CN113102317A - Optical lens dust removal device and dust removal method - Google Patents

Optical lens dust removal device and dust removal method Download PDF

Info

Publication number
CN113102317A
CN113102317A CN202110540001.5A CN202110540001A CN113102317A CN 113102317 A CN113102317 A CN 113102317A CN 202110540001 A CN202110540001 A CN 202110540001A CN 113102317 A CN113102317 A CN 113102317A
Authority
CN
China
Prior art keywords
dust
optical lens
cleaning
lens
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110540001.5A
Other languages
Chinese (zh)
Inventor
林肖怡
杨剑锋
张龙
陈健鹏
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.)
Guangdong Xuye Optoelectronics Technology Co Ltd
Original Assignee
Guangdong Xuye Optoelectronics 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 Guangdong Xuye Optoelectronics Technology Co Ltd filed Critical Guangdong Xuye Optoelectronics Technology Co Ltd
Priority to CN202110540001.5A priority Critical patent/CN113102317A/en
Publication of CN113102317A publication Critical patent/CN113102317A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B1/143
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action

Abstract

The invention discloses a dust removal device and a dust removal method for an optical lens, and the dust removal device comprises a handle and a top cover arranged on the handle, wherein a dust storage structure for storing dust is arranged inside the top cover; the dust removing part comprises a cleaning structure fixed on the top cover and a fixing table used for fixing the cleaning structure, and a reverse fan used for absorbing dust is arranged in the fixing table; the pluggable dust storage structure is arranged on the top cover, so that the device can clean the optical lens and can clean the optical lens conveniently, and meanwhile, the device has the functions of cleaning floating and adhesive stains simultaneously through the arranged cleaning structure, and has the effect of efficiently finishing stronger cleaning force.

Description

Optical lens dust removal device and dust removal method
Technical Field
The invention relates to the field of dust removal devices, in particular to an optical lens dust removal device and a dust removal method.
Background
With the development of society and the continuous progress of human beings, various technologies have also made great improvement, wherein optical lens is the indispensable part in the machine vision system, directly influences the quality of imaging quality, influences realization and the effect of algorithm.
Optical lens is in daily use, need keep optical lens's definition degree to its maintenance work with those regular, and the definition degree when optical lens used is just kept to the dust that falls into on lens surface etc. this moment needs the clearance, and the clear dynamics of manual cleaning is difficult to master, and manual cleaning has a large amount of dead angles simultaneously and is difficult to clean thoroughly, so the dust collector's that the camera lens dust removal in-process used application is indispensable.
When dust collector used, utilize the dust absorption principle to clear up optical lens's surface, the inside dust of suction device can be followed the output and directly discharged to the outside in clearance process, this just leads to long-time dust collector that uses, the passageway that the dust discharged has a large amount of dusts to adhere to, will dismantle the integrated device to the clearance of self, the operation is comparatively loaded down with trivial details, meanwhile, after the dust absorption leads to the adnexed dust of negative pressure clearance lens surface, lens surface adhesion nature spot can not be siphoned off under the state of negative pressure, still need the manual work to carry out the secondary cleaning effect, give people and bring very big puzzlement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an optical lens dust removal device and a dust removal method, which can effectively solve the problems of self cleaning and enhanced cleaning effect in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a dust removal device for an optical lens comprises a handle and a top cover arranged on the handle, wherein a dust storage structure for storing dust is arranged inside the top cover, a dust removal part is arranged at one end of the top cover, and the dust removal part is communicated with the dust storage structure through a guide pipe;
the dust removal portion is including fixing clean structure on the top cap and being used for fixing the fixed station of clean structure, the inside of fixed station is provided with the reverse fan that is used for the dust absorption.
As a preferable technical scheme of the invention, the dust storage structure comprises a positioning cylinder arranged inside the top cover, the inner side wall of the positioning cylinder is provided with a rubber strip, a dust collecting cylinder for up-and-down insertion and extraction is movably arranged at a concentric position inside the positioning cylinder, and the outer side wall of the dust collecting cylinder is provided with a positioning groove for clamping the rubber strip.
As a preferable technical solution of the present invention, the dust collecting cylinder is placed inside the positioning cylinder, and the dust collecting cylinder is rotated and pressed down to make the rubber strip on the inner side wall of the positioning cylinder embedded in the positioning groove on the outer side wall of the dust collecting cylinder, so as to complete the fixation between the positioning cylinder and the dust collecting cylinder.
As a preferable technical scheme of the invention, the top end of the dust collecting cylinder is clamped with a sealing sheet; and the top end of the sealing sheet extends to the outside of the top cover.
As a preferable technical scheme of the invention, the opposite positions of one side of the positioning cylinder and one side of the dust collecting cylinder are provided with conveying ports for conveying dust; wherein the content of the first and second substances,
one end of the guide pipe, which is far away from the dust removing part, penetrates through the conveying opening and extends into the positioning cylinder.
As a preferable technical solution of the present invention, the cleaning structure includes a connection hoop installed at one side of the fixing table, a support ring is installed at one side of the connection hoop, a ventilation plate for guiding dust is installed at a central position of the support ring, and tapered holes are uniformly formed in a surface of the ventilation plate.
As a preferable technical scheme of the present invention, an installation convex ring is fixed inside the support ring, a rubber bag for filling the cleaning solution is arranged inside the installation convex ring, and micro holes for seeping out the cleaning solution are uniformly arranged on the surface of the rubber bag; wherein the content of the first and second substances,
the inside of support ring is provided with and is used for contacting with the camera lens and absorbs the clean cotton of cleaning solution, clean cotton parcel is in the outside of rubber bag, clean cotton is kept away from one side of rubber bag is passed the hole that the support ring surface was seted up and is extended to the outside of support ring.
As a preferable technical solution of the present invention, a soft water inlet is disposed on a surface of the rubber bladder, and an input end of the soft water inlet extends to an outside of the support ring.
In addition, the invention also provides a dust removal method for the optical lens, which comprises the following steps:
step 100, aligning a ventilation plate to the surface of the lens, starting a reverse fan to form negative pressure on the surface of the lens, and pumping the floating and sinking of the surface of the lens to the position of a positioning cylinder from a guide pipe;
200, collecting the dust at the position of the positioning cylinder in the dust collecting cylinder through a conveying port, stacking a certain amount of dust, rotating and pressing down the dust collecting cylinder to separate the positioning cylinder from the dust collecting cylinder, and reversely buckling the dust collecting cylinder to finish dust removal;
and 300, the cleaning cotton is contacted with the lens and mutually extruded, and the cleaning liquid in the rubber bag is absorbed by the cleaning cotton from the deep part of the micro hole to clean the sticky stains on the surface of the lens.
Compared with the prior art, the invention has the beneficial effects that:
the pluggable dust storage structure is arranged on the top cover, so that the device can clean the optical lens and can clean the optical lens conveniently, and meanwhile, the device has the functions of cleaning floating and adhesive stains simultaneously through the arranged cleaning structure, and has the effect of efficiently finishing stronger cleaning force.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
FIG. 3 is a schematic perspective view of a dust storage structure according to the present invention;
FIG. 4 is a schematic front sectional view of a cleaning structure according to the present invention;
FIG. 5 is a schematic flow chart of the dust removal method of the present invention.
Reference numbers in the figures:
1. a grip; 2. a top cover; 3. a dust storage structure; 4. a dust removal part; 5. cleaning the structure; 6. a reverse fan; 7. a fixed table; 8. a flow guide pipe; 9. a ventilation board;
31. a positioning cylinder; 32. a delivery port; 33. a rubber strip; 34. a dust collecting cylinder; 35. positioning a groove; 36. sealing the sheet;
51. a support ring; 52. cleaning cotton; 53. a connecting hoop; 54. installing a convex ring; 55. a rubber bladder; 56. a soft water inlet.
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.
As shown in fig. 1 to 4, the present invention provides a dust removing device for an optical lens, which comprises a handle 1 and a top cover 2 mounted on the handle 1, wherein a dust storage structure 3 for storing dust is arranged inside the top cover 2, a dust removing part 4 is arranged at one end of the top cover 2, and the dust removing part 4 is communicated with the dust storage structure 3 through a flow guide pipe 8; the dust removing part 4 comprises a cleaning structure 5 fixed on the top cover 2 and a fixing table 7 used for fixing the cleaning structure 5, and a reverse fan 6 used for dust collection is arranged inside the fixing table 7.
Concretely, with this device and external power supply and control system interconnect, drive reverse fan 6 work, aim at optical lens with this device, slight adnexed miscellaneous dirt can flow to honeycomb duct 8 under the effect of atmospheric pressure, enter into storage dirt structure 3 inside at last, make storage dirt structure 3 break away from the outside of top cap 2 with the mode of plug again, make this device be convenient for to self clearance when clean optical lens, rethread clean structure 5 carries out the contact cleanness to optical lens, make this device have the function of clean superficial sinking and adhesion spot simultaneously, the effect of stronger cleaning power is accomplished to the high efficiency.
As shown in fig. 1 to 4, the dust storage structure 3 includes a positioning tube 31 installed inside the top cover 2, a rubber strip 33 is disposed on the inner side wall of the positioning tube 31, a dust collecting tube 34 for vertical insertion and removal is movably disposed at a concentric position inside the positioning tube 31, and a positioning groove 35 for clamping the rubber strip 33 is disposed on the outer side wall of the dust collecting tube 34; wherein, the dust collecting cylinder 34 is arranged in the positioning cylinder 31, the dust collecting cylinder 34 is rotated and pressed downwards, the rubber strip 33 on the inner side wall of the positioning cylinder 31 is embedded in the positioning groove 35 on the outer side wall of the dust collecting cylinder 34, and the fixing between the positioning cylinder 31 and the dust collecting cylinder 34 is completed; the top end of the dust collecting cylinder 34 is clamped with a sealing sheet 36; and, the top end of the sealing piece 36 extends to the outside of the top cover 2; a conveying opening 32 for conveying dust is arranged at the opposite position of one side of the positioning cylinder 31 and one side of the dust collecting cylinder 34; wherein, one end of the draft tube 8 far away from the dust removing part 4 passes through the conveying opening 32 and extends to the inside of the positioning cylinder 31.
Specifically, after honeycomb duct 8 leads into dust collection tube 34 through transfer port 32 with the dust, the inside continuous piling up of dust in the use of dust collection tube 34, when the clean state stops, it makes constant head tank 35 and rubber strip 33 separation to rotate and carry a carry dust collection tube 34, accomplish dust collection tube 34 and separate from the inside of location tube 31, rethread makes gasket 36 open dust collection tube 34 top, back-off dust collection tube 34 pour the dust can, the realization is to the same storage of dust and quick clearance function, has stronger practicality.
As shown in fig. 1 and 2, the cleaning structure 5 includes a connecting hoop 53 installed at one side of the fixing table 7, a support ring 51 is installed at one side of the connecting hoop 53, a ventilation plate 9 for guiding dust is installed at the center position of the support ring 51, and tapered holes are uniformly opened on the surface of the ventilation plate 9; a mounting convex ring 54 is fixed inside the supporting ring 51, a rubber bag 55 for filling cleaning liquid is arranged inside the mounting convex ring 54, and micro holes for seeping out the cleaning liquid are uniformly arranged on the surface of the rubber bag 55; wherein, the inside of the supporting ring 51 is provided with a cleaning cotton 52 which is used for contacting with the lens and absorbing the cleaning liquid, the cleaning cotton 52 is wrapped on the outer side of the rubber bag 55, and one side of the cleaning cotton 52 far away from the rubber bag 55 passes through the hole opened on the surface of the supporting ring 51 and extends to the outside of the supporting ring 51; the surface of the rubber bladder 55 is provided with a soft water inlet 56, and the input end of the soft water inlet 56 extends to the outside of the support ring 51.
Specifically, the user holds the grip 1, so that the cleaning cotton 52 on one side of the support ring 51 is in contact with the surface of the optical lens, and simultaneously presses and makes the cleaning cotton in a circling manner to be in contact with the optical lens, the stressed rubber bag 55 is deformed by pressing the cleaning cotton 52, cleaning water seeps out from micro holes on the surface of the stressed rubber bag and is absorbed by the cleaning cotton 52, the cleaning force of the cleaning cotton 52 is enhanced by matching with the circling action, the adhered stain on the surface of the optical lens is removed, and the device has the functions of simultaneously cleaning sinking and adhering stains, and has the effect of efficiently finishing stronger cleaning force.
As shown in fig. 5, the present invention further provides a dust removing method for an optical lens, comprising the following steps:
step 100, aligning a ventilation plate to the surface of the lens, starting a reverse fan to form negative pressure on the surface of the lens, and pumping the floating and sinking of the surface of the lens to the position of a positioning cylinder from a guide pipe;
200, collecting the dust at the position of the positioning cylinder in the dust collecting cylinder through a conveying port, stacking a certain amount of dust, rotating and pressing down the dust collecting cylinder to separate the positioning cylinder from the dust collecting cylinder, and reversely buckling the dust collecting cylinder to finish dust removal;
and 300, the cleaning cotton is contacted with the lens and mutually extruded, and the cleaning liquid in the rubber bag is absorbed by the cleaning cotton from the deep part of the micro hole to clean the sticky stains on the surface of the lens.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. A dust removal device for an optical lens comprises a handle (1) and a top cover (2) arranged on the handle (1), wherein a dust storage structure (3) for storing dust is arranged inside the top cover (2), a dust removal part (4) is arranged at one end of the top cover (2), and the dust removal part (4) is communicated with the dust storage structure (3) through a guide pipe (8);
the dust removal part (4) comprises a cleaning structure (5) fixed on the top cover (2) and a fixing table (7) used for fixing the cleaning structure (5), and a reverse fan (6) used for dust collection is arranged inside the fixing table (7).
2. An optical lens dust removing device according to claim 1, characterized in that: the dust storage structure (3) comprises a positioning barrel (31) arranged inside the top cover (2), a rubber strip (33) is arranged on the inner side wall of the positioning barrel (31), a dust collecting barrel (34) used for being plugged up and down is movably arranged at the concentric position inside the positioning barrel (31), and a positioning groove (35) used for clamping the rubber strip (33) is formed in the outer side wall of the dust collecting barrel (34).
3. A dust removing device for an optical lens according to claim 2, wherein: the dust collecting cylinder (34) is arranged in the positioning cylinder (31), the dust collecting cylinder (34) is rotated and pressed downwards, so that the rubber strip (33) on the inner side wall of the positioning cylinder (31) is embedded into the positioning groove (35) on the outer side wall of the dust collecting cylinder (34), and the positioning cylinder (31) and the dust collecting cylinder (34) are fixed.
4. A dust removing device for an optical lens according to claim 3, wherein: the top end of the dust collecting cylinder (34) is clamped with a sealing sheet (36); and the top end of the sealing sheet (36) extends to the outside of the top cover (2).
5. An optical lens dust removing device according to claim 4, characterized in that: a conveying opening (32) for conveying dust is arranged at the opposite position of one side of the positioning cylinder (31) and one side of the dust collecting cylinder (34); wherein the content of the first and second substances,
one end of the draft tube (8) far away from the dust removing part (4) penetrates through the conveying opening (32) and extends to the inside of the positioning cylinder (31).
6. An optical lens dust removing device according to claim 5, characterized in that: clean structure (5) are including installing connect hoop (53) of fixed station (7) one side, support ring (51) are installed to one side of connecting hoop (53), the central point department of putting of support ring (51) installs ventilating board (9) that are used for leading-in dust, the bell mouth has evenly been seted up on the surface of ventilating board (9).
7. An optical lens dust removing device according to claim 6, characterized in that: a mounting convex ring (54) is fixed inside the supporting ring (51), a rubber bag (55) for filling cleaning liquid is arranged inside the mounting convex ring (54), and micro holes for seeping out the cleaning liquid are uniformly formed in the surface of the rubber bag (55); wherein the content of the first and second substances,
the cleaning cotton (52) used for being in contact with the lens and absorbing cleaning liquid is arranged inside the supporting ring (51), the cleaning cotton (52) is wrapped on the outer side of the rubber bag (55), and one side, far away from the rubber bag (55), of the cleaning cotton (52) penetrates through a hole formed in the surface of the supporting ring (51) and extends to the outside of the supporting ring (51).
8. An optical lens dust removing device according to claim 7, characterized in that: the surface of the rubber bag (55) is provided with a soft water inlet (56), and the input end of the soft water inlet (56) extends to the outside of the support ring (51).
9. A dust removing method based on the lens dust removing device of any one of claims 1 to 8, comprising the steps of:
step 100, aligning a ventilation plate to the surface of the lens, starting a reverse fan to form negative pressure on the surface of the lens, and pumping the floating and sinking of the surface of the lens to the position of a positioning cylinder from a guide pipe;
200, collecting the dust at the position of the positioning cylinder in the dust collecting cylinder through a conveying port, stacking a certain amount of dust, rotating and pressing down the dust collecting cylinder to separate the positioning cylinder from the dust collecting cylinder, and reversely buckling the dust collecting cylinder to finish dust removal;
and 300, the cleaning cotton is contacted with the lens and mutually extruded, and the cleaning liquid in the rubber bag is absorbed by the cleaning cotton from the deep part of the micro hole to clean the sticky stains on the surface of the lens.
CN202110540001.5A 2021-05-18 2021-05-18 Optical lens dust removal device and dust removal method Pending CN113102317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110540001.5A CN113102317A (en) 2021-05-18 2021-05-18 Optical lens dust removal device and dust removal method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110540001.5A CN113102317A (en) 2021-05-18 2021-05-18 Optical lens dust removal device and dust removal method

Publications (1)

Publication Number Publication Date
CN113102317A true CN113102317A (en) 2021-07-13

Family

ID=76723101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110540001.5A Pending CN113102317A (en) 2021-05-18 2021-05-18 Optical lens dust removal device and dust removal method

Country Status (1)

Country Link
CN (1) CN113102317A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113954268A (en) * 2021-10-28 2022-01-21 益路恒丰衡水沥青科技有限公司 Medium piece cleaning system of rubber powder microwave desulfurization equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007295355A (en) * 2006-04-26 2007-11-08 Pentax Corp Cleaning tool of imaging device element in digital camera
CN206643030U (en) * 2017-03-10 2017-11-17 井娟 A kind of historical relic dust arrester
CN206701852U (en) * 2017-05-12 2017-12-05 沈阳工学院 A kind of wiped clean device for apparatus camera lens of photographing
GB201815795D0 (en) * 2016-02-29 2018-11-14 Lg Electronics Inc Vacuum cleaner
CN208407803U (en) * 2018-04-02 2019-01-22 嘉兴云图信息科技有限公司 A kind of lens cleaning device of image capture devices
CN209348308U (en) * 2018-12-27 2019-09-06 匡成宝 One kind being convenient to clean computer cabinet cleaner
CN216137712U (en) * 2021-05-18 2022-03-29 广东旭业光电科技股份有限公司 Optical lens dust collector

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007295355A (en) * 2006-04-26 2007-11-08 Pentax Corp Cleaning tool of imaging device element in digital camera
GB201815795D0 (en) * 2016-02-29 2018-11-14 Lg Electronics Inc Vacuum cleaner
CN206643030U (en) * 2017-03-10 2017-11-17 井娟 A kind of historical relic dust arrester
CN206701852U (en) * 2017-05-12 2017-12-05 沈阳工学院 A kind of wiped clean device for apparatus camera lens of photographing
CN208407803U (en) * 2018-04-02 2019-01-22 嘉兴云图信息科技有限公司 A kind of lens cleaning device of image capture devices
CN209348308U (en) * 2018-12-27 2019-09-06 匡成宝 One kind being convenient to clean computer cabinet cleaner
CN216137712U (en) * 2021-05-18 2022-03-29 广东旭业光电科技股份有限公司 Optical lens dust collector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113954268A (en) * 2021-10-28 2022-01-21 益路恒丰衡水沥青科技有限公司 Medium piece cleaning system of rubber powder microwave desulfurization equipment
CN113954268B (en) * 2021-10-28 2023-09-12 益路恒丰衡水沥青科技有限公司 Medium sheet cleaning system of rubber powder microwave desulfurization equipment

Similar Documents

Publication Publication Date Title
CN216137712U (en) Optical lens dust collector
CN113102317A (en) Optical lens dust removal device and dust removal method
CN103720432A (en) Portable liquid suction device and liquid storage tank assembly thereof
CN211467477U (en) Cell-phone screen sticking film machine is taken out vacuum to gasbag
CN215514325U (en) Dyestripping equipment with function is retrieved to waste film
CN212082969U (en) Powder sampling equipment in concrete production
CN211086033U (en) MBR membrane leak detection device
CN207982981U (en) A kind of automatic edging machine
CN214261408U (en) Copolymer hydrophilic modification ultrafiltration membrane cleaning equipment
CN210696384U (en) Environment-friendly blackboard eraser box
CN211334090U (en) Positioning device for lens processing
CN211668879U (en) Air bag sampler
CN212863760U (en) Dustless vacuum chuck is used to sheet metal
CN203676986U (en) Liquid swabbing device
CN203873684U (en) Portable liquid pumping device and liquid storage tank assembly thereof
CN207977602U (en) A kind of oiling station of terminal crimping connector
JP4254040B2 (en) Adsorption holding method for plate-like objects
CN205926202U (en) Pipeline daub ware
CN110840328B (en) Dust collector capable of cleaning glass
CN217134323U (en) Localized wet etching fence assembly
CN210500320U (en) Film suction tool for assembling backlight plate
CN220829678U (en) Information consultation equipment
CN213728444U (en) Dust-absorbing and water-absorbing cleaning device
CN218231859U (en) Environment-friendly airtight oil gas recovery detector
CN216854651U (en) Digestion scope alcohol perfusion filth collection device

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