CN210719636U - Adjusting mechanism for detecting optical performance of portable endoscope - Google Patents
Adjusting mechanism for detecting optical performance of portable endoscope Download PDFInfo
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- CN210719636U CN210719636U CN201921944937.9U CN201921944937U CN210719636U CN 210719636 U CN210719636 U CN 210719636U CN 201921944937 U CN201921944937 U CN 201921944937U CN 210719636 U CN210719636 U CN 210719636U
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Abstract
The utility model discloses an adjusting mechanism for detecting optical performance of a portable endoscope, which comprises an optical flat plate, a front-back moving mechanism and an endoscope clamping mechanism which are arranged on the optical flat plate, a background lamp box which is arranged on the front-back moving mechanism, a left-right moving mechanism which is arranged at the top of the background lamp box, and an up-down moving mechanism which is arranged on the left-right moving mechanism, wherein a detector seat which is arranged on the up-down moving mechanism and is used for fixing a resolution plate is arranged, the detector seat is arranged in front of the background lamp box, and the endoscope clamping; the utility model provides an adjustment mechanism for portable endoscope optical property detects has characteristics such as small, simple structure, portable to can reduce adjusting error, obtain accurate testing result.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to an adjustment mechanism for portable endoscope optical property detects.
Background
The endoscope detection system is a test system for performing performance parameters such as visual field inspection, image quality inspection, color rendering index measurement, illumination uniformity measurement, comprehensive light effect measurement, relative distortion and the like on an endoscope, and is used for clamping the endoscope by using a clamping device at all times during detection and adjusting the relative position between the endoscope and a resolution plate as required.
At present, the detection aspect of the optical performance of the medical endoscope at home and abroad is still in an immature state; the existing equipment for detecting the optical performance of the endoscope has the defects of large volume, complex structure, incapability of adapting to various endoscopes of different types, complex operation and large adjustment error, and easily causes the problem of inaccurate detection result.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current technical defect, provide an automatic regulating mechanism for endoscope optical property detects, have characteristics small, simple structure to can reduce accommodate error, obtain accurate testing result.
In order to solve the technical problem, the utility model provides an adjustment mechanism for portable endoscope optical property detects, include the optics flat board, locate back-and-forth movement mechanism and endoscope fixture on the optics flat board, locate back-and-forth movement mechanism upper end is used for the background lamp house of fixed side mark board, fixes locating the detector adjustment mechanism of background lamp house upper end, back-and-forth movement mechanism is used for driving the background lamp house and carries out the back-and-forth movement, the detector adjustment mechanism goes up to slide and is equipped with the detector seat that is used for the fixed resolution ratio board, just the detector seat is arranged in the place ahead of background lamp house, endoscope fixture arranges in the place ahead of detector seat.
Furthermore, the detector adjusting mechanism comprises a left-right moving mechanism fixedly arranged at the upper end of the background lamp box and an up-down moving mechanism arranged on the left-right moving mechanism, the detector base is arranged on the up-down moving mechanism, the left-right moving mechanism is used for driving the up-down moving mechanism to move left and right, and the up-down moving mechanism is used for driving the detector base to move up and down.
Furthermore, the back-and-forth movement mechanism comprises a first base plate fixedly arranged on the optical flat plate, a first ball screw rotatably arranged on the first base plate, a first nut matched with the first ball screw, two first guide rails respectively arranged at two sides of the first ball screw, and a first sliding block matched with the first guide rails, the back-and-forth movement mechanism further comprises a first hand wheel in transmission connection with the first ball screw through a coupler, and the bottom end of the background lamp box is fixedly arranged on the first sliding block and the first nut.
Further, the left-right moving mechanism comprises a second base plate fixedly arranged at the top of the background light box, a second ball screw rotatably arranged at the front end of the second base plate, a second nut matched with the second ball screw, a second guide rail arranged on the second base plate and arranged behind the second ball screw, and a second sliding block matched with the second guide rail, wherein the rear end of the second nut is fixed with the second sliding block; the left-right moving mechanism further comprises a second hand wheel in transmission connection with the second ball screw through a coupler, and the up-down moving mechanism is fixedly arranged at the front end of the second nut.
Furthermore, the up-down moving mechanism comprises a third base plate fixedly arranged on the second nut, a third ball screw rotatably arranged at the front end of the third base plate, a third nut matched with the third ball screw, a third guide rail arranged on the second base plate and arranged behind the third ball screw, and a third slider matched with the third guide rail, wherein the rear end of the third nut is fixed with the third slider; the up-down moving mechanism further comprises a third hand wheel in transmission connection with the third ball screw through a coupler, and the detector base is fixedly arranged on one side of the third nut.
Furthermore, the endoscope clamping mechanism comprises a lamp box rotating shaft fixedly arranged on the optical flat plate, a circle center aligning rod movably arranged at the top end of the lamp box rotating shaft and vertically arranged, a support frame bottom plate rotatably arranged on the lamp box rotating shaft, and a first clamping piece and a second clamping piece which are slidably arranged on the support frame bottom plate, wherein the circle center aligning rod is arranged in front of the detector seat.
Furthermore, a fourth guide rail is fixedly arranged on the bottom plate of the support frame, a fourth sliding block and a fifth sliding block are arranged on the fourth guide rail in a matched mode, the first clamping piece is fixedly connected with the fourth sliding block, the second clamping piece is fixedly connected with the fifth sliding block, and guide rail blocking heads are arranged at two ends of the fourth guide rail.
Further, the first clamping piece comprises a first spiral rod adapter plate fixedly connected with the fourth sliding block, a first spiral height adjusting frame arranged on the first spiral rod adapter plate, and a first endoscope clamping groove arranged on the first spiral height adjusting frame; the second clamping piece comprises a second screw rod adapter plate fixedly connected with the fifth sliding block, a second screw height adjusting frame arranged on the second screw rod adapter plate, and a second endoscope clamping groove arranged on the second screw height adjusting frame.
Furthermore, a rotary fixing piece is arranged in front of the front-back moving mechanism on the optical flat plate, a screw hole is formed in the rotary fixing piece, and the bottom plate of the support frame is fixed with the screw hole through a bolt.
Furthermore, the front end of the detector base is provided with a plurality of magnets for attracting the resolution ratio plate.
The utility model discloses following beneficial effect has:
the adjusting mechanism for detecting the optical performance of the portable endoscope realizes the back-and-forth movement of the background lamp box for fixing the side mark plate through the back-and-forth movement mechanism, and realizes the rotation of the endoscope clamping mechanism through the lamp box rotating shaft, thereby being capable of adjusting the position of the entrance pupil surface of the endoscope in multiple directions as required; the detector adjusting mechanism is used for realizing that the detector seat for fixing the resolution plate moves up and down or left and right, so that the resolution plate can move to any position in front of the background lamp box, thereby meeting the test requirement; the utility model discloses an adjustment mechanism for portable endoscope optical property detects simple structure, small, portable's characteristics can bring more facilities for endoscope detection work.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
FIG. 1 is a schematic diagram of an adjustment mechanism for optical performance detection of a portable endoscope in an embodiment;
FIG. 2 is a rear view of an adjustment mechanism for optical performance detection of a portable endoscope in an embodiment;
FIG. 3 is a schematic view of a back-and-forth movement mechanism in an embodiment;
FIG. 4 is a schematic diagram of a background light box in the embodiment;
FIG. 5 is a schematic view of an embodiment of a probe adjustment mechanism;
FIG. 6 is a schematic view of an endoscope retaining mechanism in an embodiment.
Detailed Description
For a fuller understanding of the technical content of the present invention, the present invention will be further described and illustrated with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 6, the adjusting mechanism for detecting optical performance of a portable endoscope shown in this embodiment includes an optical flat plate 1, a front-back moving mechanism 2 and an endoscope clamping mechanism 3 which are disposed on the optical flat plate 1, and a background lamp box 4 which is disposed at an upper end of the front-back moving mechanism 2 and is used for fixing a side target, wherein the front-back moving mechanism 2 is used for driving the background lamp box 4 to move front and back, a detector adjusting mechanism is fixedly disposed at an upper end of the background lamp box 4, a detector base 5 for fixing a resolution plate is slidably disposed on the detector adjusting mechanism, the detector adjusting mechanism is used for driving the detector base 5 to move up and down or left and right, the detector base 5 is disposed in front of the background lamp box 4, and the.
Specifically, the detector adjusting mechanism comprises a left-right moving mechanism 6 fixedly arranged at the upper end of the background lamp box 4 and an up-down moving mechanism 7 arranged on the left-right moving mechanism 6, the detector seat 5 is arranged on the up-down moving mechanism 7, the left-right moving mechanism 6 is used for driving the up-down moving mechanism 7 to move left and right, the up-down moving mechanism 7 is used for driving the detector seat 5 to move up and down, so that the detector seat 5 can move up and down or left and right, four magnets 8 used for attracting the resolution plate are arranged at the front end of the detector seat 5, and the resolution plate can move up and down.
Specifically, the back-and-forth moving mechanism 2 comprises a first base plate 9 fixedly arranged on the optical flat plate 1, a first ball screw 10 which is rotatably arranged on the first base plate 9 through a bearing and is longitudinally arranged, a first nut 11 matched with the first ball screw 10, two first guide rails 12 respectively arranged at two sides of the first ball screw 10, and a first slider 13 matched with the first guide rails 12, wherein a lamp box mounting seat 49 is fixedly arranged on the first nut 11 and the first slider 13, and the back-and-forth moving mechanism 2 further comprises a first hand wheel 14 in transmission connection with the first ball screw 10 through a coupler; the background lamp box 4 comprises a lamp box 15, an upper connecting plate 16 arranged at the top of the lamp box and a lower connecting plate 17 arranged at the bottom of the lamp box, wherein the lower connecting plate 17 is fixedly connected with a first sliding block 13 and a first nut 11; in the structure, the first handwheel 14 is rotated to drive the first ball screw 10 to rotate so as to drive the first nut 11 to move back and forth, and further drive the background lamp box 4 arranged at the upper end of the first handwheel to move back and forth, so that the side target plate arranged on the background lamp box 4 can move back and forth, and further the working distance of the target plate relative to the entrance pupil surface of the endoscope can be adjusted.
Specifically, the left-right moving mechanism 6 comprises a second base plate 18 fixed on the upper adapter plate 16 and transversely arranged, a second ball screw 19 rotatably arranged at the front end of the second base plate 18 through a bearing and transversely arranged, a second nut 20 matched with the second ball screw 19, a second guide rail 21 arranged on the second base plate 18 and behind the second ball screw 19, and a second slider 22 matched with the second guide rail 21, wherein the rear end of the second nut 20 is fixedly connected with the second slider 22, and the left-right moving mechanism 6 further comprises a second hand wheel 23 in transmission connection with the second ball screw 19 through a coupler; the up-down moving mechanism 7 comprises a third base plate 24 fixed at the front end of the second nut 20 and vertically arranged, a third ball screw 25 rotatably arranged at the front end of the third base plate 24 through a bearing, a third nut 26 matched with the third ball screw 25, a third guide rail 27 arranged on the third base plate 24 and arranged behind the third ball screw 25, and a third slider 28 matched with the third guide rail 27, wherein the rear end of the third nut 26 is fixedly connected with the third slider 28, the up-down moving mechanism 7 further comprises a third hand wheel 29 in transmission connection with the third ball screw 25 through a coupler, a detector base adapter plate 50 is fixedly arranged on one side of the third nut 26, and the detector base 5 is fixedly connected with the detector base adapter plate 50; in the structure, the second ball screw 19 is driven to rotate by rotating the second hand wheel 23 so as to drive the second nut 20 to move left and right, and further drive the up-down moving mechanism 7 arranged at the upper end of the second nut to move left and right; the third ball screw 25 is driven to rotate by rotating the third hand wheel 29 so as to drive the third nut 26 to move up and down, and further the detector seat 5 fixedly connected with the third nut is driven to move up and down; therefore, the detector seat 5 can move in four directions, namely up, down, left and right directions, through the left-right moving mechanism 6 and the up-down moving mechanism 7, and the resolution plate fixed on the detector seat 5 can move to any position in a vertical plane in front of the lamp box 15, so that the testing requirement is met.
Specifically, the endoscope clamping mechanism 3 comprises a lamp box rotating shaft 30 fixedly arranged on the optical flat plate 1, the lamp box rotating shaft 30 is positioned in front of the detector base 5 and at the position of the tail end of the first base plate 9, a groove is arranged at the top end of the lamp box rotating shaft 30, a locking nut 31 with a boss at the lower end is sleeved in the groove, a circle center aligning rod 32 with a threaded part at the lower end is vertically arranged in cooperation with the locking nut 31, a positioning and attaching plane for attaching to the entrance pupil surface of the endoscope is arranged at the upper end of the circle center aligning rod 32, a support frame bottom plate 33 is rotatably arranged on the rotating shaft of the lamp box rotating shaft 30, a fourth guide rail 34 is fixedly arranged on the support frame bottom plate 33 along the length direction, a fourth slide block 35 and a fifth slide block 36 are matched on the fourth guide rail 34, a first clamping piece is fixedly arranged on the fourth slide block 35, a second clamping piece is fixedly arranged on the fifth slide block 36, guide, a rotary fixing piece 38 is fixedly arranged on the optical flat plate 1 in front of the front-back moving mechanism 2, two screw holes 39 are arranged on the rotary fixing piece 38, and the support frame bottom plate 33 is fixedly connected with the screw holes 39 through bolts 40; in the above structure, the rotation central angle of the supporting frame bottom plate 33 around the lamp box rotating shaft 30 is 90 ° by the limitation of the rotation fixing piece 38, so that the requirement that endoscopes of different shapes can be attached to the positioning and attaching plane through the entrance pupil surface of the endoscope is met, the distance between the first clamping piece and the second clamping piece arranged on the fourth sliding block 35 and the fifth sliding block 36 can be freely adjusted, and the endoscopes of different lengths can be clamped.
Specifically, the first clamping member includes a first screw rod adapter plate 41 fixed on the fourth slider 35, a first screw height adjusting frame 42 is fixedly arranged at the top of the first screw rod adapter plate 41, a C-shaped first endoscope clamping groove 43 is fixedly arranged at the top of the first screw height adjusting frame 42, a screw hole is arranged at the top of the first endoscope clamping groove 43, and a first bolt 44 screwed downwards into the first endoscope clamping groove 43 is arranged in the screw hole and used for tightly jacking the endoscope; the second clamping piece comprises a second screw rod adapter plate 45 fixed on the fifth sliding block 36, a second screw height adjusting frame 46 is fixedly arranged at the top of the second screw rod adapter plate 45, a C-shaped second endoscope clamping groove 47 is fixedly arranged at the top of the second screw height adjusting frame 46, a screw hole is arranged at the top of the second endoscope clamping groove 47, and a second bolt 48 downwards screwed into the second endoscope clamping groove 47 is arranged in the screw hole and used for tightly jacking the endoscope.
Specifically, the first screw height adjusting bracket 42 and the second screw height adjusting bracket 46 can adjust their heights by rotating, and then adjust the heights of the first endoscope clamping groove 43 and the second endoscope clamping groove 47 on the first screw height adjusting bracket 42 and the second screw height adjusting bracket 46, so as to adapt to endoscopes with different heights, and the first bolt 44 and the second bolt 48 can be screwed downwards to jack the endoscopes in the first endoscope clamping groove 43 and the second endoscope clamping groove 47.
In other embodiments of the present invention, as shown in fig. 3 and 5, a first graduated scale 51 is further disposed on one side of the first base plate 9, and a first pointer 52 for pointing to the moving distance of the forward and backward moving mechanism is disposed on the lamp box mounting seat 49; a second graduated scale 53 is arranged on one side of the second base plate 18, and a second pointer 54 for pointing the moving distance of the left-right moving mechanism is arranged on the second nut 20; a third scale 55 is further provided on one side of the third base plate 24, and a third pointer 56 for pointing to the moving distance of the up-down moving mechanism is provided on the second nut 26;
in the above embodiment, the adjusting mechanism is mainly used for simulating and adjusting the field angle and the relative optical working distance of the target plate with respect to the entrance pupil surface of the endoscope in the optical performance testing process of the medical endoscope, the target plate mounted on the background lamp box can be several types, such as a field angle target plate, a double-circle target plate, a distortion rate target plate and the like, the field angle target plate is used for measuring the field angle and the viewing direction angle of the endoscope, the distortion rate target plate is used for measuring the distortion rate of the endoscope, and the double-circle target plate is used for measuring the entrance pupil field angle of the endoscope; in the actual detection process, selecting a proper measuring mark plate aiming at the items to be detected of the endoscope; the resolution plate arranged on the detector seat is a plate which meets the requirements of standard ZBN35003-89 and is used for measuring the angle resolution of the endoscope, and the resolution plate can be replaced by an illuminometer detector, a luminance meter detector or a point light source and the like according to different detection items.
The background lamp box can illuminate the scribed lines and patterns on the measuring mark plate when the measuring mark plate is packed for measurement, so that the measured endoscope can clearly shoot the images of the measuring mark plate, and further image analysis is carried out, light emitted by the light source of the endoscope can be neutralized, the reflection of light caused by the measuring mark plate is reduced, the brightness of the background lamp box can be adjusted as required, and the brightness in the plane of the background lamp box is uniform.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. An adjusting mechanism for detecting optical performance of a portable endoscope is characterized by comprising an optical flat plate, a front-back moving mechanism and an endoscope clamping mechanism which are arranged on the optical flat plate, a background lamp box which is arranged at the upper end of the front-back moving mechanism and used for fixing a side mark plate, and a detector adjusting mechanism which is fixedly arranged at the upper end of the background lamp box, wherein the front-back moving mechanism is used for driving the background lamp box to move front and back, a detector seat used for fixing a resolution plate is arranged on the detector adjusting mechanism in a sliding mode, the detector seat is arranged in front of the background lamp box, and the endoscope clamping mechanism is arranged in front of the detector seat.
2. The adjusting mechanism for detecting the optical performance of the portable endoscope according to claim 1, wherein said detector adjusting mechanism comprises a left-right moving mechanism fixedly disposed at the upper end of said background lamp box and an up-down moving mechanism disposed on said left-right moving mechanism, said detector base is disposed on said up-down moving mechanism, said left-right moving mechanism is used for driving said up-down moving mechanism to move left and right, and said up-down moving mechanism is used for driving said detector base to move up and down.
3. The adjusting mechanism for detecting the optical performance of the portable endoscope as recited in claim 2, wherein the back-and-forth moving mechanism comprises a first base plate fixedly disposed on the optical flat plate, a first ball screw rotatably disposed on the first base plate, a first nut engaged with the first ball screw, two first guide rails disposed on two sides of the first ball screw, and a first slider engaged with the first guide rails, the back-and-forth moving mechanism further comprises a first handwheel drivingly connected with the first ball screw through a coupler, and a bottom end of the background lamp box is fixedly disposed on the first slider and the first nut.
4. The adjusting mechanism for detecting the optical performance of the portable endoscope according to claim 2, wherein said left-right moving mechanism comprises a second base plate fixedly disposed on the top of said backlight box, a second ball screw rotatably disposed on the front end of the second base plate, a second nut mated with the second ball screw, a second guide rail disposed on the second base plate and disposed behind the second ball screw, and a second slider mated with the second guide rail, and the rear end of said second nut is fixed to said second slider; the left-right moving mechanism further comprises a second hand wheel in transmission connection with the second ball screw through a coupler, and the up-down moving mechanism is fixedly arranged at the front end of the second nut.
5. The adjusting mechanism for detecting the optical performance of the portable endoscope according to claim 4, wherein said up-down moving mechanism includes a third base plate fixedly disposed on said second nut, a third ball screw rotatably disposed at the front end of the third base plate, a third nut engaged with the third ball screw, a third guide rail disposed on the second base plate and disposed behind the third ball screw, and a third slider engaged with the third guide rail, and the rear end of said third nut is fixed to said third slider; the up-down moving mechanism further comprises a third hand wheel in transmission connection with the third ball screw through a coupler, and the detector base is fixedly arranged on one side of the third nut.
6. The adjusting mechanism for detecting the optical performance of a portable endoscope according to any one of claims 2-5, wherein said endoscope holding mechanism includes a lamp box rotating shaft fixedly disposed on said optical flat plate, a circle center aligning rod movably disposed at the top end of said lamp box rotating shaft and vertically disposed, a supporting frame bottom plate rotatably disposed on said lamp box rotating shaft, a first holding member and a second holding member slidably disposed on said supporting frame bottom plate, said circle center aligning rod being disposed in front of said detector seat.
7. The adjusting mechanism for detecting the optical performance of a portable endoscope according to claim 6, wherein a fourth guide rail is fixedly arranged on the bottom plate of the supporting frame, a fourth slider and a fifth slider are arranged on the fourth guide rail in a matching manner, the first clamping member is fixedly connected with the fourth slider, the second clamping member is fixedly connected with the fifth slider, and guide rail stoppers are arranged at two ends of the fourth guide rail.
8. The adjusting mechanism for detecting optical performance of a portable endoscope according to claim 7, wherein said first clamping member includes a first screw rod adapter plate fixedly connected to said fourth slider, a first screw height adjusting bracket provided on said first screw rod adapter plate, a first endoscope clamping groove provided on said first screw height adjusting bracket; the second clamping piece comprises a second screw rod adapter plate fixedly connected with the fifth sliding block, a second screw height adjusting frame arranged on the second screw rod adapter plate, and a second endoscope clamping groove arranged on the second screw height adjusting frame.
9. The adjusting mechanism for detecting the optical performance of a portable endoscope as recited in claim 8, wherein a rotary fixing plate is provided on the optical flat plate in front of the forward-backward moving mechanism, the rotary fixing plate is provided with a screw hole, and the bottom plate of the supporting frame is fixed to the screw hole by a bolt.
10. An adjustment mechanism for optical performance measurement of a portable endoscope according to claim 1 and wherein said probe holder is provided at its front end with a plurality of magnets for attracting said resolution plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921944937.9U CN210719636U (en) | 2019-11-12 | 2019-11-12 | Adjusting mechanism for detecting optical performance of portable endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921944937.9U CN210719636U (en) | 2019-11-12 | 2019-11-12 | Adjusting mechanism for detecting optical performance of portable endoscope |
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| Publication Number | Publication Date |
|---|---|
| CN210719636U true CN210719636U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921944937.9U Expired - Fee Related CN210719636U (en) | 2019-11-12 | 2019-11-12 | Adjusting mechanism for detecting optical performance of portable endoscope |
Country Status (1)
| Country | Link |
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| CN (1) | CN210719636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945365A (en) * | 2021-12-20 | 2022-01-18 | 南京明瑞检测技术有限公司 | Detection system and method for hard endoscope |
-
2019
- 2019-11-12 CN CN201921944937.9U patent/CN210719636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945365A (en) * | 2021-12-20 | 2022-01-18 | 南京明瑞检测技术有限公司 | Detection system and method for hard endoscope |
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