CN210181285U - Optical test frame - Google Patents
Optical test frame Download PDFInfo
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- CN210181285U CN210181285U CN201921207332.1U CN201921207332U CN210181285U CN 210181285 U CN210181285 U CN 210181285U CN 201921207332 U CN201921207332 U CN 201921207332U CN 210181285 U CN210181285 U CN 210181285U
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- light
- optical test
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- base
- lens
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- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 230000000712 assembly Effects 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 241001465382 Physalis alkekengi Species 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an optical test frame, which comprises a lens fixing component and a base, wherein two or more guide rods which are parallel to each other are arranged in the middle of the base, and one end of the base is provided with a light source seat; the lens fixing assembly comprises a fixing plate, a bearing and a clamping plate, and a light through hole vertically communicated with the fixing plate is formed in the middle of the fixing plate; the two clamping plates are symmetrically arranged by taking the axis of the light through hole as the center and are arranged in parallel, and the bearing of the lens fixing component is in sliding fit with the guide rod in the base; the clamping plates are provided with two clamping plates which are connected by an adjusting component. The utility model has reasonable structure design, is suitable for optical test of various lamps and lanterns, and can quickly obtain the imaging effect under the working condition of combining a plurality of lenses; the lens clamping plate is connected by the adjusting component, so that accurate coaxial positioning can be rapidly carried out on a plurality of lenses, and the optical testing speed and quality are greatly improved.
Description
Technical Field
The utility model relates to the field of optical technology, especially, relate to an optical test jig.
Background
The modern lamp widely uses the lens to adjust the light emitted by the light source to obtain changeable lighting and imaging effects. In particular, in the application of stage lighting fixtures, two or more lenses are often required to be optically designed in order to obtain high-quality and wide-range illumination and imaging effects. In the prior art, a simple fixture is usually manufactured according to the shapes of various lamps to fix a lens to be tested and then perform an optical test, so that the defects of long manufacturing period, universality and the like exist, and a large amount of time and cost are wasted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an optical test frame sets up the fixed subassembly of lens with adjustable more than two sets of or, is provided with the grip block on the fixed subassembly of lens, can be quick fix the lens that awaits measuring, can be applicable to the optical test of various lamps and lanterns.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides an optical test jig, includes fixed subassembly of lens and base, its characterized in that: two or more parallel guide rods are arranged in the middle of the base, and a light source seat is arranged at one end of the base;
the lens fixing assembly comprises a fixing plate, a bearing and a clamping plate, and a light through hole vertically communicated with the fixing plate is formed in the middle of the fixing plate; a plurality of guide grooves are arranged on the outer side of the light through hole, and the guide grooves are symmetrical around the axis of the light through hole and are arranged in parallel; the two clamping plates are arranged symmetrically and parallel to each other by taking the axis of the light through hole as a center, and the clamping plates are connected with the guide grooves in a sliding manner; the bearing is provided with two or more than two bearings which are fixed at the outer side of the light through hole in parallel, and the axis of the bearing is parallel to the axis of the light through hole;
the lens fixing component is provided with two or more groups, and bearings in the lens fixing component are respectively in sliding fit with the guide rods in the base; the axes of the light through holes of each group of lens fixing assemblies are overlapped and are parallel to the guide rod.
Preferably, the two clamping plates of the lens fixing assembly are connected by using an adjusting assembly, the adjusting assembly comprises a fixed seat and a screw rod, and the fixed seat is positioned between the two clamping plates and fixed outside the light through hole in the fixing plate; the screw comprises a limiting section which is rotatably connected with the fixed seat; a first thread section and a second thread section are respectively arranged on two sides of the limiting section, and threads with the same lead and opposite rotation directions are respectively arranged on the first thread section and the second thread section; the first thread section and the second thread section are respectively in threaded connection with the two clamping plates.
Preferably, the adjusting components are arranged in two groups and are symmetrically arranged on the outer sides of the light through holes respectively.
Preferably, the screws of the two groups of adjusting assemblies are connected through a synchronous belt.
Preferably, one end of the screw rod is provided with a handle.
Preferably, the first thread segment and the second thread segment are both multi-start threads.
Preferably, a scale is arranged on the base.
Preferably, the bearing is a linear ball bearing.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the structure design is reasonable, the optical testing device is suitable for optical testing of various lamps, and the imaging effect under the working condition of combining a plurality of lenses can be quickly obtained;
2. the lens clamping plate is connected by the adjusting component, so that accurate coaxial positioning can be rapidly carried out on a plurality of lenses, and the optical testing speed and quality are greatly improved.
Drawings
Fig. 1 is an overall perspective view of the present invention;
FIG. 2 is a schematic view of a lens holding assembly according to the present invention;
FIG. 3 is a schematic view of the screw of the present invention;
wherein: a lens holding assembly 10; a fixed plate 11; a light passing hole 11 a; a guide groove 11 b; a bearing 12; a clamping plate 13; an adjustment assembly 20; a fixed base 21; a screw 22; a stopper section 22 a; the first thread segments 22 b; the second thread segments 22 c; a handle 22 d; a base 30; a guide rod 31; a light source mount 32; a scale 40; a timing belt 50.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, an optical test rack includes a lens fixing component 10 and a base 30, and is characterized in that: four parallel guide rods 31 are arranged in the middle of the base 30, and a light source seat 32 is arranged at one end of the base 30;
the lens fixing assembly 10 comprises a fixing plate 11, a bearing 12 and a clamping plate 13, wherein a light through hole 11a vertically communicated with the fixing plate 11 is formed in the middle of the fixing plate 11; four guide grooves 11b are arranged on the outer side of the light through hole 11a, and the four guide grooves 11b are arranged symmetrically and parallel to each other by taking the axis of the light through hole 11a as a center; the number of the clamping plates 13 is two, and the two clamping plates 13 are arranged symmetrically and parallel to each other with the axis of the light through hole 11a as the center; the clamping plate 13 is connected with the guide groove 11b in a sliding way; the number of the bearings 12 is two, the two bearings are fixed on the outer side of the light through hole 11a in parallel, and the axis of each bearing 12 is parallel to the axis of the light through hole 11 a;
the lens fixing assemblies 10 are provided with four groups, the bearings 12 of the lens fixing assemblies 10 are respectively connected with the guide rods 31 of the base 30 in a sliding fit manner, and the axes of the light through holes 11a of the lens fixing assemblies 10 are overlapped and parallel to the guide rods 31.
Further, as shown in fig. 1 and 2, the two clamping plates 13 of each lens fixing assembly 10 are connected by using an adjusting assembly 20, the adjusting assembly 20 includes a fixing seat 21 and a screw 22, the fixing seat 21 is located in the middle of the two clamping plates 13 and is fixed on the fixing plate 11 outside the light passing hole 11 a; the screw 22 comprises a limiting section 22a, the limiting section 22a is rotatably connected with the fixing seat 21, a first thread section 22b and a second thread section 22c are respectively arranged on two sides of the limiting section 22a, and threads with the same lead and opposite rotation directions are arranged on the first thread section 22b and the second thread section 22 c; the first threaded section 22b and the second threaded section 22c are respectively in threaded connection with the two clamping plates 13; through the threaded connection with opposite rotation directions, the screw 22 drives the two clamping plates 13 to symmetrically approach or separate from the axis of the light through hole 11a when rotating.
Further, as shown in fig. 1 and 2, the adjusting assemblies 20 of each group of lens fixing assemblies 10 are arranged in two groups, and are symmetrically arranged outside the light passing hole 11 a.
Further, as shown in fig. 3, the screws 22 of the two sets of adjusting assemblies 20 are connected by a timing belt 50; the screw rods 22 in the two sets of adjusting assemblies 20 can be rotated synchronously through a synchronous belt connection.
Further, as shown in fig. 3, a handle 22d is disposed at one end of the screw rod 22; the handle 22d is provided to facilitate manual rotation of the screw 22.
Further, the first thread segments 22b and the second thread segments 22c are multi-start threads; the multi-thread screw can be screwed in quickly and has good self-locking performance.
Further, as shown in fig. 1, a scale 40 is disposed on the base 30, and the scale 40 is used for rapidly identifying the distance between each group of lens fixing assemblies 10 and the distance between the lens fixing assemblies 10 and the light source.
Further, the bearing is a linear ball bearing, and the linear ball bearing can make the movement of the lens fixing assembly 10 more stable.
The mode of operation of this embodiment is as follows:
in this embodiment, the number of lenses to be tested is four, so four sets of lens fixing assemblies 10 are used, and in other embodiments, the number of lens fixing assemblies 10 equal to the number of lenses to be tested may be set according to the number of lenses to be tested.
Firstly, a light source to be measured is placed on a light source seat 32, and the height is adjusted to ensure that the light outlet axis of the light source is superposed with the axis of the light through hole 11 a;
secondly, placing a first lens to be measured between two clamping plates 13 in the first group of lens fixing assemblies 10, then rotating a screw 22 of the adjusting assembly 20, and enabling the two clamping plates 13 to run in opposite directions, so that the clamping plates 13 relatively fix the axis of the lens to be measured and the axis of the light through hole 11a in a superposition manner;
thirdly, referring to the second step, fixing the second, third and fourth lenses to be measured on the second, third and fourth groups of lens fixing assemblies 10 in sequence;
turning on a light source, enabling light rays of the light source to penetrate through the first lens, the second lens, the third lens and the four lenses to be detected and then to be projected onto an imaging plate, pushing the first lens, the second lens, the third lens and the four groups of lenses to move on the guide rod 31 according to imaging requirements, and observing imaging quality;
and fifthly, after the required imaging quality is obtained, reading and recording the distances among the first, second, third and fourth groups of lenses and the distance data between the first, second, third and fourth groups of lenses and the light source on the scale 40 so as to be used for designing the lamp.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.
Claims (8)
1. The utility model provides an optical test jig, includes fixed subassembly of lens and base, its characterized in that: two or more parallel guide rods are arranged in the middle of the base, and a light source seat is arranged at one end of the base;
the lens fixing assembly comprises a fixing plate, a bearing and a clamping plate, and a light through hole vertically communicated with the fixing plate is formed in the middle of the fixing plate; a plurality of guide grooves are arranged on the outer side of the light through hole, and the guide grooves are symmetrical around the axis of the light through hole and are arranged in parallel; the two clamping plates are arranged symmetrically and parallel to each other by taking the axis of the light through hole as a center, and the clamping plates are connected with the guide grooves in a sliding manner; the bearing is provided with two or more than two bearings which are fixed at the outer side of the light through hole in parallel, and the axis of the bearing is parallel to the axis of the light through hole;
the lens fixing component is provided with two or more groups, and bearings in the lens fixing component are respectively in sliding fit with the guide rods in the base; the axes of the light through holes of each group of lens fixing assemblies are overlapped and are parallel to the guide rod.
2. An optical test rack as claimed in claim 1, wherein: the two clamping plates of the lens fixing assembly are connected by using an adjusting assembly, the adjusting assembly comprises a fixed seat and a screw rod, and the fixed seat is positioned between the two clamping plates and is fixed outside a light through hole in the fixing plate; the screw comprises a limiting section which is rotatably connected with the fixed seat; a first thread section and a second thread section are respectively arranged on two sides of the limiting section, and threads with the same lead and opposite rotation directions are respectively arranged on the first thread section and the second thread section; the first thread section and the second thread section are respectively in threaded connection with the two clamping plates.
3. An optical test rack as claimed in claim 2, wherein: the adjusting components are arranged in two groups and are respectively and symmetrically arranged on the outer sides of the light through holes.
4. An optical test rack as claimed in claim 3, wherein: the screw rods of the two groups of adjusting assemblies are connected through a synchronous belt.
5. An optical test rack as claimed in claim 2, wherein: and one end of the screw rod is provided with a handle.
6. An optical test rack as claimed in claim 2, wherein: the first thread segment and the second thread segment are both multi-start threads.
7. An optical test rack as claimed in claim 1, wherein: and a scale is arranged on the base.
8. An optical test rack as claimed in claim 1, wherein: the bearing is a linear ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207332.1U CN210181285U (en) | 2019-07-30 | 2019-07-30 | Optical test frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207332.1U CN210181285U (en) | 2019-07-30 | 2019-07-30 | Optical test frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210181285U true CN210181285U (en) | 2020-03-24 |
Family
ID=69842119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921207332.1U Expired - Fee Related CN210181285U (en) | 2019-07-30 | 2019-07-30 | Optical test frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210181285U (en) |
-
2019
- 2019-07-30 CN CN201921207332.1U patent/CN210181285U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200324 |