CN117031675A - Optical lens group capable of moving focusing - Google Patents
Optical lens group capable of moving focusing Download PDFInfo
- Publication number
- CN117031675A CN117031675A CN202310787464.0A CN202310787464A CN117031675A CN 117031675 A CN117031675 A CN 117031675A CN 202310787464 A CN202310787464 A CN 202310787464A CN 117031675 A CN117031675 A CN 117031675A
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- China
- Prior art keywords
- ring
- assembly
- lens group
- sleeve
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention belongs to the technical field of optical lenses, and discloses a movable focusing optical lens group, which comprises a lens group and a mounting assembly, wherein one end of the lens group is connected with the connecting assembly, the lens group is mounted on the mounting assembly through the connecting assembly, and positioning holes and positioning blocks are respectively arranged on the connecting assembly and the mounting assembly; the connecting assembly comprises an adjusting assembly arranged on the lens group, one end, close to the installing assembly, of the adjusting assembly is fixedly connected with a connector, and external connecting threads are arranged on the connector; the installation component is including cup jointing the installation cover in the connector outside, the inside of installation cover is provided with interior connecting thread, installation cover and connector are connected through interior connecting thread and external connection screw thread. According to the invention, the lens group can be quickly connected with the mounting assembly under the cooperation of the adjusting ring, and the user can conveniently determine the mounting accuracy of the sleeve due to the cooperation of the positioning hole and the positioning block.
Description
Technical Field
The invention belongs to the technical field of optical lenses, and particularly relates to a movable focusing optical lens group.
Background
Lenses are used in many microscopes, cameras and medical devices, and most of these lens sets are taken out from a protective box which is well sealed and then are mounted on the corresponding devices in daily use, and it is known that the lens sets have a bump structure when mounted, and when the structure is sprung into a corresponding groove, the mounting connection is indicated, so that the accuracy of lens mounting is ensured.
In the prior art, the lens group is screwed into the device by using the screw thread, and the connection is completed after hearing 'snap', but because the lug is required to be accurately sprung into the groove, the screw thread on the lens group and the device is not used for completely screwing the two structures, and the lens is easy to accidentally rotate during use, so that focusing is influenced, even the lens group is damaged due to accidental falling, and therefore, a novel lens group which is quickly connected and effectively locked needs to be developed.
Disclosure of Invention
(one) solving the technical problems
In order to solve the problems in the prior art, the invention provides an optical lens group capable of moving focusing, which has the advantage of quick locking.
The limiting sliding groove and the limiting sliding block are arranged, so that when a user continues to rotate the adjusting ring under the cooperation of the internal locking thread and the external locking thread, the supporting ring can be controlled to push the locking sealing ring to gradually approach the connecting end of the positioning ring and the mounting sleeve until the locking sealing ring supports the mounting sleeve, and sealing and locking can be completed, so that the effect of mounting connection, sealing and locking can be achieved by shifting the adjusting ring continuously in sequence.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the movable focusing optical lens group comprises a lens group and a mounting assembly, wherein one end of the lens group is connected with a connecting assembly, the lens group is mounted on the mounting assembly through the connecting assembly, and the connecting assembly and the mounting assembly are respectively provided with a positioning hole and a positioning block;
the connecting assembly comprises an adjusting assembly arranged on the lens group, one end, close to the installing assembly, of the adjusting assembly is fixedly connected with a connector, and external connecting threads are arranged on the connector;
the installation component is including cup jointing the installation cover in the connector outside, the inside of installation cover is provided with interior connecting thread, installation cover and connector are connected through interior connecting thread and external connection screw thread.
Preferably, the lens group comprises a sleeve connected with the adjusting component, a convex lens is arranged in the sleeve, and two ends of an inner cavity of the sleeve are hermetically sleeved with plane protective lenses.
Preferably, the adjusting component comprises a positioning head fixedly connected to one end of the sleeve, the positioning head and the plane protective lens are all full-transparent plane mirrors, and the connector is fixedly connected to one side, far away from the lens group, of the positioning head.
Preferably, the outside of locating head has cup jointed the holding ring, the outside cover of holding ring is equipped with the adjusting ring, the thickness size of locating head, holding ring and adjusting ring is the same.
Preferably, two limit grooves are formed between the positioning ring and the adjusting ring, one of the limit grooves is formed on one side, close to the sleeve, of the outer surface of the positioning ring, and the other limit groove is formed on one side, far away from the sleeve, of the inner wall of the adjusting ring.
Preferably, a clockwork spring is arranged in the limiting groove on the outer surface of the positioning ring, and two ends of the clockwork spring are fixedly connected with the inner wall of the corresponding limiting groove and the inner wall of the adjusting ring respectively.
Preferably, another the inside movable sleeve of spacing groove is equipped with and supports and hold the ring, support and hold one side fixedly connected with locking seal ring that the ring is close to the installation cover, locking seal ring adopts soft rubber to make, locking seal ring's inner wall and holding ring surface closely laminate, locking seal ring's side and installation cover closely laminate.
Preferably, the inside of supporting the ring is provided with interior locking screw thread, the outside of holding the ring is provided with the external locking screw thread that is located the ring inboard that supports, it links to each other with the external locking screw thread through interior locking screw thread to support the ring with the holding ring.
Preferably, a plurality of evenly distributed limiting sliding grooves are formed in the inner wall of the limiting groove on the inner side of the adjusting ring, limiting sliding blocks are connected in a sliding mode in the limiting sliding grooves, and the limiting sliding blocks are movably sleeved on the supporting ring.
Preferably, the bottom of sleeve is provided with the base, the outside of adjusting ring is provided with the antislip strip.
(III) beneficial effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, due to the arrangement of the connector and the external connecting screw thread, the lens group can be quickly connected with the mounting assembly under the cooperation of the adjusting ring, and the user can conveniently determine the accuracy of sleeve mounting due to the cooperation of the positioning hole and the positioning block.
2. Due to the arrangement of the clockwork spring, a user can drive the lens group to integrally move through the adjusting ring, the connector can also be screwed into the mounting sleeve, and the adjusting ring can be continuously rotated under the limitation of the external connecting thread and the internal connecting thread to directly control the movement of the supporting ring, so that the control efficiency of the user is effectively improved.
3. Due to the arrangement of the limiting sliding groove and the limiting sliding block, when a user continues to rotate the adjusting ring under the cooperation of the inner locking thread and the outer locking thread, the supporting ring can be controlled to push the locking sealing ring to gradually approach the connecting end of the positioning ring and the mounting sleeve until the locking sealing ring supports against the mounting sleeve, and sealing and locking can be completed, so that the effect of mounting connection, sealing and locking of the dial-up adjusting ring can be achieved sequentially and continuously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic exploded view of the present invention;
FIG. 4 is a front view of the lens assembly of FIG. 3;
FIG. 5 is a schematic view of the adjusting ring of FIG. 3;
FIG. 6 is a partial schematic view of the limiting chute of FIG. 5;
FIG. 7 is a cross-sectional view of the front face of the positioning head of the present invention;
fig. 8 is an enlarged partial schematic view at a in fig. 7.
In the figure: 1. a lens group; 11. a sleeve; 12. a planar protective lens; 2. a connection assembly; 21. an adjustment assembly; 211. a positioning head; 212. a positioning ring; 213. an adjusting ring; 214. a limit groove; 215. a clockwork spring; 216. a holding ring; 217. locking the sealing ring; 218. an internal locking thread; 219. an external locking thread; 22. a connector; 23. an external connecting thread; 3. a mounting assembly; 31. a mounting sleeve; 32. internal connecting threads; 4. positioning holes; 5. a positioning block; 6. a base; 7. limiting sliding grooves; 8. a limit sliding block; 9. an anti-slip strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 8, the present invention provides an optical lens group for moving focusing, comprising a lens group 1 and a mounting component 3, wherein one end of the lens group 1 is connected with a connecting component 2, the lens group 1 is mounted on the mounting component 3 through the connecting component 2, and a positioning hole 4 and a positioning block 5 are respectively arranged on the connecting component 2 and the mounting component 3; due to the arrangement of the connecting component 2, a user can conveniently install the lens group 1 on the installation component 3, and the user can conveniently determine the installation angle of the lens group 1 under the cooperation of the positioning hole 4 and the positioning block 5;
the connecting component 2 comprises an adjusting component 21 arranged on the lens group 1, one end of the adjusting component 21, which is close to the installing component 3, is fixedly connected with a connector 22, and external connecting threads 23 are arranged on the connector 22; the lens group 1 can be quickly connected with the mounting assembly 3 under the cooperation of the adjusting assembly 21, and the user can conveniently determine the mounting accuracy of the sleeve 11 due to the cooperation of the positioning holes 4 and the positioning blocks 5;
the mounting assembly 3 comprises a mounting sleeve 31 sleeved outside the connector 22, an internal connecting thread 32 is arranged inside the mounting sleeve 31, and the mounting sleeve 31 is connected with the connector 22 through the internal connecting thread 32 and the external connecting thread 23.
As shown in fig. 7, the lens group 1 includes a sleeve 11 connected with an adjusting component 21, a convex lens is disposed in the sleeve 11, and two ends of an inner cavity of the sleeve 11 are hermetically sleeved with a plane protective lens 12.
As shown in fig. 7, the adjusting assembly 21 includes a positioning head 211 fixedly connected to one end of the sleeve 11, the positioning head 211 and the plane protection lens 12 are all transparent plane mirrors, and the connector 22 is fixedly connected to one side of the positioning head 211 away from the lens group 1.
As shown in fig. 8, the positioning head 211 is sleeved with a positioning ring 212, the positioning ring 212 is sleeved with an adjusting ring 213, and the thickness dimensions of the positioning head 211, the positioning ring 212 and the adjusting ring 213 are the same; the user can drive the lens group 1 to move integrally through the adjusting ring 213, and can also screw the connector 22 into the mounting sleeve 31, and the adjusting ring 213 can be continuously rotated under the limitation of the external connecting screw thread 23 and the internal connecting screw thread 32 to directly control the movement of the supporting ring 216, so that the control efficiency of the user is effectively improved.
As shown in fig. 8, two limiting grooves 214 are formed between the positioning ring 212 and the adjusting ring 213, wherein one limiting groove 214 is formed on one side of the outer surface of the positioning ring 212, which is close to the sleeve 11, and the other limiting groove 214 is formed on one side of the inner wall of the adjusting ring 213, which is far away from the sleeve 11; due to the arrangement of the limiting groove 214, the volume of the whole structure of the adjusting assembly 21 is reduced, and the relative movement of the adjusting ring 213 and the positioning ring 212 can be effectively limited, so that the relative movement of the adjusting ring 213 and the positioning ring 212 is ensured to be as little as possible, and the supporting ring 216 can be stably moved while keeping the relative rotation as stable as possible.
As shown in fig. 8, a spring 215 is arranged in the limiting groove 214 on the outer surface of the positioning ring 212, and two ends of the spring 215 are fixedly connected with the inner wall of the corresponding limiting groove 214 and the inner wall of the adjusting ring 213 respectively; due to the arrangement of the spring 215, the lens group 1 can be driven to integrally rotate along with the adjusting component 21 so as to screw the connector 22 into the mounting sleeve 31, and the adjusting ring 213 can be ensured to twist the spring 215 under the limitation of the internal connecting thread 32 and the external connecting thread 23 so as to directly drive the abutting ring 216 to move relative to the positioning ring 212.
As shown in fig. 8, a supporting ring 216 is movably sleeved in the other limiting groove 214, one side of the supporting ring 216, which is close to the mounting sleeve 31, is fixedly connected with a locking sealing ring 217, the locking sealing ring 217 is made of soft rubber, the inner wall of the locking sealing ring 217 is tightly attached to the outer surface of the positioning ring 212, and the side surface of the locking sealing ring 217 is tightly attached to the mounting sleeve 31; due to the arrangement of the locking sealing ring 217, the locking sealing ring can be tightly attached to the joint of the positioning ring 212 and the mounting sleeve 31 under the pushing of the supporting ring 216, so that the sealing effect of the joint can be achieved, and due to the supporting of the locking sealing ring 217 to the mounting sleeve 31, the internal connecting threads 32 and the external connecting threads 23 can be mutually supported, so that the locking effect is achieved.
As shown in fig. 3, the inside of the holding ring 216 is provided with an internal locking thread 218, the outside of the positioning ring 212 is provided with an external locking thread 219 located inside the holding ring 216, and the holding ring 216 and the positioning ring 212 are connected by the internal locking thread 218 and the external locking thread 219; with the cooperation of the internal locking threads 218 and the external locking threads 219, it is ensured that when the user continues to rotate the adjustment ring 213, the abutment ring 216 is controlled to push the locking seal ring 217 gradually closer to the connecting end of the positioning ring 212 and the mounting sleeve 31 until the locking seal ring 217 abuts against the mounting sleeve 31.
As shown in fig. 6, a plurality of evenly distributed limiting sliding grooves 7 are formed in the inner wall of the limiting groove 214 on the inner side of the adjusting ring 213, and limiting sliding blocks 8 are slidably connected in the limiting sliding grooves 7, and the limiting sliding blocks 8 are movably sleeved on the supporting ring 216.
As shown in fig. 3, the bottom of the sleeve 11 is provided with a base 6, and the outside of the adjustment ring 213 is provided with a slip-resistant strip 9.
The working principle and the using flow of the invention are as follows:
after holding the lens group 1 and holding the anti-slip strip 9 by the thumb and the index finger so as to control the rotation of the adjusting ring 213, firstly pushing the lens group 1 to enable the connector 22 to be propped against the mounting sleeve 31, then rotating the adjusting ring 213 to enable the connector 22 to be driven by the spring 215 to enter the mounting sleeve 31 until a 'snap' sound is heard, and at the moment, the positioning block 5 is sprung into the positioning hole 4 to finish the connection between the lens group 1 and the mounting assembly 3;
then, the adjusting ring 213 is continuously rotated, at this time, the counter rotation of the connector 22 and the mounting sleeve 31 is completed due to the cooperation of the external connecting thread 23 and the internal connecting thread 32, that is, the positioning head 211 and the positioning ring 212 cannot rotate along with the adjusting ring 213, at this time, the continuously rotating adjusting ring 213 can drive the supporting ring 216 to move through the cooperation of the limiting chute 7 and the limiting slide block 8 under the limitation of the positioning ring 212, and the supporting ring 216 is horizontally moved outside the positioning ring 212 under the cooperation of the locking sealing ring 217 and the internal locking thread 218, and can push the locking sealing ring 217 to gradually approach the joint of the adjusting assembly 21 and the mounting sleeve 31, and the continuously rotating adjusting ring 213 can enable the locking sealing ring 217 to form sealing and supporting on the joint, so as to complete connection, sealing and locking.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An optical lens group for moving focusing, comprising a lens group (1) and a mounting assembly (3), characterized in that: one end of the lens group (1) is connected with a connecting component (2), the lens group (1) is mounted on a mounting component (3) through the connecting component (2), and positioning holes (4) and positioning blocks (5) are respectively formed in the connecting component (2) and the mounting component (3);
the connecting assembly (2) comprises an adjusting assembly (21) arranged on the lens group (1), one end, close to the mounting assembly (3), of the adjusting assembly (21) is fixedly connected with a connector (22), and external connecting threads (23) are arranged on the connector (22);
the mounting assembly (3) comprises a mounting sleeve (31) sleeved outside the connector (22), an internal connecting thread (32) is arranged inside the mounting sleeve (31), and the mounting sleeve (31) is connected with the connector (22) through the internal connecting thread (32) and the external connecting thread (23).
2. The movable focus optical lens assembly of claim 1, wherein: the lens group (1) comprises a sleeve (11) connected with an adjusting component (21), a convex lens is arranged in the sleeve (11), and two ends of an inner cavity of the sleeve (11) are hermetically sleeved with a plane protective lens (12).
3. The movable focus optical lens assembly of claim 2, wherein: the adjusting component (21) comprises a positioning head (211) fixedly connected to one end of the sleeve (11), the positioning head (211) and the plane protection lens (12) are all full-transparent plane mirrors, and the connector (22) is fixedly connected to one side, far away from the lens group (1), of the positioning head (211).
4. A moving focus optical lens assembly as defined in claim 3, wherein: the outside of locating head (211) has cup jointed holding ring (212), the outside cover of holding ring (212) is equipped with adjusting ring (213), the thickness size of locating head (211), holding ring (212) and adjusting ring (213) is the same.
5. The movable focus optical lens assembly of claim 4 wherein: two limit grooves (214) are formed between the locating ring (212) and the adjusting ring (213), one of the limit grooves (214) is formed in one side, close to the sleeve (11), of the outer surface of the locating ring (212), and the other limit groove (214) is formed in one side, far away from the sleeve (11), of the inner wall of the adjusting ring (213).
6. The movable focus optical lens assembly of claim 5 wherein: the spring (215) is arranged in the limiting groove (214) on the outer surface of the positioning ring (212), and two ends of the spring (215) are fixedly connected with the inner wall of the corresponding limiting groove (214) and the inner wall of the adjusting ring (213) respectively.
7. The movable focus optical lens assembly of claim 5 wherein: the other inside movable sleeve of spacing groove (214) is equipped with and supports and hold ring (216), one side that supports and hold ring (216) and be close to installation cover (31) fixedly connected with locking sealing ring (217), locking sealing ring (217) adopt soft rubber to make, locking sealing ring (217)'s inner wall and locating ring (212) surface closely laminate, locking sealing ring (217) side and installation cover (31) closely laminate.
8. The movable focus optical lens assembly of claim 7 wherein: the inside of supporting ring (216) is provided with interior locking screw thread (218), the outside of holding ring (212) is provided with outer locking screw thread (219) that are located the inside of supporting ring (216), supporting ring (216) and holding ring (212) link to each other through interior locking screw thread (218) and outer locking screw thread (219).
9. The movable focus optical lens assembly of claim 7 wherein: a plurality of evenly distributed limiting sliding grooves (7) are formed in the inner wall of the limiting groove (214) on the inner side of the adjusting ring (213), limiting sliding blocks (8) are connected to the inner portion of the limiting sliding grooves (7) in a sliding mode, and the limiting sliding blocks (8) are movably sleeved on the supporting ring (216).
10. The movable focus optical lens assembly of claim 2, wherein: the bottom of sleeve (11) is provided with base (6), the outside of adjusting ring (213) is provided with antislip strip (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310787464.0A CN117031675A (en) | 2023-06-30 | 2023-06-30 | Optical lens group capable of moving focusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310787464.0A CN117031675A (en) | 2023-06-30 | 2023-06-30 | Optical lens group capable of moving focusing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117031675A true CN117031675A (en) | 2023-11-10 |
Family
ID=88636162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310787464.0A Pending CN117031675A (en) | 2023-06-30 | 2023-06-30 | Optical lens group capable of moving focusing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117031675A (en) |
-
2023
- 2023-06-30 CN CN202310787464.0A patent/CN117031675A/en active Pending
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