CN113406766A - Focusing mechanism capable of effectively improving actuating hand feeling and abnormal sound - Google Patents
Focusing mechanism capable of effectively improving actuating hand feeling and abnormal sound Download PDFInfo
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- CN113406766A CN113406766A CN202110783982.6A CN202110783982A CN113406766A CN 113406766 A CN113406766 A CN 113406766A CN 202110783982 A CN202110783982 A CN 202110783982A CN 113406766 A CN113406766 A CN 113406766A
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- cam
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 30
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 30
- 241001330002 Bambuseae Species 0.000 claims description 30
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 30
- 239000011425 bamboo Substances 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 8
- 101100190527 Arabidopsis thaliana PIN5 gene Proteins 0.000 description 10
- 101100190530 Arabidopsis thaliana PIN8 gene Proteins 0.000 description 10
- 238000012856 packing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a focusing mechanism capable of effectively improving the actuating hand feeling and abnormal sound in a wider range, and relates to the field of optical focusing mechanisms. The focusing mechanism capable of effectively improving the actuating hand feeling and the abnormal sound can effectively eliminate the actuating abnormal sound through the clearance fit of the focusing group and the straight-moving cylinder, the elastic wave-shaped gasket is pressed between the CAM cylinder and the straight-moving cylinder, and the actuating hand feeling is adjusted by controlling the CAM cylinder through pressing deformation.
Description
Technical Field
The invention relates to the field of optical focusing mechanisms, in particular to a focusing mechanism capable of effectively improving the actuating hand feeling and abnormal sound.
Background
With the common application of the lens in industrial detection, intelligent transportation, scanning and copying equipment and photographic cameras, the lens needs to meet the requirements of different object distances, and particularly, the lens of a consumer movie is required to have a focusing function, and also required to have no abnormal sound in actuation, good focusing hand feeling and no looseness or tight rotation.
The demand for a mechanism that simple structure is nimble, with low costs, install and remove the convenience, the transmission is focused steadily, and it is also more and more urgent to improve effectively through CAM groove transmission and move focusing of feeling and actuating the abnormal sound, and to this problem, provide one kind and effectively improve and actuate the mechanism of focusing of feeling and abnormal sound.
Disclosure of Invention
The present invention is directed to a focusing mechanism for effectively improving the operational feeling and the noise, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an effectively improve and actuate mechanism of focusing of feeling and abnormal sound, is including directly advancing a section of thick bamboo, the outer wall right side that directly advances a section of thick bamboo is provided with elastic wave form packing ring, the outer wall slidable who directly advances a section of thick bamboo has cup jointed a CAM section of thick bamboo, the inner chamber left side slidable of a CAM section of thick bamboo is pegged graft and has been had the group of focusing, the outer wall circumference equidistance of focusing the group is provided with a plurality of transmission PIN, and is three transmission PIN all extends to the outer wall of a CAM section of thick bamboo, focus the outer wall of group and seted up a plurality of locating hole along the circumference equidistance, the outer wall one end of a CAM section of thick bamboo has seted up the spacing mouth of a plurality of along the circumference equidistance, the outer wall of a CAM section of thick bamboo is opened outward and is equipped with a plurality.
Further: the outer wall of a straight section of thick bamboo is provided with the spacing lug of three straight section of thick bamboo of advancing along circumference equidistance, the outer wall of a straight section of thick bamboo of advancing is provided with three straight flute along circumference equidistance, the outer wall of a straight section of thick bamboo of advancing is provided with the spacing groove, the outer wall of a straight section of thick bamboo of advancing is provided with dodges the step, directly advances the inside hollowing of a section of thick bamboo (be used for the equipment group of focusing), directly advances a section of thick bamboo middle section and processes into the lug for left end spacing elasticity wave form packing ring and a CAM section of thick bamboo, the right-hand member has the spacing groove, is used for the card to go into the spacing CAM section of thick bamboo of CAM section of thick bamboo, and a straight section of thick bamboo lateral wall has three to be 120 straight flutes, and its function is used for adorning the PIN direction, forces the group of focusing to reciprocate and focus.
Further: transmission PIN slidable embeds at the inner chamber in straight groove and CAM groove, can make focus group flexible under the effect of transmission PIN when rotatory CAM section of thick bamboo to realize focusing.
Further: the transmission PIN is a POM plastic block, the plastic material has good lubricating effect, and extrusion is elastic, so that the transmission PIN can be tightly matched, and the action and the shaking are greatly improved.
Further: and the bottom end of the inner cavity of the positioning hole is provided with a tapping tooth for assembling the locking transmission PIN.
Further: the length of the straight groove is 0.1-100 mm, and the length of the straight groove can be flexibly set according to the focusing range of the optical focusing group.
Further: the CAM groove is arc-shaped, and when the CAM groove rotates, the focusing group can stretch and contract under the mutual cooperation between the paper grass and the transmission PIN on the focusing group, so that the focal length of the camera can be flexibly adjusted.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the focusing group is assembled into the straight-in cylinder, the elastic wave-shaped gasket is sleeved into the straight-in cylinder, the CAM cylinder is assembled into the straight-in cylinder, the limit bump of the elastic wave-shaped gasket is clamped into the limit port of the CAM cylinder, the limit bump of the CAM cylinder is clamped into the limit groove of the straight-in cylinder, then the transmission PIN is aligned with the CAM groove of the CAM cylinder, passes through the straight groove of the straight-in cylinder, is inserted into the positioning hole of the focusing group and is locked and fixed, the CAM cylinder is abutted against the left limit end on the limit bump of the straight-in cylinder by the compression elastic wave-shaped gasket, is clamped into the right limit end in the limit groove of the straight-in cylinder by the bump of the CAM cylinder, rotates the CAM cylinder leftwards and rightwards, drives the focusing group to move upwards and downwards to realize stable focusing by the transmission PIN moving in the CAM groove of the CAM cylinder and the straight-in-cylinder, wherein the transmission PIN and the straight-in-cylinder are used for centering the focusing group, the structure, and the clearance fit with the straight-in cylinder, can not influence on the optical center deviation of the optical center, the focusing group is in clearance fit with the straight-moving cylinder to effectively eliminate the actuation abnormal sound, the elastic wave-shaped gasket is pressed between the CAM cylinder and the straight-moving cylinder, and the actuation hand feeling of the CAM cylinder is regulated by controlling the pressing deformation amount.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic perspective view of a linear motion barrel according to the present invention;
FIG. 4 is a schematic perspective view of a focusing group according to the present invention;
FIG. 5 is a perspective view of a CAM cartridge according to the present invention;
FIG. 6 is a schematic perspective view of an elastic wave washer according to the present invention;
fig. 7 is a left side cross-sectional view of the present invention.
In the figure: 1. a straight-in cylinder; 2. an elastic wave washer; 3. a CAM cartridge; 4. a focusing group; 5. driving the PIN; 6. a straight-in barrel limiting bump; 7. a straight groove; 8. a limiting groove; 9. avoiding steps; 10. positioning holes; 11. a limiting port; 12. a CAM slot; 13. a CAM cylinder limiting bump; 14. the elastic wave washer limits the bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, in an embodiment of the present invention, a focusing mechanism for effectively improving an actuating feel and noise includes a straight-moving cylinder 1, an elastic wave washer 2 is disposed on a right side of an outer wall of the straight-moving cylinder 1, a CAM cylinder 3 is slidably sleeved on the outer wall of the straight-moving cylinder 1, a focusing group 4 is slidably inserted into a left side of an inner cavity of the CAM cylinder 3, the circumference of the outer wall of the focusing group 4 is provided with a plurality of transmission PINs 5 at equal intervals, three transmission PINs 5 extend to the outer wall of the CAM barrel 3, the outer wall of focusing group 4 has seted up a plurality of locating hole 10 along circumference equidistance, and the outer wall one end of a CAM section of thick bamboo 3 has seted up a plurality of spacing mouthful 11 along circumference equidistance, and the outer division of a CAM section of thick bamboo 3 is equipped with a plurality of CAM groove 12, and the inner wall one end of a CAM section of thick bamboo 3 is provided with a plurality of CAM section of thick bamboo spacing lug 13 along circumference equidistance, and the outer wall of elasticity wave form packing ring 2 is provided with a plurality of elasticity wave form packing ring spacing lug 14 along circumference equidistance.
It should be noted that, the focusing group 4 is assembled into the straight-moving cylinder 1, the elastic wave washer 2 is sleeved into the straight-moving cylinder 1, then the CAM cylinder 3 is assembled into the straight-moving cylinder 1, paying attention to the arrangement of the elastic wave washer limit bump 14 into the limit opening 11 of the CAM cylinder 3, the CAM cylinder limit bump 13 is clamped into the limit groove 8 of the straight-moving cylinder 1, then the transmission PIN5 is aligned with the CAM groove 12 of the CAM cylinder 3, passes through the straight groove 7 of the straight-moving cylinder 1 and is inserted into the focus group 4 location hole 10 and is locked and fixed, the CAM cylinder 3 is fixed by pressing the elastic wave washer 2 to limit the left end on the straight-moving cylinder limit bump 6, then is clamped into the limit right end in the limit groove 8 of the straight-moving cylinder 1 through the bumps of the CAM cylinder 3, the CAM cylinder 3 is rotated left and right, the focusing group is driven by the transmission PIN5 to move in the CAM cylinder 3CAM groove 12 and the straight-moving groove 1 PIN groove to drive the focusing group to move up and down to realize stable focusing, wherein the straight-moving group 4 is centered by the straight groove 7 divided by the transmission PIN5 and the straight-moving cylinder 1, the focusing group 4 and the straight-moving cylinder 1 are in clearance fit, optical center deviation cannot be influenced, the focusing group 4 and the straight-moving cylinder 1 are in clearance fit, actuation abnormal sound can be effectively eliminated, the elastic wave-shaped gasket 2 is pressed between the CAM cylinder 3 and the straight-moving cylinder 1, and the actuation hand feeling of the CAM cylinder 3 is controlled by pressing deformation.
The outer wall of the straight-advancing barrel 1 is circumferentially provided with three straight-advancing barrel limiting lugs 6 at equal intervals, the outer wall of the straight-advancing barrel 1 is circumferentially provided with three straight grooves 7 at equal intervals, the outer wall of the straight-advancing barrel 1 is provided with a limiting groove 8, and the outer wall of the straight-advancing barrel 1 is provided with an avoiding step 9; the straight-in cylinder 1 is hollowed (used for assembling a focusing group 4), the middle section of the straight-in cylinder 1 is processed into a convex block which is used for limiting the elastic wave-shaped gasket 2 and the CAM cylinder 3 at the left end, the limiting groove 8 at the right end is used for clamping the limiting convex block 13 of the CAM cylinder to limit the CAM cylinder 3, the side wall of the straight-in cylinder 1 is provided with three straight grooves 7 which are 120 degrees, and the straight grooves have the functions of installing PIN guide and forcing the focusing group to move up and down for focusing.
The transmission PIN5 can be slidably embedded in the inner cavities of the straight groove 7 and the CAM groove 12; focusing can be achieved by telescoping focus group 4 under the action of drive PIN5 while CAM barrel 3 is rotated.
The transmission PIN5 is a POM plastic block; the plastic material has good lubricating effect and elasticity in extrusion, so that the plastic material can be tightly matched, and the action and the shaking are greatly improved
Tapping is arranged at the bottom end of the inner cavity of the positioning hole 10; for assembling the lock pay actuator PIN 5.
The length of the straight groove 7 is 0.1-100 mm; the length of the straight groove 7 can be flexibly set according to the focusing range of the optical focusing group.
The CAM slot 12 is arc-shaped; when the CAM slot 12 rotates, the interaction between the paper grass and the transmission PIN5 on the focusing group can make the focusing group 4 extend and contract, so as to flexibly adjust the focal length of the camera
The working principle of the invention is as follows: firstly, a focusing group 4 is assembled into a straight-moving cylinder 1, an elastic wave washer 2 is sleeved into the straight-moving cylinder 1, then a CAM cylinder 3 is assembled into the straight-moving cylinder 1, attention is paid to clamping a limiting lug 14 of the elastic wave washer into a limiting opening 11 of the CAM cylinder 3, a limiting lug 13 of the CAM cylinder is clamped into a limiting groove 8 of the straight-moving cylinder 1, then a transmission PIN5 is aligned with a CAM groove 12 of the CAM cylinder 3, penetrates through a straight groove 7 of the straight-moving cylinder 1 and is inserted into a positioning hole 10 of the focusing group 4 and is locked and fixed, the CAM cylinder 3 is clamped at the upper limiting left end of the limiting lug 6 of the straight-moving cylinder by pressing the elastic wave washer 2, then is clamped into the limiting right end of the limiting groove 8 of the straight-moving cylinder 1 by a lug of the CAM cylinder 3, the CAM cylinder 3 is rotated left and right, the focusing group is driven to move up and down by the transmission PIN5 in the CAM groove 12 of the CAM cylinder 3 and the straight-moving groove of the straight-moving cylinder 1 to realize stable focusing, wherein the focusing group 4 is centered by the straight-moving groove 7 of the transmission PIN5 and straight-moving cylinder 1, the focusing group 4 and the straight-advancing cylinder 1 are in clearance fit, optical center deviation cannot be influenced, the focusing group 4 and the straight-advancing cylinder 1 are in clearance fit, actuation abnormal sound can be effectively eliminated, the elastic wave-shaped gasket 2 is pressed between the CAM cylinder 3 and the straight-advancing cylinder 1, and the CAM cylinder 3 is controlled to adjust actuation hand feeling through pressing deformation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an effectively improve and actuate focusing mechanism who feels and abnormal sound, includes a straight section of thick bamboo (1), its characterized in that: an elastic wave-shaped gasket (2) is arranged on the right side of the outer wall of the straight-moving cylinder (1), the outer wall of the straight-moving cylinder (1) is sleeved with a CAM cylinder (3) in a sliding way, a focusing group (4) is inserted in the left side of the inner cavity of the CAM cylinder (3) in a sliding way, a plurality of transmission PIN (5) are equidistantly arranged on the circumference of the outer wall of the focusing group (4), the three transmission PIN (5) extend to the outer wall of the CAM barrel (3), a plurality of positioning holes (10) are arranged on the outer wall of the focusing group (4) at equal intervals along the circumferential direction, one end of the outer wall of the CAM cylinder (3) is provided with a plurality of limiting ports (11) at equal intervals along the circumferential direction, a plurality of CAM grooves (12) are arranged outside the CAM cylinder (3), a plurality of CAM cylinder limiting lugs (13) are arranged at one end of the inner wall of the CAM cylinder (3) along the circumferential direction at equal intervals, the outer wall of the elastic wave washer (2) is provided with a plurality of elastic wave washer limiting convex blocks (14) along the circumferential direction at equal intervals.
2. The focusing mechanism of claim 1, wherein the focusing mechanism is capable of improving the operational feeling and the abnormal sound, and comprises: the outer wall of a straight advance section of thick bamboo (1) is provided with three straight advance section of thick bamboo spacing lug (6) along circumference equidistance, the outer wall of a straight advance section of thick bamboo (1) is provided with three straight flute (7) along circumference equidistance, the outer wall of a straight advance section of thick bamboo (1) is provided with spacing groove (8), the outer wall of a straight advance section of thick bamboo (1) is provided with dodges step (9).
3. The focusing mechanism of claim 1, wherein the focusing mechanism is capable of improving the operational feeling and the abnormal sound, and comprises: the transmission PIN (5) can be slidably embedded in the inner cavities of the straight groove (7) and the CAM groove (12).
4. The focusing mechanism of claim 1, wherein the focusing mechanism is capable of improving the operational feeling and the abnormal sound, and comprises: the transmission PIN (5) is a POM plastic block.
5. The focusing mechanism of claim 1, wherein the focusing mechanism is capable of improving the operational feeling and the abnormal sound, and comprises: and tapping is arranged at the bottom end of the inner cavity of the positioning hole (10).
6. The focusing mechanism of claim 2, wherein the focusing mechanism is capable of improving the operational feeling and the abnormal sound, and comprises: the length of the straight groove (7) is 0.1-100 mm.
7. The focusing mechanism of claim 1, wherein the focusing mechanism is capable of improving the operational feeling and the abnormal sound, and comprises: the CAM slot (12) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783982.6A CN113406766A (en) | 2021-07-12 | 2021-07-12 | Focusing mechanism capable of effectively improving actuating hand feeling and abnormal sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783982.6A CN113406766A (en) | 2021-07-12 | 2021-07-12 | Focusing mechanism capable of effectively improving actuating hand feeling and abnormal sound |
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| Publication Number | Publication Date |
|---|---|
| CN113406766A true CN113406766A (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110783982.6A Pending CN113406766A (en) | 2021-07-12 | 2021-07-12 | Focusing mechanism capable of effectively improving actuating hand feeling and abnormal sound |
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| Country | Link |
|---|---|
| CN (1) | CN113406766A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285322A (en) * | 1992-09-08 | 1994-02-08 | Eastman Kodak Company | Mechanisms for mounting cam barrels |
| JP2000180689A (en) * | 1998-12-11 | 2000-06-30 | Fuji Photo Film Co Ltd | Lens barrel |
-
2021
- 2021-07-12 CN CN202110783982.6A patent/CN113406766A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285322A (en) * | 1992-09-08 | 1994-02-08 | Eastman Kodak Company | Mechanisms for mounting cam barrels |
| JP2000180689A (en) * | 1998-12-11 | 2000-06-30 | Fuji Photo Film Co Ltd | Lens barrel |
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Application publication date: 20210917 |