CN212869523U

CN212869523U - Lighting structure for endoscope

Info

Publication number: CN212869523U
Application number: CN202022497983.8U
Authority: CN
Inventors: 许林伟; 刘云东; 周锐
Original assignee: Shenzhen Daotusi Industrial Design Co ltd
Current assignee: Shenzhen Daotusi Industrial Design Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-04-02
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses an illumination structure for endoscope, including camera lens shell, endoscope head and two pigtails of setting in the camera lens shell and fix at the left pipe of buckling of camera lens shell, first ring channel has been seted up on the right side of camera lens shell, and movable contact has annular LED light on the left side inner wall of first ring channel, the left side of annular LED light is provided with electrically conductive plug, two perforation have been seted up on the left side inner wall of first ring channel, endoscope head is located between two perforations, the pigtail is located the perforation of correspondence, the bonding cover is equipped with the insulating gum cover in the perforation, and the bonding cover is equipped with the conductive copper billet in the insulating gum cover, the left side of conductive copper billet is fixed and electric connection with the right-hand member of the pigtail that corresponds. The utility model relates to a rationally, easy and simple to handle, be convenient for carry out the dismouting change to annular LED light alone fast, need not whole change, from long-term the use, reduce the replacement cost, satisfy the user demand, be favorable to using.

Description

Lighting structure for endoscope

Technical Field

The utility model relates to an illumination technical field especially relates to an illumination structure for endoscope.

Background

The industrial endoscope is used for observing the part which can not be observed by naked eyes, can realize nondestructive detection without disassembling or destroying assembly and equipment stopping operation, is widely applied to various departments of modern core industries such as aviation, automobiles, ships, electricity, chemistry, electric power, gas, civil construction and the like, and has the basic principle that light reflected by an observed object is received by a CCD (charge coupled device) or CMOS (complementary metal oxide semiconductor) image sensor, the light is converted into an electric signal, the signal is transmitted to a video information processing center through a lead to be stored and processed, and finally the signal is transmitted to a television monitor to display the image of the observed object on a screen, the using effect of the industrial endoscope is directly influenced by the quality of the image, and auxiliary illuminating lamps are integrally arranged at the camera lens end of the industrial endoscope at present.

The illuminating lamp at the end part of the camera lens of the existing industrial endoscope has the defect that the camera lens is not convenient to disassemble and replace quickly, the illuminating lamp is difficult to replace when damaged, the lens at the end part and the illuminating lamp are mostly required to be replaced integrally, the integral replacement cost is high for long-term use, the use requirement cannot be met, and aiming at the phenomenon, the illuminating structure for the endoscope is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing an illuminating structure for an endoscope.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an illumination structure for an endoscope comprises a lens shell, an endoscope lens and two flexible wires which are arranged in the lens shell, and a bendable pipe which is fixed on the left side of the lens shell, wherein a first annular groove is formed in the right side of the lens shell, an annular LED illuminating lamp is movably contacted with the inner wall of the left side of the first annular groove, a conductive plug is arranged on the left side of the annular illuminating lamp, two through holes are formed in the inner wall of the left side of the first annular groove, the endoscope lens is positioned between the two through holes, the flexible wires are positioned in the corresponding through holes, an insulating rubber sleeve is adhered and sleeved in the through holes, a conductive copper block is adhered and sleeved in the insulating rubber sleeve, the left side of the conductive copper block is fixed and electrically connected with the right end of the corresponding flexible wire, the left end of the flexible wire extends into the bendable pipe, the conductive copper block is movably sleeved on the corresponding conductive plug, and the slip cap is equipped with the shift ring on the inside wall of second ring channel, the equal fixedly connected with pull head in top and the bottom of shift ring, the rectangular channel has all been seted up on the top inner wall of first ring channel and the bottom inner wall, and the L shape pin is installed to the rectangular channel internal rotation, two L shape pin symmetries set up, the one end that two L shape pins are close to each other all extends to in the first ring channel, the left side of L shape pin and the right side movable contact of annular LED light, the extension spring that fixedly connected with slope set up between the right side of L shape pin and the right side inner wall of the rectangular channel that corresponds, the left side fixedly connected with stay cord of L shape pin, and the left end of stay cord extend to in the second ring channel and with the right side fixed connection of shift ring.

Preferably, the upper flexible lead of the two flexible leads is an anode lead, and the lower flexible lead is a cathode lead.

Preferably, the right side of the conductive copper block is provided with a groove, and the inner wall of the groove is movably contacted with the outer side of the corresponding conductive plug.

Preferably, a pin shaft is fixedly connected between the front side inner wall and the rear side inner wall of the rectangular groove, a first round hole is formed in the front side of the L-shaped stop lever, the inner wall of the first round hole is in movable contact with the outer side of the corresponding pin shaft, the two pin shafts are located between the two tension springs, and the two pin shafts are located between the two pull ropes.

Preferably, a second round hole communicated with the second annular groove is formed in the inner wall of the left side of the rectangular groove, the pull rope is located in the corresponding second round hole, and the side wall of the second round hole is not in contact with the outer side of the corresponding pull rope.

Preferably, the moving ring is formed by bonding and fixing two semicircular rings, and the inner side of the moving ring is in sliding contact with the inner side wall of the second annular groove.

Preferably, the outer side of the endoscope head is bonded and fixed to the inner side of the head housing.

Compared with the prior art, the beneficial effects of the utility model are that:

through the lens shell, the endoscope lens, the bendable pipe, the first annular groove, the annular LED illuminating lamp, the conductive plug, the perforation, the flexible conducting wire, the conductive copper block, the insulating rubber sleeve, the second annular groove, the moving ring, the pull head, the rectangular groove, the L-shaped stop lever, the tension spring and the pull rope are matched with the grooves, when the flexible LED illuminating lamp is replaced, the two pull heads are moved leftwards to drive the moving ring to move leftwards, the moving ring drives the two L-shaped stop levers to rotate on the corresponding pin shafts respectively through the two pull ropes, the L-shaped stop lever stretches the corresponding tension spring, the L-shaped stop lever is gradually separated and staggered from the right side of the annular LED illuminating lamp, at the moment, the right end of the lens shell can be moved downwards and shaken, so that the annular LED illuminating lamp falls out from the first annular groove, the annular LED illuminating lamp drives the two conductive plugs to be separated from the two grooves, the separation is, the annular LED light drives two conductive plugs and inserts respectively in the recess that corresponds, loosens the pulling force to the pull head left this moment, and the elasticity of the extension spring that is in tensile state this moment drives the L shape pin gyration that corresponds and resets, and L shape pin drives the shifting ring through the stay cord that corresponds and moves back to the right and resets, and L shape pin again presses the fender at the right side of annular LED light this moment, and the installation is accomplished, can carry out the dismouting change to annular LED light alone fast.

The utility model relates to a rationally, easy and simple to handle, be convenient for carry out the dismouting change to annular LED light alone fast, need not whole change, from long-term the use, reduce the replacement cost, satisfy the user demand, be favorable to using.

Drawings

Fig. 1 is a schematic structural view of an illumination structure for an endoscope according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a right-view structural diagram of fig. 1.

In the figure: 100 lens shells, 101 endoscope lenses, 102 bendable tubes, 1 first annular groove, 2 annular LED illuminating lamps, 3 conductive plugs, 4 through holes, 5 flexible wires, 6 conductive copper blocks, 7 insulating rubber sleeves, 8 second annular grooves, 9 moving rings, 10 sliders, 11 rectangular grooves, 12L-shaped stop levers, 13 tension springs, 14 pull ropes and 15 grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an illumination structure for an endoscope comprises a lens housing 100, an endoscope head 101 and two flexible wires 5 arranged in the lens housing 100, and a bendable tube 102 fixed on the left side of the lens housing 100, wherein a first annular groove 1 is formed on the right side of the lens housing 100, an annular LED illuminating lamp 2 is movably contacted with the left inner wall of the first annular groove 1, a conductive plug 3 is arranged on the left side of the annular illuminating lamp 2, two through holes 4 are formed on the left inner wall of the first annular groove 1, the endoscope head 101 is positioned between the two through holes 4, the flexible wires 5 are positioned in the corresponding through holes 4, an insulating rubber sleeve 7 is adhesively sleeved in the through holes 4, a conductive copper block 6 is adhesively sleeved in the insulating rubber sleeve 7, the left side of the conductive copper block 6 is fixed and electrically connected with the right end of the corresponding flexible wire 5, the left end of the flexible wire 5 extends into the bendable tube 102, the conductive copper block 6 is movably sleeved on the corresponding conductive plug 3, a second annular groove 8 is arranged on the outer side of the lens shell 100, a movable ring 9 is slidably sleeved on the inner side wall of the second annular groove 8, sliders 10 are fixedly connected to the top and the bottom of the movable ring 9, rectangular grooves 11 are arranged on the inner wall of the top and the inner wall of the bottom of the first annular groove 1, L-shaped stop levers 12 are rotatably mounted in the rectangular grooves 11, the two L-shaped stop levers 12 are symmetrically arranged, the mutually close ends of the two L-shaped stop levers 12 extend into the first annular groove 1, the left sides of the L-shaped stop levers 12 are in movable contact with the right side of the annular LED illuminating lamp 2, obliquely arranged tension springs 13 are fixedly connected between the right sides of the L-shaped stop levers 12 and the inner wall of the right side of the corresponding rectangular groove 11, a pull rope 14 is fixedly connected to the left sides of the L-shaped stop levers 12, and the left end of the pull rope 14 extends into the, the utility model relates to a rationally, easy and simple to handle, be convenient for carry out the dismouting change to annular LED light 2 alone fast, need not whole change, from long-term the use, reduce the replacement cost, satisfy the user demand, be favorable to using.

In the utility model, the upper flexible lead 5 of the two flexible leads 5 is an anode lead, the lower flexible lead 5 is a cathode lead, the anode lead and the cathode lead are respectively connected with a power switch of an external endoscope, the right side of the conductive copper block 6 is provided with a groove 15, the inner wall of the groove 15 is movably contacted with the outer side of the corresponding conductive plug 3, a pin shaft is fixedly connected between the front inner wall and the rear inner wall of the rectangular groove 11, the front side of the L-shaped stop lever 12 is provided with a first round hole, the inner wall of the first round hole is movably contacted with the outer side of the corresponding pin shaft, the two pin shafts are positioned between two tension springs 13, the two pin shafts are positioned between two pull ropes 14, the left inner wall of the rectangular groove 11 is provided with a second round hole communicated with the second annular groove 8, the pull ropes 14 are positioned in the corresponding second round holes, and the side wall of the second round hole is not contacted with the outer side of, the shift ring 9 is fixed by two semicircle rings each other bonding and forms, and the inboard of shift ring 9 and the inside wall sliding contact of second ring channel 8, the outside of endoscope head 101 and the inboard bonding of camera lens shell 100 are fixed, the utility model relates to a rationally, it is easy and simple to handle, be convenient for carry out the dismouting change to annular LED light 2 alone fast, need not whole change, from long-term the use, reduce the replacement cost, satisfy the user demand, be favorable to the use.

The working principle is as follows: because the upper flexible lead 5 of the two flexible leads 5 is an anode lead, the lower flexible lead 5 is a cathode lead, and the two conductive plugs 3 on the annular LED illuminating lamp 2 are electrically connected with the two flexible leads 5 through the two conductive copper blocks 6 to form a loop, at the moment, when the anode lead and the cathode lead are communicated with an external switch power supply, the annular LED illuminating lamp 2 is electrified and lighted;

when the annular LED illuminating lamp 2 is damaged and is not bright and needs to be replaced, the two sliders 10 are moved leftwards, the two sliders 10 drive the moving ring 9 to slide leftwards in the second annular groove 8, the moving ring 9 drives the two pull ropes 14 to move leftwards, the pull ropes 14 pull the corresponding L-shaped stop levers 12 to rotate on the pin shafts, the L-shaped stop levers 12 stretch the corresponding tension springs 13, and simultaneously, the L-shaped stop levers are separated from the right side of the annular LED illuminating lamp 2 and gradually staggered with the rotation of the L-shaped stop levers 12, at the moment, the right end of the lens shell 100 can be downwards swung, the annular LED illuminating lamp 2 falls out of the first annular groove 1, the annular LED illuminating lamp 2 drives the two conductive plugs 3 to be separated from the two grooves 15, and the separation;

during installation, press into first ring channel 1 with new annular LED light 2 left, annular LED light 2 drives two electrically conductive plugs 3 and inserts respectively in the recess 15 that corresponds, relax the pulling force to pull head 10 left this moment, the elasticity of the extension spring 13 that is in tensile state drives the L shape pin 12 gyration that corresponds and resets this moment, L shape pin 12 drives shift ring 9 through the stay cord 14 that corresponds and moves back to the right and resets, L shape pin 12 presses the right side of keeping off at annular LED light 2 again this moment, the realization is fixed annular LED light 2, the installation is accomplished, make it to be convenient for carry out the dismouting change to annular LED light 2 alone fast, need not whole change, from long-term use, reduce the replacement cost.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An illumination structure for an endoscope comprises a lens shell (100), an endoscope lens (101) and two flexible conducting wires (5) which are arranged in the lens shell (100), and a bendable pipe (102) which is fixed on the left side of the lens shell (100), and is characterized in that a first annular groove (1) is formed in the right side of the lens shell (100), an annular LED illuminating lamp (2) is movably contacted with the inner wall of the left side of the first annular groove (1), a conductive plug (3) is arranged on the left side of the annular LED illuminating lamp (2), two through holes (4) are formed in the inner wall of the left side of the first annular groove (1), the endoscope lens (101) is positioned between the two through holes (4), the flexible conducting wires (5) are positioned in the corresponding through holes (4), an insulating rubber sleeve (7) is arranged in the through holes (4) in an adhesive manner, and a conductive copper block (6) is arranged in the insulating rubber sleeve, the left side of the conductive copper block (6) is fixed and electrically connected with the right end of the corresponding flexible lead (5), the left end of the flexible lead (5) extends into the bendable pipe (102), the conductive copper block (6) is movably sleeved on the corresponding conductive plug (3), the outer side of the lens shell (100) is provided with a second annular groove (8), the inner side wall of the second annular groove (8) is slidably sleeved with a movable ring (9), the top and the bottom of the movable ring (9) are both fixedly connected with pull heads (10), the inner wall of the top and the inner wall of the bottom of the first annular groove (1) are both provided with rectangular grooves (11), L-shaped stop levers (12) are rotatably installed in the rectangular grooves (11), the two L-shaped stop levers (12) are symmetrically arranged, the ends of the two L-shaped stop levers (12) close to each other all extend into the first annular groove (1), the left side of the L-shaped stop levers (12) is movably contacted with the right side of the annular LED illuminating lamp (2), fixedly connected with slope extension spring (13) that set up between the right side of L shape pin (12) and the right side inner wall of corresponding rectangular channel (11), the left side fixedly connected with stay cord (14) of L shape pin (12), and the left end of stay cord (14) extend to in second ring channel (8) and with the right side fixed connection of shifting ring (9).

2. An illuminating structure for an endoscope according to claim 1, characterized in that the upper flexible wire (5) of the two flexible wires (5) is an anode wire, and the lower flexible wire (5) is a cathode wire.

3. An illuminating structure for an endoscope, according to claim 1, characterized in that the right side of said conductive copper block (6) is provided with a groove (15), and the inner wall of the groove (15) is movably contacted with the outer side of the corresponding conductive plug (3).

4. An illuminating structure for an endoscope, according to claim 1, characterized in that a pin is fixedly connected between the front inner wall and the rear inner wall of said rectangular groove (11), a first round hole is opened on the front side of said L-shaped stop lever (12), and the inner wall of said first round hole is movably contacted with the outer side of the corresponding pin, two pins are located between two tension springs (13), and two pins are located between two pull ropes (14).

5. An illuminating structure for an endoscope according to claim 1, characterized in that a second circular hole communicating with the second annular groove (8) is opened on the left inner wall of the rectangular groove (11), the pull cord (14) is positioned in the corresponding second circular hole, and the side wall of the second circular hole is not in contact with the outer side of the corresponding pull cord (14).

6. An illuminating structure for an endoscope according to claim 1, characterized in that said moving ring (9) is formed by bonding and fixing two semicircular rings to each other, and the inner side of the moving ring (9) is in sliding contact with the inner side wall of the second annular groove (8).

7. An illumination structure for an endoscope according to claim 1, characterized in that an outer side of said endoscope head (101) is bonded and fixed to an inner side of a head housing (100).