CN105805703B - A kind of shadowless lamp dimming mechanism - Google Patents
A kind of shadowless lamp dimming mechanism Download PDFInfo
- Publication number
- CN105805703B CN105805703B CN201410850538.1A CN201410850538A CN105805703B CN 105805703 B CN105805703 B CN 105805703B CN 201410850538 A CN201410850538 A CN 201410850538A CN 105805703 B CN105805703 B CN 105805703B
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- lamp
- body component
- lamp body
- dimming mechanism
- fixture
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses a kind of shadowless lamp dimming mechanisms, including pressing plate, lamp fixture, lamp body component, spring pressuring plate.Lamp fixture is a plate-shaped member, and pressing plate is installed in the top of lamp fixture.The surface of pressing plate includes multiple to install the lamp holder of the lamp body component, and lamp holder is through-hole structure.The outer surface of lamp body component is equipped with small circular shaft, and top is conical structure, and the top of lamp body component is movably installed in lamp holder, and gradient changes with the lifting of pressing plate.The bottom end of spring pressuring plate is fixed on small circular shaft, and top is fixed on lamp body component, and intermediate portion is fixed on lamp fixture.In the above-mentioned technical solutions, the shadowless lamp dimming mechanism of the present invention uses the structure of knockdown lamp fixture, make shadowless lamp dimming mechanism that there is more flexible regulating mechanism, and the light source of each lamp body component can converge to central point or do circular expansion with central point.
Description
Technical field
The present invention relates to a kind of medical instruments, more specifically to a kind of shadowless lamp dimming mechanism.
Background technology
Operation shadowless lamp is used for illuminating operative site, most preferably to observe the small of in notch and body cavity different depth
, the object that contrast is low.Since the head, hand and instrument of operator may interfere shade to operative site, thus
Operation shadowless lamp should just be designed to eliminate shade as possible, and can color distortion be preferably minimized degree.In addition, operation shadowless lamp
Continue working, because overheat can make operator uncomfortable, it can also be able to must also make to be in outer without giving out excessive heat for a long time
Tissue drying in section's operative region.
Operation shadowless lamp is generally made of single or multiple lamp caps, is to be scheduled on cantilever, can do vertical or loopy moving, is hanged
Arm is generally connected on fixed colligator, and can be rotated round it.Operation shadowless lamp is using sterilizable handle or sets disinfection
Hoop bend make flexible positioning, and have the function of self-actuating brake and stop manipulating its positioning, in the upper surface of operative site and week
It encloses, keeps suitable space.The fixing device of operation shadowless lamp can be placed on the fixed point on ceiling or wall, can also pacify
It sets on the track of ceiling.
The development experience of operation shadowless lamp by multihole lamp, single reflection operation shadowless lamp, it is multistage focus operation shadowless lamp,
LED operation shadowless lamps etc..
More popular also porous multi-focus operation shadowless lamp external at present, this is the operation shadowless lamp of current higher-end,
In addition, currently increasingly mature LED operation shadowless lamps are with its gorgeous moulding, permanent service life and natural cold light
Effect and energy saving concept gradually enter into the visual field of people.
The dimming mechanism of traditional LED operation shadowless lamps is characterized in：
1, lamp body component is fixed on one piece of bottom plate, lamp bottom plate raise and reduce change angle reach adjust hot spot it is big
It is small.
2, lamp body component is fixation point by rows, and changing angle by pull rod reaches adjusting spot size.
The shortcomings that features described above is：Each lamp body component cannot converge to central point, the light that this two kinds of regulating mechanisms come out
Spot is non-round or similar round.
Invention content
Defect existing in terms of for operation shadowless lamp structure existing in the prior art, light modulation, the purpose of the present invention is
A kind of shadowless lamp dimming mechanism is provided.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of shadowless lamp dimming mechanism, including pressing plate, lamp fixture, lamp body component, spring pressuring plate.Lamp fixture is
The top of one plate-shaped member, lamp fixture is installed by pressing plate.The surface of pressing plate includes multiple to install the lamp holder of lamp body component,
Lamp holder is through-hole structure.The outer surface of lamp body component is equipped with small circular shaft, is conical structure, lamp body component at the top of lamp body component
Top be movably installed in lamp holder, gradient changes with the lifting of pressing plate.Roundlet is fixed in the bottom end of spring pressuring plate
On axis, top is fixed on lamp body component, and intermediate portion is fixed on lamp fixture.
An embodiment according to the present invention, further includes screw column, nut, pressing spring, and screw column is fixed on lamp fixture
On, pressing plate is sleeved on screw column, and by nut check, and pressing spring is equipped between screw column and lamp fixture.
The light source of an embodiment according to the present invention, each lamp body component can converge to central point or do circle with central point
Expansion.
An embodiment according to the present invention, spring pressuring plate, which is pressed on lamp body component, allows lamp body component to incline toward the direction
Tiltedly, when there is external force to be more than spring pressuring plate, lamp body component tilts in the opposite direction.
An embodiment according to the present invention, pressing plate and lamp fixture form flexible and pressure soft combination.
An embodiment according to the present invention further includes goods of furniture for display rather than for use, draw piece, and the top of goods of furniture for display rather than for use is fixed on lamp fixture, separately
One end can be connected to the middle upper end of goods of furniture for display rather than for use with swing, draw piece
An embodiment according to the present invention, further includes slotted disk, inner rack, pinion gear, and inner rack is fixed on slotted disk, small tooth
Wheel is engaged with inner rack.
An embodiment according to the present invention, further includes handle, and handle links with pinion gear.
An embodiment according to the present invention, further includes connecting rod, and connecting rod is connected with draw piece, and connecting rod includes pulley, slotted disk packet
Four inner groovies are included, pulley is embedded in inner groovy.
As soon as embodiment according to the present invention, the rotating forward of handle drives the forward movement of connecting rod, reversion to drive connecting rod backward
It is mobile.
In the above-mentioned technical solutions, shadowless lamp dimming mechanism of the invention uses the structure of knockdown lamp fixture,
Make shadowless lamp dimming mechanism that there is more flexible regulating mechanism, and the light source of each lamp body component can converge to central point or in
Heart point does circular expansion.
Description of the drawings
Fig. 1 is the front view of shadowless lamp dimming mechanism of the present invention；
Fig. 2 is the side view of shadowless lamp dimming mechanism of the present invention；
Fig. 3 is the sectional view of shadowless lamp dimming mechanism of the present invention；
Fig. 4 is the structural schematic diagram of lamp body component；
Fig. 5 is the structural schematic diagram of slotted disk；
Fig. 6 is the isometric front view of shadowless lamp dimming mechanism of the present invention；
Fig. 7 is the rear isometric view of shadowless lamp dimming mechanism of the present invention.
Specific implementation mode
The technical solution further illustrated the present invention with reference to the accompanying drawings and examples.
Referring to FIG. 1, FIG. 2 and FIG. 3, the present invention discloses a kind of shadowless lamp dimming mechanism, main composition part have handle 1,
Pinion gear 2, inner rack 3, slotted disk 4, connecting rod 5, draw piece 6, goods of furniture for display rather than for use 7, pressing plate 8, lamp body component 9, pressing spring 10, lamp fixture
11, screw column 12, spring pressuring plate 13, nut 14 etc..It is described in detail the structure and its connection relation of above-mentioned all parts below.
As shown in Figure 1, Figure 2 and Figure 3, lamp fixture 11 is a plate-shaped member, the top installation pressure of lamp fixture 11
Plate 8, the surface of pressing plate 8 include multiple to install the lamp holder of lamp body component 9, and lamp holder is through-hole structure.
As depicted in figs. 1 and 2, screw column 12 is fixed on lamp fixture 11, and pressing plate 8 is sleeved on screw column 12, and
It is locked by nut 14, pressing spring 10 is equipped between screw column 12 and lamp fixture 11.Specifically, screw column 12 is fixed on
On lamp fixture 11, then pressing plate 8 is sleeved on screw column, then loads onto pressing spring 10, then screw on nut 14, such pressing plate
8 and lamp fixture 11 be formed that one flexible and the soft combination of pressure.
With continued reference to Fig. 1 and Fig. 2, the combination of goods of furniture for display rather than for use 7 and draw piece 6 is housed in pressing plate 8 and lamp fixture 11, goods of furniture for display rather than for use 7
Top is fixed on lamp fixture 11, and the other end can be connected to the middle upper end of goods of furniture for display rather than for use 7 with swing, draw piece 6.It is specific next
It says, one end of goods of furniture for display rather than for use 7 is fixed on lamp fixture 11, and the other end can be connected to swing, draw piece 6 in goods of furniture for display rather than for use 7
End drives the movement of goods of furniture for display rather than for use 7 when draw piece 6 moves forward and backward, since one end of goods of furniture for display rather than for use 7 is fixed on lamp fixture 11, no
Can be moved forward and backward can only rotate, and when draw piece 6 moves forward and backward, the goods of furniture for display rather than for use 7 of gearing can only do the swing with angle, so
7 another endpoint of goods of furniture for display rather than for use on lamp fixture 11 has just played variation with 11 relative altitude of lamp fixture, when goods of furniture for display rather than for use 7 and lamp
When having fixing piece 11 into 90 degree of right angles, goods of furniture for display rather than for use upper end size at a distance from lamp fixture 11 is the largest, when less than 90 degree or
Can all it become smaller apart from size at 90 degree greatly, when goods of furniture for display rather than for use 7 and lamp fixture 11 are at 90 degree, pressing plate 8 and lamp fixture 11
It since the effect of spring is amplified therewith, otherwise reduces, so draw piece 6 is connected with connecting rod 5, when handle positive and negative rotation
When, pressing plate 8 produces corresponding variation, the high or low variation for producing size to the height of lamp fixture 11.
As shown in Figure 1, Figure 2 and Figure 4, lamp body component 9 is mountable in lamp holder, and outer surface is equipped with small circular shaft, top
Portion is conical structure, and the top of lamp body component 9 is movably installed in lamp holder, and gradient changes with the lifting of pressing plate.
The bottom end of spring pressuring plate 13 is fixed on small circular shaft, and top is fixed on lamp body component, and intermediate portion is fixed on lamps and lanterns and is fixed
On part 11.
Specifically, lamp body component 9 is combined with spring leaf 13, and lamp body component 9 is placed on the fixed position of lamp fixture 11
On, i.e. the position of lamp holder, the cone on lamp body component 9 and specific aperture (i.e. lamp holder) single-sided lamination on pressing plate 8, and patch
Together in the opposite of spring pressuring plate 13.Then spring pressuring plate 13 is assembled into the corresponding position on lamp fixture 11, spring pressure
The both sides of piece 13 are pressed on two small circular shafts of lamp body component 9, it is allowed slightly to fix, and lamp body component 9 can swing, spring
The shrapnel of centre one of tabletting 13 is pressed on lamp body component 9, and lamp body component 9 cannot be swung, and can only incline toward the direction
Tiltedly, when there is external force lamp body component 9 or to be tilted in the opposite direction when being more than spring pressuring plate 13, i.e., when the pressure on pressing plate 8 is more than bullet
When spring tabletting 13, each lamp body component 9 will be tilted towards 13 direction of spring pressuring plate, on the contrary then opposite.
As shown in Figure 3 and Figure 5, inner rack 3 is fixed on slotted disk 4, and pinion gear 2 is engaged with inner rack 3, handle 1 and small tooth
2 linkage of wheel.Connecting rod 5 links with slotted disk 4, and is also connected with draw piece 6 comprising pulley, slotted disk 4 include four inner groovies, and pulley is embedding
Enter in inner groovy.1 positive and negative rotation of handle drive pinion gear 2, positive and negative rotation pinion gear drive inner rack 3, inner rack positive and negative rotation,
Inner rack is fixed on slotted disk 4, and slotted disk and internal tooth synchronous rotary, the rotation of slotted disk have driven the movement of connecting rod 5, and connecting rod is with cunning
The inner groovy of one embedded slotted disk of wheel, the inner groovy of slotted disk has four, respectively there are four operating point, the characteristics of every groove all
Identical, there are one deviation, this deviation is exactly at center of the groove Origin And Destination from slotted disk on slotted disk for connecting rod 5
One movement value, so the positive and negative rotation of handle translates into the back-and-forth motion of connecting rod 5.
As shown in Figure 6 and Figure 7, shadowless lamp dimming mechanism of the invention reaches light by adjusting spot size when in use
Strong and weak optimum efficiency, as long as positive and negative rotation operation handle when adjusting, you can reach required optically focused illumination, operation is extremely square
Just.
In conclusion it is the adjustable shadowless lamp dimming mechanism of complete set, each lamp that above-mentioned all parts, which combine,
The light source of body component 9 can converge to central point or do circular expansion with central point.LED chip can be with comparatively small electric current
Reach desired illumination, prolongs the service life.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (10)
1. a kind of shadowless lamp dimming mechanism, which is characterized in that including：
Pressing plate, lamp fixture, lamp body component, spring pressuring plate；
The lamp fixture is a plate-shaped member, and the pressing plate is installed in the top of the lamp fixture；
The surface of the pressing plate includes multiple to install the lamp holder of the lamp body component, and the lamp holder is through-hole structure；
The outer surface of the lamp body component is equipped with small circular shaft, and the top of lamp body component is conical structure, the lamp body component
Top be movably installed in the lamp holder, gradient changes with the lifting of the pressing plate；
The bottom end of the spring pressuring plate is fixed on the small circular shaft, and top is fixed on the lamp body component, intermediate portion
It is fixed on the lamp fixture.
2. a kind of shadowless lamp dimming mechanism as described in claim 1, which is characterized in that further include screw column, nut, pressure bullet
Spring, the screw column are fixed on the lamp fixture, and the pressing plate is sleeved on the screw column, and pass through the nut
Locking is equipped with the pressing spring between the screw column and the lamp fixture.
3. a kind of shadowless lamp dimming mechanism as described in claim 1, which is characterized in that the light source of each lamp body component can converge
Circular expansion is done to central point or with central point.
4. a kind of shadowless lamp dimming mechanism as described in claim 1, which is characterized in that spring pressuring plate is pressed on lamp body component and allows
Lamp body component tilts toward the direction, and when there is external force to be more than spring pressuring plate, lamp body component tilts in the opposite direction.
5. a kind of shadowless lamp dimming mechanism as described in claim 1, which is characterized in that pressing plate and lamp fixture are formed with bullet
The soft combination of property and pressure.
6. a kind of shadowless lamp dimming mechanism as claimed in claim 2, which is characterized in that further include goods of furniture for display rather than for use, draw piece, the goods of furniture for display rather than for use
Top be fixed on the lamp fixture, the other end can be connected to swing, the draw piece in the goods of furniture for display rather than for use
End.
7. a kind of shadowless lamp dimming mechanism as claimed in claim 6, which is characterized in that further include slotted disk, inner rack, small tooth
Wheel, the inner rack are fixed on the slotted disk, and the pinion gear is engaged with the inner rack.
8. a kind of shadowless lamp dimming mechanism as claimed in claim 7, which is characterized in that further include handle, the handle and institute
State pinion gear linkage.
9. a kind of shadowless lamp dimming mechanism as claimed in claim 8, which is characterized in that further include connecting rod, the connecting rod and institute
It states draw piece to be connected, connecting rod includes pulley, and the slotted disk includes four inner groovies, and the pulley is embedded in the inner groovy.
10. a kind of shadowless lamp dimming mechanism as claimed in claim 8, which is characterized in that the rotating forward of handle just drives connecting rod
It moves forward, reversion drives connecting rod to move backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850538.1A CN105805703B (en) | 2014-12-31 | 2014-12-31 | A kind of shadowless lamp dimming mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850538.1A CN105805703B (en) | 2014-12-31 | 2014-12-31 | A kind of shadowless lamp dimming mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805703A CN105805703A (en) | 2016-07-27 |
| CN105805703B true CN105805703B (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410850538.1A Active CN105805703B (en) | 2014-12-31 | 2014-12-31 | A kind of shadowless lamp dimming mechanism |
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| CN112664875A (en) * | 2020-12-29 | 2021-04-16 | 曹隆福 | LED panel light convenient and rapid to install |
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| Publication number | Publication date |
|---|---|
| CN105805703A (en) | 2016-07-27 |
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