CN211696894U - Adjustable lens inspection device - Google Patents
Adjustable lens inspection device Download PDFInfo
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- CN211696894U CN211696894U CN202020642654.5U CN202020642654U CN211696894U CN 211696894 U CN211696894 U CN 211696894U CN 202020642654 U CN202020642654 U CN 202020642654U CN 211696894 U CN211696894 U CN 211696894U
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Abstract
An adjustable lens inspection device comprises a base, a light source, a front lens group, a resolution test board, a rear lens group and a clamping mechanism, wherein the clamping mechanism is arranged on the base and is used for fixing a lens, light emitted by the light source sequentially passes through the front lens group, the resolution test board and the rear lens group and then enters the lens, the lens projects a resolution test pattern onto a display screen after receiving the light, the resolution test board is arranged on the base through a first mounting mechanism, this first installation mechanism includes first mounting panel, adjustable ring, collar, first mounting panel setting is formed with the mounting hole that transversely runs through on the base, the adjustable ring setting on first mounting panel and with the coaxial arrangement of mounting hole, collar magnetism adsorbs on first mounting panel and is located the adjustable ring inboard, the resolution ratio is surveyed the board and is fixed on the collar, be provided with adjusting bolt on the adjustable ring, adjusting bolt's front end top can adjust the position of collar through rotatory adjusting bolt on the collar.
Description
Technical Field
The utility model relates to a camera lens resolution ratio verifying attachment.
Background
The projection lens is an important part of the projector, and the resolution of the projection lens directly affects the imaging quality of the whole projector, so that the resolution detection and screening of the projection lens are required in the production process of the projector. When detecting the resolution of a projection lens in the industry at present, the resolution of the projection lens is generally tested by using optical glass, namely a resolution detection plate, engraved with a resolution detection pattern, so that light rays emitted by a light source sequentially irradiate the resolution detection pattern and the projection lens to be detected and then project the light rays onto a projection screen, and a tester judges the resolution of the projection lens to be detected by observing a projection picture.
Because the resolution detection plate is usually made into a round shape, the resolution detection patterns are symmetrically arranged around the central axis of the resolution detection plate, when the resolution detection plate is placed, the detection patterns often deviate from an irradiation area or an effective area of a lens, the detection plate needs to be detached for many times for correction, and the detection efficiency is seriously influenced; meanwhile, due to the influence of errors caused by a processing process and an assembling process, the position of the resolution detection plate in the detection light path often has certain deviation, so that the imaging quality is influenced, and the lens is misjudged by detection personnel.
Disclosure of Invention
The utility model aims at providing a to the not enough of prior art, provide a can conveniently adjust the camera lens verifying attachment that resolution ratio surveyed the board.
The purpose of the utility model is realized through the following technical scheme:
an adjustable lens inspection device, characterized in that: the device comprises a base, a light source, a front lens group, a resolution test board, a rear lens group and a clamping mechanism, wherein the clamping mechanism is arranged on the base and used for fixing a lens, light emitted by the light source sequentially passes through the front lens group, the resolution test board and the rear lens group and then enters the lens, the lens projects a resolution test pattern onto a display screen after receiving the light, the resolution test board is arranged on the base through a first mounting mechanism, the first mounting mechanism comprises a first mounting plate, an adjusting ring and a mounting ring, the first mounting plate is arranged on the base and provided with a transversely penetrating mounting hole, the adjusting ring is arranged on the first mounting plate and is coaxially arranged with the mounting hole, the mounting ring is magnetically adsorbed on the first mounting plate and is positioned at the inner side of the adjusting ring, the resolution test board is fixed on the mounting ring, adjusting screw holes which are circumferentially distributed and radially, the front end of the adjusting bolt is propped against the mounting ring, and the position of the mounting ring can be adjusted by rotating the adjusting bolt.
The mounting ring comprises a magnetic ring and a fixed ring which are coaxially connected, and the resolution test board is fixed on the fixed ring.
Preceding lens battery passes through first installation sleeve to be installed on first mounting panel, and first installation sleeve is including being used for the installation preceding lens battery's first sleeve and the first flange of setting at first sleeve peripherad, and first flange locking is fixed on the first mounting panel, first sleeve crosses the mounting hole.
The base top surface is provided with the backing plate, and the backing plate top surface is provided with the regulating plate, first mounting panel sets up perpendicularly on the regulating plate, and the regulating plate passes through a plurality of correction bolts locking on the backing plate, thereby can make first mounting panel trace lean forward or pitch-back adjust resolution ratio survey test panel and reach the best state through adjusting correction bolt's elasticity.
The rear lens group is installed on the base through a second installation mechanism, the second installation mechanism comprises a second installation plate and a second installation sleeve, the second installation plate is perpendicularly arranged on the base and is formed with a horizontal through yielding hole, the second installation sleeve comprises a second sleeve crossing the yielding hole and a second flange arranged on the outer peripheral surface of the second sleeve, the second flange is locked and fixed on the second installation plate, and the rear lens group is installed in the second sleeve.
The camera lens front end is provided with the locating plate that is used for the installation, is provided with the locating hole on the locating plate, fixture includes third mounting panel, the first subassembly and the locating pin that compresses tightly, and the third mounting panel sets up perpendicularly on the base, is formed with the breach of stepping down relative with the second flange on the third mounting panel, and the first subassembly that compresses tightly sets up on the third mounting panel, and the locating pin setting is at the preceding terminal surface of second flange, and the locating plate of camera lens laminating second flange's preceding terminal surface makes the locating pin pass the locating hole to compress tightly fixedly through the first subassembly that compresses tightly.
First compress tightly the subassembly and include base, pressure head, handle and connecting rod, the base is fixed to be set up on the third mounting panel, and base, pressure head, handle and connecting rod are articulated each other.
The end surface is provided with the second and compresses tightly the subassembly before the second flange, and the second compresses tightly the subassembly and includes bolt, spring and clamp plate, the screw that is used for the construction bolt is seted up to the end surface before the second flange, and clamp plate movable sleeve establishes on the bolt, and the spring housing is established on the bolt and compressed between the nut of bolt and clamp plate, and the clamp plate can rotate around the bolt, can realize compressing tightly or the release of clamp plate to the locating plate through rotating the clamp plate.
The lens is a reflective wide-angle lens.
The utility model discloses following beneficial effect has:
install the collar magnetism absorption that resolution ratio surveyed the board and be located the adjustable ring inboard on first mounting panel, the adjusting bolt's of adjustable ring front end top is on the collar, can adjust the position of collar through rotatory adjusting bolt, thereby conveniently adjust the position that resolution ratio surveyed the board, first mounting panel sets up perpendicularly on the regulating plate in addition, the regulating plate passes through a plurality of bolt locking on the backing plate, thereby the elasticity through adjusting bolt can make first mounting panel trace lean forward or lean back to survey the board and reach the best state in the resolution ratio survey.
The quick assembly disassembly of camera lens can be realized to terminal surface, locating pin before utilizing the second flange and compress tightly the subassembly to improve inspection efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the clamping mechanism.
FIG. 4 is a schematic structural diagram of the first mounting mechanism.
Detailed Description
Referring to fig. 1 to 4, an adjustable lens inspection apparatus includes a base 1, a light source 7, a front lens group 69, a resolution test board 66, a first mounting mechanism, a rear lens group 54, a second mounting mechanism, and a clamping mechanism.
The base 1 is a plate-shaped structure, four anti-skidding support legs 11 are arranged at the bottom of the base, the light source 7 is installed on the base 1 and comprises an LED lamp used for generating R, G, B light and a heat dissipation module 71, the well-known prior art is not described in detail here, the front lens group 69 and the resolution testing board 66 are installed on the base 1 through a first installation structure, the rear lens group 54 is installed on the base 1 through a second installation structure, the clamping mechanism is arranged on the base and used for fixing the lens 2, the light emitted by the light source 7 sequentially passes through the front lens group 69, the resolution testing board 66 and the rear lens group 54 and then enters the lens, the lens 2 projects a resolution testing pattern onto a display screen after receiving the light, and whether the resolution of the lens 2 reaches the standard is judged by observing the resolution testing.
The first mounting mechanism comprises a first mounting plate 61, an adjusting ring 63 and a mounting ring, wherein the first mounting plate 61 is arranged on a base 1 and is provided with a transversely penetrating mounting hole 611, the top surface of the base 1 is provided with a base plate 68, the base plate 68 is locked on the top surface of the base 1 through bolts, the top surface of the base plate 68 is provided with an adjusting plate 67, the first mounting plate 61 is vertically arranged on the adjusting plate 67 through bolts, the adjusting plate 67 is locked on the base plate 68 through four correcting bolts, a hole position 671 for mounting the correcting bolts is shown in the figure, the first mounting plate 61 can slightly tilt forwards or backwards through adjusting the tightness of the correcting bolts, the adjusting ring 63 is locked on the first mounting plate 61 through bolts and is coaxially arranged with the mounting hole 611, the mounting ring comprises a magnetic ring 64 and a fixing ring 65 which are coaxially connected, the resolution testing plate 66 is fixed on the fixing ring 65, and the magnetic ring 64 is magnetically adsorbed on the first, adjusting ring 63 is provided with adjusting screw holes 631 which are circumferentially distributed and radially extend, adjusting bolts are arranged in adjusting screw holes 631, the front ends of adjusting bolts prop against magnetic ring 64, the positions of magnetic ring 64 can be adjusted by rotating adjusting bolts, and the adjustment of multiple degrees of freedom of resolution test board 66 is realized by the cooperation of adjusting bolts and correcting bolts, so that resolution test board 66 is in the best state.
The front lens group 69 is mounted on the first mounting plate 61 by a first mounting sleeve 62, the first mounting sleeve 62 includes a first sleeve 62a for mounting the front lens group 69 and a first flange 62b provided on an outer peripheral surface of the first sleeve 62a, the first flange 62b is locked and fixed to the first mounting plate 61, and the first sleeve crosses the mounting hole 611.
The second mounting mechanism comprises a second mounting plate 51 and a second mounting sleeve 5, the second mounting plate 51 is vertically arranged on the base 1 and is provided with a transversely penetrating abdicating hole, the second mounting sleeve 5 comprises a second sleeve 5a crossing the abdicating hole and a second flange 5b arranged on the outer peripheral surface of the second sleeve 5a, the second flange 5b is locked and fixed on the second mounting plate 51, the rear lens group 54 is arranged in the second sleeve, the lens 2 is a reflective wide-angle lens, the front end of the reflective wide-angle lens is provided with a positioning plate 21 for mounting, the positioning plate 21 is provided with two positioning holes 211, the clamping mechanism comprises a third mounting plate 34, two first pressing components 3, two second pressing components and two positioning pins 52, the third mounting plate 34 is vertically arranged on the base 1, the third mounting plate 34 is provided with abdicating notches opposite to the second flange 5b, the two first pressing components 3 are symmetrically arranged on the third mounting plate 34 from left to right, the two positioning pins 52 are arranged on the front end surface of the second flange 5b in a left-right symmetry manner, the positioning plate 21 of the lens 2 is attached to the front end surface of the second flange 5b to enable the positioning pins 52 to penetrate through the positioning holes 211, the first pressing component 3 is pressed and fixed through the first pressing component 3, the first pressing component 3 comprises a base 31, a pressure head 32, a handle 33 and a connecting rod 38, the base 31 is fixedly arranged on a third mounting plate 34, the base 31, the pressure head 32, the handle 33 and the connecting rod 38 are hinged with each other through a hinge 36, two second pressing components are arranged on the front end face of the second flange 5b in bilateral symmetry, each second pressing component comprises a bolt 43, a spring 42 and a pressing plate 41, a screw hole for mounting the bolt 43 is formed in the front end face of the second flange 5b, the pressing plate 41 is movably sleeved on the bolt 43, the spring 42 is sleeved on the bolt 43 and compressed between a nut of the bolt 43 and the pressing plate 41, the pressing plate 41 can rotate around the bolt 43, and pressing or releasing of the pressing plate 41 on the positioning plate 21 can be realized.
The specific test mode is as follows: the pressing head 32 is opened by operating the handle 33, the pressing plate 41 is swung to be in a state of releasing the positioning plate 21, the reflective wide-angle lens 2 is placed on the top surface of the base 1, the positioning plate 21 is attached to the front end surface of the second flange 5b, the positioning pin 52 penetrates through the positioning hole 211, then the pressing head 32 presses the positioning plate 21 by operating the handle 33, the pressing plate 41 is swung to press the positioning plate 21 by the pressing plate 41, then the light source 7 is started, light generated by the light source 7 sequentially passes through the front lens group 69, the resolution test plate 66 and the rear lens group 54 and then enters the lens, the lens 2 projects a resolution test pattern onto a display screen after receiving the light, and whether the resolution of the lens 2 reaches the standard is judged.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (9)
1. An adjustable lens inspection device, characterized in that: the device comprises a base, a light source, a front lens group, a resolution test board, a rear lens group and a clamping mechanism, wherein the clamping mechanism is arranged on the base and used for fixing a lens, light emitted by the light source sequentially passes through the front lens group, the resolution test board and the rear lens group and then enters the lens, the lens projects a resolution test pattern onto a display screen after receiving the light, the resolution test board is arranged on the base through a first mounting mechanism, the first mounting mechanism comprises a first mounting plate, an adjusting ring and a mounting ring, the first mounting plate is arranged on the base and provided with a transversely penetrating mounting hole, the adjusting ring is arranged on the first mounting plate and is coaxially arranged with the mounting hole, the mounting ring is magnetically adsorbed on the first mounting plate and is positioned at the inner side of the adjusting ring, the resolution test board is fixed on the mounting ring, adjusting screw holes which are circumferentially distributed and radially, the front end of the adjusting bolt is propped against the mounting ring, and the position of the mounting ring can be adjusted by rotating the adjusting bolt.
2. An adjustable lens inspection device as claimed in claim 1, wherein: the mounting ring comprises a magnetic ring and a fixed ring which are coaxially connected, and the resolution test board is fixed on the fixed ring.
3. An adjustable lens inspection device as claimed in claim 1, wherein: preceding lens battery passes through first installation sleeve to be installed on first mounting panel, and first installation sleeve is including being used for the installation preceding lens battery's first sleeve and the first flange of setting at first sleeve peripherad, and first flange locking is fixed on the first mounting panel, first sleeve crosses the mounting hole.
4. An adjustable lens inspection device as claimed in claim 1, wherein: the base top surface is provided with the backing plate, and the backing plate top surface is provided with the regulating plate, first mounting panel sets up perpendicularly on the regulating plate, and the regulating plate passes through a plurality of correction bolts locking on the backing plate, thereby can make first mounting panel trace lean forward or pitch-back adjust resolution ratio survey test panel and reach the best state through adjusting correction bolt's elasticity.
5. An adjustable lens inspection device as claimed in any one of claims 1 to 4, wherein: the rear lens group is installed on the base through a second installation mechanism, the second installation mechanism comprises a second installation plate and a second installation sleeve, the second installation plate is perpendicularly arranged on the base and is formed with a horizontal through yielding hole, the second installation sleeve comprises a second sleeve crossing the yielding hole and a second flange arranged on the outer peripheral surface of the second sleeve, the second flange is locked and fixed on the second installation plate, and the rear lens group is installed in the second sleeve.
6. An adjustable lens inspection device as claimed in claim 5, wherein: the camera lens front end is provided with the locating plate that is used for the installation, is provided with the locating hole on the locating plate, fixture includes third mounting panel, the first subassembly and the locating pin that compresses tightly, and the third mounting panel sets up perpendicularly on the base, is formed with the breach of stepping down relative with the second flange on the third mounting panel, and the first subassembly that compresses tightly sets up on the third mounting panel, and the locating pin setting is at the preceding terminal surface of second flange, and the locating plate of camera lens laminating second flange's preceding terminal surface makes the locating pin pass the locating hole to compress tightly fixedly through the first subassembly that compresses tightly.
7. An adjustable lens inspection device as claimed in claim 6, wherein: first compress tightly the subassembly and include base, pressure head, handle and connecting rod, the base is fixed to be set up on the third mounting panel, and base, pressure head, handle and connecting rod are articulated each other.
8. An adjustable lens inspection device as claimed in claim 6, wherein: the front end face of the second flange is provided with a second pressing assembly, the second pressing assembly comprises a bolt, a spring and a pressing plate, a screw hole used for installing the bolt is formed in the front end face of the second flange, the pressing plate is movably sleeved on the bolt, and the spring is sleeved on the bolt and compressed between a nut of the bolt and the pressing plate.
9. An adjustable lens inspection device as claimed in any one of claims 1 to 4, wherein: the lens is a reflective wide-angle lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642654.5U CN211696894U (en) | 2020-04-24 | 2020-04-24 | Adjustable lens inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642654.5U CN211696894U (en) | 2020-04-24 | 2020-04-24 | Adjustable lens inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211696894U true CN211696894U (en) | 2020-10-16 |
Family
ID=72783065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020642654.5U Active CN211696894U (en) | 2020-04-24 | 2020-04-24 | Adjustable lens inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211696894U (en) |
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2020
- 2020-04-24 CN CN202020642654.5U patent/CN211696894U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221114 Address after: 344799 Building B7, School Furniture Industrial Park, Nancheng County, Fuzhou City, Jiangxi Province Patentee after: Jiangxi Xingchi Electronic Technology Co.,Ltd. Address before: 362000 no.463 Chonghong street, Quanzhou Economic and Technological Development Zone, Fujian Province Patentee before: Quanzhou Ruichi Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |