CN113007558A - Novel security protection for face identification device - Google Patents

Novel security protection for face identification device Download PDF

Info

Publication number
CN113007558A
CN113007558A CN201911332392.0A CN201911332392A CN113007558A CN 113007558 A CN113007558 A CN 113007558A CN 201911332392 A CN201911332392 A CN 201911332392A CN 113007558 A CN113007558 A CN 113007558A
Authority
CN
China
Prior art keywords
groove
rod
support column
fixed
face recognition
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.)
Withdrawn
Application number
CN201911332392.0A
Other languages
Chinese (zh)
Inventor
李晖
宋宏涛
李华
郭明
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.)
WESTERASOFT CO Ltd
Original Assignee
WESTERASOFT 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 WESTERASOFT CO Ltd filed Critical WESTERASOFT CO Ltd
Priority to CN201911332392.0A priority Critical patent/CN113007558A/en
Publication of CN113007558A publication Critical patent/CN113007558A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28Undercarriages for supports with one single telescoping pillar
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Studio Devices (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

The invention belongs to the technical field of face recognition, and particularly relates to a novel face recognition security device which comprises a base, a movable shaft and a camera, wherein a sliding groove is formed in the inner side of the base, a sliding plate is arranged in the sliding groove, a groove is formed in the right side of the sliding plate, a clamping rod is arranged in the groove, a support column is arranged on the right side of the clamping rod, a hollowed sleeve is arranged on the outer side of the support column, a lifting groove is formed in the outer wall of the hollowed sleeve, the movable shaft is arranged at the top of the support column, a fixed sleeve disc is arranged at the top of the movable shaft, a spring is arranged in the fixed sleeve disc, a fixed rod is arranged on the right side of the spring, a connecting column is arranged on the right side of the fixed rod, and a. This face identification security protection device information matching error rate is extremely low, and the operation availability factor is swift high-efficient, and the angle and the high position control of device are convenient, and the information range of receiving and recording is wide, and it is convenient to dismantle the maintenance and change the part to the device.

Description

Novel security protection for face identification device
Technical Field
The invention relates to the technical field of face recognition, in particular to a novel security device for face recognition.
Background
Along with the development of scientific technology, the development and the application of the face recognition technology are more and more extensive, great convenience is brought to the life of people, the face recognition technology is very efficient to apply in the aspect of security inspection, the reliability of the security inspection is greatly improved, and the safety protection degree of each important public place can be improved.
The ordinary security protection device on the market now exists to the personnel identity of process check and the matching process is complicated, and appear checking the matching mistake easily, the shortcoming that sets up for the integration between camera device and the total frame body, it is higher to lead to the information matching error rate, the operation availability factor is low, the angle and the height position of device adjust inconveniently, can't dismantle the problem of maintenance and change part to the device, it is extremely low to have the information matching error rate, the swift high efficiency of operation availability factor, the angle and the height position of device adjust conveniently, it is wide to include the information range, the convenient novel security protection device of maintenance and change part is dismantled to the device.
In order to solve the problems, innovative design is urgently needed on the basis of the original security device.
Disclosure of Invention
The invention aims to provide a novel security device for face recognition, and aims to solve the problems that the similar products proposed in the background technology have complex checking and matching processes for the identity of the passing personnel, checking and matching errors are easy to occur, and the camera device and the main frame body are integrally arranged, so that the information matching error rate is high, the operation and use efficiency is low, the angle and height position of the device are not convenient to adjust, and the device cannot be disassembled, maintained and replaced.
In order to achieve the purpose, the invention provides the following technical scheme: a novel safety protection device for face recognition comprises a base, a movable shaft and a camera, wherein a sliding groove is formed in the inner side of the base, a sliding plate is arranged in the sliding groove, a groove is formed in the right side of the sliding plate, a clamping rod is arranged in the groove, a support column is arranged on the right side of the clamping rod, a hollowed-out sleeve is arranged on the outer side of the support column, a lifting groove is formed in the outer wall of the hollowed-out sleeve, the movable shaft is arranged at the top of the support column, a fixed sleeve disc is arranged at the top of the movable shaft, a spring is arranged on the inner side of the fixed sleeve disc, a fixed rod is arranged on the right side of the spring, a linking column is arranged on the right side of the fixed rod, a frame body is arranged at the top of the linking column, a bearing is arranged on the inner side of the frame body, an adjusting, and the outside of screw rod is provided with the linkage plate, the camera is installed in the middle part of framework, and the right side of camera installs and rotates the handle, the inboard of rotating the handle has run through the gag lever post, and the round slot has been seted up to the bottom of gag lever post.
Preferably, the grooves are equidistantly formed in the outer wall of the sliding plate, and the sliding plate and the base form a sliding structure through the sliding groove.
Preferably, the hollowed-out sleeves are nested outside the support columns, and the support columns form clamping structures through the clamping rods and the grooves.
Preferably, the fixed sleeve disc is rotatably connected with the support column through a movable shaft, and the support column and the clamping rod are integrally arranged.
Preferably, the fixed sleeve disc forms a clamping structure with the linking column through the fixed rod, the central axis of the fixed rod coincides with the central axis of the spring, and the two fixed rods are symmetrically arranged on the central axis of the fixed sleeve disc.
Preferably, threaded connection is adopted between the screw rod and the connecting plate, interference connection is adopted between the screw rod and the adjusting groove, and the adjusting groove is arranged at equal angles relative to a central axis of the adjusting rod.
Preferably, the camera constitutes to rotate through rotating the handle and being connected with the framework, and the axis that rotates the handle is parallel with the axis of gag lever post.
Compared with the prior art, the invention has the beneficial effects that: the face recognition security device has the advantages that the information matching error rate is extremely low, the operation and use efficiency is high, the angle and height position of the device can be adjusted conveniently, the recorded information range is wide, and the device can be disassembled, maintained and parts can be replaced conveniently;
1. according to the face recognition security device, through the arrangement of the base, the sliding grooves, the sliding plates, the grooves, the clamping rods, the support columns and the hollow sleeves, a user pushes the sliding plates on the inner sides of the sliding grooves through the arrangement of the sliding grooves on the inner sides of the base, and the groove with the closest height position is clamped and fixed with the clamping rod on the side of the support column, so that the height position of the support column is fixed and the face recognition height is roughly adjusted, the height position adjusting fixing mode is simple and convenient, and the user experience is high;
2. according to the face recognition security device, through the arrangement of the fixed sleeve disc, the spring, the fixed rod and the connecting column, a user can stably clamp the connecting column at the bottom end of the frame body into the inner side of the fixed sleeve disc, and due to the arrangement of the spring, the fixed rod and the connecting column can be effectively clamped and fixed, so that the whole frame body is installed and fixed, the installation and the disassembly of the whole device by the user are facilitated, and the maintenance of the device by the user is facilitated;
3. this face identification security protection device rotates the inboard screw rod of linking up the fishplate bar through the setting of adjusting pole, adjustment tank, screw rod and linking up the fishplate bar to make the tip of screw rod and adjustment tank form fixed block, with this fixed regulation pole, prevent to adjust the arbitrary rotation of pole and camera, structural component links up the mode simply, and user operation adjusts conveniently, and the stability of camera is strong, and undulant flickering amplitude is low, and recognition efficiency is high.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a connection structure of a support and a hollow sleeve according to the present invention;
FIG. 3 is a side view of the frame of the present invention;
FIG. 4 is a schematic diagram of the structure at A in FIG. 1 according to the present invention;
fig. 5 is a schematic diagram of the structure at B in fig. 1.
In the figure: 1. a base; 2. a sliding groove; 3. a sliding plate; 4. a groove; 5. a clamping rod; 6. a pillar; 7. hollowing out the sleeve; 8. a lifting groove; 9. a movable shaft; 10. fixing a sleeve disc; 11. a spring; 12. fixing the rod; 13. connecting the column; 14. a frame body; 15. a bearing; 16. adjusting a rod; 17. an adjustment groove; 18. a screw; 19. a connector tile; 20. a camera; 21. rotating the handle; 22. a limiting rod; 23. a circular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a novel security device for face recognition comprises a base 1, a sliding groove 2, a sliding plate 3, a groove 4, a clamping rod 5, a support column 6, a hollowed sleeve 7, a lifting groove 8, a movable shaft 9, a fixed sleeve disc 10, a spring 11, a fixed rod 12, a linking column 13, a frame body 14, a bearing 15, an adjusting rod 16, an adjusting groove 17, a screw rod 18, a linking plate 19, a camera 20, a rotating handle 21, a limiting rod 22 and a circular groove 23, wherein the sliding groove 2 is formed in the inner side of the base 1, the sliding plate 3 is arranged on the inner side of the sliding groove 2, the groove 4 is formed in the right side of the sliding plate 3, the clamping rod 5 is arranged on the inner side of the groove 4, the support column 6 is arranged on the right side of the clamping rod 5, the hollowed sleeve 7 is arranged on the outer side of the support column 6, the lifting groove 8 is formed in the outer wall of the hollowed sleeve 7, the movable shaft 9, a spring 11 is installed on the inner side of the fixed sleeve disc 10, a fixed rod 12 is installed on the right side of the spring 11, a connecting column 13 is arranged on the right side of the fixed rod 12, a frame body 14 is installed at the top of the connecting column 13, a bearing 15 is installed on the inner side of the frame body 14, an adjusting rod 16 is installed on the inner side of the bearing 15, an adjusting groove 17 is formed in the inner side of the adjusting rod 16, a screw 18 is installed at the top of the adjusting groove 17, a connecting plate 19 is arranged on the outer side of the screw 18, a camera 20 is installed in the middle of the frame body 14, a rotating handle 21 is installed on the right side of the camera 20, a limiting rod 22 penetrates through the inner side of the rotating handle 21, and;
furthermore, the grooves 4 are equidistantly arranged on the outer wall of the sliding plate 3, the sliding plate 3 and the base 1 form a sliding structure through the sliding groove 2, a user pushes the sliding plate 3 on the inner side of the sliding groove 2 through the arrangement of the sliding groove 2 on the inner side of the base 1, and one groove 4 with the closest height position is clamped and fixed with the clamping rod 5 on the side of the strut 6, so that the fixation of the height position of the strut 6 and the approximate adjustment of the human face recognition height are completed, the fixing mode of adjusting the height position is simple and convenient, and the user experience is high;
further, the hollow sleeve 7 is nested outside the support column 6, the support column 6 and the groove 4 form a clamping structure through the clamping rod 5, a user reasonably predicts the proper height of the device, and then the support column 6 on the inner side of the hollow sleeve 7 is lifted through the arrangement of the lifting groove 8 on the outer wall of the hollow sleeve 7 so as to adjust the height position of the support column 6, so that the height position is adjusted conveniently and efficiently, and the identification and recording height position can be conveniently and quickly adjusted;
furthermore, the fixed sleeve disc 10 is rotatably connected with the support column 6 through the movable shaft 9, the support column 6 and the clamping rod 5 are integrally arranged, and a user can rotatably adjust the angle of the fixed sleeve disc 10 by rotating the movable shaft 9 to determine the adjustment of the horizontal angle of the face recognition;
furthermore, the fixed sleeve disc 10 and the linking column 13 form a clamping structure through the fixed rod 12, the central axis of the fixed rod 12 coincides with the central axis of the spring 11, and the fixed rod 12 is symmetrically arranged about the central axis of the fixed sleeve disc 10, a user stably clamps the linking column 13 at the bottom end of the frame body 14 into the inner side of the fixed sleeve disc 10, and due to the arrangement of the spring 11, the fixed rod 12 and the linking column 13 can form effective clamping fixation, so that the whole frame body 14 can be installed and fixed, the installation and the disassembly of the whole device are facilitated for the user, and the maintenance of the device by the user is facilitated;
furthermore, the screw rod 18 is in threaded connection with the connecting plate 19, the screw rod 18 is in interference connection with the adjusting groove 17, the adjusting groove 17 is arranged at an equal angle relative to the central axis of the adjusting rod 16, the screw rod 18 on the inner side of the connecting plate 19 is rotated, and the end part of the screw rod 18 and the adjusting groove 17 form fixed clamping, so that the adjusting rod 16 is fixed, the adjusting rod 16 and the camera 20 are prevented from rotating randomly, the connecting mode of structural components is simple, the operation and adjustment of a user are convenient, the stability of the camera 20 is strong, the fluctuation flickering amplitude is low, and the recognition efficiency is high;
further, camera 20 constitutes to rotate through rotating handle 21 and framework 14 and is connected, and the axis that rotates handle 21 parallels with gag lever post 22's axis, because the installation of bearing 15, the user rotates handle 21 through rotating, make camera 20's vertical angle change, adjust with the suitable angle to face identification, and use gag lever post 22 to rotate handle 21 and fix, the simple high efficiency of fixed mode behind the angle modulation, the controllability wide range of angle, the face identification range regulation and control flexibility of device is strong.
The working principle is as follows: firstly, a user switches on a power supply of a camera 20, the model of the camera 20 is DH-IPC-HFW4433M-I2, the user reasonably estimates the proper height of the device, then the pillar 6 on the inner side of the hollow sleeve 7 is lifted through the opening of the lifting groove 8 on the outer wall of the hollow sleeve 7 to adjust the height position of the pillar 6, then the user pushes the sliding plate 3 on the inner side of the sliding groove 2 through the arrangement of the sliding groove 2 on the inner side of the base 1, and enables the groove 4 with the closest height position to be clamped and fixed with the clamping rod 5 on the side of the pillar 6, so that the fixation of the height position of the pillar 6 and the approximate adjustment of the face recognition height are completed, and then the user can rotate and adjust the angle of the fixed sleeve 10 by rotating the movable shaft 9 to determine the adjustment of the horizontal angle of the face recognition;
next, the user stably clips the connection column 13 at the bottom end of the frame 14 into the inner side of the fixed sleeve disc 10, due to the arrangement of the spring 11, the fixed rod 12 and the connection column 13 can form effective clamping fixation, and the installation and fixation of the whole frame 14 are completed, then, due to the installation of the bearing 15, the user rotates the rotating handle 21 by rotating the rotating handle 21, so that the vertical angle of the camera 20 changes, the proper angle for face recognition is adjusted, the limiting rod 22 is used for fixing the rotating handle 21, meanwhile, the screw rod 18 at the inner side of the connection plate 19 is rotated, and the end part of the screw rod 18 and the adjusting groove 17 form fixed clamping, so that the adjusting rod 16 is fixed, the arbitrary rotation of the adjusting rod 16 and the camera 20 is prevented, and the installation and adjustment of the security device are completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a novel security protection for face identification device, includes base (1), loose axle (9) and camera (20), its characterized in that: the inner side of the base (1) is provided with a sliding groove (2), the inner side of the sliding groove (2) is provided with a sliding plate (3), the right side of the sliding plate (3) is provided with a groove (4), the inner side of the groove (4) is provided with a clamping rod (5), the right side of the clamping rod (5) is provided with a support column (6), the outer side of the support column (6) is provided with a hollowed-out sleeve (7), the outer wall of the hollowed-out sleeve (7) is provided with a lifting groove (8), the movable shaft (9) is arranged at the top of the support column (6), the top of the movable shaft (9) is provided with a fixed sleeve disc (10), the inner side of the fixed sleeve disc (10) is provided with a spring (11), the right side of the spring (11) is provided with a fixed rod (12), the right side of the fixed rod (12) is provided with a linking column (, bearing (15) are installed to the inboard of framework (14), and the inboard of bearing (15) installs regulation pole (16), regulation groove (17) have been seted up to the inboard of adjusting pole (16), and screw rod (18) are installed at the top of regulation groove (17) to the outside of screw rod (18) is provided with linking plate (19), camera (20) are installed in the middle part of framework (14), and the right side of camera (20) installs and rotate handle (21), the inboard of rotating handle (21) runs through gag lever post (22), and round slot (23) have been seted up to the bottom of gag lever post (22).
2. The novel security device for face recognition according to claim 1, characterized in that: the grooves (4) are equidistantly arranged on the outer wall of the sliding plate (3), and the sliding plate (3) and the base (1) form a sliding structure through the sliding groove (2).
3. The novel security device for face recognition according to claim 1, characterized in that: the hollow sleeve (7) is nested outside the support column (6), and the support column (6) and the groove (4) form a clamping structure through the clamping rod (5).
4. The novel security device for face recognition according to claim 1, characterized in that: the fixed sleeve disc (10) is rotationally connected with the support column (6) through the movable shaft (9), and the support column (6) and the clamping rod (5) are integrally arranged.
5. The novel security device for face recognition according to claim 1, characterized in that: the fixed sleeve disc (10) and the connecting column (13) form a clamping structure through the fixed rod (12), the central axis of the fixed rod (12) is overlapped with the central axis of the spring (11), and two fixed rods (12) are symmetrically arranged about the central axis of the fixed sleeve disc (10).
6. The novel security device for face recognition according to claim 1, characterized in that: the screw rod (18) is in threaded connection with the connecting plate (19), the screw rod (18) is in interference connection with the adjusting groove (17), and the adjusting groove (17) is arranged at equal angles relative to the central axis of the adjusting rod (16).
7. The novel security device for face recognition according to claim 1, characterized in that: the camera (20) is rotationally connected with the frame body (14) through a rotating handle (21), and the central axis of the rotating handle (21) is parallel to the central axis of the limiting rod (22).
CN201911332392.0A 2019-12-22 2019-12-22 Novel security protection for face identification device Withdrawn CN113007558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911332392.0A CN113007558A (en) 2019-12-22 2019-12-22 Novel security protection for face identification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911332392.0A CN113007558A (en) 2019-12-22 2019-12-22 Novel security protection for face identification device

Publications (1)

Publication Number Publication Date
CN113007558A true CN113007558A (en) 2021-06-22

Family

ID=76382431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911332392.0A Withdrawn CN113007558A (en) 2019-12-22 2019-12-22 Novel security protection for face identification device

Country Status (1)

Country Link
CN (1) CN113007558A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811337A (en) * 2022-03-31 2022-07-29 盐城市第一人民医院 RFID technology scanning device for access control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811337A (en) * 2022-03-31 2022-07-29 盐城市第一人民医院 RFID technology scanning device for access control system
CN114811337B (en) * 2022-03-31 2023-12-05 盐城市第一人民医院 RFID (radio frequency identification) technology scanning device for access control system

Similar Documents

Publication Publication Date Title
CN113007558A (en) Novel security protection for face identification device
CN213018639U (en) Face identification security protection device
CN205897599U (en) Slot type solar rack based on gravity principle
CN209228105U (en) A kind of strenthening member of pin
CN210316445U (en) Novel portable low-rise scaffold
CN108204169B (en) Guardrail convenient to change
CN210123999U (en) Monitoring camera for smart city without dead angle monitoring
CN212067066U (en) Adjustable support for spinal surgery
CN109174239A (en) A kind of Physical Experiment experimental bench
CN211364079U (en) Drawing device for product design
CN207522450U (en) A kind of axially stacking formula valve fixture
CN209335046U (en) A kind of flower roll fast assembly and disassembly mechanism
CN207514520U (en) A kind of display rotating support
CN207677672U (en) A kind of mountainous region photovoltaic fixing device
CN209068129U (en) It is a kind of can be according to the installation projector mount that projector distance is changed
CN215928950U (en) Pressure rake applied to aviation measurement and control
CN207005848U (en) A kind of LED desk lamp
CN214467726U (en) Monitoring device for subway power supply safety management
CN208520383U (en) Monitor prism apparatus
CN213576493U (en) Teaching display rack for electronic information technology
CN206150894U (en) Novel over -and -under type filing cabinet
CN216371908U (en) Maintenance device for electrical instrument
CN219179463U (en) On-site checking bracket of metering device
CN211289329U (en) Multi-functional antiwind display screen show shelf
CN221054586U (en) LED display screen fixing device convenient to installation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210622