CN114253049B - Camera with protection function and method - Google Patents
Camera with protection function and method Download PDFInfo
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- CN114253049B CN114253049B CN202210012687.5A CN202210012687A CN114253049B CN 114253049 B CN114253049 B CN 114253049B CN 202210012687 A CN202210012687 A CN 202210012687A CN 114253049 B CN114253049 B CN 114253049B
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- protection
- fixedly connected
- machine body
- limiting
- camera
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
Abstract
The invention discloses a camera with a protection function and a method, wherein the camera comprises a machine body, a display screen is fixedly connected to the left side wall of the machine body, a control knob is fixedly connected to the left side of the machine body, the control knob is positioned on the right side of the display screen, a lens barrel is fixedly connected to the right side of the machine body, a protection mechanism is sleeved on the outer side of the lens barrel, the protection mechanism comprises a protection sleeve sleeved on the outer side of the lens barrel, and the protection sleeve is in a conical ring shape. According to the invention, automatic protection is provided when the camera body falls, meanwhile, automatic detection of a to-be-impacted surface at the moment that the camera body falls is realized through the matching arrangement among the spherical conductive sliding block, the annular opening and the flexible conductive sheet, so that the effect of timely providing protection early warning protection is achieved, meanwhile, the lens barrel is protected through the matching arrangement among the electromagnet and the permanent magnet, the effect of stable protection at the moment of falling is achieved, and the protection effect of the camera is remarkably improved.
Description
Technical Field
The invention relates to the technical field of camera protection, in particular to a camera with a protection function and a method.
Background
Along with the continuous improvement of people's standard of living, the camera has long become the indispensable product in people's daily life, compares in the low definition of shooing that the cell-phone was shot, and more consumers favor and hand-held camera, but traditional hand-held camera does not possess safeguard function, and the camera lens of camera is fragile optics, in case the emergence is collided with or is dropped during the use, directly leads to the camera lens damaged, consequently urgently needed a camera with safeguard function.
Disclosure of Invention
Aiming at the defects of the existing camera in the use process in the background technology, the invention provides the camera with the protection function and the method, which have the advantages of falling damage prevention and good protection effect and solve the technical problems in the background technology.
The invention provides the following technical scheme: a camera with a protection function and a method thereof comprise a body, wherein a display screen is fixedly connected to the left side wall of the body, a control knob is fixedly connected to the left side of the body, the control knob is positioned on the right side of the display screen, a lens barrel is fixedly connected to the right side of the body, and a protection mechanism is sleeved on the outer side of the lens barrel;
the protection mechanism comprises a protection sleeve sleeved outside the lens cone, the protection sleeve is set to be in a conical ring shape, the gravity deflection detection mechanism is arranged on the left side of the inside of the protection sleeve, and the protection support mechanism is arranged on the right side of the inside of the protection sleeve.
Preferably, the gravity deflection detection mechanism comprises a limiting groove formed in the inner wall of the protective sleeve, and the limiting groove is located in the wall thickness of the protective sleeve and is annular;
the gravity deflection detection mechanism further comprises a limiting hole formed in the inner wall of the protective sleeve, the limiting hole is formed at equal intervals along the circumferential direction of the limiting groove, a buffer rod is arranged inside the limiting hole, and one side, far away from the limiting hole, of the tail end of the buffer rod is fixedly connected to the outer side wall of the lens cone.
Preferably, the inside fixedly connected with spacing rail of spacing groove, the inner wall fixed connection of spacing rail is on the lateral wall that is close to spacing hole of spacing groove, the inside of spacing rail is equipped with the electrically conductive slider of sphere.
Preferably, an annular opening is formed in the center of the limit rail, the limit rail is an arc rail for the spherical conductive sliding block to slide, one end, close to the limit rail, of the buffer rod is fixedly connected with a flexible conductive sheet, and the flexible conductive sheet penetrates through the limit rail.
Preferably, the protection mechanism comprises a support rod fixedly connected to the inner wall of the right side of the protection sleeve, the support rod is arranged at equal intervals along the circumferential direction of the inner wall of the protection sleeve, the other end of the support rod is fixedly connected with a buffer spring, and the other end of the buffer spring is fixedly connected to the outer side wall of the lens cone.
Preferably, the side wall of the support rod close to the lens barrel is provided with eight sliding grooves, the eight sliding grooves are arranged at equal intervals along the center of the support rod, and an electromagnetic driving mechanism is arranged inside each sliding groove.
Preferably, the electromagnetic driving mechanism comprises an electromagnet fixedly connected to the inner bottom wall of the sliding groove, a buffering air bag is fixedly connected to the top end of the electromagnet, a permanent magnet is fixedly connected to the other end of the buffering air bag, and a connecting rib is fixedly connected to the other end of the permanent magnet.
Preferably, the connecting ribs are arranged in an elastic outward diffusion mode, the number of the connecting ribs is consistent with that of the sliding grooves, the other ends of the connecting ribs are fixedly connected with arc-shaped buffering cushions, and the arc-shaped buffering cushions are located inside the buffering springs.
A method of using a camera with a security function, comprising the steps of:
s1, when the body falls, the gravity deflection detection mechanism located in the protective sleeve starts to work, and the spherical conductive sliding block slides along the inside of the limit rail under the action of gravity;
s2, when the machine body falls, the spherical conductive sliding block is in the limiting rail and is in contact with the flexible conductive sheet to be electrified due to the deflection of the gravity center of the machine body in the falling process, so that an electric signal is generated at the deflection side of the machine body in the falling process, and the corresponding area is about to contact the ground;
s3, transmitting the electric signal generated by the gravity deflection detection mechanism to the inside of the protection mechanism, so that the protection mechanism on the side of the machine body which deflects to be in contact with the ground is started in time, and the inner wall of the lens barrel is protected in a buffering way;
s4, transmitting the electric signal to the electromagnet in the corresponding area, driving the permanent magnet to slide along the inside of the sliding groove under the action of the electromagnetic repulsion force, further extending the buffering air bag, driving the connecting rib to move synchronously, and finally realizing the movement of the arc-shaped buffering cushion towards the side wall of the lens cone, thereby realizing the protection of the lens cone.
The invention has the following beneficial effects:
1. according to the invention, automatic protection is provided when the camera body falls, and meanwhile, automatic detection of the to-be-impacted surface of the camera body at the moment of falling is realized through the matching arrangement of the spherical conductive sliding block, the limiting rail, the annular opening and the flexible conductive sheet, so that the effect of timely providing protection, early warning and protection is achieved.
2. According to the invention, the gravity deflection detection mechanism is used for early warning detection of the surface to be impacted of the lens cone, and the protection of the lens cone is realized through the matching arrangement of the electromagnet, the permanent magnet and the buffering air bag, so that the effect of stable protection at the moment of falling is achieved, and the protection effect of the camera is obviously improved.
3. According to the invention, the gravity center deflection when the camera falls in the use process is used as a detection power source, and meanwhile, the automatic protection at the falling moment is realized through the ingenious movement arrangement of the spherical conductive sliding block in the falling process, so that the service life of the camera lens barrel is obviously prolonged.
4. According to the invention, the accurate protection of the falling area is realized through the matching arrangement of the plurality of arc-shaped buffer cushions, the protection efficiency is improved, the protection of the lens cone is more targeted, and the protection effect is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the inside of the protective cover of the present invention;
FIG. 3 is a schematic view of the relationship between the positions of the protective cover and the buffer rod according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the internal structure of the support rod of the present invention;
FIG. 6 is a schematic view of the position relationship between the connecting ribs and the arc-shaped cushion pad according to the present invention.
In the figure: 1. a body; 2. a display screen; 3. a control knob; 4. a lens barrel; 5. a protective sleeve; 6. a limiting groove; 7. a limit rail; 71. an annular opening; 8. a spherical conductive slider; 9. a limiting hole; 10. a support bar; 101. a chute; 102. a buffer air bag; 103. a permanent magnet; 104. an electromagnet; 11. a buffer spring; 12. a buffer rod; 13. a flexible conductive sheet; 14. connecting ribs; 15. an arc-shaped buffer cushion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1-6, a camera with a protection function and a method thereof include a body 1, a display screen 2 is fixedly connected to a left side wall of the body 1, a control knob 3 is fixedly connected to a left side of the body 1, the control knob 3 is located at a right side of the display screen 2, a lens barrel 4 is fixedly connected to a right side of the body 1, and a protection mechanism is sleeved on an outer side of the lens barrel 4;
protection machanism is including cup jointing lag 5 in the lens cone 4 outside, and lag 5 sets up to conical ring-type, and the inside left side of lag 5 is equipped with gravity deflection detection mechanism, and the inside right side of lag 5 is equipped with the protection supporting mechanism.
The gravity deflection detection mechanism comprises a limiting groove 6 arranged on the inner wall of the protective sleeve 5, and the limiting groove 6 is positioned in the wall thickness of the protective sleeve 5 and is annular;
the gravity deflection detection mechanism further comprises a limiting hole 9 formed in the inner wall of the protective sleeve 5, the limiting hole 9 is formed along the circumferential direction of the limiting groove 6 at equal intervals, a buffer rod 12 is arranged inside the limiting hole 9, and one side, far away from the limiting hole 9, of the tail end of the buffer rod 12 is fixedly connected to the outer side wall of the lens cone 4.
The inside fixedly connected with spacing rail 7 of spacing groove 6, the inner wall fixed connection of spacing rail 7 is equipped with spherical conductive sliding block 8 on the lateral wall that is close to spacing hole 9 of spacing groove 6, the inside of spacing rail 7.
An annular opening 71 is arranged at the center of the limit rail 7, the limit rail 7 is an arc rail for the spherical conductive sliding block 8 to slide, one end of the buffer rod 12 close to the limit rail 7 is fixedly connected with a flexible conductive sheet 13, the flexible conductive sheet 13 penetrates into the limit rail 7, when the machine body 1 falls, because the spherical conductive sliding block 8 deflects in the limiting rail 7 due to the gravity center of the machine body 1 in the falling process, the spherical conductive sliding block 8 is contacted with the flexible conductive sheet 13 to be electrified, so that an electric signal is generated at the deflection side in the falling process of the machine body 1, the corresponding area is about to contact the ground, provides automatic protection when dropping through the organism 1, sets up the automated inspection who realizes the camera organism 1 instant collision face of treating that drops through the cooperation between spherical conductive sliding block 8, spacing rail 7, annular opening 71, the flexible conducting strip 13 simultaneously, reaches the effect that in time provides protection early warning protection.
The protection mechanism comprises a support rod 10 fixedly connected to the inner wall of the right side of the protection sleeve 5, the support rod 10 is arranged at equal intervals along the circumferential direction of the inner wall of the protection sleeve 5, the other end of the support rod 10 is fixedly connected with a buffer spring 11, and the other end of the buffer spring 11 is fixedly connected to the outer side wall of the lens cone 4.
The side wall of the support rod 10 close to the lens barrel 4 is provided with eight sliding grooves 101, the sliding grooves 101 are arranged at equal intervals along the center of the support rod 10, and an electromagnetic driving mechanism is arranged inside the sliding grooves 101.
The electromagnetic driving mechanism comprises an electromagnet 104 fixedly connected to the inner bottom wall of the chute 101, the top end of the electromagnet 104 is fixedly connected with a buffer air bag 102, the other end of the buffer air bag 102 is fixedly connected with a permanent magnet 103, the other end of the permanent magnet 103 is fixedly connected with a connecting rib 14, the electromagnet 104 transmits an electric signal to a corresponding area, the permanent magnet 103 is driven to slide along the inside of the chute 101 under the action of electromagnetic repulsion force, so that the buffer air bag 102 extends, the connecting rib 14 is driven to move synchronously, and finally, an arc-shaped buffer pad 15 moves towards the side wall of the lens cone 4, thereby protecting the lens cone 4, the early warning detection of the surface to be impacted of the lens cone 4 is realized through the gravity deflection detection mechanism, meanwhile, the protection of the lens cone 4 is realized through the matching arrangement among the electromagnet 104, the permanent magnet 103 and the buffer air bag 102, and the effect of stable protection at the moment of dropping is achieved, the protection effect of the camera is obviously improved.
Connecting rib 14 is elasticity outdiffusion setting, make arc blotter 15 obtain stable slip, connecting rib 14's quantity keeps unanimous with the quantity of spout 101, connecting rib 14's other end fixedly connected with arc blotter 15, arc blotter 15 is located buffer spring 11's inside, ensure that arc blotter 15 closely laminates with lens cone 4's outer wall, focus when taking place to fall in the camera use deflects as detecting the power supply, simultaneously through the ingenious motion setting of 8 whereabouts in-process of spherical conductive sliding block, realize the automatic protection to dropping in the twinkling of an eye, the life who is showing and has improved camera lens cone 4.
A method of using a camera with a security function, comprising the steps of:
s1, when the machine body 1 falls, the gravity deflection detection mechanism positioned in the protective sleeve 5 starts to work, and the spherical conductive sliding block 8 slides along the inside of the limit rail 7 under the action of gravity;
s2, in the falling process of the machine body 1, the spherical conductive sliding block 8 is in contact with the flexible conductive sheet 13 to be electrified due to the deflection of the gravity center of the machine body 1 in the falling process in the limiting rail 7, so that an electric signal is generated at the deflection side of the machine body 1 in the falling process, and the corresponding area is about to contact the ground;
s3, transmitting the electric signal generated by the gravity deflection detection mechanism to the inside of the protection mechanism, so that the protection mechanism on the side of the machine body 1 which deflects to be in contact with the ground is started in time, and the inner wall of the lens barrel 4 is buffered and protected;
s4, transmitting the electric signal to the electromagnet 104 in the corresponding area, and driving the permanent magnet 103 to slide along the inside of the sliding groove 101 under the action of the electromagnetic repulsion force, so that the buffer airbag 102 extends to drive the connecting rib 14 to move synchronously, and finally the arc-shaped buffer pad 15 moves towards the side wall of the lens barrel 4, thereby protecting the lens barrel 4.
The using method of the invention has the following working principle:
a method of using a camera with a security function, comprising the steps of:
when the machine body 1 falls, the gravity deflection detection mechanism positioned in the protective sleeve 5 starts to work, and the spherical conductive sliding block 8 slides along the inside of the limiting rail 7 under the action of gravity;
when the machine body 1 falls, the spherical conductive sliding block 8 is in contact with the flexible conductive sheet 13 to be electrified due to the deflection of the gravity center of the machine body 1 in the falling process in the limiting rail 7, so that an electric signal is generated at the deflection side of the machine body 1 in the falling process, and the corresponding area is about to contact the ground;
the electric signal generated by the gravity deflection detection mechanism is transmitted to the inside of the protection mechanism, so that the protection mechanism on the side of the machine body 1 which deflects to be in contact with the ground is started in time, and the inner wall of the lens cone 4 is buffered and protected;
transmit the signal of telecommunication to the electro-magnet 104 that corresponds the region, drive permanent magnet 103 and take place to slide along the inside of spout 101 under the effect of electromagnetic repulsion, and then make buffering gasbag 102 extension, drive splice bar 14 synchronous motion, finally realize that arc blotter 15 moves towards the lateral wall of lens cone 4 to the realization is to the protection of lens cone 4.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (4)
1. A camera with a protection function, comprising a body (1), characterized in that: the left side wall of the machine body (1) is fixedly connected with a display screen (2), the left side of the machine body (1) is fixedly connected with a control knob (3), the control knob (3) is positioned on the right side of the display screen (2), the right side of the machine body (1) is fixedly connected with a lens barrel (4), and the outer side of the lens barrel (4) is sleeved with a protection mechanism;
the protection mechanism comprises a protection sleeve (5) sleeved on the outer side of the lens cone (4), the protection sleeve (5) is in a conical ring shape, the left side of the interior of the protection sleeve (5) is provided with a gravity deflection detection mechanism, and the right side of the interior of the protection sleeve (5) is provided with a protection support mechanism;
the gravity deflection detection mechanism comprises a limiting groove (6) formed in the inner wall of the protective sleeve (5), and the limiting groove (6) is located in the wall thickness of the protective sleeve (5) and is annular;
the gravity deflection detection mechanism further comprises limiting holes (9) formed in the inner wall of the protective sleeve (5), the limiting holes (9) are formed at equal intervals along the circumferential direction of the limiting groove (6), a buffer rod (12) is arranged inside the limiting holes (9), and one side, far away from the limiting holes (9), of the tail end of the buffer rod (12) is fixedly connected to the outer side wall of the lens cone (4);
a limiting rail (7) is fixedly connected inside the limiting groove (6), the inner wall of the limiting rail (7) is fixedly connected to the side wall, close to the limiting hole (9), of the limiting groove (6), and a spherical conductive sliding block (8) is arranged inside the limiting rail (7);
an annular opening (71) is formed in the center of the limiting rail (7), the limiting rail (7) is an arc-shaped rail on which the spherical conductive sliding block (8) can slide, one end, close to the limiting rail (7), of the buffer rod (12) is fixedly connected with a flexible conductive sheet (13), and the flexible conductive sheet (13) penetrates into the limiting rail (7);
the protection mechanism comprises support rods (10) fixedly connected to the inner wall of the right side of the protection sleeve (5), the support rods (10) are arranged at equal intervals along the circumferential direction of the inner wall of the protection sleeve (5), the other ends of the support rods (10) are fixedly connected with buffer springs (11), and the other ends of the buffer springs (11) are fixedly connected to the outer side wall of the lens cone (4);
the side wall of the support rod (10) close to the lens barrel (4) is provided with eight sliding grooves (101), the sliding grooves (101) are arranged at equal intervals along the center of the support rod (10), and an electromagnetic driving mechanism is arranged inside the sliding grooves (101).
2. A camera with a security function according to claim 1, characterized in that: the electromagnetic driving mechanism comprises an electromagnet (104) fixedly connected to the inner bottom wall of the sliding groove (101), the top end of the electromagnet (104) is fixedly connected with a buffering air bag (102), the other end of the buffering air bag (102) is fixedly connected with a permanent magnet (103), and the other end of the permanent magnet (103) is fixedly connected with a connecting rib (14).
3. A camera with a security function according to claim 2, characterized in that: the connecting rib (14) is arranged in an elastic outward diffusion mode, the number of the connecting rib (14) is consistent with that of the sliding grooves (101), the other end of the connecting rib (14) is fixedly connected with an arc-shaped cushion pad (15), and the arc-shaped cushion pad (15) is located inside the buffer spring (11).
4. A method of using a camera with a security function, comprising the steps of:
s1, when the machine body (1) falls, the gravity deflection detection mechanism located inside the protective sleeve (5) starts to work, and the spherical conductive sliding block (8) slides along the inside of the limit rail (7) under the action of gravity;
s2, when the machine body (1) falls, the spherical conductive sliding block (8) is in the limiting rail (7) and deflects due to the gravity center of the machine body (1) in the falling process, so that the spherical conductive sliding block (8) is in contact with the flexible conductive sheet (13) to be electrified, an electric signal is generated on the deflected side of the machine body (1) in the falling process, and the corresponding area is about to contact the ground;
s3, transmitting the electric signal generated by the gravity deflection detection mechanism to the inside of the protection mechanism, so that the protection mechanism on the side of the machine body (1) which is about to contact the ground is turned on in time by deflection, and the inner wall of the lens cone (4) is protected in a buffering way;
s4, the electric signals are transmitted to the electromagnets (104) in the corresponding areas, the permanent magnets (103) are driven to slide along the inner part of the sliding groove (101) under the action of electromagnetic repulsion force, so that the buffer air bags (102) are extended to drive the connecting ribs (14) to move synchronously, and finally the arc-shaped buffer pads (15) move towards the side wall of the lens cone (4), thereby protecting the lens cone (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012687.5A CN114253049B (en) | 2022-01-06 | 2022-01-06 | Camera with protection function and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012687.5A CN114253049B (en) | 2022-01-06 | 2022-01-06 | Camera with protection function and method |
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| CN114253049A CN114253049A (en) | 2022-03-29 |
| CN114253049B true CN114253049B (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210012687.5A Active CN114253049B (en) | 2022-01-06 | 2022-01-06 | Camera with protection function and method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117092777B (en) * | 2023-10-19 | 2023-12-19 | 江西省爱成海光学科技有限公司 | Plastic part falling protection mechanism of optical lens |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010033894A1 (en) * | 2008-09-21 | 2010-03-25 | Graeme David Esarey | Universal camera lens impact protection system |
| CN104797105A (en) * | 2015-04-20 | 2015-07-22 | 重庆蓝岸通讯技术有限公司 | Electronic product protection shell with safety air bag and control method thereof |
| CN210488213U (en) * | 2019-11-26 | 2020-05-08 | 重庆凯弘科技有限公司 | Lens protection mechanism of digital camera |
| CN211534338U (en) * | 2020-02-19 | 2020-09-22 | 德阳市人民医院 | Protecting sleeve for endoscope lens |
| CN213817921U (en) * | 2020-12-28 | 2021-07-27 | 南昌同兴达精密光电有限公司 | Lens cone with protection structure for mobile phone camera |
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2022
- 2022-01-06 CN CN202210012687.5A patent/CN114253049B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010033894A1 (en) * | 2008-09-21 | 2010-03-25 | Graeme David Esarey | Universal camera lens impact protection system |
| CN104797105A (en) * | 2015-04-20 | 2015-07-22 | 重庆蓝岸通讯技术有限公司 | Electronic product protection shell with safety air bag and control method thereof |
| CN210488213U (en) * | 2019-11-26 | 2020-05-08 | 重庆凯弘科技有限公司 | Lens protection mechanism of digital camera |
| CN211534338U (en) * | 2020-02-19 | 2020-09-22 | 德阳市人民医院 | Protecting sleeve for endoscope lens |
| CN213817921U (en) * | 2020-12-28 | 2021-07-27 | 南昌同兴达精密光电有限公司 | Lens cone with protection structure for mobile phone camera |
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| CN114253049A (en) | 2022-03-29 |
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