CN209059139U - Endoscope guiding device - Google Patents
Endoscope guiding device Download PDFInfo
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- CN209059139U CN209059139U CN201821488087.1U CN201821488087U CN209059139U CN 209059139 U CN209059139 U CN 209059139U CN 201821488087 U CN201821488087 U CN 201821488087U CN 209059139 U CN209059139 U CN 209059139U
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- light
- lens barrel
- endoscope
- guiding device
- lens
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Abstract
The utility model provides a kind of endoscope guiding device, belongs to endoscopic technique field.It, which solves the problems, such as to be shone directly on lens barrel in existing endoscope guiding device by the light that light source issues, causes lens barrel to generate heat.This endoscope guiding device, including the lens barrel being set in endoscope bracket and set on the eyeglass being coaxially disposed with the lens of endoscope illuminator of lens barrel one end, guide-lighting optical cable is equipped in lens barrel, the entering light end face of guide-lighting optical cable is coaxial with eyeglass and is oppositely arranged, the light barrier for preventing the light projected by lens to be irradiated to lens barrel is equipped between lens barrel and lens, light barrier is equipped with the loophole coaxial with eyeglass, and light barrier is connected on endoscope bracket.The utility model can effectively prevent light and be irradiated on lens barrel, so that the temperature of lens barrel is reduced, while its is reasonable in design, long service life.
Description
Technical field
The utility model belongs to endoscopic technique field, is related to a kind of endoscope guiding device.
Background technique
Fujinon electronic video endoscope has insertion and is detected intracorporal elongated insertion section, is equipped in the front end of insertion section intracorporal to being detected
Look-out station irradiates the illuminating window of illumination light, and fujinon electronic video endoscope is connect with light supply apparatus, and light supply apparatus provides illumination light and passes through
Guiding device is guide-lighting to illuminating window.The guiding device of existing endoscope is as shown in Figure 1, include the mirror in endoscope bracket 1
Cylinder 2 and the guide-lighting optical cable in lens barrel 2, lens barrel 2 are equipped with eyeglass close to one end of light supply apparatus, the light inlet of guide-lighting optical cable with
Eyeglass is oppositely arranged.The light that light supply apparatus issues is incident on lens barrel 2 and eyeglass through lens 3, the light being incident on eyeglass
Line enters in guide-lighting optical cable and provides illumination for endoscope, and the light being radiated on lens barrel 2 then generates a large amount of heat, leads to mirror
2 fever of cylinder is serious, effectively reduces the service life of lens barrel 2.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, and proposing one kind can be relieved lens barrel fever
Endoscope guiding device.
The purpose of this utility model can be realized by the following technical scheme:
Endoscope guiding device, including be set to endoscope bracket in lens barrel and set on lens barrel one end and endoscope illuminator
Lens coaxial arrangement eyeglass, guide-lighting optical cable is equipped in the lens barrel, the entering light end face of the leaded light optical cable and eyeglass are same
It axis and is oppositely arranged, which is characterized in that be equipped between the lens barrel and lens for preventing the light irradiation projected by lens
To the light barrier of lens barrel, the light barrier is equipped with the loophole coaxial with eyeglass, and the light barrier is connected to endoscope
On bracket.
After lens, some light is irradiated on light barrier the light that endoscope illuminator issues, another part light warp
It crosses loophole to be irradiated on eyeglass, then go through in guide-lighting optical cable.Due to being provided with light barrier, light will not be irradiated to lens barrel
On, the temperature of lens barrel will not increase, and the area of light barrier is big, and absorbing the heat become after light can shed in time, have
Effect extends the service life of lens barrel.Wherein, light barrier is bolted on endoscope bracket by connection, to prevent heat from passing
It is delivered to endoscope bracket and improves safety, be additionally provided with insulation board between interior speculum holder and light barrier.
In above-mentioned endoscope guiding device, one end of the lens barrel is equipped with annular step, the eyeglass against
On interior ring-shaped step, the entering light end face of the leaded light optical cable is resisted against on eyeglass；It is formed in the middle part of the annular step
The coaxial light hole with loophole, the aperture of the loophole are less than the aperture of light hole.
In above-mentioned endoscope guiding device, the side that the light barrier is located at lens barrel is equipped with annular light-blocking part, institute
The annular light-blocking part and loophole stated are coaxially disposed, and the annular light-blocking part protrudes into light hole.Annular light-blocking part protrudes into
Into light hole, light can be prevented to be irradiated on the annular step of lens barrel.
In above-mentioned endoscope guiding device, the loophole is tapered, and the loophole is close to lens one end
Aperture is greater than loophole close to the aperture of eyeglass one end.The purpose is to enter more light.
In above-mentioned endoscope guiding device, the light barrier close to the side of lens barrel integrally formed with positioning seat,
There is the location hole being coaxially disposed with loophole, the lens barrel cooperation is set to positioning hole, above-mentioned in the positioning seat
Annular light-blocking part protrudes into positioning hole.Wherein the aperture of location hole is greater than the aperture of loophole, and positioning seat is equipped with lens barrel,
Even if having light be irradiated on lens barrel cause lens barrel generate heat after, positioning seat also can in time shed the heat of generation, while to mirror
The good positioning effect of cylinder.
In above-mentioned endoscope guiding device, the light barrier is the metal plate of black.Metal plate has stronger
Capacity of heat transmission can shed in time the heat of generation；Black can absorb light, not will cause the reflection of light.For the ease of
Manufacture, can coat one layer of black paint on a metal plate.
In above-mentioned endoscope guiding device, the light barrier is copper sheet.After copper sheet molding, made by blackening process
Blackening, specifically can following two ways: the surface oxidation of copper sheet being made to form the copper oxide of black by way of oxidation；In copper
The surface of plate coats one layer of black paint.
Compared with prior art, this endoscope guiding device has the advantage that
By the way that light barrier is arranged between the lens and lens barrel of endoscope illuminator, light can be prevented to be irradiated on lens barrel, quilt
The veiling glare blocked will not generate heat on lens barrel；Lens barrel is equipped with positioning seat simultaneously, and micro light is irradiated on lens barrel
The heat of generation can be exported in time by positioning seat and be shed by light barrier, and light-blocking plate suqare is big, good heat dissipation effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the endoscope guiding device provided in background technique.
Fig. 2 is the structural schematic diagram of preferred embodiment provided by the utility model.
Fig. 3 is the assembling schematic diagram of light barrier and lens barrel provided by the utility model.
Fig. 4 is the perspective view of the explosion of Fig. 3 provided by the utility model.
In figure, 1, endoscope bracket；2, lens barrel；21, annular step；22, light hole；3, lens；4, eyeglass；5, guide-lighting
Optical cable；6, light barrier；61, loophole；62, annular light-blocking part；63, positioning seat；64, location hole；7, insulation board.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Endoscope guiding device as shown in Figure 2 including the lens barrel 2 being set in endoscope bracket 1 and is set to 2 one end of lens barrel
The eyeglass 4 being coaxially disposed with the lens 3 of endoscope illuminator, guide-lighting optical cable 5 is equipped in lens barrel 2, as shown in figure 3, guide-lighting optical cable 5
Entering light end face it is coaxial with eyeglass 4 and be oppositely arranged, the light for preventing from being projected by lens 3 is equipped between lens barrel 2 and lens 3
It is irradiated to the light barrier 6 of lens barrel 2, light barrier 6 is equipped with the loophole 61 coaxial with eyeglass 4, and light barrier 6 is connected to endoscope branch
On frame 1.
The light that endoscope illuminator issues is after lens 3, and some light is irradiated on light barrier 6, another part light
It is irradiated on eyeglass 4, is then gone through in guide-lighting optical cable 5 by loophole 61.Due to being provided with light barrier 6, light will not shine
It is mapped on lens barrel 2, the temperature of lens barrel 2 will not increase, and the area of light barrier 6 is big, absorb the heat energy become after light
It sheds in time, effectively extends the service life of lens barrel 2.Wherein, light barrier 6 is bolted to endoscope bracket 1 by connection
On, as shown in Fig. 2, to prevent heat transfer to endoscope bracket 1 and improving safety, in interior speculum holder 1 and light barrier 6
Between be additionally provided with insulation board 7.
As shown in figure 4, one end of lens barrel 2 is equipped with annular step 21, eyeglass 4 is resisted against on annular step 21, guide-lighting
The entering light end face of optical cable 5 is resisted against on eyeglass 4；The middle part of annular step 21 is formed with the light hole coaxial with loophole 61
22, the aperture of loophole 61 is less than the aperture of light hole 22.
As shown in Figure 3 and Figure 4, the side that light barrier 6 is located at lens barrel 2 is equipped with annular light-blocking part 62, annular light-blocking part 62 with
Loophole 61 is coaxially disposed, and annular light-blocking part 62 protrudes into light hole 22.Annular light-blocking part 62 is extend into light hole 22, can
Light is prevented to be irradiated on the annular step 21 of lens barrel 2.
As shown in figure 4, loophole 61 is tapered, loophole 61 is close greater than loophole 61 close to the aperture of 3 one end of lens
The aperture of 4 one end of eyeglass, the purpose is to enter more light.
As shown in figure 4, light barrier 6 have close to the side of lens barrel 2 integrally formed with positioning seat 63, in positioning seat 63 with it is saturating
The location hole 64 that unthreaded hole 61 is coaxially disposed, the cooperation of lens barrel 2 are set in location hole 64, and annular light-blocking part 62 protrudes into location hole 64.
Wherein the aperture of location hole 64 is greater than the aperture of loophole 61, and positioning seat 63 is equipped with lens barrel 2, even if there is light to be irradiated to
After causing lens barrel 2 to generate heat on lens barrel 2, positioning seat 63 also can in time shed the heat of generation, while to the locating effect of lens barrel 2
It is good.
In the present embodiment, light barrier 6 is the metal plate of black.Metal plate has stronger capacity of heat transmission, can will generate
Heat shed in time；Black can absorb light, not will cause the reflection of light.For the ease of manufacture, can apply on a metal plate
Cover one layer of black paint.
Specifically, light barrier 6 is copper sheet.After copper sheet molding, blackening is allowed to by blackening process, it specifically can following two side
The surface oxidation of copper sheet is made to form the copper oxide of black by way of oxidation likes:；One layer of black paint is coated on the surface of copper sheet.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of endoscope guiding device including the lens barrel (2) being set in endoscope bracket (1) and is set to lens barrel (2) one end
The eyeglass (4) being coaxially disposed with the lens (3) of endoscope illuminator, the lens barrel (2) is interior equipped with guide-lighting optical cable (5), described to lead
The entering light end face of light optical cable (5) is coaxial with eyeglass (4) and is oppositely arranged, which is characterized in that the lens barrel (2) and lens (3)
Between be equipped with for preventing the light projected by lens (3) to be irradiated to the light barriers (6) of lens barrel (2), on the light barrier (6)
Equipped with the loophole (61) coaxial with eyeglass (4), the light barrier (6) is connected on endoscope bracket (1).
2. endoscope guiding device according to claim 1, which is characterized in that one end of the lens barrel (2) is equipped with inner ring
Shape step (21), the eyeglass (4) are resisted against on annular step (21), it is described leaded light optical cable (5) entering light end face against
On eyeglass (4)；The light hole (22) coaxial with loophole (61) is formed in the middle part of the annular step (21), it is described
The aperture of unthreaded hole (61) is less than the aperture of light hole (22).
3. endoscope guiding device according to claim 2, which is characterized in that the light barrier (6) is located at lens barrel (2)
Side be equipped with annular light-blocking part (62), the annular light-blocking part (62) and loophole (61) are coaxially disposed, and the ring
Shape light-blocking part (62) protrudes into light hole (22).
4. endoscope guiding device according to claim 1 or 2 or 3, which is characterized in that the loophole (61) is in cone
Shape, the loophole (61) are greater than loophole (61) close to the aperture of eyeglass (4) one end close to the aperture of lens (3) one end.
5. endoscope guiding device according to claim 3, which is characterized in that the light barrier (6) is close to lens barrel (2)
Side integrally formed with positioning seat (63), there is the location hole being coaxially disposed with loophole (61) in the positioning seat (63)
(64), the lens barrel (2) cooperation is set in location hole (64), and above-mentioned annular light-blocking part (62) protrudes into location hole (64).
6. endoscope guiding device according to claim 1, which is characterized in that the light barrier (6) is the gold of black
Belong to plate.
7. endoscope guiding device according to claim 6, which is characterized in that the light barrier (6) is copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488087.1U CN209059139U (en) | 2018-09-11 | 2018-09-11 | Endoscope guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488087.1U CN209059139U (en) | 2018-09-11 | 2018-09-11 | Endoscope guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209059139U true CN209059139U (en) | 2019-07-05 |
Family
ID=67092269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821488087.1U Active CN209059139U (en) | 2018-09-11 | 2018-09-11 | Endoscope guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209059139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477843A (en) * | 2019-09-17 | 2019-11-22 | 重庆金山医疗技术研究院有限公司 | Guide-lighting hose and endoscopic system |
| CN112155497A (en) * | 2020-09-30 | 2021-01-01 | 山东威高手术机器人有限公司 | Optical three-dimensional endoscope camera module |
-
2018
- 2018-09-11 CN CN201821488087.1U patent/CN209059139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477843A (en) * | 2019-09-17 | 2019-11-22 | 重庆金山医疗技术研究院有限公司 | Guide-lighting hose and endoscopic system |
| CN112155497A (en) * | 2020-09-30 | 2021-01-01 | 山东威高手术机器人有限公司 | Optical three-dimensional endoscope camera module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211214 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. |
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| TR01 | Transfer of patent right |