CN213429973U - Movable block, light guide part, connecting structure and electronic endoscope system - Google Patents
Movable block, light guide part, connecting structure and electronic endoscope system Download PDFInfo
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- CN213429973U CN213429973U CN202021514275.4U CN202021514275U CN213429973U CN 213429973 U CN213429973 U CN 213429973U CN 202021514275 U CN202021514275 U CN 202021514275U CN 213429973 U CN213429973 U CN 213429973U
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- light guide
- guide part
- light source
- permanent magnet
- movable block
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Abstract
The utility model discloses a movable block, a light guide part, a connecting structure and an electronic endoscope system, wherein one end of the movable block is provided with a first limiting groove, and a positioning column is arranged in the first limiting groove; the other end of the movable block is provided with a second limiting groove, a third limiting groove and a first guide inclined plane. The utility model discloses light guide portion and cold light source's connection structure has realized quick, the stable connection of light guide portion and cold light source.
Description
Technical Field
The present invention relates to an endoscope system, and more particularly to a movable block, a light guide unit, a connection structure, and an electronic endoscope system.
Background
The electronic endoscope is a device which is provided with a slender flexible insertion part and is provided with a camera device at the front end, the camera device can be inserted into a body cavity to obtain an image of an intracavity scene, the electronic endoscope is connected with an endoscope host machine, the host machine provides a source of illumination and air pressure for the endoscope, and the host machine and the endoscope transmit electric signals. Therefore, each time the endoscope system is used, the light guide portion of the endoscope needs to be frequently inserted into and removed from the host device, and the convenience of the entire insertion and removal operation and the reliability of the connection are required to be high.
As shown in fig. 1, the electronic endoscope system mainly includes: the endoscope I, the cold light source II, the water vapor bottle III, the image processor host IV and the image display V. The endoscope I is composed of a light guide unit 1, a light guide 2, an operation unit 3, an insertion tube 4, a bending unit 5, and a tip unit 6.
In the prior art, the connection between the light guide part and the cold light source is clamped by a circular metal ring with certain elasticity, as shown in fig. 2, ii-1 ' is the inner shell of the cold light source, ii-2 ' is the elastic ring, 1 ' is the light guide part shell, the light guide part is inserted into the cold light source, the elastic ring is elastically deformed under the action of the inner shell of the cold light source, the elastic ring is continuously kept in a certain deformation state and clamped in a corresponding annular groove of the inner shell of the cold light source after the insertion and assembly, when the light guide part is pulled out, the elastic ring can be deformed and separated from the inner shell of the cold light source by applying a certain force, and at the moment, the light guide part is pulled out from the cold light source. According to the scheme, the insertion and extraction actions are finished after the elastic ring is elastically deformed by a certain force, and the light guide part is pulled to slightly shake after connection; the elastic ring is affected in its deformation restorability after a long-term use, and the connection reliability is affected.
In addition, after the light guide portion is inserted into or pulled out of the cold light source, it is necessary to manually control the cold light source to output light to the light guide portion or stop outputting light, which is not favorable for energy saving. Further, there is a risk that the light guide portion is inserted into the hole and the light output is cut off before insertion or when extraction, causing eye damage to the operator.
The skilled person is therefore working on developing a connection structure for a quickly connectable light guide and a cold light source.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide a connection structure for a light guide portion and a cold light source, which can be connected quickly.
In order to achieve the purpose, the utility model provides a movable block, one end of the movable block is provided with a first limiting groove, and a positioning column is arranged in the first limiting groove; the other end of the movable block is provided with a second limiting groove, a third limiting groove and a first guide inclined plane.
Preferably, the inclination angle of the first guide slope is 30-75 °.
The utility model also provides a light guide part, be equipped with sunken light guide part casing on the light guide part, be equipped with the constant head tank of tube-shape, foretell movable block in the light guide part casing, reference column sliding fit in the constant head tank.
Preferably, a return spring is arranged between the outer side wall of the positioning groove and the inner side wall of the first limiting groove.
Preferably, a stop block is arranged on the light guide part shell, a limit plate is arranged between the stop block and the movable block, and the limit plate extends into the second limit groove.
Preferably, a button is fixed in the third limiting groove.
Preferably, a first permanent magnet and a second permanent magnet are respectively disposed at two ends of the light guide portion in the X direction.
Preferably, the light guide part is provided with a first baffle which can be abutted against the Z-direction side faces of the first permanent magnet and the second permanent magnet.
The utility model also provides a connecting structure of the light guide part and the cold light source, wherein the light guide part is the light guide part;
a cold light source shell is arranged on the cold light source, and the Z-direction side face of the cold light source shell is abutted against the stop block;
a second guide inclined plane matched with the first guide inclined plane is arranged on the cold light source shell;
the side wall of the second limiting groove is abutted against the inner side surface of the cold light source shell;
the cold light source is provided with a third permanent magnet and a fourth permanent magnet which respectively correspond to the first permanent magnet and the second permanent magnet;
and the cold light source is provided with a second baffle and a third baffle which can be abutted against the X-direction and Y-direction side surfaces of the third permanent magnet and the fourth permanent magnet.
The utility model also provides an electronic endoscope system, including foretell light guide part.
The utility model has the advantages that: the utility model discloses light guide portion and cold light source's connection structure has realized quick, the stable connection of light guide portion and cold light source.
Drawings
Fig. 1 is a schematic configuration diagram of an electronic endoscope system in the related art.
Fig. 2 is a schematic structural diagram of a connection structure of a light guide portion and a cold light source in the prior art.
Fig. 3 is a partial cross-sectional view in the Y direction of the electronic endoscope system according to the embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic view showing the configuration of the light guide portion of the electronic endoscope system according to the embodiment of the present invention when the cold light source is inserted.
Fig. 6 is a schematic structural view of the light guide portion of the electronic endoscope system according to the embodiment of the present invention after the cold light source is inserted.
Fig. 7 is a schematic structural view of the light guide portion of the electronic endoscope system according to the embodiment of the present invention when the cold light source is extracted.
Fig. 8 is a schematic structural view of a movable block according to an embodiment of the present invention.
Fig. 9 is an X-direction partial sectional view of an electronic endoscope system according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 3 to 8, an electronic endoscope system includes a light guide portion 1, a cold light source ii, and a control device capable of starting and stopping the cold light source ii; a cold light source shell II-1 is arranged on the cold light source II; a start-stop switch II-3 and a telescopic movable column II-2 are arranged in the cold light source shell II-1; the start-stop switch II-3 is electrically connected with the control device; the light guide part 1 is provided with a telescopic movable block 13;
when the light guide part 1 is inserted into the cold light source II, the movable block 13 can push the movable column II-2 to trigger the start-stop switch II-3 to send a signal to the control device to start the cold light source II; when the light guide part 1 is pulled out of the cold light source II, the movable column II-2 is reset, and the start-stop switch II-3 sends a signal to the control device to stop the cold light source II.
In the embodiment, the start-stop switch II-3 is a photoelectric switch; when the light guide part 1 is inserted into the cold light source II, the movable column II-2 can shield the induction transmission port s of the photoelectric switch; when the cold light source II is pulled out of the light guide part 1, the induction transmission port s of the photoelectric switch is unblocked.
A light guide part shell 14 with a recess is arranged on the light guide part 1; a cylindrical positioning groove 14-1 is arranged in the light guide part shell 14; in this embodiment, the positioning groove 14-1 is erected on the bottom wall of the light guide housing 14.
One end of the movable block 13 is provided with a first limit groove 13-1; a positioning column 13-2 is arranged in the first limiting groove 13-1; the positioning column 13-2 is in sliding fit with the positioning groove 14-1;
a return spring 15 is arranged between the outer side wall of the positioning groove 14-1 and the inner side wall of the first limiting groove 13-1. In this embodiment, the positioning groove 14-1 has an inner cylindrical surface; the positioning column 13-2 is provided with an outer cylindrical surface; the return spring 15 is designed between the movable block 13 and the light guide part shell 14; the inner cylindrical surface and the outer cylindrical surface which are respectively provided with a positioning groove 14-1 and a positioning column 13-2 limit the position of the return spring 15; preventing the spring from deviating when the button is operated.
The light guide part shell 14 is provided with a stop block 11 which can be abutted against the Z-direction side face of the cold light source shell II-1; for limiting the Z-direction of the light guide unit case 14 (i.e., the front-back direction when the light guide unit is inserted into the cold light source). In this embodiment, the stopper 11 is of a type of "+", and the vertical edge of the stopper 11 can abut against the right side surface of the cold light source housing II-1.
A limiting plate 16 is arranged between the stop block 11 and the movable block 13; the other end of the movable block 13 is provided with a second limit groove 13-3; the limit plate 16 extends into the second limit groove 13-3. Used for limiting the Y direction of the movable block 13 (namely the up-down direction when the light guide part is inserted into the cold light source); specifically, the movable block 13 is upwardly restricted so as to be restricted by the light guide housing 14.
The side wall of the second limiting groove 13-3 can abut against the inner side surface of the cold light source shell II-1 and is used for limiting the movable block 12 in the Z direction when the light guide part is inserted into the cold light source so as to realize the quick connection of the light guide part and the cold light source.
The other end of the movable block 13 is provided with a third limiting groove 13-4; a button 12 is fixed in the third limit groove 13-4. The button 12 is linked with the movable block 13, which is beneficial to conveniently pressing the movable block.
The other end of the movable block 13 is provided with a first guide inclined plane b; a second guide inclined plane a matched with the first guide inclined plane b is arranged on the cold light source shell II-1;
the inclination angle of the first guide slope b is 30-75 deg. The angle value of the matched guide slope can be adjusted according to the magnitude of the compression force of the return spring 15.
A first permanent magnet 17 and a second permanent magnet 18 are provided at both ends of the light guide portion 1 in the X direction (i.e., the left-right direction when the light guide portion is inserted into the cold light source); and a third permanent magnet II-5 and a fourth permanent magnet II-6 which respectively correspond to the first permanent magnet 17 and the second permanent magnet 18 are arranged on the cold light source II. By utilizing the principle that permanent magnets are opposite in attraction, when the light guide part 1 is inserted into the cold light source II and gradually approaches, the permanent magnets on the light guide part 1 and the cold light source II generate attraction force, and the light guide part 1 is adsorbed on the cold light source II. The first permanent magnet 17 and the second permanent magnet 18 can be overlapped by a plurality of permanent magnets; the third permanent magnet II-5 and the fourth permanent magnet II-6 on the cold light source II can also be overlapped by a plurality of permanent magnets to ensure that the attraction is proper.
The light guide part 1 is provided with a first baffle 19 which can be abutted against the Z-direction side surfaces of the first permanent magnet 17 and the second permanent magnet 18; used for limiting the Z direction of the first permanent magnet 17 and the second permanent magnet 18.
And a second baffle II-1 and a third baffle II-7 which can be abutted against the X-direction and Y-direction side surfaces of the third permanent magnet II-5 and the fourth permanent magnet II-6 are arranged on the cold light source II. The third permanent magnet II-5 and the fourth permanent magnet II-6 are limited in the X direction and the Y direction.
A fixing frame II-4 is arranged in the cold light source shell II-1; a through movable column mounting hole is formed in the fixing frame II-4; the movable column II-2 is in sliding fit in the movable column mounting hole. In the embodiment, the start-stop switch II-3 is also arranged on the fixing frame II-4.
The movable column II-2 is made of plastic materials; the movable column II-2 is light in weight; the friction force is small; so that the movable block 13 on the light guide portion 1 can smoothly jack it up.
The movable column II-2 is in a T shape; the diameter of the transverse edge of the movable column II-2 is larger than the aperture of the mounting hole of the movable column; and a limiting step v which can be abutted against the movable column II-2 is arranged on the cold light source shell II-1. Used for limiting the II-2Y direction of the movable column; the movable column II-2 is prevented from falling off the fixed frame II-4 after being ejected by the movable block 13.
When the electronic endoscope system is installed; as shown in fig. 4 and 5; the light guide part 1 is gradually close to the cold light source II; the first guide inclined plane b of the movable block 13 on the light guide part 1 is contacted with the second guide inclined plane a of the cold light source shell II-1 on the cold light source II; under the attraction of the permanent magnet; the second guide slope a applies pressure to the first guide slope b so that the movable block 13 compresses the return spring 15 to move downwards; meanwhile, the light guide part 1 continuously moves close to the cold light source II under the attraction of the permanent magnet; when the light guide part 1 moves to be completely attached to the cold light source II, the movable block 13 is not limited by the cold light source shell II-1 any more; the movable block 13 is restored to the initial state by the upward force of the return spring 15.
As shown in fig. 6, the light guide part 1 is attracted and fixed to the cold light source ii by the permanent magnet; and is also clamped in the cold light source shell II-1 by the movable block 13; when the light guide part 1 moves to be completely attached to the cold light source II; the movable block 13 is restored to the initial state and simultaneously jacks up the movable column II-2; the movable column II-2 shields the induction transmission port s on the photoelectric switch II-3; the photoelectric switch sends a signal to a control device of the system; the control device of the system detects that the light guide part or the endoscope I is inserted completely; starting power supply and signal transmission; the light guide part 1 and the cold light source II are doubly fixed by a permanent magnet and a movable block 13; the light guide part 1 cannot fall off from the cold light source II due to external force; and the connection is reliable.
As shown in fig. 7, when the light guide portion is ready to be pulled out; pressing the button 12; the button 12 drives the movable block 13 to compress the return spring 15 to move downwards; when the movable block 13 moves downward; the movable column II-2 on the cold light source II synchronously moves downwards due to the gravity factor; when the movable block 13 moves downwards to be separated from the cold light source shell II-1; the movable column II-2 does not shield the sensing transmission port s of the photoelectric switch light any more; at this time, the control device of the system receives the command that the light guide part 1 is ready to be pulled out and cuts off the power supply and signal transmission of the system; when the movable block 13 continues to move downwards until the movable block is completely separated from the cold light source shell II-1; the light guide part 1 can be directly pulled out from the cold light source II.
The system of the utility model can automatically detect when the light guide part 1 is inserted; when the cold light source II can not be completely drawn out of the light guide part 1; the power supply and the signal transmission of the system can be cut off in advance; the equipment can be effectively prevented from being damaged due to forced pulling or accidental pulling; cutting off the high-brightness light before the light guide is pulled off completely avoids the risk of shooting the eyes of the operator.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A movable block is characterized in that one end of the movable block (13) is provided with a first limiting groove (13-1), and a positioning column (13-2) is arranged in the first limiting groove (13-1); the other end of the movable block (13) is provided with a second limit groove (13-3), a third limit groove (13-4) and a first guide inclined plane (b).
2. The movable block according to claim 1, wherein the first guide slope (b) is inclined at an angle of 30 ° to 75 °.
3. A light guide part, characterized in that a concave light guide part shell (14) is arranged on the light guide part (1), a cylindrical positioning groove (14-1) and a movable block (13) according to claim 1 or 2 are arranged in the light guide part shell (14), and the positioning column (13-2) is in sliding fit with the positioning groove (14-1).
4. A light guide part as claimed in claim 3, characterized in that a return spring (15) is provided between the outer side wall of the positioning groove (14-1) and the inner side wall of the first limiting groove (13-1).
5. A light guide part as claimed in claim 3, wherein the light guide part case (14) is provided with a stopper (11), a limit plate (16) is provided between the stopper (11) and the movable block (13), and the limit plate (16) extends into the second limit groove (13-3).
6. A light guide part as claimed in claim 3, characterized in that a button (12) is fixed in the third limiting groove (13-4).
7. A light guide part as defined in claim 3, wherein a first permanent magnet (17) and a second permanent magnet (18) are provided at both ends of the light guide part (1) in the X direction, respectively.
8. A light guide part as defined in claim 7, wherein the light guide part (1) is provided with a first flap (19) which can abut against the Z-direction side surfaces of the first permanent magnet (17) and the second permanent magnet (18).
9. A connecting structure of a light guide part and a cold light source, characterized in that the light guide part is the light guide part (1) according to any one of claims 3 to 8;
a cold light source shell (II-1) is arranged on the cold light source (II), and the Z-direction side surface of the cold light source shell (II-1) is abutted against the stop block (11);
a second guide inclined plane (a) matched with the first guide inclined plane (b) is arranged on the cold light source shell (II-1);
the side wall of the second limiting groove (13-3) is abutted against the inner side face of the cold light source shell (II-1);
the cold light source (II) is provided with a third permanent magnet (II-5) and a fourth permanent magnet (II-6) which respectively correspond to the first permanent magnet (17) and the second permanent magnet (18);
and the cold light source (II) is provided with a second baffle (II-1) and a third baffle (II-7) which can be abutted against the X-direction and Y-direction side surfaces of the third permanent magnet (II-5) and the fourth permanent magnet (II-6).
10. An electronic endoscope system, characterized by comprising a light guide (1) according to any of claims 3 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514275.4U CN213429973U (en) | 2020-07-28 | 2020-07-28 | Movable block, light guide part, connecting structure and electronic endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514275.4U CN213429973U (en) | 2020-07-28 | 2020-07-28 | Movable block, light guide part, connecting structure and electronic endoscope system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213429973U true CN213429973U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021514275.4U Active CN213429973U (en) | 2020-07-28 | 2020-07-28 | Movable block, light guide part, connecting structure and electronic endoscope system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213429973U (en) |
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2020
- 2020-07-28 CN CN202021514275.4U patent/CN213429973U/en active Active
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Effective date of registration: 20211231 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing. Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |