CN207529022U - A kind of high-definition camera endoscope head - Google Patents
A kind of high-definition camera endoscope head Download PDFInfo
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- CN207529022U CN207529022U CN201721730896.4U CN201721730896U CN207529022U CN 207529022 U CN207529022 U CN 207529022U CN 201721730896 U CN201721730896 U CN 201721730896U CN 207529022 U CN207529022 U CN 207529022U
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- endoscope head
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Abstract
The utility model discloses a kind of high-definition camera endoscope heads, are related to lens technology field, including：Preceding camera lens part is provided with outer press ring including being disposed with the first lens, the second lens, third lens and aperture, one end rotation of the preceding lens barrel far from aperture inside preceding lens barrel and its, and outer wall slip of the preceding lens barrel far from outer press ring one end is provided with connection ring；Rear lens portion includes the rear lens barrel being connect by connection ring with preceding lens barrel, and the 4th lens, the 5th lens and the 6th lens are disposed in rear lens barrel, and one end rotation of the rear lens barrel inside far from the 4th lens is provided with inner pressure ring.Endoscope head can be divided into preceding lens barrel and rear lens barrel, and preceding lens barrel and rear lens barrel plug connection simultaneously pass through connection ring and connect that integral, whole dismounting is convenient, can be with the lens and aperture inside quick-replaceable.Incident ray is passed sequentially through on the first lens, the second lens, third lens, aperture, the 4th lens, the 5th lens and the 6th lens projects to cover glass, and image is apparent and clear.
Description
Technical field
The utility model is related to lens technology field, more specifically, it relates to a kind of high-definition camera endoscope head.
Background technology
Endoscopic system experienced Centennial Development, be widely used, and in recent years, many companies develop many different models
Endoscope, applied to medicine and civilian industry.The use of more and more extensive endoscope convenient for clinical diagnosis, mitigates patient's
Clinical distress and raising operation are horizontal.
At present, notification number is that the Chinese patent of CN206178235U discloses a kind of endoscope lens, it includes lens barrel, hole
Piece, lens and lens mount, lens barrel are in hollow structure, and lens barrel one end is equipped with first through hole, and hole piece and lens are respectively positioned in lens barrel, make
It obtains first through hole, hole piece and lens and is arranged in order distribution, hole piece is equipped with the second through-hole, the center line of the second through-hole and the master of lens
Optical axis overlaps, and the lens barrel other end is threadedly coupled with lens mount.
Lens inside endoscope lens are more, and high definition is got in the imaging of endoscope lens, the lens mistake inside lens barrel
After mostly, replacement eyeglass is just very difficult, and it is more inconvenient to adjust, while is also difficult to replace hole piece.
Utility model content
The problem of eyeglass is difficult is replaced for camera lens interior lens, the utility model aim is to propose that a kind of high definition is taken the photograph more
As endoscope head, concrete scheme is as follows：
A kind of high-definition camera endoscope head, including：Preceding camera lens part, the preceding camera lens part include preceding lens barrel, the preceding lens barrel
Inside is disposed with the first lens, the second lens, third lens and aperture along light incident direction, and the preceding lens barrel is far from institute
The one end for stating aperture rotates the outer press ring being provided with for compressing first lens, and the preceding lens barrel is far from the outer press ring one
The outer wall slip at end is provided with connection ring；
Rear lens portion, the rear lens portion includes the rear lens barrel being connect by the connection ring with the preceding lens barrel, described
Be disposed with the 4th lens, the 5th lens and the 6th lens along light incident direction inside lens barrel afterwards, it is described after inside lens barrel
One end rotation far from the 4th lens is provided with the inner pressure ring for compressing the 6th lens.
Through the above technical solutions, endoscope head can be divided into preceding lens barrel and rear lens barrel, preceding lens barrel and rear lens barrel grafting connect
It connects and passes through connection ring and connect that integral, whole dismounting is convenient, it can be with the lens and aperture inside quick-replaceable.Incident ray
The first lens, the second lens, third lens, aperture, the 4th lens, the 5th lens and the 6th lens projects are passed sequentially through to covering
On glass, image is apparent and clear.
Further, preceding snap ring is provided between second lens and the third lens inside the preceding lens barrel,
The preceding lens barrel is internally provided with the placement ring for disposing the aperture.
Through the above technical solutions, preceding snap ring separates the second lens and third lens, the contact of the two protrusion, peace are avoided
Aperture can be placed by putting in ring, prevent from coming off.
Further, be provided with rear snap ring after described in the one end of lens barrel far from the 6th lens, it is described after in lens barrel
Wall is provided with the stripper loop for separating the 4th lens and the 5th lens along the sliding of its axis direction.
Through the above technical solutions, rear snap ring separates aperture and the 4th lens, stripper loop is saturating by the 4th lens and the 5th
Mirror separates, and avoids the contact of the two protrusion.
Further, the rear lens barrel inner wall offers multiple sliding slots, the stripper loop outer wall setting along its axis direction
There are multiple sliding blocks being adapted to sliding slot sliding.
Through the above technical solutions, the sliding block for separating peripheral wall slides in sliding slot, so that stripper loop will not shake
And rotation, more stablize after compression.
Further, one end of the preceding lens barrel towards the rear lens barrel is coaxially arranged with retainer ring, the rear lens barrel court
The annular groove being adapted to the retainer ring is offered to one end of the preceding lens barrel.
Through the above technical solutions, the retainer ring of preceding lens barrel can be entered in the annular groove of rear lens barrel and be formed with grafting
It is whole so that preceding lens barrel and rear lens barrel are on coaxial line.
Further, inner wall setting internal thread of the connection ring far from described preceding lens barrel one end, the rear lens barrel are separate
The outer wall of described 6th lens one end is provided with the external screw thread engaged with the internal thread.
Through the above technical solutions, after current lens barrel and rear lens barrel grafting, by the two fixation and formed whole by connection ring
Body, connection are more firm.
Further, the one end of the connection ring far from the preceding lens barrel is coaxially arranged with bumper ring.
It through the above technical solutions, can be by preceding lens barrel and rear lens barrel close association, bumper ring in connection ring rotation process
It can cause the displacement distance bigger of connection ring, while sealing function can also be played.
Further, first lens and the 6th lens are meniscus lens, and second lens are concave and convex lenses, described
Third lens and the 4th lens are planoconvex lens, and the 5th lens are biconvex mirror.
Through the above technical solutions, the shape of said lens can increase the clarity of the irradiation of endoscope head.
Compared with prior art, the beneficial effects of the utility model are as follows：
(1) cooperation is mutually inserted by preceding lens barrel and rear lens barrel so that whole dismounting is convenient, and combination is convenient, simultaneously
It can be with the lens and aperture inside quick-replaceable the utility model；
(2) incident ray passes sequentially through the first lens, the second lens, third lens, aperture, the 4th lens, the 5th lens
On the 6th lens projects to cover glass, image is apparent and clear.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of high-definition camera endoscope head；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is B portions partial enlarged view in Fig. 2；
Fig. 4 is the exploded perspective view of preceding camera lens part；
Fig. 5 is the exploded perspective view in rear lens portion.
Reference numeral：100th, preceding camera lens part；1st, preceding lens barrel；2nd, the first lens；3rd, the second lens；4th, third lens；5th, light
Circle；6th, outer press ring；7th, connection ring；8th, preceding snap ring；9th, ring is disposed；10th, retainer ring；11st, internal thread；12nd, bumper ring；200th, rear mirror
Head；21st, rear lens barrel；22nd, the 4th lens；23rd, the 5th lens；24th, the 6th lens；25th, inner pressure ring；26th, rear snap ring；27th, divide
Spacer ring；28th, sliding slot；29th, sliding block；30th, annular groove；31st, external screw thread.
Specific embodiment
In order to make the purpose of this utility model, technical solution and advantageous effect clearer, with reference to embodiment and attached
The utility model is described in further detail, but the embodiment of the utility model is not limited only to this for figure.
A kind of high-definition camera endoscope head, as shown in Figure 1, including preceding camera lens part 100 and rear lens portion 200.
As shown in Figure 2 and Figure 4, preceding camera lens part 100 includes preceding lens barrel 1, and preceding lens barrel 1 is cylindrical, along light inside preceding lens barrel 1
Line incident direction is sequentially coaxially mounted with the first lens 2, the second lens 3, third lens 4 and aperture 5, in inside preceding lens barrel 1
Between two lens 3 and third lens 4 with preceding lens barrel 1 is coaxial be fixed with before snap ring 8, preceding lens barrel 1 consolidates close to the inside of 5 one end of aperture
Surely it is useful for the placement ring 9 of placement aperture 5.First lens 2 are meniscus lens, and the second lens 3 are concave and convex lenses, and third lens 4 are flat
Convex lens, wherein, the recess portion of the first lens 2 and the recess portion of the second lens 3 are oppositely arranged, protrusion and the third lens 4 of the second lens 3
Protrusion be oppositely arranged.Second lens 3 and third lens 4 are separated by preceding snap ring 8, avoid the contact of the two protrusion, in addition,
Aperture 5 can be placed in ring 9 by disposing, prevents coming off for aperture 5.
As shown in Fig. 2, external screw-thread rotation connection of the preceding lens barrel 1 far from 5 one end of aperture is useful for compressing the first lens 2
Outer press ring 6, the outer diameter of outer press ring 6 are equal to the outer diameter of preceding lens barrel 1, and the internal diameter of outer press ring 6 is less than the internal diameter of preceding lens barrel 1.Preceding lens barrel 1
One end the first lens 2 and the second lens 3 are installed after, first lens 2 are compressed by outer press ring 6, the first lens 2 at this time are same
When the second lens 3 are pressed on before on snap ring 8.
As shown in Figure 2 and Figure 5, rear lens portion 200 includes rear lens barrel 21, and rear lens barrel 21 is cylindrical, inside rear lens barrel 21
The 4th lens 22, the 5th lens 23 and the 6th lens 24 are sequentially coaxially provided with along light incident direction, rear lens barrel 21 is far from
Rear snap ring 26 is coaxially fixed in one end of six lens 24, rear 21 inner wall of lens barrel is provided with to separate along the sliding of its axis direction
The stripper loop 27 of 4th lens 22 and the 5th lens 23.6th lens 24 are meniscus lens, and the 4th lens 22 are planoconvex lens, and the 5th thoroughly
Mirror 23 is biconvex mirror, wherein, the protrusion and the side protrusion of the 5th lens 23 of the 4th lens 22 are oppositely arranged, the 6th lens 24
The protrusion of recess portion and 23 opposite side of the 5th lens is oppositely arranged.5 and the 4th lens 22 of aperture are separated by rear snap ring 26, are separated
Ring 27 separates the 4th lens 22 and the 5th lens 23, avoids the contact of the two protrusion.
As shown in figure 5, rear 21 inner wall of lens barrel offers multiple sliding slots 28 along its axis direction, sliding slot 28 be preferably four and
21 Axial-rotational Symmetry of lens barrel is set afterwards, and 27 outer wall of stripper loop is fixed with what multiple slidings with sliding slot 28 were adapted to along its axis direction
Sliding block 29, the cross section of sliding block 29 is triangle.The sliding block 29 of spacer ring peripheral wall can slide in the sliding slot 28 of rear 21 inner wall of lens barrel,
So that will not shake and rotate in 27 installation process of stripper loop, stripper loop 27 is more stablized after compressing.
As shown in Fig. 2, rear internal whorl rotation of 21 inside of lens barrel far from 22 one end of the 4th lens is provided with to compress
The inner pressure ring 25 of 6th lens 24, the internal diameter of inner pressure ring 25 are less than the internal diameter of rear lens barrel 21.One end of lens barrel 21 first installs afterwards
Four lens 22, are inserted into stripper loop 27, are then sequentially inserted into the 5th lens 23 and the 6th lens 24, will finally by outer press ring 6
6th lens 24 compress, and the 6th lens 24 at this time block after being simultaneously pressed on the 4th lens 22, stripper loop 27 and third lens 4
On ring 26.
As shown in figure 3, one end of preceding lens barrel 1 towards rear lens barrel 21 is coaxially fixed with retainer ring 10, rear lens barrel 21 is before
One end of lens barrel 1 offers the annular groove 30 being adapted to the retainer ring 10.The retainer ring 10 of preceding lens barrel 1 can be entered with grafting
The annular groove 30 of lens barrel 21 is interior afterwards and forms entirety so that preceding lens barrel 1 and rear lens barrel 21 are on coaxial line.Preceding lens barrel 1 is remote
Wall coaxial from 6 one end of outer press ring, which slides, is provided with connection ring 7, spiral shell in inner wall setting of the connection ring 7 far from preceding 1 one end of lens barrel
Line 11, rear outer wall of the lens barrel 21 far from 24 one end of the 6th lens are provided with the external screw thread 31 engaged with internal thread 11.Current lens barrel 1
After rear 21 grafting of lens barrel, by the engagement of internal thread 11 and external screw thread 31, connection ring 7 fixes preceding lens barrel 1 and rear lens barrel 21
And entirety is formed, connection is more firm.The one end of connection ring 7 far from preceding lens barrel 1 is coaxially fixed with bumper ring 12, bumper ring 12 by
Rubber material is made.By bumper ring 12 can connection ring 7 displacement distance bigger, while sealing function can also be played.
The working principle and beneficial effect of the utility model is as follows：
Endoscope head can be divided into preceding lens barrel 1 and rear lens barrel 21, and preceding lens barrel 1 is sequentially inserted into one end far from rear lens barrel 21
Second lens 3 and the first lens 2 are simultaneously compressed with outer press ring 6, and it is saturating that preceding lens barrel 1 is sequentially inserted into third in one end of rear lens barrel 21
Mirror 4, placement ring 9 and aperture 5；The 4th lens 22, stripper loop 27, are sequentially inserted into the one end of lens barrel 21 far from preceding lens barrel 1 afterwards
Five lens 23, the 6th lens 24 and inner pressure ring 25；It is finally that preceding lens barrel 1 and 21 grafting of rear lens barrel is integral and pass through rotation connection
Ring 7 is so that the two is closely connected.
The utility model divides into two parts, and respectively preceding lens barrel 1 and rear lens barrel 21, preceding lens barrel 1 and rear lens barrel 21 can
To be mutually inserted connection and form entirety, whole dismounting is convenient, while can be with the lens inside quick-replaceable and aperture 5.Enter
It penetrates light and passes sequentially through the first lens 2, the second lens 3, third lens 4, aperture 5, the 4th lens 22, the 5th lens 23 and the 6th
Lens 24 are projected on cover glass, and image is apparent and clear.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of high-definition camera endoscope head, which is characterized in that including,
Preceding camera lens part（100）, the preceding camera lens part（100）Including preceding lens barrel（1）, the preceding lens barrel（1）Inside is incident along light
Direction is disposed with the first lens（2）, the second lens（3）, third lens（4）And aperture（5）, the preceding lens barrel（1）It is separate
The aperture（5）One end rotation be provided with to compress first lens（2）Outer press ring（6）, the preceding lens barrel（1）Far
From the outer press ring（6）The outer wall slip of one end is provided with connection ring（7）；
Rear lens portion（200）, the rear lens portion（200）Including passing through the connection ring（7）With the preceding lens barrel（1）Connection
Lens barrel afterwards（21）, the rear lens barrel（21）Inside is disposed with the 4th lens along light incident direction（22）, the 5th lens
（23）With the 6th lens（24）, the rear lens barrel（21）Internal separate 4th lens（22）One end rotation be provided with and be used for
Compress the 6th lens（24）Inner pressure ring（25）.
2. high-definition camera endoscope head according to claim 1, which is characterized in that the preceding lens barrel（1）Inside is in described
Second lens（3）With the third lens（4）Between be provided with preceding snap ring（8）, the preceding lens barrel（1）It is internally provided with to pacify
Put the aperture（5）Placement ring（9）.
3. high-definition camera endoscope head according to claim 2, which is characterized in that lens barrel after described（21）Far from described the
Six lens（24）One end in be provided with rear snap ring（26）, the rear lens barrel（21）Inner wall is useful along the sliding setting of its axis direction
In separation the 4th lens（22）With the 5th lens（23）Stripper loop（27）.
4. high-definition camera endoscope head according to claim 3, which is characterized in that lens barrel after described（21）Inner wall is along its axis
Line direction offers multiple sliding slots（28）, the stripper loop（27）Outer wall is provided with the multiple and sliding slot（28）Sliding adaptation
Sliding block（29）.
5. high-definition camera endoscope head according to claim 1, which is characterized in that the preceding lens barrel（1）Towards after described
Lens barrel（21）One end be coaxially arranged with retainer ring（10）, the rear lens barrel（21）Towards the preceding lens barrel（1）One end open up
Have and the retainer ring（10）The annular groove of adaptation（30）.
6. high-definition camera endoscope head according to claim 5, which is characterized in that the connection ring（7）Before described
Lens barrel（1）The inner wall setting internal thread of one end（11）, the rear lens barrel（21）Far from the 6th lens（24）The outer wall of one end
It is provided with and the internal thread（11）The external screw thread of engagement（31）.
7. high-definition camera endoscope head according to claim 6, which is characterized in that the connection ring（7）Before described
Lens barrel（1）One end be coaxially arranged with bumper ring（12）.
8. the high-definition camera endoscope head according to any one in claim 1-7, which is characterized in that first lens
（2）With the 6th lens（24）For meniscus lens, second lens（3）For concave and convex lenses, the third lens（4）With described
Four lens（22）For planoconvex lens, the 5th lens（23）For biconvex mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730896.4U CN207529022U (en) | 2017-12-12 | 2017-12-12 | A kind of high-definition camera endoscope head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730896.4U CN207529022U (en) | 2017-12-12 | 2017-12-12 | A kind of high-definition camera endoscope head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529022U true CN207529022U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721730896.4U Active CN207529022U (en) | 2017-12-12 | 2017-12-12 | A kind of high-definition camera endoscope head |
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| CN (1) | CN207529022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764213A (en) * | 2019-11-21 | 2020-02-07 | 广州长步道光电科技有限公司 | Lens structure of press ring type spacer ring |
-
2017
- 2017-12-12 CN CN201721730896.4U patent/CN207529022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764213A (en) * | 2019-11-21 | 2020-02-07 | 广州长步道光电科技有限公司 | Lens structure of press ring type spacer ring |
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