CN114791664B - Fixing device of industrial endoscope - Google Patents
Fixing device of industrial endoscope Download PDFInfo
- Publication number
- CN114791664B CN114791664B CN202210460203.3A CN202210460203A CN114791664B CN 114791664 B CN114791664 B CN 114791664B CN 202210460203 A CN202210460203 A CN 202210460203A CN 114791664 B CN114791664 B CN 114791664B
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- China
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- middle rod
- industrial endoscope
- sliding blocks
- telescopic spring
- nut
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- 238000003780 insertion Methods 0.000 claims description 35
- 230000037431 insertion Effects 0.000 claims description 35
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 13
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
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- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
The invention relates to a fixing device of an industrial endoscope, which comprises a middle rod with a cylindrical structure, wherein an adjusting sleeve is sleeved on the outer wall of one end of the middle rod, and a nut is connected with the other end of the middle rod in a threaded manner; the middle rod is also sleeved with two sliding blocks which are correspondingly positioned between the adjusting sleeve and the screw cap in a sliding manner, the adjusting sleeve is abutted against the adjacent sliding blocks, a first telescopic spring is arranged between the two sliding blocks, a second telescopic spring is arranged between the screw cap and the adjacent sliding blocks, and the first telescopic spring and the second telescopic spring are sleeved on the middle rod; the two sliding blocks are provided with scissor type connecting pieces. The invention passes through the middle rod and fixes the industrial endoscope, then the position of the middle rod is fixed in the pipeline to be detected by opening the scissor-type connecting piece, and then the position of the industrial endoscope in the pipeline is fixed, thereby solving the problem that the position of the industrial endoscope in the pipeline is not easy to fix.
Description
Technical Field
The invention relates to the field of industrial endoscopes, in particular to a fixing device of an industrial endoscope.
Background
Industrial endoscopes are commonly used equipment for nondestructive inspection or pipeline detection in industry, and sometimes when the equipment is used in reality, the diameter of a pipeline to be detected is relatively large, so that the position of an insertion tube of the endoscope in the pipeline cannot be fixed when the industrial endoscope is used, the insertion tube can be closely attached to one side of the inner wall of the pipeline to detect the other side of the inner wall of the pipeline, and relatively large position change can be generated in the pipeline, so that the detection process, the detection position and the image generated by detection can have relatively large fluctuation, and the detection result is inaccurate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fixing device of an industrial endoscope.
The technical scheme adopted for solving the technical problems is as follows: the fixing device of the industrial endoscope comprises a middle rod with a cylindrical structure, wherein an adjusting sleeve in threaded connection with the middle rod is sleeved on the outer wall of one end of the middle rod, and a nut capable of being matched with an insertion tube of the industrial endoscope to pass through is in threaded connection with the other end of the middle rod; the middle rod is also sleeved with two sliding blocks which are correspondingly positioned between the adjusting sleeve and the screw cap, the adjusting sleeve is abutted against the adjacent sliding blocks, a first telescopic spring with two ends correspondingly connected to the two sliding blocks is arranged between the two sliding blocks, a second telescopic spring with two ends correspondingly connected to the sliding blocks and the middle rod is arranged between the screw cap and the adjacent sliding blocks, and the first telescopic spring and the second telescopic spring are sleeved on the middle rod; the two sliding blocks are provided with scissor-type connecting pieces which can slide in the pipeline to be detected; a locking sleeve which is matched and movable and is embedded into the middle rod in a limiting way is further arranged in the nut; the inner wall of the nut extends inwards along the radial direction of the nut at one end far away from the middle rod and is provided with an annular stop block around the circumference of the nut; the elastic force of the second telescopic spring is larger than that of the first telescopic spring, and the length of the second telescopic spring is smaller than that of the first telescopic spring.
Preferably, the locking sleeve has a step extending in its circumferential direction at an end of its outer wall remote from the intermediate lever, the step being capable of pressing against an end of the intermediate lever.
Preferably, the outer wall of the intermediate rod extends to a position corresponding to the position between the screw cap and the sliding block to form a bulge around the intermediate rod, and two ends of the second telescopic spring are correspondingly connected to the sliding block and the bulge adjacent to the screw cap.
Preferably, three scissor type connectors are arranged at equal intervals along the circumference of the sliding block.
Preferably, the scissor type connector comprises two connecting rods which are pivoted, and the two connecting rods are correspondingly pivoted on the two sliding blocks.
Preferably, the ends of the two connecting rods, which are far away from the sliding block, are provided with rollers capable of rolling along the axial direction of the middle rod.
Preferably, the two connecting rods have the same structure, and the pivot point is the same distance from the two sliding blocks.
The invention has the beneficial effects that: the invention uses the intermediate rod as a carrier for fixing the industrial endoscope insertion tube, the industrial endoscope insertion tube passes through the intermediate rod and is fixed on the intermediate rod, then the position of the intermediate rod is fixed in a pipeline to be detected through the opening of the scissor type connecting piece, and then the position of the industrial endoscope insertion tube in the pipeline is fixed, so that the problem that the position of the industrial endoscope insertion tube in the pipeline is not easy to fix is solved, the detection is convenient by fixing the position of the industrial endoscope insertion tube in the pipeline, the influence of accidental errors on the detection result is avoided, the detection result is more accurate, the industrial endoscope insertion tube is indirectly fixed by fixing the intermediate rod in the pipeline, the damage to the industrial endoscope insertion tube is avoided, and meanwhile, the opening angle of the scissor type connecting piece is realized by using the acting force between two telescopic springs, so that the position fixing of the industrial endoscope insertion tube in the pipeline is more firm and reliable, and the unstable position fixing caused by uneven application of a single spring is avoided.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a schematic view of a nut structure according to an embodiment of the present invention;
Part names and serial numbers in the figure: 1-an intermediate rod 10-a bulge 2-an adjusting sleeve 3-a screw cap 30-a locking sleeve 31-an annular stop 300-a step 4-a sliding block 5-a first telescopic spring 6-a second telescopic spring 7-a scissor type connecting piece 70-a connecting rod 71-a roller.
Detailed Description
For the purpose of illustrating more clearly the objects, technical solutions and advantages of embodiments of the present invention, the present invention will be further described with reference to the accompanying drawings and embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention. Furthermore, directional terms, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., in the present invention are used only with reference to the directions of the attached drawings, and are used for better and more clear description and understanding of the present invention, not to indicate or imply the orientations that the present invention must have, and thus should not be construed as limiting the present invention.
The embodiment of the invention is shown in fig. 1 to 3, a fixing device of an industrial endoscope, which comprises a middle rod 1 with a cylindrical structure, wherein the cylindrical structure means that an adjusting sleeve 2 which is connected with the middle rod 1 through threads is sleeved on the outer wall of one end of the middle rod 1, a nut 3 which can be matched with the industrial endoscope inserting tube is arranged on the outer wall of the middle rod 1, namely when the adjusting sleeve 2 is arranged on the left side of the middle rod 1, the inserting tube of the industrial endoscope is inserted from the head of the middle rod 1 and then penetrates out from the tail of the middle rod 1, then the inserting tube of the industrial endoscope is locked in the middle rod 1 to form an integral structure with the middle rod 1, when a pipeline is detected, the middle rod 1 forms a protecting piece of the industrial endoscope inserting tube, the adjusting sleeve 2 which is connected with the industrial endoscope inserting tube through threads is prevented from being damaged in use, and the other end of the middle rod 1 is connected with a nut 3 which can be matched with the industrial endoscope inserting tube through threads, namely when the adjusting sleeve 2 is arranged on the left side of the middle rod 1, one end of the adjusting sleeve 2 is arranged on the middle rod 1, one end of the middle rod 2 forms the head of the middle rod 1, and one end of the inserting tube of the industrial endoscope is arranged on the middle rod 1, and the end of the industrial endoscope is connected with the end 3 through the nut 3 through the middle rod 3 through the threaded 3; the middle rod 1 is also sleeved with two sliding blocks 4 which are correspondingly positioned between the adjusting sleeve 2 and the screw cap 3 in a sliding manner, the two sliding blocks 4 are positioned between the adjusting sleeve 2 and the screw cap 3 and can slide on the middle rod 1, the relative distance between the two sliding blocks 4 can be increased or reduced through sliding, the adjusting sleeve 2 is abutted with the sliding blocks 4 adjacent to the adjusting sleeve 2, the adjusting sleeve 2 moves on the middle rod 1 along the axial direction of the middle rod 1, the sliding blocks 4 adjacent to the adjusting sleeve 2 move along with the movement of the adjusting sleeve 2, a first telescopic spring 5 with two ends correspondingly connected with the two sliding blocks 4 is arranged between the two sliding blocks 4, a second telescopic spring 6 with two ends correspondingly connected with the sliding blocks 4 and the middle rod 1 is arranged between the screw cap 3 and the sliding blocks 4 adjacent to the screw cap, the first telescopic spring 5 and the second telescopic spring 6 are sleeved on the middle rod 1, the two telescopic springs are sleeved on the middle rod 1, the first telescopic spring 5 separates the two sliding blocks 4, the second telescopic spring 6 limits the sliding block 4 adjacent to the screw cap 3 on the middle rod 1, so that the adjusting sleeve 2 applies thrust to the sliding block 4 adjacent to the adjusting sleeve 2 through the rotation of the adjusting sleeve 2 on the middle rod 1, the sliding block 4 transmits the force to the first telescopic spring 5, the first telescopic spring 5 is compressed by pressure and transmits the pressure to the other sliding block 4, the sliding block 4 slides and applies pressure to the second telescopic spring 6, and the second telescopic spring 6 contracts and applies reaction force to the sliding block 4, so that the sliding of the two sliding blocks 4 reaches a stable state; the two sliding blocks 4 are provided with the scissor type connecting pieces 7 which can slide in the pipeline to be detected, at the moment, the scissor type connecting pieces 7 are unfolded under the action of the sliding of the two sliding blocks 4, so that the support in the pipeline is formed, the position of the middle rod 1 in the pipeline is fixed, the unfolding angle of the scissor type connecting pieces 7 is adjusted through the rotation of the adjusting sleeve 2, the application in pipelines with different pipe diameters is met, meanwhile, the movement of the industrial endoscope inserting pipe in the pipeline is not influenced when the position of the industrial endoscope inserting pipe is fixed through the sliding of the scissor type connecting pieces 7, the whole device is simple, the use is convenient, and only the adjusting sleeve 2 is needed to be rotated reversely when the device is taken down from the pipeline, so that the scissor type connecting pieces 7 are folded. The industrial endoscope insertion tube is fixed on the middle rod 1 by penetrating the middle rod 1 and being fixed on the middle rod 1, then the middle rod 1 is fixed in a pipeline to be detected by opening the scissor type connecting piece 7, and then the industrial endoscope insertion tube is fixed in the pipeline, so that the problem that the industrial endoscope insertion tube is not easy to fix in the pipeline is solved, the industrial endoscope insertion tube is fixed in the pipeline, the detection is convenient, the influence of accidental errors on the detection result is avoided, the detection result is more accurate, the industrial endoscope insertion tube is indirectly fixed by fixing the middle rod 1 in the pipeline, the industrial endoscope insertion tube is prevented from being damaged when the industrial endoscope insertion tube is inserted in the pipeline, meanwhile, the opening angle of the scissor type connecting piece 7 is realized by the acting force of the two telescopic springs, the fixing of the industrial endoscope insertion tube in the pipeline is more firm and reliable, and the unstable fixing caused by uneven application force of a single spring is avoided.
Further improvement, as shown in fig. 1 and 2, the nut 3 is further provided with a locking sleeve 30 which is matched and movable and is limited and embedded in the intermediate rod 1, namely, one part of the locking sleeve 30 is inserted into the intermediate rod 1, the other part of the locking sleeve is exposed out of the intermediate rod 1, the movable embedding of the locking sleeve 1 into the intermediate rod 1 means that the locking sleeve is detachably connected with the intermediate rod 1, the matching with the intermediate rod 1 means that the external diameter of the part embedded in the intermediate rod 1 is equivalent to the diameter of a through hole of the intermediate rod 1, the nut 1 is not movable in the intermediate rod 1, the industrial endoscope insertion tube can be fixed more firmly when being inserted into the intermediate rod 1, the industrial endoscope insertion tube passes through the intermediate rod 1 and then passes through the locking sleeve 30, the locking sleeve 30 is set to be matched with the industrial endoscope insertion tube according to the size of the industrial endoscope insertion tube, the industrial endoscope insertion tube cannot rotate in the locking sleeve 30, then the nut 3 is sleeved on the locking sleeve 30, the nut 3 is in threaded connection with the intermediate rod 1, the locking sleeve 30 is fixed, the industrial endoscope insertion tube 1 is further fixed, and the industrial endoscope insertion tube 1 can be fixed in the middle rod 1, and the industrial endoscope insertion tube cannot be fixed in the middle rod 1, and the industrial endoscope insertion tube can be conveniently and the industrial endoscope insertion tube 1 can be conveniently and firmly inserted into the intermediate rod 1 through the intermediate rod 1. For the structure of the locking sleeve, the step 300 which can be pressed against the end part of the intermediate rod 1 is extended along the circumferential direction of one end of the outer wall of the locking sleeve 30 far away from the intermediate rod 1, namely, the cross section of the locking sleeve 30 is of a T-shaped structure, when the lower part of the T-shaped structure is embedded into the intermediate rod 1, the upper part of the T-shaped structure is pressed against the end part of the intermediate rod 1, the whole locking sleeve 30 is not completely embedded into the intermediate rod 1, the connection between the locking sleeve 30 and the intermediate rod 1 is limited, and the replacement of the locking sleeve 30 is also facilitated.
Further improvement, as shown in fig. 1 and 2, the outer wall of the intermediate rod 1 extends to form a protrusion 10 around the intermediate rod 1 at a position corresponding to the position between the screw cap 3 and the sliding block 4, two ends of the second telescopic spring 6 are correspondingly connected to the sliding block 4 and the protrusion 10 adjacent to the screw cap 3, and the protrusion forms a stop for preventing the second telescopic spring from slipping off the intermediate rod, so that the connection of the second telescopic spring and the intermediate rod is also facilitated.
Further, as shown in fig. 1 and 2, the three scissor type connectors 7 are arranged at equal intervals along the circumferential direction of the sliding block 4, that is, the axial lead of the middle rod 1 is used as the center to trisect the circumferential direction of the sliding block 4, then each of the trisection points is provided with the scissor type connector 7, at this time, the included angle between the two scissor type connectors 7 is 120 degrees, and the three scissor type connectors 7 form a triangular supporting and fixing structure, so that the fixing structure is more stable and firm, and the industrial endoscope insertion tube is positioned at the center position in the pipeline to be detected when being inserted into the pipeline to be detected, so that the center positioning is formed, the better pipeline detection is ensured, and the detection result is more accurate. The scissor type connecting piece 7 comprises two connecting rods 70 pivoted mutually, the two connecting rods 70 are correspondingly pivoted on the two sliding blocks 4, the two connecting rods 70 are pivoted at a certain point in the middle of the connecting rods 70, the two connecting rods 70 can relatively rotate to form a scissor type structure, the end part of one connecting rod 70 is pivoted on the sliding block 4 adjacent to the adjusting sleeve 2, the end part of the other connecting rod 70 is pivoted on the sliding block 4 adjacent to the nut 3, the two connecting rods 70 are unfolded or folded through the movement of the sliding block 4, the pivoting of the connecting rods 70 on the sliding block 4 can be provided with clamping grooves on the outer wall of the sliding block 4, rotating shafts are arranged in the clamping grooves, and then the connecting rods 70 are pivoted in the clamping grooves through the rotating shafts. In this case, in order to form a stable supporting and fixing structure after the two connecting rods 70 are opened, the two connecting rods 70 have the same structure, and the distances between the pivot points and the two sliding blocks 4 are the same, which means that the distances from the outer ends to the pivot points of the two connecting rods 70 are the same after the two connecting rods 70 are opened, so that when the two connecting rods 70 are installed in a pipeline, the outer ends of the two connecting rods 70 can be abutted against the inner wall of the pipeline after the two connecting rods are opened, and the stability of the fixing structure is maintained. At this time, in order to facilitate the travel of the device in the pipeline, the ends of the two connecting rods 70, which are far away from the sliding block 4, are respectively provided with a roller 71 capable of rolling along the axial direction of the middle rod 1, and when the device is inserted into the pipeline to be detected, the rollers 71 roll along the inner wall of the pipeline, so that the movement of the industrial endoscope insertion pipe in the pipeline is facilitated.
Further improvement, as shown in fig. 1 and 2, the elastic force of the second telescopic spring 6 is larger than that of the first telescopic spring 5, and the length of the second telescopic spring 6 is smaller than that of the first telescopic spring 5, so that the two sliding blocks 4 can be positioned at the middle position of the middle rod 1 in the process of compressing the second telescopic spring 6, and the balance in the axial direction of the middle rod 1 is maintained, and the advancing of an insertion tube of the industrial endoscope is further facilitated.
Further improvement, as shown in fig. 3, the inner wall of the nut 3 extends inwards along the radial direction of the nut 3 at one end far away from the middle rod 1 to form an annular stop block 31 around the circumference of the nut, the annular stop block 31 enables the insertion tube of the industrial endoscope inserted into the annular stop block to be spaced from the tube wall of the nut 3, the insertion tube of the industrial endoscope cannot be influenced when the nut 3 is in threaded connection with the middle rod 1, and meanwhile, the locking sleeve 30 can be well limited in the nut 3 when the locking sleeve 30 is arranged.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (7)
1. A fixture for an industrial endoscope, characterized by: the middle rod comprises a cylindrical structure, wherein an adjusting sleeve in threaded connection with the middle rod is sleeved on the outer wall of one end of the middle rod, and a nut capable of being matched with the insertion tube of the industrial endoscope to pass through is in threaded connection with the other end of the middle rod; the middle rod is also sleeved with two sliding blocks which are correspondingly positioned between the adjusting sleeve and the screw cap, the adjusting sleeve is abutted against the adjacent sliding blocks, a first telescopic spring with two ends correspondingly connected to the two sliding blocks is arranged between the two sliding blocks, a second telescopic spring with two ends correspondingly connected to the sliding blocks and the middle rod is arranged between the screw cap and the adjacent sliding blocks, and the first telescopic spring and the second telescopic spring are sleeved on the middle rod; the two sliding blocks are provided with scissor-type connecting pieces which can slide in the pipeline to be detected; a locking sleeve which is matched and movable and is embedded into the middle rod in a limiting way is further arranged in the nut; the inner wall of the nut extends inwards along the radial direction of the nut at one end far away from the middle rod and is provided with an annular stop block around the circumference of the nut; the elastic force of the second telescopic spring is larger than that of the first telescopic spring, and the length of the second telescopic spring is smaller than that of the first telescopic spring.
2. The fixture of an industrial endoscope as described in claim 1 wherein said locking sleeve has a step extending circumferentially thereof at an end of an outer wall thereof remote from the intermediate lever, the step being capable of pressing against an end of the intermediate lever.
3. The fixture of an industrial endoscope as described in claim 1 wherein the outer wall of the intermediate rod extends with a protrusion around the intermediate rod at a position corresponding to between the nut and the slider, and both ends of the second extension spring are connected to the slider and the protrusion adjacent to the nut, respectively.
4. The fixture of industrial endoscope of claim 1, wherein three scissor type connectors are provided and are equally spaced along the circumference of the sliding block.
5. The fixture of industrial endoscope of claim 1, wherein said scissor type connector comprises two connecting rods pivotally connected to each other, said two connecting rods being pivotally connected to said two sliding blocks.
6. The fixture of an industrial endoscope as described in claim 5 wherein both ends of said connecting rods remote from said sliding block are provided with rollers capable of rolling along the axial direction of said intermediate rod.
7. The fixture of an industrial endoscope as described in claim 5 wherein the two connecting rods have the same structure and the pivot point is the same distance from the two sliding blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210460203.3A CN114791664B (en) | 2022-04-28 | 2022-04-28 | Fixing device of industrial endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210460203.3A CN114791664B (en) | 2022-04-28 | 2022-04-28 | Fixing device of industrial endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114791664A CN114791664A (en) | 2022-07-26 |
| CN114791664B true CN114791664B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210460203.3A Active CN114791664B (en) | 2022-04-28 | 2022-04-28 | Fixing device of industrial endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114791664B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610242A (en) * | 1984-04-18 | 1986-09-09 | Codman & Shurtleff, Inc. | Endoscope insertion cannula assembly |
| CN203433190U (en) * | 2013-09-22 | 2014-02-12 | 郑州九泰科技有限公司 | Lens centering device for industrial endoscope |
| CN208141046U (en) * | 2018-04-28 | 2018-11-23 | 郑州九泰科技有限公司 | A kind of industrial endoscope for vertical pipeline |
| CN208207363U (en) * | 2018-04-28 | 2018-12-07 | 郑州九泰科技有限公司 | A kind of industrial endoscope with centering device |
-
2022
- 2022-04-28 CN CN202210460203.3A patent/CN114791664B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610242A (en) * | 1984-04-18 | 1986-09-09 | Codman & Shurtleff, Inc. | Endoscope insertion cannula assembly |
| CN203433190U (en) * | 2013-09-22 | 2014-02-12 | 郑州九泰科技有限公司 | Lens centering device for industrial endoscope |
| CN208141046U (en) * | 2018-04-28 | 2018-11-23 | 郑州九泰科技有限公司 | A kind of industrial endoscope for vertical pipeline |
| CN208207363U (en) * | 2018-04-28 | 2018-12-07 | 郑州九泰科技有限公司 | A kind of industrial endoscope with centering device |
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| Publication number | Publication date |
|---|---|
| CN114791664A (en) | 2022-07-26 |
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