CN209102986U - A kind of varifocal imaging mechanism of video display lamps and lanterns - Google Patents
A kind of varifocal imaging mechanism of video display lamps and lanterns Download PDFInfo
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- CN209102986U CN209102986U CN201920015797.0U CN201920015797U CN209102986U CN 209102986 U CN209102986 U CN 209102986U CN 201920015797 U CN201920015797 U CN 201920015797U CN 209102986 U CN209102986 U CN 209102986U
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Abstract
The utility model discloses a kind of varifocal imaging mechanisms of video display lamps and lanterns, including inner cylinder, rotatable outer cylinder is set with outside the inner cylinder, the outer tube inner wall is provided with two symmetrical straights, two oblique through slots are provided on the inner cylinder, tight shot component is provided in the inner cylinder, the axis that is slidably connected is respectively arranged in two oblique through slots, one end of the axis that is slidably connected is connect with the straight, and can be moved along the straight, the other end of the axis that is slidably connected is fixedly connected with the tight shot component.The mobile accuracy of the utility model is high, light leakage, structure be not simple, convenient for operation.
Description
Technical field
The utility model relates to video display fixture technical field, specially a kind of varifocal imaging mechanism of video display lamps and lanterns.
Background technique
It in stage performance and movies-making, needs to apply to video display lamp to illuminate and reach certain light effects, leads to
Crossing video display lamp helps to show the content of program, embodies the creation intention of author, expresses artistic environment, and makes spectators, takes the photograph
Shadow machine or video camera obtain correct color perception and exposure, and video display lamps and lanterns have change light velocity diffusion angle and light soft mostly
With the function of degree color, and it is equipped with focusing, diaphragm, colour filter Jia Deng mechanism, traditional varifocal imaging lamps and lanterns all use front and back
The mode of manual direct pull eyeglass is focused, and the mode mobile accuracy of this manual direct pull eyeglass is poor, customer experience
Difference, while the phenomenon that be easy to appear light leakage, and will lead to that structure is complicated by shading mode, it is difficult to it operates.
Therefore, it needs to be equipped with a kind of mobile accuracy height, leakage problem, easy-operating varifocal imaging mechanism is not present.
Utility model content
The utility model is in view of the above-mentioned problems of the prior art, provide a kind of mobile accuracy height, not light leakage, structure
Simply, convenient for the varifocal imaging mechanism of the video display lamps and lanterns of operation.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of zoom of video display lamps and lanterns
Imaging mechanism, including inner cylinder, the inner cylinder are set with rotatable outer cylinder outside, and the outer tube inner wall is provided with two symmetrically
Straight, be provided with two oblique through slots on the inner cylinder, be provided with tight shot component in the inner cylinder, two it is described tiltedly
The axis that is slidably connected is respectively arranged in through slot, one end of the axis that is slidably connected is connect with the straight, and can be along described
Straight is mobile, and the other end of the axis that is slidably connected is fixedly connected with the tight shot component.
Further: two oblique through slots are symmetrically disposed on the inner cylinder, and the direction of two oblique through slots
On the contrary.
Further: the tight shot component includes tight shot and mounting base, and the tight shot is fixedly mounted on
In the mounting base, the other end of the axis that is slidably connected is fixedly connected with the mounting base.
Further: the axis that is slidably connected is screw shaft.
Further: one end of the outer cylinder and inner cylinder is connected with circle of confusion, one end of the inner cylinder and the circle of confusion
Inner wall connection, be provided with first sliding groove on the outer wall of the circle of confusion, be provided on the inner wall of described outer cylinder one end with it is described
One end of compatible first sliding block of first sliding groove, the outer cylinder is connected to described dissipate by first sliding block and first sliding groove
On aperture outer wall.
Further: the other end of the outer cylinder and inner cylinder is connected with fixed-focus connector, the other end of the inner cylinder and institute
The inner wall connection of fixed-focus connector is stated, is provided with second sliding slot on the outer wall of the fixed-focus connector, the outer cylinder other end
Be provided with the second sliding block compatible with the second sliding slot on inner wall, the other end of the outer cylinder by second sliding block and
Second sliding slot is connected on the fixed-focus connector.
Further: ring is located at the inner wall at the outer cylinder both ends respectively for first sliding block and the second sliding block.
The utility model has the beneficial effects that
Compared with prior art, straight is arranged by the inner wall in outer cylinder, oblique through slot is set on the inner cylinder, is tiltedly being led to
The axis that is slidably connected is set in slot, and the axis one end that is slidably connected is connect with straight, the other end and tight shot of the axis that is slidably connected
Component is fixedly connected, and is cooperated by straight and oblique through slot, is effectively realized the accurate movement of tight shot component 3, is mentioned
The mobile accuracy of high tight shot component, and when outer cylinder is not stopped moving by the axis 4 that under the driving effect of external force, is slidably connected
It is dynamic, tight shot component is locked in corresponding position to realize, convenient for operation, structure is simple, using inner barrel and outer barrel, can prevent
Leak-stopping light.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section view；
Fig. 3 is outer tube structure schematic diagram；
Fig. 4 is inner tube structure schematic diagram.
In figure: 1- inner cylinder, the oblique through slot of 11-, 2- outer cylinder, 21- straight, the first sliding block of 22-, the second sliding block of 23-, 3- are fixed
Zoom lens component, 31- tight shot, 32- mounting base, 4- are slidably connected axis, 5- circle of confusion, 6- fixed-focus connector.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of varifocal imaging mechanism embodiment structural representation of video display lamps and lanterns is provided as Figure 1-Figure 4 for the utility model
Figure: including inner cylinder 1, it is set with rotatable outer cylinder 2 outside inner cylinder 1,2 inner wall of outer cylinder is provided with two symmetrical straights
21, two oblique through slots 11 are provided on inner cylinder 1, two oblique through slots 11 are symmetrically disposed on inner cylinder 1, and two oblique through slots 11
It is contrary, it is provided with tight shot component 3 in inner cylinder 1, is respectively arranged with the axis 4 that is slidably connected in two oblique through slots 11, slides
One end of connecting shaft 4 is connect with straight 21, and can be moved along straight 21, the other end and fixed-focus of the axis 4 that is slidably connected
Lens assembly 3 is fixedly connected, and tight shot component 3 includes tight shot 31 and mounting base 32, and tight shot 31 is fixedly mounted on
In mounting base 32, the other end for the axis 4 that is slidably connected is fixedly connected with mounting base 32, and the axis 4 that is slidably connected is screw shaft；
One end of outer cylinder 2 and inner cylinder 1 is connected with circle of confusion 5, and one end of inner cylinder 1 is connect with the inner wall of circle of confusion 5, circle of confusion
It is provided with first sliding groove on 5 outer wall, the first sliding block 22 compatible with first sliding groove is provided on the inner wall of 2 one end of outer cylinder,
One end of outer cylinder 2 is connected on 5 outer wall of circle of confusion by the first sliding block 22 and first sliding groove, and the other end of outer cylinder 2 and inner cylinder 1 connects
It is connected to fixed-focus connector 6, the other end of inner cylinder 1 connect with the inner wall of fixed-focus connector 6, is arranged on the outer wall of fixed-focus connector 6
Have second sliding slot, be provided with the second sliding block 23 compatible with second sliding slot on the inner wall of 2 other end of outer cylinder, outer cylinder 2 it is another
End is connected on fixed-focus connector 6 by the second sliding block 23 and second sliding slot, and ring is set respectively for the first sliding block 22 and the second sliding block 23
Inner wall at 2 both ends of outer cylinder.
In use, rotation outer cylinder 2, when rotation, the first sliding block 22 cooperates with first sliding groove, the second sliding block 23 and second
Sliding slot cooperates, and since the one end for the axis 4 that is slidably connected is connect with the straight 21 on 2 inner wall of outer cylinder, be slidably connected axis 4
The other end is fixedly connected with the mounting base 32 of tight shot component 3, and the axis 4 that is slidably connected is screw shaft, when outer cylinder 2 rotates, outside
While cylinder 2 drives the axis 4 that is slidably connected to move along straight 21, the axis 4 that is slidably connected is slided along oblique through slot 11, and drives fixed-focus
Component 3 is moved along oblique through slot 11, is moved horizontally so that tight shot component 3 be made to realize in the effective range of oblique through slot 11, real
The zoom of existing optical system, is cooperated by the oblique through slot 11 on the straight 21 and inner cylinder 1 of 2 inner wall of outer cylinder, effectively real
The accurate movement of existing tight shot component 3, improves the mobile accuracy of tight shot component 3, and when stop operating outer cylinder 2 when,
Outer cylinder 2 is not stopped movement by the axis 4 that under the driving effect of external force, is slidably connected, and locks tight shot component 3 to realize
In corresponding position, convenient for operation, structure is simple, and tight shot component 3 is arranged in inner cylinder 1, and outer cylinder is arranged with outside inner cylinder 1
2, by inner cylinder 1 and outer cylinder 2, light leakage can be prevented.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (7)
1. a kind of varifocal imaging mechanism of video display lamps and lanterns, it is characterised in that: including inner cylinder (1), being set with outside the inner cylinder (1) can
The outer cylinder (2) of rotation, outer cylinder (2) inner wall are provided with two symmetrical straights (21), set on the inner cylinder (1)
Two oblique through slots (11) are equipped with, are provided with tight shot component (3) in the inner cylinder (1), are divided in two oblique through slots (11)
It is not provided with the axis that is slidably connected (4), one end of the axis that is slidably connected (4) is connect with the straight (21), and can be along institute
Straight (21) movement is stated, the other end of the axis that is slidably connected (4) is fixedly connected with the tight shot component (3).
2. a kind of varifocal imaging mechanism of video display lamps and lanterns according to claim 1, it is characterised in that: two oblique through slots
(11) it is symmetrically disposed on the inner cylinder (1), and two oblique through slots (11) is contrary.
3. a kind of varifocal imaging mechanism of video display lamps and lanterns according to claim 2, it is characterised in that: the tight shot component
It (3) include tight shot (31) and mounting base (32), the tight shot (31) is fixedly mounted on the mounting base (32), institute
The other end for stating the axis that is slidably connected (4) is fixedly connected with the mounting base (32).
4. a kind of varifocal imaging mechanism of video display lamps and lanterns according to claim 2, it is characterised in that: the axis that is slidably connected
It (4) is screw shaft.
5. a kind of varifocal imaging mechanism of video display lamps and lanterns according to claim 4, it is characterised in that: the outer cylinder (2) and interior
One end of cylinder (1) is connected with circle of confusion (5), and one end of the inner cylinder (1) is connect with the inner wall of the circle of confusion (5), described to dissipate
It is provided with first sliding groove on the outer wall of aperture (5), is provided on the inner wall of described outer cylinder (2) one end and is mutually fitted with the first sliding groove
One end of the first sliding block (22) matched, the outer cylinder (2) is connected to described dissipate by first sliding block (22) and first sliding groove
On aperture (5) outer wall.
6. a kind of varifocal imaging mechanism of video display lamps and lanterns according to claim 5, it is characterised in that: the outer cylinder (2) and interior
The other end of cylinder (1) is connected with fixed-focus connector (6), the inner wall of the other end of the inner cylinder (1) and the fixed-focus connector (6)
It connects, is provided with second sliding slot on the outer wall of the fixed-focus connector (6), is provided on the inner wall of outer cylinder (2) other end
The second sliding block (23) compatible with the second sliding slot, the other end of the outer cylinder (2) by second sliding block (23) and
Second sliding slot is connected on the fixed-focus connector (6).
7. a kind of varifocal imaging mechanism of video display lamps and lanterns according to claim 6, it is characterised in that: first sliding block (22)
Ring is located at the inner wall at the outer cylinder (2) both ends respectively with the second sliding block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015797.0U CN209102986U (en) | 2019-01-05 | 2019-01-05 | A kind of varifocal imaging mechanism of video display lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015797.0U CN209102986U (en) | 2019-01-05 | 2019-01-05 | A kind of varifocal imaging mechanism of video display lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102986U true CN209102986U (en) | 2019-07-12 |
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ID=67163782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920015797.0U Active CN209102986U (en) | 2019-01-05 | 2019-01-05 | A kind of varifocal imaging mechanism of video display lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102986U (en) |
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2019
- 2019-01-05 CN CN201920015797.0U patent/CN209102986U/en active Active
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