CN209122163U - Medical camera lens is peeped in a kind of water proof type - Google Patents
Medical camera lens is peeped in a kind of water proof type Download PDFInfo
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- CN209122163U CN209122163U CN201821127891.7U CN201821127891U CN209122163U CN 209122163 U CN209122163 U CN 209122163U CN 201821127891 U CN201821127891 U CN 201821127891U CN 209122163 U CN209122163 U CN 209122163U
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- eyeglass
- lens
- light
- lens barrel
- water proof
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Abstract
The utility model relates to optical lens technology field, discloses in a kind of water proof type and peep medical camera lens, solve endoscope in practice and need to be provide with waterproof outer cover outside, increase the volume of endoscope, inflexible problem inconvenient to use.Its key points of the technical solution are that peeping medical camera lens in a kind of water proof type; including lens barrel and the lens set being set in lens barrel; described lens barrel one end is provided with light inlet; the light inlet is provided with clamping ring close to the edge of entering light side; it is provided between clamping ring and the lens set and abuts seat; the abutting seat is wholely set with the lens barrel, and the clamping ring is provided with the first protection glass with abutting between seat;The lens barrel is provided with light-emitting window far from light inlet one end, and the light-emitting window is provided with the second protection glass.The utility model effectively can prevent environmental liquids from entering inside endoscope, eliminate the waterproof outer cover of external tothe endoscope, reduce the volume of endoscope, so that endoscope is more convenient to use flexibly.
Description
Technical field
The utility model relates to optical lens technology fields, more specifically, it relates to peep medical mirror in a kind of water proof type
Head.
Background technique
Endoscope is to have concentrated traditional optical, ergonomics, precision machinery, hyundai electronics, mathematics, software etc. in one
Detecting instrument.Endoscope is assembled by mechanisms such as imaging sensor, optical lens, light source illumination, mechanical devices, can be via
The natural hole of human body or postoperative small notch enter in human body, carry out medical examination or observation lesion situation.
In the prior art, patent announcement number is that the Chinese patent of CN207336911U proposes a kind of endoscope lens, is wrapped
Include the first lens set gradually from object side, diaphragm, the second lens, the third lens, cmos image sensor, the first lens,
Two lens and the third lens are the setting that is spaced apart with air, and the first lens, the second lens and the third lens are that spherical surface is saturating
Mirror, the first lens are planar lens, and the second lens and the third lens are plano-convex lens.
Although endoscope lens as described above realize the micromation of endoscope, but need in actual use
Increase waterproof outer cover to prevent liquid entry into inside endoscope, increases the volume of endoscope, it is inconvenient to use not flexible.
Utility model content
It needs to be provide with waterproof outer cover outside for endoscope in practice, the volume of endoscope is increased, using not
Facilitate inflexible problem, the utility model aim is to propose to peep medical camera lens in a kind of water proof type, by light inlet and
The first protection glass and the second protection glass is respectively set in light-emitting window, effectively environmental liquids can be prevented to enter in endoscope head
Portion eliminates the waterproof outer cover outside endoscope head, and concrete scheme is as follows:
Medical camera lens is peeped in a kind of water proof type, including lens barrel and the lens set being set in lens barrel, described lens barrel one end is set
It is equipped with light inlet, the light inlet is provided with clamping ring close to the edge of entering light side, is arranged between clamping ring and the lens set
There is abutting seat, the abutting seat is wholely set with the lens barrel, and the clamping ring is provided with the first protection glass with abutting between seat
Glass;
The lens barrel is provided with light-emitting window far from light inlet one end, and the light-emitting window is provided with the second protection glass.
By above-mentioned setting, the light inlet and light-emitting window of section are respectively arranged with the first protection glass and second before and after lens barrel
Glass is protected, effectively environmental liquids can be prevented to enter inside endoscope.Simultaneously because endoscope needs to dip down when in use
Tiltedly, so the first protection glass clamp in clamping ring and is abutted between seat, the waterproof outer cover outside endoscope head is eliminated, is reduced
The volume of endoscope head, it is more convenient to use flexibly, and be clamped ring and can ensure that the first protection glass will not be in endoscope
It falls when in use, prevents the generation of malpractice.
Further, fixing groove is offered between abutting seat and the lens barrel, the fixing groove is arranged around lens barrel, described
The sealant for being bonded the first eyeglass is provided in fixing groove.
By above-mentioned setting, on the one hand sealant secures the first lens position, on the other hand can prevent environmental liquids
It is entered inside endoscope from the gap that the first eyeglass connects with lens barrel.
Further, the abutting seats against the inclined surface being provided with through lens barrel axle center side for expanding light-inletting quantity.
By above-mentioned setting, it is logical that the light that a radius gradually collapses is constituted between the first protection glass and the first eyeglass
Road enables endoscope to obtain a good depth of field.
Further, the lens set includes the second mirror for the first eyeglass of optically focused and for improving imaging definition
Piece, first eyeglass protrude setting to along light direction of advance close to the side of second eyeglass, and second eyeglass leans on
The side light direction of advance of nearly first eyeglass, which is recessed, to be arranged, and side of second eyeglass far from first eyeglass is in
Center is recessed at light inlet, protrudes setting at four circumferential light-emitting windows.
By above-mentioned setting, the first eyeglass is set as convex lens, and to play the role of optically focused, intermediate intensive week is presented in light
The loose characteristic in side, the second eyeglass is set as the shape of intermediate recess peripheral projection far from the side of the first eyeglass, so that two sides
Loose light is gathered to centre, to improve the imaging definition of imaging system.
Further, between the abutting seat and the first eyeglass, between first eyeglass and the second eyeglass, described second
It is provided with anti-dazzling screen between eyeglass and the second protection glass, loophole, the loophole are offered at the anti-dazzling screen center
Diameter along light direction of advance by subtract increase.
By above-mentioned setting, anti-dazzling screen can effectively prevent light refraction to the first eyeglass and the second lens edge position
Veiling glare is generated, imaging definition is influenced.
Further, diaphragm piece is provided in the loophole abutted between seat and the first eyeglass.
By above-mentioned setting, diaphragm piece plays the role of controlling light-inletting quantity, that is, reaches the strong and weak mesh adjusted through light beam
's.
Further, the central axis of first eyeglass, the second eyeglass and loophole is all set on same straight line.
By above-mentioned setting, the central axis of the first eyeglass, the second eyeglass and loophole is set as collinearly, clear to obtain
Optical imaging effect.
Further, the clamping groove for being clamped with external devices, the card are surrounded on the lens barrel lateral wall
Access slot is arranged in parallel with light inlet.
By above-mentioned setting, lens barrel is connected in external devices, facilitates the use of endoscope.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) it by the way that the first protection glass and the second protection glass is respectively set in light inlet and light-emitting window, can effectively hinder
Only environmental liquids enter inside endoscope, eliminate the waterproof outer cover outside endoscope head, reduce the volume of endoscope head, make
With it is more convenient flexibly；
(2) by setting clamping ring and abutting seat, prevent the first protection glass from loosening when in use or from endoscope
Falling off prevents malpractice；
(3) by setting anti-dazzling screen, light refraction can be effectively prevent to the first eyeglass and the second lens edge position
Veiling glare is generated, imaging definition is influenced.
Detailed description of the invention
Fig. 1 is the overall schematic that medical camera lens is peeped in water proof type；
Fig. 2 is that light propagates schematic diagram in camera lens.
Appended drawing reference: 1, lens barrel；2, lens set；21, the first eyeglass；22, the second eyeglass；3, light inlet；4, it is clamped ring；5,
Abut seat；6, the first protection glass；7, light-emitting window；8, the second protection glass；9, fixing groove；10, inclined surface；11, anti-dazzling screen；
12, loophole；13, diaphragm piece；14, clamping groove.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
As shown in Figure 1, medical camera lens is peeped in a kind of water proof type, including lens barrel 1 and the lens set 2 being set in lens barrel 1, mirror
The clamping groove 14 for being clamped with external component is surrounded on 1 lateral wall of cylinder, lens set 2 includes the first eyeglass 21 and second
Eyeglass 22.1 one end of lens barrel is provided with light inlet 3, and light inlet 3 is provided with clamping ring 4 close to the edge of entering light side, and clamping ring 4 is
The convex block that the light inlet 3 of lens barrel 1 extends to its axle center.Be provided between clamping ring 4 and lens set 2 and abut seat 5, abut seat 5 and
Lens barrel 1 is integrally formed, and abuts seat 5 by being provided with inclined surface 10,10 surrounding lens axle center of inclined surface at 1 axle center of lens barrel and shape is arranged
The passage of light gradually collapsed at a radius along the light direction of propagation.Clamping ring 4 is connected with the first protection with abutting between seat 5
Glass 6, the first protection 6 side of glass are abutted with clamping ring 4, and the other side is abutted with seat 5 is abutted;The lens barrel 1 is far from light inlet 3
One end is provided with light-emitting window 7, and the light-emitting window 7 is provided with the second protection glass 8, and the second protection glass 8 is glued in light-emitting window 7
Place.
It abuts and offers fixing groove 9 between seat 5 and lens barrel 1, fixing groove 9 is annular in shape and is arranged around 1 inner wall of lens barrel, fixed
Sealant is provided in slot 9, sealant had not only secured 21 position of the first eyeglass but also environmental liquids can be prevented from the first eyeglass 21
It is entered inside endoscope in the gap to connect with lens barrel 1.
Specifically, in order to improve the imaging definition of imaging system.First eyeglass 21 is set as convex lens, close to described
The side of second eyeglass 22 is to along the hemispherical protrusion setting of light direction of advance.Second eyeglass 22 is close to first mirror
The side light direction of advance of piece 21, which is recessed, to be arranged, and side of second eyeglass 22 far from first eyeglass 21 is wavy
It is arranged, is recessed at center, surrounding protrusion.
As advanced optimizing, abut between seat 5 and the first eyeglass 21, between the first eyeglass 21 and the second eyeglass 22, the
It is provided with three pieces anti-dazzling screen 11 between two eyeglasses 22 and the second protection glass 8, offers circle at 11 center of anti-dazzling screen
Loophole 12,12 diameter of loophole closer to light-emitting window 7 is bigger.
It abuts in the loophole 12 between seat 5 and the first eyeglass 21 and is provided with diaphragm piece 13, the first eyeglass 21 and the second mirror
Loophole 12 between piece 22 is set on the outside of 21 hemispherical projections of the first eyeglass.First eyeglass 21, the second eyeglass 22 and thoroughly
The central axis of unthreaded hole 12 is overlapped with 1 central axis of lens barrel.
Paths path:
As shown in Fig. 2, light enters through the first protection glass 6 from 1 light inlet 3 of lens barrel, by passage of light, by
Unirefringence occurs for one eyeglass 21, plays focusing light effect, and birefringence then occurs by the second eyeglass 22, and it is clear to play raising imaging
The effect of clear degree.
The utility model effectively can prevent environmental liquids from entering inside endoscope, eliminate the waterproof outside endoscope head
Outer cover reduces the volume of endoscope head, so that endoscope is more convenient to use flexibly, while passing through setting clamping ring 4, abutting
Seat 5 and filling with sealant, increase the stability and leakproofness of the first protection glass 6, and can effectively prevent the first protection glass
Glass 6 endoscope using when fall, avoid occur malpractice.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. peeping medical camera lens in a kind of water proof type, which is characterized in that including lens barrel (1) and the lens set being set in lens barrel (1)
(2), described lens barrel (1) one end is provided with light inlet (3), and the light inlet (3) is provided with clamping ring close to the edge of entering light side
(4), it is provided with and abuts seat (5) between the clamping ring (4) and lens set (2), the abutting seat (5) and the lens barrel (1) one
Body setting, the clamping ring (4) are provided with the first protection glass (6) with abutting between seat (5);
The lens barrel (1) is provided with light-emitting window (7) far from light inlet (3) one end, and the light-emitting window (7) is provided with the second protection glass
Glass (8).
2. peeping medical camera lens in water proof type according to claim 1, which is characterized in that the abutting seat (5) and lens barrel (1)
Between offer fixing groove (9), the fixing groove (9) is arranged around lens barrel (1), is provided with for gluing in the fixing groove (9)
Connect the sealant of the first eyeglass (21).
3. peeping medical camera lens in water proof type according to claim 2, which is characterized in that the abutting seat (5) is by described in warp
Lens barrel (1) axle center side is provided with the inclined surface (10) for expanding light-inletting quantity.
4. peeping medical camera lens in water proof type according to claim 1, which is characterized in that the lens set (2) includes being used for
The first eyeglass (21) of optically focused and the second eyeglass (22) for improving imaging definition, first eyeglass (21) is close to described
Setting is protruded to along light direction of advance in the side of second eyeglass (22), and second eyeglass (22) is close to first eyeglass
(21) side light direction of advance is recessed setting, during side of second eyeglass (22) far from first eyeglass (21) be in
The heart is recessed at light inlet (3), protrudes setting at four circumferential light-emitting windows (7).
5. peeping medical camera lens in water proof type according to claim 4, which is characterized in that the abutting seat (5) and the first mirror
Between piece (21), between first eyeglass (21) and the second eyeglass (22), second eyeglass (22) with second protection glass
(8) it is provided with anti-dazzling screen (11), is offered loophole (12) at anti-dazzling screen (11) center, the loophole (12) between
Diameter along light direction of advance by subtract increase.
6. peeping medical camera lens in water proof type according to claim 5, which is characterized in that the abutting seat (5) and the first mirror
Diaphragm piece (13) are provided in loophole (12) between piece (21).
7. peeping medical camera lens in water proof type according to claim 6, which is characterized in that first eyeglass (21), second
The central axis of eyeglass (22) and loophole (12) is all set on same straight line.
8. peeping medical camera lens in water proof type according to claim 1, which is characterized in that ring on lens barrel (1) lateral wall
It is provided around the clamping groove (14) for being clamped with external devices, the clamping groove (14) is arranged in parallel with light inlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127891.7U CN209122163U (en) | 2018-07-17 | 2018-07-17 | Medical camera lens is peeped in a kind of water proof type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127891.7U CN209122163U (en) | 2018-07-17 | 2018-07-17 | Medical camera lens is peeped in a kind of water proof type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209122163U true CN209122163U (en) | 2019-07-19 |
Family
ID=67227286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821127891.7U Active CN209122163U (en) | 2018-07-17 | 2018-07-17 | Medical camera lens is peeped in a kind of water proof type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209122163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021132433A1 (en) * | 2019-12-25 | 2021-07-01 | 株式会社精工技研 | Lens unit |
-
2018
- 2018-07-17 CN CN201821127891.7U patent/CN209122163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021132433A1 (en) * | 2019-12-25 | 2021-07-01 | 株式会社精工技研 | Lens unit |
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