CN216167337U - Focusable hard tube fluorescence endoscope - Google Patents
Focusable hard tube fluorescence endoscope Download PDFInfo
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- CN216167337U CN216167337U CN202122639727.2U CN202122639727U CN216167337U CN 216167337 U CN216167337 U CN 216167337U CN 202122639727 U CN202122639727 U CN 202122639727U CN 216167337 U CN216167337 U CN 216167337U
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- tube
- liquid lens
- eyepiece
- fluorescence endoscope
- zoom liquid
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Abstract
The utility model discloses a hard tube fluorescence endoscope capable of focusing, which comprises a main endoscope tube and an eyepiece tube which are mutually communicated, wherein an eyepiece is arranged in the eyepiece tube, and the hard tube fluorescence endoscope is characterized in that: the left side of the eyepiece is provided with a zoom liquid lens, the zoom liquid lens is connected with the inner wall of the eyepiece tube in a sliding way through a sliding part, the left side of the zoom liquid lens is provided with a driving part which can enable the zoom liquid lens to slide left and right, one end of the driving part is connected with the zoom liquid lens, and the other end of the driving part extends out of the main eyepiece tube; through being equipped with a liquid lens that zooms on the eyepiece left side to a section of thick bamboo crosses sliding part and drive division and can control in the eyepiece is intraductal, thereby can adjust fluorescence endoscope's focus, realizes that different distances can both obtain clear image in the visible range, simple structure, low cost has avoided present hard tube fluorescence endoscope through increasing the focusing function of adapter in order to realize the camera lens, and the machining that brings is complicated, the higher problem of cost.
Description
Technical Field
The utility model belongs to the technical field of endoscopes, and particularly relates to a hard tube fluorescence endoscope capable of focusing.
Background
A rigid tube fluorescence endoscope is a medical instrument used for medical diagnosis and surgery. In endoscopic surgery, an endoscope is placed in the body at a location where surgery is desired. In order to obtain clear images at different distances in a visual range, a zoom lens is used for changing the focal length. The zoom lens can change a photographing range by varying a focal length without changing a photographing distance.
The existing hard tube fluorescence endoscope capable of focusing is added with an adapter for manual zooming or electric zooming behind an eyepiece of the fluorescence endoscope to realize the focusing function of a lens, but the focusing structure is complex in machining and high in cost.
SUMMERY OF THE UTILITY MODEL
In view of the defects and shortcomings in the prior art, the utility model aims to provide a focusing hard tube fluorescence endoscope, and solves the problems of complex machining and high cost caused by the fact that the current hard tube fluorescence endoscope realizes the focusing function of a lens by adding an adapter.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a hard tube fluorescence endoscope that can focus, is including the main mirror pipe and the eyepiece pipe of intercommunication each other, and the eyepiece intraductal eyepiece that is equipped with, and the left side of eyepiece is equipped with the liquid lens that zooms, and the liquid lens that zooms can slide left and right sliding connection through sliding part and eyepiece intraductal wall, and the left side of the liquid lens that zooms is equipped with the drive division that enables its horizontal slip, and drive division one end is connected with the liquid lens that zooms, and the other end stretches out the main mirror pipe.
As a further improvement of the utility model, the sliding part comprises two sliding blocks, the two sliding blocks are respectively fixed on the upper side and the lower side of the zoom liquid lens, and the upper side and the lower side of the inner wall of the eyepiece tube are respectively provided with a sliding groove matched with the sliding blocks.
As a further improvement of the utility model, the upper end and the lower end of the right side of the zoom liquid lens are respectively provided with a guide rod, the upper side and the lower side of the inner wall of the eyepiece tube are respectively provided with a guide block, and the right end of each guide rod passes through one guide block and is connected with one limit plate.
As a further improvement of the utility model, the driving part comprises a screw rod, a threaded sleeve and a connecting rod, the left end of the screw rod extends out of the left side wall of the main lens tube and is rotatably connected with the left side wall of the main lens tube, a section of external thread is arranged at the right end of the screw rod, an internal thread matched with the screw rod is arranged on the inner wall of the threaded sleeve, the screw rod is in threaded connection with the threaded sleeve, and the right end of the threaded sleeve is connected with the zoom liquid lens through the connecting rod.
As a further improvement of the utility model, the connecting rod is in a [ -shape and comprises an upper horizontal rod, a lower horizontal rod and a vertical rod connected between the two horizontal rods, the right end of the threaded sleeve is connected with the middle part of the vertical rod, and the right ends of the two horizontal rods are respectively connected with the upper side and the lower side of the zoom liquid lens.
As a further improvement of the utility model, the left end of the screw is provided with a circular block which is coaxial with the screw, and the diameter of the circular block is larger than that of the screw.
As a further improvement of the utility model, a support plate is arranged in the middle of the main lens tube and is rotationally connected with the screw rod.
In summary, the utility model has the following beneficial technical effects:
1. through being equipped with a liquid lens that zooms on the eyepiece left side to a section of thick bamboo crosses sliding part and drive division and can control in the eyepiece is intraductal, thereby can adjust fluorescence endoscope's focus, realizes that different distances can both obtain clear image in the visible range, simple structure, low cost has avoided present hard tube fluorescence endoscope through increasing the focusing function of adapter in order to realize the camera lens, and the machining that brings is complicated, the higher problem of cost.
2. Through set up guide bar and guide block on liquid lens right side zooms, can provide certain support for liquid lens zooms, improve liquid lens's that zooms stability greatly, avoid its in-process that slides from side to side, take place to deflect.
3. Through establishing the structure into screw rod, threaded sleeve and connecting rod with the drive division, through rotatory screw rod to threaded sleeve can remove about, in order to drive the liquid lens horizontal slip that zooms, simple structure.
4. Through set up a circular block at the screw rod left end, not only make things convenient for the staff to hold, rotate the screw rod, play certain limiting displacement moreover, avoid the screw rod when revolving soon, wholly get into in the primary mirror pipe.
5. Through set up the backup pad in the main mirror tube to the backup pad rotates with the screw rod to be connected, can provide certain support for the screw rod, improves the stability of screw rod, avoids the screw rod to rock.
Drawings
The utility model is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view of FIG. 2 at C;
in the figure: 1 main mirror tube, 2 eyepiece tubes, 3 eyepiece, 4 zoom liquid lens, 5 sliding parts, 51 slider, 52 spout, 6 drive division, 61 screw rod, 62 threaded sleeve, 63 connecting rod, 631 vertical pole, 632 horizontal pole, 64 circular blocks, 65 backup pad, 7 guide bars, 8 guide blocks, 9 limiting plates.
Detailed Description
The utility model is described in further detail below with reference to figures 1-4.
The embodiment of the utility model discloses a hard tube fluorescence endoscope capable of focusing. Referring to fig. 1 and 2, a hard tube fluorescence endoscope capable of focusing comprises a main endoscope tube 1 and an eyepiece tube 2 which are mutually communicated, wherein an eyepiece 3 is arranged in the eyepiece tube 2, a zoom liquid lens 4 is arranged on the left side of the eyepiece 3, the zoom liquid lens 4 is connected with the inner wall of the eyepiece tube 2 in a sliding mode through a sliding part 5, the zoom liquid lens 4 can slide left and right, a driving part 6 capable of sliding left and right is arranged on the left side of the zoom liquid lens 4, one end of the driving part 6 is connected with the zoom liquid lens 4, and the other end of the driving part extends out of the main endoscope tube 1.
As shown in fig. 3 and 4, in the present embodiment, the sliding portion 5 includes two sliding blocks 51, the two sliding blocks 51 are respectively fixed on the upper and lower sides of the zoom liquid lens 4, the upper and lower sides of the inner wall of the eyepiece tube 2 are respectively provided with a sliding slot 52 which is matched with the sliding blocks 51, and the length of the sliding slot 52 is determined according to the left and right sliding stroke of the zoom liquid lens 4. In addition, in order to improve the stability of the zoom liquid lens 4 and avoid deflection in the process of sliding left and right, the upper end and the lower end of the right side of the zoom liquid lens 4 are respectively provided with a guide rod 7, the upper side and the lower side of the inner wall of the eyepiece tube 2 are respectively provided with a guide block 8, and the right end of each guide rod 7 passes through one guide block 8 and is connected with one limiting plate 9.
As shown in fig. 1, the driving portion 6 includes a screw 61, a threaded sleeve 62 and a connecting rod 63, the left end of the screw 61 extends out of the left side wall of the main lens tube 1 and is rotatably connected with the left side wall of the main lens tube 1 through a bearing, the right end of the screw 61 is provided with a section of external thread, the inner wall of the threaded sleeve 62 is provided with an internal thread matched with the screw 61, the screw 61 is in threaded connection with the threaded sleeve 62, and the right end of the threaded sleeve 62 is connected with the zoom liquid lens 4 through the connecting rod 63. Specifically, in the present embodiment, the connecting rod 63 is shaped like a [ ", and includes two upper and lower horizontal rods 632 and a vertical rod 631 connected between the two horizontal rods 632, the right end of the threaded sleeve 62 is connected to the middle of the vertical rod 631, and the right ends of the two horizontal rods 632 are respectively connected to the upper and lower sides of the zoom liquid lens 4. In addition, the left end of the screw 61 is provided with a circular block 64 which is coaxial with the screw 61, and the diameter of the circular block 64 is larger than that of the screw 61, so that the screw 61 can be conveniently held by a worker to rotate, and a certain limiting effect is achieved, and the screw 61 is prevented from integrally entering the main lens tube 1 when being screwed. In addition, in order to improve the stability of the screw 61 and avoid the screw 61 from shaking, a supporting plate 65 is further arranged in the middle of the main mirror tube 1, and the supporting plate 65 is rotatably connected with the screw 61. During operation, the threaded sleeve 62 can move left and right by rotating the screw 61, so as to drive the zoom liquid lens 4 to slide left and right, and the structure is simple.
The utility model has very good beneficial effects, the zoom liquid lens 4 is arranged on the left side of the ocular 3, and the cylinder oversliding part 5 and the driving part 6 can be adjusted left and right in the ocular tube 2, so that the focal length of the fluorescence endoscope can be adjusted, clear images can be obtained at different distances in a visible range, the structure is simple, the cost is low, and the problems of complicated mechanical processing and higher cost caused by the fact that the current hard tube fluorescence endoscope realizes the focusing function of a lens by adding an adapter are solved.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the utility model, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.
Claims (7)
1. The utility model provides a hard tube fluorescence endoscope that can focus, is equipped with eyepiece, its characterized in that including the main mirror tube and the eyepiece pipe of intercommunication each other in the eyepiece pipe: the left side of the eyepiece is provided with a zoom liquid lens, the zoom liquid lens is connected with the inner wall of the eyepiece tube in a sliding manner through a sliding part, the left side of the zoom liquid lens is provided with a driving part which can enable the zoom liquid lens to slide left and right, one end of the driving part is connected with the zoom liquid lens, and the other end of the driving part extends out of the main eyepiece tube.
2. The hard tube fluorescence endoscope capable of focusing according to claim 1, wherein: the sliding part comprises two sliding blocks which are respectively fixed on the upper side and the lower side of the zoom liquid lens, and the upper side and the lower side of the inner wall of the eyepiece tube are respectively provided with a sliding chute matched with the sliding blocks.
3. A hard tube fluorescence endoscope with adjustable focus according to claim 2, wherein: the zoom liquid lens is characterized in that the upper end and the lower end of the right side of the zoom liquid lens are respectively provided with a guide rod, the upper side and the lower side of the inner wall of the ocular tube are respectively provided with a guide block, and the right end of each guide rod penetrates through one guide block and is connected with one limiting plate.
4. The hard tube fluorescence endoscope capable of focusing according to claim 1, wherein: the driving part comprises a screw rod, a threaded sleeve and a connecting rod, the left end of the screw rod extends out of the left side wall of the main lens tube and is rotatably connected with the left side wall of the main lens tube, one section of external thread is arranged at the right end of the screw rod, an internal thread matched with the screw rod is arranged on the inner wall of the threaded sleeve, the screw rod is in threaded connection with the threaded sleeve, and the right end of the threaded sleeve is connected with the zoom liquid lens through the connecting rod.
5. A focusing rigid tube fluorescence endoscope according to claim 4, characterized in that: the connecting rod is in a [ -shape and comprises an upper horizontal rod, a lower horizontal rod and a vertical rod connected between the two horizontal rods, the right end of the threaded sleeve is connected with the middle of the vertical rod, and the right ends of the two horizontal rods are respectively connected with the upper side and the lower side of the zoom liquid lens.
6. The hard tube fluorescence endoscope capable of focusing according to claim 5, wherein: the left end of the screw rod is provided with a circular block which is coaxial with the screw rod, and the diameter of the circular block is larger than that of the screw rod.
7. A hard tube fluorescence endoscope with adjustable focus according to any of claims 4-6, characterized by: the main lens tube is internally provided with a supporting plate at the middle part, and the supporting plate is rotationally connected with the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122639727.2U CN216167337U (en) | 2021-10-29 | 2021-10-29 | Focusable hard tube fluorescence endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122639727.2U CN216167337U (en) | 2021-10-29 | 2021-10-29 | Focusable hard tube fluorescence endoscope |
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| CN216167337U true CN216167337U (en) | 2022-04-05 |
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| CN202122639727.2U Active CN216167337U (en) | 2021-10-29 | 2021-10-29 | Focusable hard tube fluorescence endoscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115054183A (en) * | 2022-08-19 | 2022-09-16 | 广东欧谱曼迪科技有限公司 | Adjustable imaging assembly of 3D endoscope, 3D endoscope and imaging system |
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2021
- 2021-10-29 CN CN202122639727.2U patent/CN216167337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115054183A (en) * | 2022-08-19 | 2022-09-16 | 广东欧谱曼迪科技有限公司 | Adjustable imaging assembly of 3D endoscope, 3D endoscope and imaging system |
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