes circular-shaped, concave cavity (11) madial wall to increase frictional force；Described
Elastic-friction tumbler (3) includes the connecting shaft (31) being fixedly connected with underarm (2), and described connecting shaft (31) is upper fixedly sleeved
There is axle sleeve (32), described axle sleeve (32) lower end is circumferentially arranged with some and circular-shaped, concave cavity (11) madial wall CONTACT WITH FRICTION arc bullet
Piece (33)；
When overcoming the frictional force of arc spring lamination (33) and circular-shaped, concave cavity (11) madial wall, upper arm (1) can with respect to underarm (2) no
Level rotates and adjusts, and realizes the height of adjustable desk lamp.
2. one kind as described in claim 1 is used for small lamp articulation mechanism it is characterised in that described connecting shaft (31) one end sets
There is the shaft shoulder (311), the other end is provided with threaded connection hole (312), described upper arm (1) back side is provided with and is connected with circular-shaped, concave cavity (11)
For the upper arm connecting hole (12) being connected that is rotatably assorted with connecting shaft (31), described underarm (2) is provided with underarm and connects through hole (21),
Described underarm connects through hole (21) to be fixed connecting shaft (31) even with underarm (2) by screw (34) with threaded connection hole (312)
Connect.
3. one kind as described in claim 2 is used for small lamp articulation mechanism it is characterised in that described arc spring lamination (33) includes
Rubbing surface (331), described rubbing surface (331) is arcwall face.
4. as described in claim 3 a kind of for small lamp articulation mechanism it is characterised in that described axle sleeve (32) and arc bullet
Piece (33) is integrally formed.
5. as described in claim 4 a kind of for small lamp articulation mechanism it is characterised in that described upper arm connecting hole (12) and/
Or underarm connects through hole (21) for counter sink.
6. as described in Claims 2 or 3 or 4 or 5 a kind of for small lamp articulation mechanism it is characterised in that described arc spring lamination
(33) it is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712154.9A CN103742881B (en) | 2013-12-19 | 2013-12-19 | Joint mechanism for small table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712154.9A CN103742881B (en) | 2013-12-19 | 2013-12-19 | Joint mechanism for small table lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103742881A CN103742881A (en) | 2014-04-23 |
| CN103742881B true CN103742881B (en) | 2017-01-18 |
Family
ID=50499929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310712154.9A Active CN103742881B (en) | 2013-12-19 | 2013-12-19 | Joint mechanism for small table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103742881B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954968A (en) * | 2017-04-24 | 2017-07-18 | 浙江陀曼精密机械有限公司 | A kind of seat with eye light adjusting device |
| CN112211956A (en) * | 2020-10-30 | 2021-01-12 | 上海通用重工集团有限公司 | Damping shaft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6094797A (en) * | 1992-03-16 | 2000-08-01 | Aircraft Parts Corporation | Apparatus and method for installing a starter-generator on an aircraft engine |
| CN101793288A (en) * | 2009-10-30 | 2010-08-04 | 宋健 | Rotary flexible shaft supporting tube with support blades having inclined triangular-arc sections |
| CN102519024A (en) * | 2011-11-12 | 2012-06-27 | 中山火炬职业技术学院 | Desk lamp joint mechanism |
| CN203656853U (en) * | 2013-12-19 | 2014-06-18 | 中山市加贝五金模具有限公司 | Joint mechanism of miniature desk lamp |
-
2013
- 2013-12-19 CN CN201310712154.9A patent/CN103742881B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6094797A (en) * | 1992-03-16 | 2000-08-01 | Aircraft Parts Corporation | Apparatus and method for installing a starter-generator on an aircraft engine |
| CN101793288A (en) * | 2009-10-30 | 2010-08-04 | 宋健 | Rotary flexible shaft supporting tube with support blades having inclined triangular-arc sections |
| CN102519024A (en) * | 2011-11-12 | 2012-06-27 | 中山火炬职业技术学院 | Desk lamp joint mechanism |
| CN203656853U (en) * | 2013-12-19 | 2014-06-18 | 中山市加贝五金模具有限公司 | Joint mechanism of miniature desk lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103742881A (en) | 2014-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mai Jinhua Inventor before: Cheng Guofei |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170417 Address after: 528400 Guangdong Xiaolan Town, Western Union, the performance of the road, No. 8, No. Patentee after: Zhongshan City Bailiwei Lamp Decoration Co., Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong, Ling village, the base 101 Patentee before: ZHONGSHAN JIABEI HARDWARE MOULD CO., LTD. |