CN209013121U - A kind of focal length of lens regulating device and its lamps and lanterns - Google Patents
A kind of focal length of lens regulating device and its lamps and lanterns Download PDFInfo
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- CN209013121U CN209013121U CN201822235201.6U CN201822235201U CN209013121U CN 209013121 U CN209013121 U CN 209013121U CN 201822235201 U CN201822235201 U CN 201822235201U CN 209013121 U CN209013121 U CN 209013121U
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- pillar
- focal length
- adjusting bracket
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Abstract
The utility model relates to lighting technical fields, more particularly to a kind of focal length of lens regulating device and its lamps and lanterns, including fixed bracket and adjusting bracket, the fixed bracket with light source for matching, the adjusting bracket with lens for matching, the adjusting bracket is mobilizable to be arranged on the fixed bracket, in the adjusting bracket, relative to the fixed bracket, there are active paths, at least there are lighting positions on the active path, when the adjusting bracket is located at different lighting positions, light source emit beam after the lens formed illumination spot shape it is different.The focal length of lens regulating device of the application, pass through activity of the adjusting bracket on fixed bracket, the relative position between lens and light source is set to change, since at least there are two lighting positions on active path, make light source emit beam after the lens formed illumination spot shape it is different, it so realizes the adjustment to illumination light shape of spot, improves lamps and lanterns applicability.
Description
Technical field
The utility model relates to lighting technical fields, and in particular to a kind of focal length of lens regulating device and its lamps and lanterns.
Background technique
In lighting technical field, in order to make lamps and lanterns output meet illumination need light field, it usually needs setting lens or
Person's reflector is adjusted by the light that each optical surface on lens or reflector issues light source, what light source issued
Light beam is projected after lens or reflector, according to design optical path with same or different angle, then illuminates position in design
The place of setting forms the illumination spot for meeting design requirement.
Although above-mentioned lamps and lanterns, which are capable of forming, meets the illumination spot that design is wanted, in actual use, still also deposit
In deficiency, be characterized in particular in: current lamps and lanterns are merely able to form single illumination spot in illumination region, illumination spot
Shape is not adjustable, and different illumination spots cannot be provided according to different demands, so needing to design a kind of realization illumination at present
The fitting structure that hot spot is adjusted.
Summary of the invention
The purpose of this utility model is that: the deficiency not being adjustable for the illumination spot of current fitting structure provides one
Kind can be realized the fitting structure of illumination spot adjusting.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of focal length of lens regulating device, including fixed bracket and adjusting bracket, the fixed bracket are used for and light source phase
Cooperation, for matching with lens, the adjusting bracket is mobilizable to be arranged on the fixed bracket adjusting bracket,
There are active paths relative to the fixed bracket for the adjusting bracket, and at least there are illumination positions on the active path
It sets, when the adjusting bracket is located at different lighting positions, light source emits beam the formed illumination spot after the lens
Shape is different.
The focal length of lens regulating device of the application, in actual use, by activity of the adjusting bracket on fixed bracket,
The relative position between lens and light source is set to change, due to, at least there are two lighting positions, making on active path
Light source emit beam after the lens formed illumination spot shape it is different, so realize the tune to illumination light shape of spot
It is whole, improve lamps and lanterns applicability.
Preferably, the adjusting bracket is configured to: described when the adjusting bracket moves on its active path
The movement routine of mirror and the optical axis of lens are parallel.In this way, so that in the moving process of lens, optical axis position
Always constant, so, in adjusting bracket moving process, the Uniform Illumination hot spot for obtaining more Multiple Shape that can be more convenient,
It is further to improve lamps and lanterns applicability.
Preferably, it is provided with pillar on the fixed bracket, is provided with cunning in the corresponding adjusting bracket of the pillar
Slot is slidably matched between the pillar and the sliding slot.By being slidably matched for pillar and sliding slot, adjusting bracket and solid is realized
The adjusting of relative position between fixed, and then realize the adjustment to lens position.
Preferably, it is additionally provided with several holding sections on the sliding slot, is spaced apart between adjacent holding section, the engaging
It is separable cooperation between portion and the pillar.By the way that the cooperation of holding section and pillar is arranged, adjusting bracket is consolidated in realization
Fixed, the holding section of different location corresponds to hot spot of different shapes, so, holding section can be set according to actual facula needs
It sets in corresponding position, in this way, further facilitating the adjustment of hot spot.
As a preference, the holding section is the notch being arranged on the sliding slot, the pillar is the bullet of open-close type
Property component, when the pillar is slided along the sliding slot, the pillar is elastic squeezed state, when the pillar slides into the card
When conjunction portion, the pillar is flicked and is fastened on the notch.
As another preferred embodiment, the sliding slot position of the pillar and/or adjusting bracket is elastically deformable elastic material system
, the holding section is the notch being arranged on the sliding slot, when the pillar sliding slot relatively slides, the pillar
And/or there are flexible deformations at the sliding slot position of adjusting bracket, and when the pillar slides into the holding section, the pillar
And/or sliding slot flexible deformation is restored, and is fastened in the notch.
Preferably, the sliding slot is the arc shape around lens axis.It is on the one hand to be conducive to adjust using the sliding slot of arc shape
The reliability connected between section bracket and fixed bracket, on the other hand, but also the position adjustment to lens is more steady, into one
Step facilitates the adjustment of lens position.
Preferably, pressure ring is additionally provided on the adjustment bracket, the pressure ring removably connects with the adjustment bracket
It connects, when the pressure ring is connect with the adjustment bracket, is formed between adjustment bracket and the pressure ring for clamping lens
Grasping part.
Preferably, several convex blocks are additionally provided on the pressure ring, the convex block is uniformly distributed around the circumferencial direction of the pressure ring.
By the way that convex block is arranged, in actual use, when needing to adjust lens, can be cooperated by external tool and convex block, i.e.,
It can be rotated adjusting bracket, and then realize the adjustment to lens position.
Preferably, the light resource installing section for installing light source is provided on the fixed bracket.
Disclosed herein as well is a kind of lamps and lanterns using said lens focal length adjustment device,
A kind of lamps and lanterns further include lens and light source including above-mentioned mirror focal length adjustment device, on the exit facet of the lens
It is provided with several annular protrusions circular around lens axis.Annular protrusion is set on the exit facet of lens, respectively encloses annular protrusion
Coaxial arrangement, light is after annular protrusion, in the radially intersection of lens, in this way, when lens are moved along optical axis direction, though
The shape of right hot spot changes, but light can be but distributed again, it is ensured that hot spot it is uniform, avoid the occurrence of such as conventional lenses
The problem of dark areas of structure formation or excessively bright areas；So the lamps and lanterns of the application, are capable of providing the light of various shapes
Spot has excellent applicability.
In conclusion by adopting the above-described technical solution, the beneficial effect of the application is:
The focal length of lens regulating device of the application, in actual use, by activity of the adjusting bracket on fixed bracket,
The relative position between lens and light source is set to change, due to, at least there are two lighting positions, making on active path
Light source emit beam after the lens formed illumination spot shape it is different, so realize the tune to illumination light shape of spot
It is whole, improve lamps and lanterns applicability；
The lamps and lanterns of the application are capable of providing the illumination spot of various shapes, have excellent applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application focal length of lens regulating device；
Fig. 2 is the schematic cross-sectional view of the application focal length of lens regulating device；
Fig. 3 is support bracket fastened structural schematic diagram；
Fig. 4 is the structural schematic diagram of adjusting bracket,
Marked in the figure: 1-fixed bracket, 2- adjusting bracket, 3- pillar, 4- sliding slot, the holding section 5-, 6- pressure ring, 7- convex block,
8- lens, 9- light source, A- optical axis.
Specific embodiment
Lower region is described in detail the utility model in conjunction with attached drawing.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Specific embodiment: as shown in Figs 1-4,
A kind of focal length of lens regulating device, including fixed bracket 1 and adjusting bracket 2, the fixed bracket 1 is used for and light source
9 match, and the adjusting bracket 2 with lens 8 for matching, and the mobilizable setting of adjusting bracket 2 is in the fixed branch
On frame 1, in the adjusting bracket 2, relative to the fixed bracket 1, there are active paths, at least deposit on the active path
There is lighting position, when the adjusting bracket 2 is located at different lighting positions, light source 9 emits beam institute's shape after the lens 8
It is different at the shape of illumination spot.
8 focal length adjustment device of lens of the application passes through work of the adjusting bracket 2 on fixed bracket 1 in actual use
It is dynamic, so that the relative position between lens 8 and light source 9 is changed, since at least there are two illumination positions on active path
It sets, so that light source 9 is emitted beam after the lens 8, the shape of formed illumination spot is different, so realizes to illumination spot shape
The adjustment of shape improves lamps and lanterns applicability.
As preferred embodiment, the adjusting bracket 2 is configured to: when the adjusting bracket 2 is in its active path
When upper mobile, the movement routine of the lens 8 and the optical axis A of lens 8 are parallel.In this way, so that the shifting of lens 8
During dynamic, optical axis location A is constant always, so, in 2 moving process of adjusting bracket, can be more convenient obtain more
The Uniform Illumination hot spot of Multiple Shape, it is further to improve lamps and lanterns applicability.
As preferred embodiment, it is provided with pillar 3 on the fixed bracket 1, the corresponding adjusting of the pillar 3
It is provided with sliding slot 4 on bracket 2, is slidably matched between the pillar 3 and the sliding slot 4.Pass through the sliding of pillar 3 and sliding slot 4
Cooperation realizes the adjusting of relative position between adjusting bracket 2 and fixation, and then realizes the adjustment to 8 position of lens.
As preferred embodiment, several holding sections 5, the interval of adjacent holding section 5 are additionally provided on the sliding slot 4
It opens up and sets, be separable cooperation between the holding section 5 and the pillar 3.By the way that the cooperation of holding section 5 and pillar 3 is arranged,
Realize the fixation to adjusting bracket 2, the holding section 5 of different location corresponds to hot spot of different shapes, so, it can be according to reality
Hot spot needs, and holding section 5 is arranged in corresponding position, in this way, further facilitating the adjustment of hot spot.
As a preferred embodiment, the holding section 5 is the notch being arranged on the sliding slot 4, the pillar 3
For the elastic component of open-close type, when the pillar 3 is slided along the sliding slot 4, the pillar 3 is elastic squeezed state, when described
When pillar 3 slides into the holding section 5, the pillar 3 is flicked and is fastened on the notch.
As another preferred embodiment, 4 position of sliding slot of the pillar 3 and/or adjusting bracket 2 is can elasticity change
Shape elastic material is made, and the holding section 5 is the notch being arranged on the sliding slot 4, in the relatively described sliding slot 4 of the pillar 3
When sliding, 4 position of sliding slot of the pillar 3 and/or adjusting bracket 2 there are flexible deformation, when the pillar 3 slide into it is described
When holding section 5, the pillar 3 and/or 4 flexible deformation of sliding slot are restored, and are fastened in the notch.
As preferred embodiment, the sliding slot 4 is the arc shape around 8 optical axis A of lens.Using the sliding slot 4 of arc shape,
It on the one hand is the reliability for being conducive to connect between adjusting bracket 2 and fixed bracket 1, on the other hand, but also to the position of lens 8
It is more steady to set adjustment, further facilitates the adjustment of 8 position of lens.
As preferred embodiment, pressure ring 6, the pressure ring 6 and the adjustment are additionally provided on the adjustment bracket
Bracket removably connects, and when the pressure ring 6 is connect with the adjustment bracket, is formed between the adjustment bracket and pressure ring 6
There is the grasping part for clamping lens 8.
As preferred embodiment, several convex blocks 7 are additionally provided on the pressure ring 6, the convex block 7 is around the pressure ring
6 circumferencial direction is uniformly distributed.When needing to adjust lens 8, outside can be passed through in actual use by the way that convex block 7 is arranged
Tool and convex block 7 cooperate, i.e. rotatably adjusting bracket 2, and then adjustment of the realization to 8 position of lens.
As preferred embodiment, 9 mounting portion of light source for installing light source 9 is provided on the fixed bracket 1.
A kind of lamps and lanterns further include lens 8 and light source 9, the outgoing of the lens 8 including above-mentioned mirror focal length adjustment device
Several annular protrusions circular around 8 optical axis A of lens are provided on face.Annular protrusion, each ring are set on the exit facet of lens 8
The coaxial arrangement of shape protrusion, light is after annular protrusion, in the radially intersection of lens 8, in this way, in lens 8 along the direction optical axis A
When mobile, although the shape of hot spot changes, light can be but distributed again, it is ensured that hot spot it is uniform, avoid the occurrence of
The problem of dark areas or mistake bright areas for being formed such as 8 structure of conventional lenses；So the lamps and lanterns of the application, are capable of providing more
The hot spot of kind shape, has excellent applicability.
Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, to the greatest extent
Pipe this specification has been carried out detailed description to the utility model referring to above-mentioned each embodiment, but the utility model not office
It is limited to above-mentioned specific embodiment, therefore any pair of the utility model is modified or equivalent replacement；And all do not depart from invention
Spirit and scope technical solution and its improvement, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of focal length of lens regulating device, which is characterized in that be used for including fixed bracket and adjusting bracket, the fixed bracket
It is matched with light source, for matching with lens, the adjusting bracket is mobilizable to be arranged in the fixation adjusting bracket
On bracket, in the adjusting bracket, relative to the fixed bracket, there are active paths, at least deposit on the active path
There is lighting position, when the adjusting bracket is located at different lighting positions, light source emits beam to be formed after the lens
The shape of illumination spot is different.
2. focal length of lens regulating device according to claim 1, which is characterized in that the adjusting bracket is configured to: when
For the adjusting bracket when moving on its active path, the movement routine of the lens and the optical axis of lens are parallel.
3. focal length of lens regulating device according to claim 2, which is characterized in that be provided with branch on the fixed bracket
Column is provided with sliding slot in the corresponding adjusting bracket of the pillar, is slidably matched between the pillar and the sliding slot.
4. focal length of lens regulating device according to claim 3, which is characterized in that be additionally provided on the sliding slot several
Holding section is spaced apart between adjacent holding section, is separable cooperation between the holding section and the pillar.
5. focal length of lens regulating device according to claim 4, which is characterized in that the holding section is to be arranged in the cunning
Notch on slot, the pillar is the elastic component of open-close type, and when the pillar is slided along the sliding slot, the pillar is elasticity
Squeezed state, when the pillar slides into the holding section, the pillar is flicked and is fastened on the notch.
6. focal length of lens regulating device according to claim 4, which is characterized in that the pillar and/or adjusting bracket
Sliding slot position is made for elastically deformable elastic material, and the holding section is the notch being arranged on the sliding slot, in the branch
When the column sliding slot relatively slides, there are flexible deformations at the sliding slot position of the pillar and/or adjusting bracket.
7. focal length of lens regulating device described in -5 any one according to claim 1, which is characterized in that in the adjustment bracket
On be additionally provided with pressure ring, the pressure ring is removably connect with the adjustment bracket, and the pressure ring is connect with the adjustment bracket
When, the grasping part for clamping lens is formed between the adjustment bracket and pressure ring.
8. focal length of lens regulating device according to claim 7, which is characterized in that, if being additionally provided on the pressure ring
Dry convex block, the convex block are uniformly distributed around the circumferencial direction of the pressure ring.
9. focal length of lens regulating device according to claim 8, which is characterized in that be provided with and be used on the fixed bracket
The light resource installing section of light source is installed.
10. a kind of lamps and lanterns, which is characterized in that including focal length of lens regulating device described in any one of claim 1-9, also wrap
Lens and light source are included, several annular protrusions circular around lens axis are provided on the exit facet of the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235201.6U CN209013121U (en) | 2018-12-28 | 2018-12-28 | A kind of focal length of lens regulating device and its lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235201.6U CN209013121U (en) | 2018-12-28 | 2018-12-28 | A kind of focal length of lens regulating device and its lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209013121U true CN209013121U (en) | 2019-06-21 |
Family
ID=66844297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822235201.6U Active CN209013121U (en) | 2018-12-28 | 2018-12-28 | A kind of focal length of lens regulating device and its lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209013121U (en) |
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2018
- 2018-12-28 CN CN201822235201.6U patent/CN209013121U/en active Active
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