CN117170058A - Impact-resistant flame-retardant corrosion-resistant optical imaging lens - Google Patents

Impact-resistant flame-retardant corrosion-resistant optical imaging lens Download PDF

Info

Publication number
CN117170058A
CN117170058A CN202311455113.6A CN202311455113A CN117170058A CN 117170058 A CN117170058 A CN 117170058A CN 202311455113 A CN202311455113 A CN 202311455113A CN 117170058 A CN117170058 A CN 117170058A
Authority
CN
China
Prior art keywords
increasing
sleeve
face
impact
lens body
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.)
Granted
Application number
CN202311455113.6A
Other languages
Chinese (zh)
Other versions
CN117170058B (en
Inventor
李笑然
危凌志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Yimei Medical Technology Co ltd
Original Assignee
Nantong Yimei Medical Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Yimei Medical Technology Co ltd filed Critical Nantong Yimei Medical Technology Co ltd
Priority to CN202311455113.6A priority Critical patent/CN117170058B/en
Publication of CN117170058A publication Critical patent/CN117170058A/en
Application granted granted Critical
Publication of CN117170058B publication Critical patent/CN117170058B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Studio Devices (AREA)

Abstract

The application relates to an anti-impact flame-retardant corrosion-resistant optical imaging lens applied to the technical field of optics, an impact-resistant layer can be formed on the surface of a lens body through the arrangement of an anti-impact double-ring sleeve, when the lens body is impacted radially, force firstly acts on a force expansion sleeve, a protective strip at a stressed part extrudes two reinforcing strips correspondingly contacted with the force expansion sleeve, so that the force on the protective strip is transferred to the reinforcing strips, the bottoms of the corresponding two reinforcing strips are stressed and deformed against the surface of the lens body, the contact surface is obviously increased, and compared with the prior art, the anti-impact double-ring sleeve has a certain buffering effect, and the stressed area of the surface of the lens body can be effectively enlarged, so that the locally stressed pressure is reduced, and the lens body is further protected from being damaged easily.

Description

Impact-resistant flame-retardant corrosion-resistant optical imaging lens
Technical Field
The application relates to an optical imaging lens, in particular to an impact-resistant flame-retardant corrosion-resistant optical imaging lens applied to the technical field of optics.
Background
The optical lens is an indispensable component in a machine vision system, is generally formed by combining a plurality of convex lenses, concave lenses and corresponding metal parts, and directly influences the quality of imaging and the realization and effect of an algorithm. The optical lens is a portal of a camera, and the most basic function of the optical lens is to image a shot object on a photosensitive element in the video camera, and for the camera, the quality of the lens is always a key factor affecting the imaging quality. At present, the existing optical lenses are various in types, but are easy to collide in the use process, damage is caused to the lenses, imaging effects of the lenses are affected, the protection performance is poor, and the use is inconvenient.
In order to solve the above problems, the specification of chinese patent CN219625780U discloses an anti-impact flame-retardant corrosion-resistant optical imaging lens, in which an impact-resistant component is installed in front of the lens, so as to form an effective buffer member on the lens, and when the lens is impacted or bumped by the outside, the impact-resistant component is utilized to effectively buffer the outside impact and the stress of the impact, so as to effectively protect the lens, avoid the lens from being damaged, and prolong the service life of the lens.
However, the above patent has a certain protection buffer effect when receiving the transverse impact force, but is difficult to play an obvious buffer effect when receiving the radial impact force, and is easy to cause local excessive concentrated stress at the impacted part, so that the lens is easy to be damaged.
Disclosure of Invention
Aiming at the prior art, the technical problem to be solved by the application is that the optical lens is easy to be damaged due to local stress concentration when being subjected to accidental impact in the radial direction.
In order to solve the problems, the application provides an anti-impact flame-retardant corrosion-resistant optical imaging lens, which comprises a lens body, wherein an anti-impact double-ring sleeve is sleeved outside the lens body, the anti-impact double-ring sleeve comprises a force expansion sleeve and a surface expansion sleeve which are sequentially sleeved on the outer surface of the lens body from outside to inside, the surface expansion sleeve comprises a plurality of surface expansion strips and a plurality of groups of inner limit ropes which are respectively and fixedly connected between two adjacent surface expansion strips, the plurality of surface expansion strips are distributed in an annular array, the structural arrangement of the force expansion sleeve and the surface expansion sleeve is consistent, the force expansion sleeve comprises a plurality of protective strips and a plurality of outer limit ropes which are respectively connected between the two adjacent protective strips, and the plurality of protective strips and the plurality of surface expansion strips are distributed in a staggered manner and are mutually contradicted.
In the anti-impact flame-retardant corrosion-resistant optical imaging lens, through the arrangement of the anti-impact double-ring sleeve, an impact-resistant layer can be formed on the surface of the lens body, and a certain buffering effect can be achieved when the lens body is impacted radially, the stressed area of the surface of the lens body can be effectively enlarged, the locally stressed pressure is reduced, and the lens body is further protected from being damaged easily.
As a further improvement of the application, the diameter of the noodle is smaller than that of the protective strip, and the diameter of the protective strip is 2-3 times of the distance between two adjacent noodle.
As a further improvement of the application, the outer limiting rope is made of elastic material, and the inner limiting rope is of flexible and inelastic structure.
As a further improvement of the application, the noodle-increasing strip comprises two pre-changed hemispheres and a shaping ring fixedly connected between the two pre-changed hemispheres, the noodle-increasing strip is internally filled with inner shaping liquid in a saturated manner, a plurality of uniformly distributed flow-changing holes are cut on the shaping ring, and the connection point of the inner limiting rope and the noodle-increasing strip is positioned on the shaping ring.
As a further improvement of the application, the outwardly facing pre-deformed hemisphere is of a hard rubber structure, and the other shaping ring is of an elastic sealing structure.
As a further improvement of the application, the left end and the right end of the face increasing sleeve and the force increasing sleeve are respectively provided with an end face moving sleeve and an end face fixed sleeve, the end face moving sleeve is fixedly connected with the plurality of face increasing sleeves and the force increasing sleeve, the end face fixed sleeve is abutted against the face increasing sleeve and the force increasing sleeve, the end face fixed sleeve is fixed with the tail part of the lens body through threads, and the end face of the end face moving sleeve, which is far away from the force increasing sleeve, exceeds the corresponding end face of the lens body.
As a supplement to the further improvement of the application, the protective strip and the noodle increasing strip both comprise a horizontal section and a diameter-changing section, the horizontal section is of an elastic structure, the diameter-changing section is of a hard structure, and the inclination of the diameter-changing section and the inclination of the diameter-changing part on the surface of the lens body are kept consistent.
As a further improvement supplement of the application, the horizontal section comprises a plurality of shaping sections and a plurality of groups of buffer sections which are respectively and fixedly connected between two adjacent shaping sections, the buffer sections are made of elastic rubber materials, the shaping sections are made of hard materials, and the length of the shaping sections is 3-5 times of the length of the buffer sections.
In summary, in the anti-impact flame-retardant corrosion-resistant optical imaging lens, through the setting of anti-impact double-ring sleeve, can form the impact layer on the lens body surface, and when receiving radial impact, the force is first applied to the force expansion sleeve, the protection strip extrusion of atress department and two increase the noodless rather than corresponding contact, make the force transfer on the protection strip increase the noodless, correspond two increase noodless bottom atress and lens body surface conflict and deformation, make the contact surface obtain showing the increase, compare in prior art, anti-impact double-ring sleeve can play certain cushioning effect, through can effectively enlarge lens body surface atress area, make the pressure that locally received reduce, and then protect the lens body difficult by the damage.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application;
FIG. 2 is an exploded view of a first embodiment of the present application;
FIG. 3 is a perspective view of an impact resistant double loop sleeve according to a first embodiment of the present application;
FIG. 4 is a perspective view of a face-up cover according to a first embodiment of the present application;
FIG. 5 is a side view of an impact resistant double loop sleeve according to a first embodiment of the present application;
FIG. 6 is a front view of a first embodiment of a ball for increasing the surface area of a ball body;
FIG. 7 is an exploded view of a first embodiment of a ball for increasing the surface area of a ball according to the present application;
FIG. 8 is a diagram showing the stress condition of the lens body when the lens body is subjected to an accidental impact according to the first embodiment of the present application;
fig. 9 is a perspective view of a second embodiment of the present application;
FIG. 10 is a schematic view of a horizontal segment of a guard bar according to a second embodiment of the present application.
The reference numerals in the figures illustrate:
1 lens body, 2 face-increasing sleeve, 21 face-increasing sleeve, 22 inner limit rope, 211 pre-changed hemisphere, 212 shaping ring, 201 commutation hole, 3 force-expanding sleeve, 31 protective strip, 32 outer limit rope, 301 shaping section, 302 buffer section, 41 end face moving sleeve and 42 end face fixed sleeve.
Detailed Description
Two embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
fig. 1-2 show an anti-impact flame-retardant corrosion-resistant optical imaging lens, which comprises a lens body 1, wherein an anti-impact double-ring sleeve is sleeved outside the lens body 1, and comprises a force expansion sleeve 3 and a surface increasing sleeve 2 which are sequentially sleeved on the outer surface of the lens body 1 from outside to inside.
Fig. 3-5 show that the noodle increasing sleeve 2 comprises a plurality of noodle increasing strips 21 and a plurality of groups of inner limiting ropes 22 which are respectively and fixedly connected between two adjacent noodle increasing strips 21, the plurality of noodle increasing strips 21 are distributed in a ring-shaped array, the structural arrangement of the noodle increasing sleeve 2 and the noodle increasing sleeve 3 is kept consistent, the noodle increasing sleeve 3 comprises a plurality of protective strips 31 and a plurality of outer limiting ropes 32 which are respectively connected between two adjacent protective strips 31, and the plurality of protective strips 31 and the plurality of noodle increasing strips 21 are distributed in a staggered manner and mutually contradict each other.
The diameter of the reinforcing strip 21 is smaller than that of the protective strip 31, the diameter of the protective strip 31 is 2-3 times of the distance between every two adjacent reinforcing strips 21, under the condition that the number of the reinforcing strips 21 and the number of the protective strips 31 are the same, the distance between the two reinforcing strips 31 is smaller, the reinforcing strips 21 positioned at the inner layer are not easy to be exposed in a large area, when the reinforcing strips 21 are accidentally impacted, the initial stress points are arranged on the stress sleeve 3, the stress sleeve 3 is convenient to disperse the force to two sides, the stress area is enlarged, the impact strength is reduced, the outer limiting ropes 32 are made of elastic materials, the outer limiting ropes can be adaptively deformed along with the stressed protective strips 31 when the reinforcing strips are impacted, a certain buffering effect is achieved, the inner limiting ropes 22 are of flexible and inelastic structures, the distance between the two reinforcing strips 21 at the stress position is not easy to be increased, when the reinforcing strips 31 squeeze the reinforcing strips 21, the hard protective strips 31 are not easy to pass through the two reinforcing strips 21 to be directly contacted with the surface of the lens body 1, and the impact resistance effect is better.
As shown in fig. 6-7, the noodle adding device 21 comprises two pre-changed hemispheres 211 and a shaping ring 212 fixedly connected between the two pre-changed hemispheres 211, the noodle adding device 21 is internally filled with inner shaping liquid in a saturated manner, a plurality of evenly distributed flow exchanging holes 201 are drilled on the shaping ring 212, the connection points of the inner limiting ropes 22 and the noodle adding device 21 are positioned on the shaping ring 212, when accidental impact is received, the protection strips 31 at the stress points squeeze the pre-changed hemispheres 211 of the two noodle adding devices 21, the noodle adding sleeve 2 has a tendency of moving towards the lens body 1 after being stressed, at the moment, the pre-changed hemispheres 211 contacted with the lens body 1 are greatly deformed, so that the contact surface with the lens body 1 is enlarged, the effect of enlarging the stressed surface and reducing the local stress pressure is realized, and compared with the direct protection of a hard structure in the prior art, the protection and impact resistance effects are greatly improved.
The outward pre-changed hemisphere 211 is of a hard rubber structure, and the other shaping ring 212 is of an elastic sealing structure, so that the pre-changed hemisphere 211 which is close to the lens body 1 is easier to deform when being stressed compared with the other pre-changed hemisphere 211, and the contact surface between the lens body and the lens body 1 is larger.
To sum up, as shown in fig. 8, in the above-mentioned anti-impact flame-retardant corrosion-resistant optical imaging lens, through the setting of the anti-impact double-ring sleeve, an impact layer can be formed on the surface of the lens body 1, and when receiving radial impact, the force acts on the force-expanding sleeve 3 first, the protection strip 31 at the force-bearing position extrudes two reinforcing strips 21 correspondingly contacted with the force-bearing strip, the force on the protection strip 31 is transferred to the reinforcing strips 21, the force-bearing force at the bottom of the corresponding two reinforcing strips 21 is in conflict with the surface of the lens body 1 and deforms, the contact surface is obviously increased, compared with the prior art, the anti-impact double-ring sleeve can play a certain buffering effect, and the force-bearing area of the surface of the lens body 1 can be effectively enlarged, so that the locally received pressure is reduced, and the lens body 1 is not easily damaged.
Second embodiment:
the present embodiment is similar to the first embodiment except that the following structure is added to the first embodiment.
Fig. 9 shows that the left and right ends of the face increasing sleeve 2 and the force increasing sleeve 3 are respectively provided with an end face moving sleeve 41 and an end face fixing sleeve 42, the end face moving sleeve 41 is fixedly connected with the plurality of face increasing sleeves 2 and the force increasing sleeve 3, the end face fixing sleeve 42 is in conflict with the face increasing sleeve 2 and the force increasing sleeve 3, the end face fixing sleeve 42 is in threaded fixation with the tail part of the lens body 1, the end face of the end face moving sleeve 41 far away from the force increasing sleeve 3 exceeds the corresponding end face of the lens body 1, when being impacted, the movable end face moving sleeve 41 can move towards the end face fixing sleeve 42 along with the impact force, the end face fixing sleeve 42 can perform certain conflict, when the end part is impacted, the protecting strip 31 and the face increasing sleeve 21 can be compressed along the surface of the lens body 1 to play a role of buffering, and the double-ring sleeve can play a good role of protecting and anti-impact on the lens body 1 in the transverse direction and the radial direction.
As shown in fig. 10, the protection strip 31 and the noodle increasing strip 21 each comprise a horizontal section and a diameter-variable section, the horizontal section is of an elastic structure, the diameter-variable section is of a hard structure, the inclination of the diameter-variable section and the surface diameter-variable part of the lens body 1 are kept consistent, the horizontal section comprises a plurality of shaping sections 301 and a plurality of groups of buffer sections 302 which are respectively and fixedly connected between two adjacent shaping sections 301, the buffer sections 302 are made of elastic rubber materials, the shaping sections 301 are made of hard materials, the whole horizontal section can be deformed to a certain extent in the transverse direction, when the end part of the lens body 1 is impacted, the protruding end face movable sleeve 41 moves and presses the force-increasing sleeve 3 and the noodle increasing sleeve 2, so that the horizontal sections on the plurality of noodle increasing strips 21 and the protection strip 31 are shortened to a certain extent, a certain buffer effect is achieved, the protection end part is not easy to be damaged by direct stress, the length of the shaping sections 301 is 3-5 times the length of the buffer sections 302, namely the hard part is longer, the whole horizontal section is hard is mainly made, and when the whole horizontal section is impacted in the radial direction, the whole is not easy to be affected, the stress is spread to the inside the noodle increasing strip 21, and the effective stress area is expanded when the radial impact is effectively.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.

Claims (8)

1. An impact-resistant flame-retardant corrosion-resistant optical imaging lens is characterized in that: including lens body (1), lens body (1) overcoat is equipped with the dicyclo cover that shocks resistance, the dicyclo cover that shocks resistance includes from outside inwards overlaps in proper order and establishes expansion cover (3) and increase face cover (2) at lens body (1) surface, increase face cover (2) including a plurality of increase noodless (21) and multiunit respectively fixed connection in interior spacing rope (22) between two adjacent increase noodless (21), a plurality of increase noodless (21) are annular array and distribute, the structure setting of expansion cover (3) and increase face cover (2) keeps unanimous, expansion cover (3) include a plurality of protection bars (31) and a plurality of outer spacing rope (32) of connecting respectively between two adjacent protection bars (31), a plurality of protection bars (31) and a plurality of increase noodless (21) dislocation distribution each other, and the two are contradicted each other.
2. The impact resistant, flame retardant and corrosion resistant optical imaging lens as defined in claim 1, wherein: the diameter of the noodle increasing strip (21) is smaller than that of the protective strip (31), and the diameter of the protective strip (31) is 2-3 times of the distance between two adjacent noodle increasing strips (21).
3. The impact resistant, flame retardant and corrosion resistant optical imaging lens as defined in claim 1, wherein: the outer limit rope (32) is made of elastic materials, and the inner limit rope (22) is of a flexible inelastic structure.
4. The impact resistant, flame retardant and corrosion resistant optical imaging lens as defined in claim 1, wherein: the noodle increasing device is characterized in that the noodle increasing strip (21) comprises two pre-changed hemispheres (211) and a shaping ring (212) fixedly connected between the two pre-changed hemispheres (211), the noodle increasing strip (21) is internally filled with inner shaping liquid in a saturated mode, a plurality of evenly distributed flow exchanging holes (201) are formed in the shaping ring (212), and the connecting points of the inner limiting ropes (22) and the noodle increasing strip (21) are located on the shaping ring (212).
5. The impact resistant, flame retardant, corrosion resistant optical imaging lens of claim 4, wherein: the outward facing pre-changed hemispheres (211) are of a hard rubber structure, and the other shaping ring (212) is of an elastic sealing structure.
6. The impact resistant, flame retardant and corrosion resistant optical imaging lens as defined in claim 1, wherein: the face-increasing sleeve (2) and the force-increasing sleeve (3) are respectively provided with an end face moving sleeve (41) and an end face fixing sleeve (42), the end face moving sleeve (41) is fixedly connected with the plurality of face-increasing sleeves (2) and the force-increasing sleeve (3), the end face fixing sleeve (42) is abutted against the face-increasing sleeves (2) and the force-increasing sleeve (3), the end face fixing sleeve (42) is in threaded fixation with the tail of the lens body (1), and the end face of the end face moving sleeve (41) far away from the force-increasing sleeve (3) exceeds the corresponding end face of the lens body (1).
7. The impact resistant, flame retardant, corrosion resistant optical imaging lens of claim 6, wherein: the protection strip (31) and the noodle increasing strip (21) comprise a horizontal section and a reducing section, the horizontal section is of an elastic structure, the reducing section is of a hard structure, and the inclination of the reducing section is kept consistent with that of the surface reducing part of the lens body (1).
8. The impact resistant, flame retardant, corrosion resistant optical imaging lens of claim 7, wherein: the horizontal section comprises a plurality of shaping sections (301) and a plurality of groups of buffer sections (302) which are respectively and fixedly connected between two adjacent shaping sections (301), wherein the buffer sections (302) are made of elastic rubber materials, the shaping sections (301) are made of hard materials, and the length of the shaping sections (301) is 3-5 times that of the buffer sections (302).
CN202311455113.6A 2023-11-03 2023-11-03 Impact-resistant flame-retardant corrosion-resistant optical imaging lens Active CN117170058B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311455113.6A CN117170058B (en) 2023-11-03 2023-11-03 Impact-resistant flame-retardant corrosion-resistant optical imaging lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311455113.6A CN117170058B (en) 2023-11-03 2023-11-03 Impact-resistant flame-retardant corrosion-resistant optical imaging lens

Publications (2)

Publication Number Publication Date
CN117170058A true CN117170058A (en) 2023-12-05
CN117170058B CN117170058B (en) 2024-01-30

Family

ID=88932193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311455113.6A Active CN117170058B (en) 2023-11-03 2023-11-03 Impact-resistant flame-retardant corrosion-resistant optical imaging lens

Country Status (1)

Country Link
CN (1) CN117170058B (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206539935U (en) * 2017-03-08 2017-10-03 慈溪市长路电子有限公司 A kind of electricity-saving lamp
CN210376981U (en) * 2019-09-30 2020-04-21 福建浩蓝光电有限公司 Optical lens protective cover
CN112346188A (en) * 2020-12-07 2021-02-09 朱昱雯 Fixed point hardening type anti-bending optical cable sheath
CN215580714U (en) * 2021-09-07 2022-01-18 段泽演 Automatic protection device of electrical engineering
CN217444891U (en) * 2022-01-14 2022-09-16 杭州松都智开电气有限公司 Anti-collision damping device of low-voltage power distribution cabinet
CN217689576U (en) * 2022-07-26 2022-10-28 合肥福茂光电科技有限公司 Precision optical lens with good protection performance
CN218003818U (en) * 2022-09-26 2022-12-09 苏州文迪光电科技有限公司 Novel optical instrument lens
CN218122328U (en) * 2022-07-19 2022-12-23 漳州三眼通光电科技有限公司 Optical lens with adjusting function
CN115614412A (en) * 2022-09-27 2023-01-17 中山大学 Repeatedly usable's power-magnetic coupling buffer structure that shocks resistance
CN218446142U (en) * 2022-09-27 2023-02-03 深圳合思光电技术有限公司 Optical lens with protective structure
CN219036444U (en) * 2023-02-28 2023-05-16 杭州光灿照明工程有限公司 Lighting device with protection mechanism
CN219447870U (en) * 2023-04-10 2023-08-01 杭州瑞甲新材料科技有限公司 Deformation-resistant wear-resistant special-shaped edge banding
CN219715819U (en) * 2023-05-04 2023-09-19 光皓光学(江苏)有限公司 Shock resistance device of vehicle-mounted infrared thermal imaging lens
CN219799878U (en) * 2023-05-10 2023-10-03 丹阳康迪光学仪器有限公司 Extrusion-resistant optical lens

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206539935U (en) * 2017-03-08 2017-10-03 慈溪市长路电子有限公司 A kind of electricity-saving lamp
CN210376981U (en) * 2019-09-30 2020-04-21 福建浩蓝光电有限公司 Optical lens protective cover
CN112346188A (en) * 2020-12-07 2021-02-09 朱昱雯 Fixed point hardening type anti-bending optical cable sheath
CN215580714U (en) * 2021-09-07 2022-01-18 段泽演 Automatic protection device of electrical engineering
CN217444891U (en) * 2022-01-14 2022-09-16 杭州松都智开电气有限公司 Anti-collision damping device of low-voltage power distribution cabinet
CN218122328U (en) * 2022-07-19 2022-12-23 漳州三眼通光电科技有限公司 Optical lens with adjusting function
CN217689576U (en) * 2022-07-26 2022-10-28 合肥福茂光电科技有限公司 Precision optical lens with good protection performance
CN218003818U (en) * 2022-09-26 2022-12-09 苏州文迪光电科技有限公司 Novel optical instrument lens
CN115614412A (en) * 2022-09-27 2023-01-17 中山大学 Repeatedly usable's power-magnetic coupling buffer structure that shocks resistance
CN218446142U (en) * 2022-09-27 2023-02-03 深圳合思光电技术有限公司 Optical lens with protective structure
CN219036444U (en) * 2023-02-28 2023-05-16 杭州光灿照明工程有限公司 Lighting device with protection mechanism
CN219447870U (en) * 2023-04-10 2023-08-01 杭州瑞甲新材料科技有限公司 Deformation-resistant wear-resistant special-shaped edge banding
CN219715819U (en) * 2023-05-04 2023-09-19 光皓光学(江苏)有限公司 Shock resistance device of vehicle-mounted infrared thermal imaging lens
CN219799878U (en) * 2023-05-10 2023-10-03 丹阳康迪光学仪器有限公司 Extrusion-resistant optical lens

Also Published As

Publication number Publication date
CN117170058B (en) 2024-01-30

Similar Documents

Publication Publication Date Title
US6964066B2 (en) Stretchable, size-adaptable fabric helmet insert with shock-absorbing structure
CN117170058B (en) Impact-resistant flame-retardant corrosion-resistant optical imaging lens
JPS6392844A (en) Air spring
CN108648629B (en) Rotating shaft mechanism for flexible display screen
US10966480B1 (en) Safety helmet with ball-type anti-lateral impact protection
KR20190131700A (en) Fender
KR20160112208A (en) Flexible support
KR20210073647A (en) Shock absorption pad and body protection equipment including these pad system
CN108221871B (en) Rotary drum type interception rope flexible anti-collision device with damping device
US2762051A (en) Adjustably contoured frame structure for eye shields and the like
CN211039500U (en) Double-layer anti-collision strip
CN211398901U (en) Pipeline connecting device
CN114941343A (en) Multi-surface buffering type offshore wind power single-pile foundation anti-collision device
CN218720591U (en) Gas cylinder protection component
JPH0448887B2 (en)
US20170003472A1 (en) Optical imaging lens with a fixing structure
US20210116058A1 (en) Metal braided hose
CN212156259U (en) Cold-drawn seamless steel tube
KR100426243B1 (en) The impact resistance structure of loose tube optical ground wire
CN114150624B (en) Impact protection system for overhead box culvert in river
CN213061680U (en) Bridge and damping limiting device thereof
JP2018053551A (en) Protective member for fender and pneumatic fender
CN216566736U (en) Anti-pressing and anti-impact PTFE (Polytetrafluoroethylene) pipe
US3883127A (en) Buffer having a buffer body of foamed synthetic material
CN217558431U (en) Engine cylinder sleeve resistant to impact

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant