CN201697073U - Lamp rotation positioning locking structure - Google Patents
Lamp rotation positioning locking structure Download PDFInfo
- Publication number
- CN201697073U CN201697073U CN2010202397893U CN201020239789U CN201697073U CN 201697073 U CN201697073 U CN 201697073U CN 2010202397893 U CN2010202397893 U CN 2010202397893U CN 201020239789 U CN201020239789 U CN 201020239789U CN 201697073 U CN201697073 U CN 201697073U
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- CN
- China
- Prior art keywords
- linking arm
- screw
- slide block
- locking mechanism
- rotary locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a lamp rotation locking structure in the vertical direction, wherein the lamp tube and the connecting arm of the lamp are locked together through a cylinder and a bowl-shaped spring sheet; in normal state, the lamp and the cylinder are led to rotate around the connecting arm only by rotating the lamp tube; the connecting arm is internally provided with a rotation locking mechanism which can move horizontally through a slide block and drive a press block to move vertically, and the press block structure is driven to move to press the cylinder so as to realize the rotation locking in the vertical direction.
Description
Technical field
The utility model relates to a kind of light fixture at vertical direction rotational positioning latch-up structure, is rotating light fixture when needing the angle of irradiation, only need just can realize that the vertical direction rotational positioning locks rotating the hexagon socket head cap screw half-turn with spanner again.
Background technology
Light trade at home at present, when adjusting the irradiating angle of vertical direction, a kind of is that assurance by shell fragment frictional force realizes down preventing that two parts from relatively rotating, the shortcoming of this mode is too big in frictional force, can not easily rotate, frictional force is too little, the easy offset direction of vibrations, back, location.Another kind is directly to lock two parts by screw to relatively rotate, and the shortcoming of this mode will need repeatedly for a long time tighten the screws could realize inconvenient operation by both hands or instrument.
Summary of the invention
The purpose of utility model provides a kind of when light fixture freely rotates, the location that only need can realize vertical direction with the spanner rotation screw, when using spanner to apply an external force on screw, this screw is rotated, thereby drive and slidingly obliquely to move and then affect briquetting vertically to move soon, make briquetting push down the cylinder of rotation, realize that twist-lock makes the light fixture rotational positioning latch-up structure of light fixture in light rotational positioning of vertical direction and locking.
Technical solution of the present utility model is: described light fixture twist-lock structure, its special character is: realize that by the rotary locking mechanism of suit in the die cavity of the pivot seat of lamp bracket, lamp bracket bottom, the linking arm mechanism that is articulated in lamp bracket pivot seat, linking arm mechanism bottom, the motion that is arranged in rotary locking mechanism and drives rotary locking mechanism screw component, the rotary locking mechanism of twist-lock wear connecting portion that linking arm mechanism bottom is convexly equipped with after the lamp tube that retaining element articulates is formed.
As preferably:
Described rotary locking mechanism is in groove that the pairing sidewall in bottom on slide block, this inclined-plane on inclined-plane is arranged with, the groove by a bottom offers the screw that inserts for screw component; One top is the small bore end that offers a shoulder hole, shoulder hole in the spring of suit in inclined-plane and the inverted U-shaped briquetting that touches with slide block, the inverted U-shaped briquetting intermediate space, the cylinder that is connected with inverted U-shaped briquetting two stays bottom, the cylinder and outwards is convexly equipped with the hollow pivot vertical with cylinder and slide block groove surface along position, the center of circle, is sleeved on bowl-type shell fragment, nut composition on the hollow pivot.
Described screw component is by screw mandrel portion, form with the integrated stepped boss of screw mandrel portion, the stepped boss concentric cap nut that stretches out; The thread of this screw mandrel portion front end is screwed on the slide block, revolves when moving back screw component, because the barrier effect of stepped boss, the thread that makes screw mandrel portion drives slide block moving in the horizontal direction when slide block screws out.
Described linking arm mechanism is by being articulated in the L shaped linking arm of inversion on the lamp bracket pivot seat, being inverted L shaped linking arm and being convexly equipped with through die cavity, linking arm bottom that left linking arm, right linking arm snapping aftershaping are used for ccontaining rotary locking mechanism and offering the screw that inserts for screw on the connecting portion vertical with linking arm, the linking arm sidewall and form.
The beneficial effects of the utility model are:
1, the location is light, accurate on the vertical direction.
2, increase auxiliary rotation friction, locating bias when preventing to shake.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model structure.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 4 is the structural representation of the utility model screw component.
Fig. 5 is the side view of the utility model structure.
Fig. 6 is the D-D cutaway view of Fig. 5.
The primary clustering symbol description:
Lamp bracket 1 pivot seat 11 linking arm mechanisms 2 connecting portions 21 are inverted L shaped linking arm 22
Left side linking arm 221 right linking arm 222 screws 23 rotary locking mechanisms 3 slide blocks 31
Groove 311 screws 312 inverted U-shaped briquetting 32 2 stays 321,322
Screw component 4 screw mandrel portions 41 stepped boss 42 cap nuts 43
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
See also Fig. 1, shown in Figure 3, in the present embodiment, described light fixture twist-lock structure realizes that by the rotary locking mechanism 3 of suit in the die cavity of the pivot seat 11 of lamp bracket 1, lamp bracket 1 bottom, the linking arm mechanism 2 that is articulated in lamp bracket pivot seat 11, linking arm mechanism 2 bottoms, the motion that is arranged in rotary locking mechanism 3 and drives rotary locking mechanism 3 screw component 4, the rotary locking mechanism 3 of twist-lock wear connecting portion 21 that linking arm mechanism 2 bottoms are convexly equipped with after the lamp tube 5 that nut 344 articulates is formed.
See also shown in Figure 4ly, described screw component 4 is by screw mandrel portion 41, form with screw mandrel portion 41 integrated stepped boss 42, the stepped boss 42 concentrics cap nut 43 that stretches out; The thread of these screw mandrel portion 41 front ends is screwed on the slide block 31, revolves when moving back screw component 4, because the barrier effect of stepped boss 42, the thread that makes screw mandrel portion 41 drives slide block 31 moving in the horizontal direction when slide block 31 screws out.
See also Fig. 2, Fig. 3, Fig. 5 and shown in Figure 6, described rotary locking mechanism 3 is in groove 311 that the pairing sidewall in bottom on slide block 31, this inclined-plane on inclined-plane is arranged with, the groove 311 by a bottom offers the screw 312 that inserts for screw component 4; One top is the small bore end that offers a shoulder hole 341, shoulder hole 341 in the spring 33 of suit in inclined-plane and the inverted U-shaped briquetting 32 that touches with slide block 31, inverted U-shaped briquetting 32 intermediate spaces, the cylinder 34 that is connected with inverted U-shaped briquetting 32 2 stays 321,322 bottoms, the cylinder 34 and outwards is convexly equipped with along position, the center of circle with cylinder 34 and 311 vertical hollow pivots 342 of slide block groove, the bowl-type shell fragment 343, the nut 344 that are sleeved on the hollow pivot 342 and forms.
Described linking arm mechanism 2 is by being articulated in the L shaped linking arm 22 of inversion on the lamp bracket pivot seat 11, being inverted L shaped linking arm 22 and being convexly equipped with through die cavity, left linking arm 221, right linking arm 222 bottoms that left linking arm 221, right linking arm 222 snapping aftershapings are used for ccontaining rotary locking mechanism 3 and offering the screw 23 that wears for internal thread member cap nut 43 on the connecting portion vertical with linking arm 21, linking arm 22 sidewalls and form.
Adjust light fixture vertical direction irradiating angle, at first rotate the angle that lamp tube 5 reaches needs irradiation, guarantee that free stepless smoothly rotation is to realize this moment under the assurance of bowl type shell fragment 343 with hand.After the angle of irradiation is determined, only spanner 6 rotation screw caps 43 half-turns need used again, drive is screwed in the rotation of the thread of screw mandrel portion 41 front ends on the slide block 31, thereby drive that slide block 31 moves horizontally and then the changing of the relative positions by the inclined-plane affects inverted U-shaped briquetting 32 vertically to move, finally make inverted U-shaped briquetting 32 push down the cylinder 34 of rotation, realize twist-lock.Like this, the twist-lock of vertical direction just is effective.The screw 51 that lamp tube 5 sidewalls are offered is made waist-shaped hole.With cylinder 34, bowl type shell fragment 343 and hex nut 344 they are locked together simultaneously.
When needs are adjusted angle, can use hand to rotate the angle that lamp tube 5 reaches needs irradiation easily.Screw component 4 front end threads are screwed on the slide block 31, pass left linking arm 221 simultaneously, right linking arm 222 assembles, inverted U-shaped briquetting 32 and spring 33 are assemblied in the die cavity that left linking arm 221, right linking arm 222 snappings form together, inverted U-shaped briquetting 32 is pushed down cylinder 32 simultaneously again.Fasten left linking arm 221 lockings again.6 rotations of screw component 4 usefulness spanners are fallen back on stepped boss 42 withstand the madial wall in linking arm 222 chambeies, adjust bowl dynamics of type shell fragment 343 at last again.
After the angle of needs irradiation is determined, only need to use again outside spanner 6 rotation screw caps 43 half-turns, drive is screwed in the rotation of the screw mandrel portion 41 front end threads on the slide block 31, thereby drive slide block 31 moves horizontally and affects the vertical of inverted U-shaped briquetting 32 to move simultaneously, finally make inverted U-shaped briquetting 32 push down the cylinder 34 of rotation, increase the frictional force of rotating and realize twist-lock.Like this, the twist-lock of vertical direction just is effective.In the time of need adjusting once more, can unclamp by backward rotation screw component cap nut 43, rotate the angle that lamp tube 5 reaches needs irradiation with hand, lock screw member 4 is realized again.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (4)
1. light fixture twist-lock structure is characterized in that: realize that by the rotary locking mechanism of suit in the die cavity of lamp bracket, the pivot seat of lamp bracket bottom, the linking arm mechanism that is articulated in lamp bracket pivot seat, linking arm mechanism bottom, the motion that is arranged in rotary locking mechanism and drives rotary locking mechanism screw component, the rotary locking mechanism of twist-lock wear connecting portion that linking arm mechanism bottom is convexly equipped with after the lamp tube that retaining element articulates is formed.
2. according to the described light fixture twist-lock of claim 1 structure, it is characterized in that: described rotary locking mechanism is in groove that the pairing sidewall in bottom on slide block, this inclined-plane on inclined-plane is arranged with, the groove by a bottom offers the screw that inserts for screw component; One top is the small bore end that offers a shoulder hole, shoulder hole in the spring of suit in inclined-plane and the inverted U-shaped briquetting that touches with slide block, the inverted U-shaped briquetting intermediate space, the cylinder that is connected with inverted U-shaped briquetting two stays bottom, the cylinder and outwards is convexly equipped with the hollow pivot vertical with cylinder and slide block groove surface along position, the center of circle, is sleeved on bowl-type shell fragment, nut composition on the hollow pivot.
3. according to the described light fixture twist-lock of claim 1 structure, it is characterized in that: described screw component is by screw mandrel portion, form with the integrated stepped boss of screw mandrel portion, the stepped boss concentric cap nut that stretches out; The thread of this screw mandrel portion front end is screwed on the slide block, revolves when moving back screw component, because the barrier effect of stepped boss, the thread that makes screw mandrel portion drives slide block moving in the horizontal direction when slide block screws out.
4. according to the described light fixture twist-lock of claim 1 structure, it is characterized in that: described linking arm mechanism is by being articulated in the L shaped linking arm of inversion on the lamp bracket pivot seat, being inverted L shaped linking arm and being convexly equipped with through die cavity, linking arm bottom that left linking arm, right linking arm snapping aftershaping are used for ccontaining rotary locking mechanism and offering the screw that inserts for screw on the connecting portion vertical with linking arm, the linking arm sidewall and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202397893U CN201697073U (en) | 2010-06-28 | 2010-06-28 | Lamp rotation positioning locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202397893U CN201697073U (en) | 2010-06-28 | 2010-06-28 | Lamp rotation positioning locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697073U true CN201697073U (en) | 2011-01-05 |
Family
ID=43398319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202397893U Expired - Fee Related CN201697073U (en) | 2010-06-28 | 2010-06-28 | Lamp rotation positioning locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2631535A1 (en) | 2012-02-27 | 2013-08-28 | Reggiani S.p.A. Illuminazione | LED lighting device |
| CN104121524A (en) * | 2013-04-24 | 2014-10-29 | 欧普照明股份有限公司 | Lighting lamp |
-
2010
- 2010-06-28 CN CN2010202397893U patent/CN201697073U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2631535A1 (en) | 2012-02-27 | 2013-08-28 | Reggiani S.p.A. Illuminazione | LED lighting device |
| CN104121524A (en) * | 2013-04-24 | 2014-10-29 | 欧普照明股份有限公司 | Lighting lamp |
| CN104121524B (en) * | 2013-04-24 | 2017-06-27 | 欧普照明股份有限公司 | A kind of illuminator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20190628 |