CN211293420U - Manual focusing non-virtual focus module - Google Patents
Manual focusing non-virtual focus module Download PDFInfo
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- CN211293420U CN211293420U CN201922153296.1U CN201922153296U CN211293420U CN 211293420 U CN211293420 U CN 211293420U CN 201922153296 U CN201922153296 U CN 201922153296U CN 211293420 U CN211293420 U CN 211293420U
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Abstract
The utility model discloses a manual focusing non-virtual focus module, which comprises a casing connecting base, a snap ring, a movable focusing wheel and a movable focusing ring; a base light-transmitting through hole is formed in the middle of the shell connecting base, and a base upper end flange is arranged on the periphery of the base light-transmitting through hole of the shell connecting base; the clamping ring is arranged at the upper end part of the flange at the upper end of the base; the movable focusing wheel is arranged on the periphery of the clamping ring, the lower end part of the movable focusing wheel is clamped between the clamping ring and the flange at the upper end of the base, and when the movable focusing wheel is used, the movable focusing wheel can rotate relative to the clamping ring and the machine shell connecting seat; the movable focusing ring is positioned on the upper end side of the clamping ring and is connected with the upper end part of the movable focusing wheel, a focusing ring light-transmitting through hole is formed in the middle of the movable focusing ring, and an internal thread is formed in the inner wall of the focusing ring light-transmitting through hole; the movable focusing ring is provided with at least three focusing ring mounting holes, and a glass bead spring is respectively embedded in each focusing ring mounting hole. Through the structure design, the utility model has the advantages of novel in design, good, the focusing of reliable and stable nature does not have virtual burnt.
Description
Technical Field
The utility model relates to an optical device technical field especially relates to a manual focusing does not virtually burnt module.
Background
For a camera, in the process of taking pictures and images, in order to ensure the definition of the pictures or images taken, focusing and focusing operations need to be performed on the camera lens of the camera during use.
It should be noted that, for the lens module of the existing camera, during the focusing process, the phenomenon of relatively serious virtual focus occurs, which will affect the image quality and is difficult to satisfy the requirement of high quality and high precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough and provide a manual focusing does not make a virtual burnt module, this manual focusing does not make a virtual burnt module structural design novel, the reliable and stable nature is good, the focusing does not have and makes a virtual burnt.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A manual focusing non-virtual focus module comprises a shell connecting base, a clamping ring, a movable focusing wheel and a movable focusing ring;
a base light-transmitting through hole which completely penetrates through the machine shell connecting base from top to bottom is formed in the middle of the machine shell connecting base, and an upward convex extending base upper end flange is arranged on the periphery of the base light-transmitting through hole of the machine shell connecting base;
the clamping ring is in a circular ring shape and is arranged at the upper end part of the flange at the upper end of the base of the shell connecting base;
the movable focusing wheel is in a circular ring shape, is arranged on the periphery of the clamping ring, and the lower end part of the movable focusing wheel is clamped between the clamping ring and the flange at the upper end of the base of the machine shell connecting base;
the movable focusing ring is positioned on the upper end side of the clamping ring and is connected with the upper end part of the movable focusing wheel, a focusing ring light-transmitting through hole which completely penetrates through the middle position of the movable focusing ring from top to bottom and is aligned with a base light-transmitting through hole of the base connected with the machine shell is formed in the middle position of the movable focusing ring, and an internal thread is formed in the inner wall of the focusing ring light-transmitting through hole; the movable focusing ring is provided with at least three focusing ring mounting holes which are circumferentially distributed at uniform intervals and are respectively provided with downward openings, the focusing ring mounting holes are respectively internally embedded with glass bead springs which are vertically arranged, and steel balls of the glass bead springs are respectively abutted against the upper surface of the clamping ring.
The outer surface of the upper end flange of the base of the shell connecting base is provided with a base limiting bulge which protrudes outwards, and the base limiting bulge and the upper end flange of the base are of an integral structure;
the inner wall of activity focusing wheel is provided with the spacing arch of convex focusing wheel inwards, and the spacing arch of focusing wheel is structure as an organic whole with the activity focusing wheel, and the spacing arch of focusing wheel is located between the edge part of snap ring and the spacing arch of base, the spacing arch of base carries out the lower extreme spacing to the spacing arch of focusing wheel, and the edge part of snap ring carries out the upper end spacing to the spacing arch of focusing wheel.
The upper end flange of the base and the shell connecting base are of an integral structure.
The clamping ring is screwed and fixed on a flange at the upper end of the base of the shell connecting base through a locking screw.
The upper end part of the movable focusing wheel is in threaded connection with the edge part of the movable focusing ring through a locking screw.
Wherein, the movable focusing ring is provided with three, four, five or six glass bead springs.
And a groove is formed in the outer wall of the movable focusing wheel.
The utility model has the advantages that: the utility model relates to a manual focusing non-virtual focus module, which comprises a shell connecting base, a snap ring, a movable focusing wheel and a movable focusing ring; a base light-transmitting through hole which completely penetrates through the machine shell connecting base from top to bottom is formed in the middle of the machine shell connecting base, and an upward convex extending base upper end flange is arranged on the periphery of the base light-transmitting through hole of the machine shell connecting base; the clamping ring is in a circular ring shape and is arranged at the upper end part of the flange at the upper end of the base of the shell connecting base; the movable focusing wheel is in a circular ring shape, is arranged on the periphery of the clamping ring, and the lower end part of the movable focusing wheel is clamped between the clamping ring and the flange at the upper end of the base of the machine shell connecting base; the movable focusing ring is positioned on the upper end side of the clamping ring and is connected with the upper end part of the movable focusing wheel, a focusing ring light-transmitting through hole which completely penetrates through the middle position of the movable focusing ring from top to bottom and is aligned with a base light-transmitting through hole of the base connected with the machine shell is formed in the middle position of the movable focusing ring, and an internal thread is formed in the inner wall of the focusing ring light-transmitting through hole; the movable focusing ring is provided with at least three focusing ring mounting holes which are circumferentially distributed at uniform intervals and are respectively provided with downward openings, the focusing ring mounting holes are respectively internally embedded with glass bead springs which are vertically arranged, and steel balls of the glass bead springs are respectively abutted against the upper surface of the clamping ring. Through the structure design, the utility model has the advantages of structural design is novel, reliable and stable nature is good, focusing does not have virtual burnt.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 1 to 3 include:
1-case connecting base 11-base light-transmitting through hole
12-base upper end flange 13-base limit projection
2-clasp 3-movable focusing wheel
31-limiting projection 32 of focusing wheel-groove
4-movable focusing ring 41-focusing ring light-transmission through hole
42-internal thread 43-focusing ring mounting hole
5-glass bead spring 6-locking screw.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 to 3, a manual focusing non-virtual focus module includes a case connection base 1, a snap ring 2, a movable focusing wheel 3 and a movable focusing ring 4.
The middle position of the casing connection base 1 is provided with a base light-transmitting through hole 11 which completely penetrates from top to bottom, and the casing connection base 1 is provided with a base upper end flange 12 which protrudes upwards and extends at the periphery of the base light-transmitting through hole 11. Preferably, the base upper end flange 12 is integrated with the case connection base 1.
Further, the snap ring 2 is in a circular ring shape, and the snap ring 2 is arranged at the upper end part of the base upper end flange 12 of the machine shell connecting base 1.
Furthermore, the movable focusing wheel 3 is in a circular ring shape, the movable focusing wheel 3 is arranged on the periphery of the clamping ring 2, the lower end part of the movable focusing wheel 3 is clamped between the clamping ring 2 and the upper end flange 12 of the base of the machine shell connecting base 1, and when the movable focusing wheel 3 is used, the movable focusing wheel can rotate 360 degrees relative to the clamping ring 2 and the machine shell connecting base.
In addition, the movable focusing ring 4 is positioned at the upper end side of the clamping ring 2, the movable focusing ring 4 is connected with the upper end part of the movable focusing wheel 3, a focusing ring light-transmitting through hole 41 which completely penetrates through the upper part and the lower part and is aligned with the base light-transmitting through hole 11 of the machine shell connecting base 1 up and down is arranged at the middle position of the movable focusing ring 4, and an internal thread 42 is arranged on the inner wall of the focusing ring light-transmitting through hole 41; the movable focusing ring 4 is provided with at least three focusing ring mounting holes 43 which are distributed in a circumferential annular shape at uniform intervals and are respectively opened downwards, the focusing ring mounting holes 43 are respectively embedded with glass bead springs 5 which are vertically arranged, and steel balls of the glass bead springs 5 are respectively abutted against the upper surface of the clamping ring 2. Preferably, the movable focus ring 4 is provided with three, four, five or six bead springs 5.
Can clamp between the base upper end flange 12 of snap ring 2 and casing connection base 1 for guaranteeing 360 degrees relative rotary motion ground of activity focusing wheel 3, the utility model discloses a following structural design, it is concrete: the outer surface of a base upper end flange 12 of the shell connecting base 1 is provided with a base limiting bulge 13 protruding outwards, and the base limiting bulge 13 and the base upper end flange 12 are of an integral structure; the inner wall of activity focusing wheel 3 is provided with the spacing arch 31 of convex focusing wheel inwards, and the spacing arch 31 of focusing wheel and activity focusing wheel 3 structure as an organic whole, and the spacing arch 31 of focusing wheel is located between the edge part of snap ring 2 and the spacing arch 13 of base, and the spacing arch 13 of base carries out the lower extreme spacing to the spacing arch 31 of focusing wheel, and the edge part of snap ring 2 carries out the upper end spacing to the spacing arch 31 of focusing wheel.
As a preferred embodiment, as shown in fig. 1 to 3, the snap ring 2 is screwed and fastened to the base upper end flange 12 of the housing connection base 1 by the locking screw 6, and the upper end portion of the movable focusing wheel 3 is screwed and fastened to the edge portion of the movable focusing ring 4 by the locking screw 6. Of course, above-mentioned spiro union assembly methods do not constitute the limitation of the utility model discloses an promptly snap ring 2 can be in the upper end of base upper end flange 12 through the mode spiral-lock of lock joint, just the utility model discloses a movable focusing wheel 3 also can be in the edge part of movable focusing ring 4 through the mode spiral-lock of lock joint.
It should be noted that the outer wall of the movable focusing wheel 3 is provided with a groove 32; in the process that the user manually rotates the movable focusing wheel 3, the structure of the groove 32 can effectively increase the friction force when the finger acts, and further increase the convenience when the movable focusing wheel 3 is manually rotated.
It should be further explained that, for the case connection base 1 of the present invention, it is locked and installed on the case of the camera lens; the casing connection base 1 can be fastened and mounted with the casing of the camera lens in a screwing or buckling mode. For the lens component of the camera lens, the lens component is arranged in a focusing ring light-transmitting through hole 41 of the movable focusing ring 4, and the lens component is in threaded connection with an internal thread 42 on the inner wall of the focusing ring light-transmitting through hole 41 through an external thread; it should be noted that the lens assembly of the camera lens can only move up and down, and cannot rotate.
The utility model discloses in the assembling process, snap ring 2 attaches into a whole with casing joint pad 1 lock, and movable focusing wheel 3 attaches into a whole with movable focusing ring 4 lock. When utilizing the utility model discloses when carrying out manual focusing operation, user manual rotation activity focusing wheel 3, and activity focusing ring 4 is along with activity focusing wheel 3 synchronous revolution, because the internal thread 42 of focusing ring printing opacity through-hole 41 inner wall and the external screw thread spiro union of lens subassembly, at the in-process of activity focusing ring 4 spin motion, the screw thread depth of rotation between activity focusing ring 4 and the lens subassembly can change, because the fixed unable removal of activity focusing ring 4Z axle direction, so will promote the lens subassembly and remove in Z axle direction, thereby realize the camera lens focusing operation.
It should be further pointed out that the snap ring 2 of the present invention is pressed downward by at least three bead springs 5, and each bead spring 5 of the present invention keeps a compressed state when being installed, i.e. each bead spring 5 keeps pressing downward against the upper surface of the snap ring 2, the reset elastic action of each bead spring 5 keeps the upper surface of the focusing wheel protrusion contacting with the edge portion of the snap ring 2, and the position of the focusing wheel protrusion contacting with the edge portion of the snap ring 2 can be defined as an initial position; under the circumstances such as motion, static, receive external force extrusion or vibration, the utility model discloses a glass pearl spring 5 presses all the time at 2 surfaces of snap ring and be in compression state, promptly the utility model discloses a glass pearl spring 5 can guarantee that activity focusing ring 4Z axle does not have the volume of scurrying and remains throughout at initial position. Still be, the utility model discloses a plurality of glass pearl springs 5 are the cyclic annular even interval distribution of circumference, and the glass pearl spring 5 that is cyclic annular even interval can be balanced to act on snap ring 2 steadily, can avoid effectively promptly that the phenomenon of beat appears in activity focusing wheel 3, activity focusing ring 4 when focusing operation, and can guarantee the smooth and easy degree of focusing action.
Synthesize the above-mentioned condition and know, through above-mentioned structural design, the utility model has the advantages of structural design is novel, reliable and stable good, the focusing does not have virtual burnt.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a not virtual focus module of manual focusing which characterized in that: comprises a shell connecting base (1), a clamping ring (2), a movable focusing wheel (3) and a movable focusing ring (4);
a base light-transmitting through hole (11) which completely penetrates through the machine shell connecting base (1) from top to bottom is formed in the middle of the machine shell connecting base (1), and a base upper end flange (12) which protrudes upwards and extends is arranged on the periphery of the base light-transmitting through hole (11) of the machine shell connecting base (1);
the clamping ring (2) is in a circular ring shape, and the clamping ring (2) is arranged at the upper end part of a flange (12) at the upper end of the base of the shell connecting base (1);
the movable focusing wheel (3) is in a circular ring shape, the movable focusing wheel (3) is arranged on the periphery of the clamping ring (2), the lower end part of the movable focusing wheel (3) is clamped between the clamping ring (2) and a flange (12) at the upper end of the base of the machine shell connecting base (1), and when the movable focusing wheel is used, the movable focusing wheel (3) can rotate 360 degrees relative to the clamping ring (2) and the machine shell connecting base;
the movable focusing ring (4) is positioned on the upper end side of the clamping ring (2), the movable focusing ring (4) is connected with the upper end part of the movable focusing wheel (3), a focusing ring light-transmitting through hole (41) which completely penetrates through the movable focusing ring (4) from top to bottom and is vertically aligned with a base light-transmitting through hole (11) of the shell connecting base (1) is formed in the middle of the movable focusing ring (4), and an internal thread (42) is formed in the inner wall of the focusing ring light-transmitting through hole (41); the movable focusing ring (4) is provided with at least three focusing ring mounting holes (43) which are circumferentially distributed at uniform intervals and are respectively provided with downward openings, glass bead springs (5) which are vertically arranged are respectively embedded in the focusing ring mounting holes (43), and steel balls of the glass bead springs (5) are respectively abutted to the upper surface of the clamping ring (2).
2. The manual focusing non-virtual focus module of claim 1, wherein: the outer surface of a base upper end flange (12) of the shell connecting base (1) is provided with a base limiting bulge (13) protruding outwards, and the base limiting bulge (13) and the base upper end flange (12) are of an integral structure;
the inner wall of activity focusing wheel (3) is provided with spacing arch (31) of convex focusing wheel inwards, and spacing arch (31) of focusing wheel and activity focusing wheel (3) structure as an organic whole, and spacing arch (31) of focusing wheel are located between the edge part of snap ring (2) and the spacing arch (13) of base, it is spacing that the base is spacing protruding (13) carry out the lower extreme to spacing arch (31) of focusing wheel, and the edge part of snap ring (2) carries out the upper end spacing to spacing arch (31) of focusing wheel.
3. The manual focusing non-virtual focus module of claim 1, wherein: the upper end flange (12) of the base and the shell connecting base (1) are of an integral structure.
4. The manual focusing non-virtual focus module of claim 1, wherein: the clamping ring (2) is screwed and fastened on a flange (12) at the upper end of the base of the shell connecting base (1) through a locking screw (6).
5. The manual focusing non-virtual focus module of claim 1, wherein: the upper end part of the movable focusing wheel (3) is in threaded connection with the edge part of the movable focusing ring (4) through a locking screw (6).
6. The manual focusing non-virtual focus module of claim 1, wherein: the movable focusing ring (4) is provided with three, four, five or six glass bead springs (5).
7. The manual focusing non-virtual focus module of claim 1, wherein: the outer wall of the movable focusing wheel (3) is provided with a groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153296.1U CN211293420U (en) | 2019-12-05 | 2019-12-05 | Manual focusing non-virtual focus module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153296.1U CN211293420U (en) | 2019-12-05 | 2019-12-05 | Manual focusing non-virtual focus module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211293420U true CN211293420U (en) | 2020-08-18 |
Family
ID=72013683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922153296.1U Active CN211293420U (en) | 2019-12-05 | 2019-12-05 | Manual focusing non-virtual focus module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211293420U (en) |
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2019
- 2019-12-05 CN CN201922153296.1U patent/CN211293420U/en active Active
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