CN112901939A - Fire prevention camera port that fire safety control was used - Google Patents

Fire prevention camera port that fire safety control was used Download PDF

Info

Publication number
CN112901939A
CN112901939A CN202110124274.1A CN202110124274A CN112901939A CN 112901939 A CN112901939 A CN 112901939A CN 202110124274 A CN202110124274 A CN 202110124274A CN 112901939 A CN112901939 A CN 112901939A
Authority
CN
China
Prior art keywords
plate
slide
rotating
groove
fire
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Withdrawn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
CN202110124274.1A
Other languages
Chinese (zh)
Inventor
周琴
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.)
Hubei Yuzhen Technology Co ltd
Original Assignee
Hubei Yuzhen 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 Hubei Yuzhen Technology Co ltd filed Critical Hubei Yuzhen Technology Co ltd
Priority to CN202110124274.1A priority Critical patent/CN112901939A/en
Publication of CN112901939A publication Critical patent/CN112901939A/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Withdrawn legal-status Critical Current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
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • F16M11/10Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • 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
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/51Housings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/695Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Studio Devices (AREA)

Abstract

The invention relates to the technical field of fire safety monitoring, in particular to a fire-proof camera shooting port for fire safety monitoring, which comprises a top wall and a camera shooting device, wherein the bottom of the top wall is provided with a connecting frame, the top of the connecting frame is fixedly connected with the top wall, the inner side below the connecting frame is provided with a slide rail, the bottom of the slide rail is provided with a clamping groove, the camera shooting device is arranged below the connecting frame in an inverted manner, the front side of the camera shooting device is provided with a slide way, and a slide block is arranged in the slide way, so that the: the fireproof material is adopted outside the fireproof door, the fireproof door has a fireproof function, the sliding block is driven to move on the toothed plate through the rotation of the gear, a larger monitoring visual angle is achieved, the inner part and the outer part of the fireproof door are isolated through the toothed plate, and flame penetration is prevented. The camera device is fixedly installed through the clamping structure of the clamping block and the clamping groove below the rotating plate, installation and disassembly are convenient, convenience and rapidness are achieved, and the connecting part is prevented from being broken due to the influence of flame and high temperature.

Description

Fire prevention camera port that fire safety control was used
Technical Field
The invention relates to the technical field of fire safety monitoring, in particular to a fire-proof camera port for fire safety monitoring.
Background
The camera is also called a computer camera, a computer eye, an electronic eye and the like, is a video input device, and is widely applied to aspects such as video conferences, telemedicine, real-time monitoring and the like. The fireproof camera is a camera with a fireproof function.
At present, most fire control safety monitoring uses the fire prevention port of making a video recording's detail function still has the flaw, and the outside adopts fire prevention material but its inside fire behavior is not good, and under the great condition of intensity of a fire, flame passes through camera device gap and gets into inside, causes the device damage.
Disclosure of Invention
The invention aims to provide a fireproof camera port for fire safety monitoring, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a fireproof camera port for fire safety monitoring comprises a top wall and a camera device, wherein the bottom of the top wall is provided with a connecting frame, the top of the connecting frame is fixedly connected with the top wall, the inner side below the connecting frame is provided with a slide rail, the bottom of the slide rail is provided with a clamping groove, the camera device is arranged below the connecting frame in an inverted manner, the front side of the camera device is provided with a slide way, a slide block is arranged in the slide way, the outer side of the slide block is fixedly connected with the inner side of a camera, the middle part of the inner side of the slide block is provided with a rotating groove, a gear is arranged in the rotating groove, the inner side of the gear is provided with a toothed plate, the top of the camera device is provided with a slide seat, two sides of the middle part of the slide seat are provided with sliding grooves, a rotating plate is arranged below the rear side, the opposite side of connecting rod is provided with the limiting plate, and the limiting plate setting is inside the activity groove, and the activity groove setting is at slide the latter half middle part, and the opening part in activity groove is provided with supports the piece, and the inside in activity groove is provided with the spring.
Preferably, the sliding block is in sliding connection with the sliding way, the middle of the outer side of the sliding block is fixedly connected with the end part of the inner side of the camera, and the sliding way is set to be a two-section track with the bottom bent vertically and upwards.
Preferably, the gear is fixed inside the rotating groove through a shaft, the gear is rotatably connected with the rotating groove, the inner side of the gear is meshed with the outer side of the toothed plate, and the outer side of the toothed plate corresponds to the track of the slide way.
Preferably, camera device's top and the below middle part fixed connection of slide, the slide passes through the spout and the horizontal sliding connection of slide rail that middle part both sides set up, and the first half setting of slide is inside the link.
Preferably, the rotating plate is rotatably connected with the sliding seat, the rotating track of the rotating plate rotates along the outer wall of the rear part of the camera device, and the lower part of the end part of the outer side of the rotating plate is fixedly connected with the top of the clamping block.
Preferably, the end of the inner side of the rotating plate is fixedly connected with the outer side of the rotating shaft, the inner side of the rotating shaft is fixedly connected with the end of the outer side of the movable plate, and the movable plate is horizontally connected with the sliding seat in a sliding manner.
Preferably, the middle part of the inner side of the movable plate is fixedly connected with the end part of the outer side of the connecting rod, the end part of the inner side of the connecting rod is fixedly connected with the middle part of the outer side of the limiting plate, the limiting plate is arranged in the movable groove and is in horizontal sliding connection with the movable groove, the middle part of the inner side of the limiting plate is fixedly connected with the end part of the outer side of the spring, and the end part of the inner side of the spring is fixedly connected.
Preferably, the inner radius of the abutting block corresponds to the outer radius of the connecting rod, and the inner radius of the abutting block is smaller than the outer radius of the limiting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the fireproof material is adopted outside the fireproof door, the fireproof door has a fireproof function, the sliding block is driven to move on the toothed plate through the rotation of the gear, a larger monitoring visual angle is achieved, the inner part and the outer part of the fireproof door are isolated through the toothed plate, and flame penetration is prevented.
2. The camera device is fixedly installed through the clamping structure of the clamping block and the clamping groove below the rotating plate, installation and disassembly are convenient, convenience and rapidness are achieved, and the connecting part is prevented from being broken due to the influence of flame and high temperature.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the image capturing device according to the present invention;
FIG. 3 is a schematic view of the structure of the connecting frame of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 2 according to the present invention.
In the figure: 1. roof, 2, link, 3, slide rail, 4, draw-in groove, 5, camera device, 6, slide, 7, slider, 8, camera, 9, rotation groove, 10, gear, 11, pinion rack, 12, slide, 13, spout, 14, rotor plate, 15, fixture block, 16, pivot, 17, fly leaf, 18, connecting rod, 19, limiting plate, 20, activity groove, 21, support piece, 22, spring.
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 to 4, the present invention provides a technical solution: a fire-proof camera port for fire safety monitoring comprises a top wall 1 and a camera device 5, wherein the bottom of the top wall 1 is provided with a connecting frame 2, the top of the connecting frame 2 is fixedly connected with the top wall 1, the inner side below the connecting frame 2 is provided with a slide rail 3, the bottom of the slide rail 3 is provided with a clamping groove 4, the camera device 5 is arranged below the connecting frame 2 in an inverted manner, the front side of the camera device 5 is provided with a slide rail 6, a slide block 7 is arranged in the slide rail 6, the outer side of the slide block 7 is fixedly connected with the inner side of a camera 8, the middle part of the inner side of the slide block 7 is provided with a rotating groove 9, a gear 10 is arranged in the rotating groove 9, the inner side toothed plate of the gear 10 is provided with a gear plate 11, the top of the camera device 5 is provided with a slide seat 12, two sides of the middle part of the slide seat 12 are provided with sliding grooves, a movable plate 17 is arranged on the inner side of the rotating shaft 16, a connecting rod 18 is arranged in the middle of the inner side of the movable plate 17, a limiting plate 19 is arranged on the other side of the connecting rod 18, the limiting plate 19 is arranged inside a movable groove 20, the movable groove 20 is arranged in the middle of the lower half portion of the sliding seat 12, a supporting block 21 is arranged at an opening of the movable groove 20, and a spring 22 is arranged inside the movable groove 20.
The sliding block 7 is connected with the sliding way 6 in a sliding mode, the middle of the outer side of the sliding block 7 is fixedly connected with the end portion of the inner side of the camera 8, and the sliding way 6 is set to be a two-section type track with the bottom bent vertically and upwards. The gear 10 is fixed inside the rotating groove 9 through a shaft, the gear 10 is rotatably connected with the rotating groove 9, the inner side of the gear 10 is meshed with the outer side of the toothed plate 11, and the outer side of the toothed plate 10 corresponds to the track of the slide 6. The top of the camera device 5 is fixedly connected with the middle part below the sliding base 12, the sliding base 12 is horizontally and slidably connected with the sliding rail 3 through sliding grooves 13 arranged on two sides of the middle part, and the upper half part of the sliding base 12 is arranged inside the connecting frame 2.
The rotating plate 14 is rotatably connected with the sliding base 12, the rotating track of the rotating plate 14 rotates along the rear outer wall of the camera device 5, and the lower part of the outer end of the rotating plate 14 is fixedly connected with the top of the clamping block 15. The inner end of the rotating plate 14 is fixedly connected with the outer side of the rotating shaft 16, the inner side of the rotating shaft 16 is fixedly connected with the outer end of the movable plate 17, and the movable plate 17 is horizontally connected with the sliding seat 12 in a sliding manner. The middle part of the inner side of the movable plate 17 is fixedly connected with the end part of the outer side of the connecting rod 18, the end part of the inner side of the connecting rod 18 is fixedly connected with the middle part of the outer side of the limiting plate 19, the limiting plate 19 is arranged in the movable groove 20 and is horizontally and slidably connected with the movable groove, the middle part of the inner side of the limiting plate 19 is fixedly connected with the end part of the outer side of the spring 22, and the end part of the inner side of the spring 22 is fixedly connected. The inner radius of the abutting block 21 corresponds to the outer radius of the connecting rod 18, and the inner radius of the abutting block 21 is smaller than the outer radius of the limiting plate 19.
The working principle is as follows: the connecting frame 2 is fixed and installed with the wall top wall 1 in an inverted state, so that the connecting frame is fixed on the top wall 1, the camera device 5 is placed in an inverted state, the sliding groove 13 in the middle of the sliding seat 12 and the sliding rail 3 are aligned with each other, the sliding seat 12 is slowly pushed towards the inside of the connecting frame 2, the sliding rail 3 is clamped into the sliding groove 13 and slides in the sliding groove 13 until the sliding seat 12 enters the bottom of the connecting frame 2, at this time, the rotating plate 14 is turned downwards to be separated from the sliding seat 12, the rotating plate 14 is pulled backwards to pull the movable plate 14 to pull the movable plate 17 to move backwards, namely, the limiting plate 19 slides backwards in the movable groove 20, when the rotating plate 14 is pulled to a certain distance, the rotating plate 14 is turned backwards to make the rear end contact with the tail end of the sliding rail 3, even if the clamping block 15 contacts with the clamping groove 4, the top gully of the clamping block 15 is placed in the clamping groove 4, at this time, the horizontal force of the rotating plate, the movable plate 17 and the rotating plate 14 are pulled to move forwards, so that the clamping block 15 and the clamping groove 4 are clamped with each other, the sliding seat 12 and the connecting frame 2 are fixed with each other, after the camera device 5 is installed, the gear 10 inside the sliding block 7 rotates, and the gear 10 rotates to change the position of the gear on the toothed plate 11 due to the fact that the gear 10 is meshed with the toothed plate 11, so that the shooting angle of the camera 8 is changed, and the monitoring range of the camera is enlarged.
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 (8)

1. The utility model provides a port is made a video recording in fire prevention that fire safety control was used, includes roof (1) and camera device (5), its characterized in that: the bottom of the top wall (1) is provided with a connecting frame (2), the top of the connecting frame (2) is fixedly connected with the top wall (1), the inner side below the connecting frame (2) is provided with a slide rail (3), the bottom of the slide rail (3) is provided with a clamping groove (4), the camera device (5) is arranged below the connecting frame (2) in an inverted manner, the front side of the camera device (5) is provided with a slide way (6), the slide way (6) is internally provided with a slide block (7), the outer side of the slide block (7) is fixedly connected with the inner side of a camera (8), the middle part of the inner side of the slide block (7) is provided with a rotating groove (9), a gear (10) is arranged in the rotating groove (9), the inner side of the gear (10) is provided with a toothed plate (11), the top of the camera device (5) is provided with a slide seat (12), the two sides of the middle part of the slide, the bottom of the outer side of the rotating plate (14) is provided with a clamping block (15), the end of the inner side of the rotating plate (14) is provided with a rotating shaft (16), the inner side of the rotating shaft (16) is provided with a movable plate (17), the middle of the inner side of the movable plate (17) is provided with a connecting rod (18), the other side of the connecting rod (18) is provided with a limiting plate (19), the limiting plate (19) is arranged inside a movable groove (20), the movable groove (20) is arranged in the middle of the lower half portion of the sliding seat (12), an opening of the movable groove (20) is provided with a supporting block (21), and a spring.
2. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: slider (7) and slide (6) sliding connection, the outside middle part of slider (7) and the medial extremity fixed connection of camera (8), slide (6) set up to the crooked two segmentation orbits in the vertical top in bottom.
3. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: the gear (10) is fixed inside the rotating groove (9) through a shaft, the gear (10) is rotatably connected with the rotating groove (9), the inner side of the gear (10) is meshed with the outer side of the toothed plate (11), and the outer side of the toothed plate (10) corresponds to the track of the slide way (6).
4. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: the top of the camera device (5) is fixedly connected with the middle part of the lower part of the sliding seat (12), the sliding seat (12) is horizontally and slidably connected with the sliding rail (3) through sliding grooves (13) formed in two sides of the middle part, and the upper half part of the sliding seat (12) is arranged inside the connecting frame (2).
5. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: the rotating plate (14) is rotatably connected with the sliding seat (12), the rotating track of the rotating plate (14) rotates along the outer wall of the rear part of the camera device (5), and the lower part of the outer end part of the rotating plate (14) is fixedly connected with the top of the clamping block (15).
6. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: the inner side end of the rotating plate (14) is fixedly connected with the outer side of the rotating shaft (16), the inner side of the rotating shaft (16) is fixedly connected with the outer side end of the movable plate (17), and the movable plate (17) is horizontally connected with the sliding seat (12) in a sliding manner.
7. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: the utility model discloses a portable electronic device, including activity groove (20), inboard middle part of activity plate (17) and the outside end fixed connection of connecting rod (18), the inboard middle part of connecting rod (18) and the outside middle part fixed connection of limiting plate (19), limiting plate (19) set up in activity groove (20) and rather than horizontal sliding connection, the inboard middle part of limiting plate (19) and the outside end fixed connection of spring (22), the inboard end fixed connection of spring (22) and the bottom inner wall fixed connection of activity groove (20).
8. A fire protection camera port for fire safety monitoring according to claim 1, characterized in that: the inner radius of the abutting block (21) corresponds to the outer radius of the connecting rod (18), and the inner radius of the abutting block (21) is smaller than the outer radius of the limiting plate (19).
CN202110124274.1A 2021-01-29 2021-01-29 Fire prevention camera port that fire safety control was used Withdrawn CN112901939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110124274.1A CN112901939A (en) 2021-01-29 2021-01-29 Fire prevention camera port that fire safety control was used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110124274.1A CN112901939A (en) 2021-01-29 2021-01-29 Fire prevention camera port that fire safety control was used

Publications (1)

Publication Number Publication Date
CN112901939A true CN112901939A (en) 2021-06-04

Family

ID=76120792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110124274.1A Withdrawn CN112901939A (en) 2021-01-29 2021-01-29 Fire prevention camera port that fire safety control was used

Country Status (1)

Country Link
CN (1) CN112901939A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113883396A (en) * 2021-09-29 2022-01-04 北京三月雨文化传播有限责任公司 Tracking module for capturing activity track of visitor in digital exhibition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113883396A (en) * 2021-09-29 2022-01-04 北京三月雨文化传播有限责任公司 Tracking module for capturing activity track of visitor in digital exhibition
CN113883396B (en) * 2021-09-29 2023-07-21 汉沙数字科技集团有限公司 Tracking module for capturing movement track of visitor in digital exhibition

Similar Documents

Publication Publication Date Title
CN109386698B (en) Projector moving base capable of automatically adjusting size of screen
CN112901939A (en) Fire prevention camera port that fire safety control was used
CN114020101A (en) Angle-adjustable multifunctional computer display
CN211038279U (en) Automatic window opener
CN210105579U (en) Sliding window opening and closing device and sliding window
CN111472655B (en) Hotel door with switch control device
CN103089091A (en) Sliding support for outer casement window
CN214943405U (en) Super-bearing dustproof fireproof four-bar linkage
CN209990306U (en) Rotary translation pulley structure
CN210396465U (en) Meet window of fire self-closing
CN216446716U (en) Gear transmission sliding support
CN108311546B (en) Side guide automatic positioning device
CN207905553U (en) Rub orientation slide-support
CN220319443U (en) Rolling shutter door
CN219530347U (en) Movable data display screen
CN215108211U (en) Automatic locking hinge structure for fireproof window
CN216641909U (en) Steel heat-insulation fireproof door
CN211573077U (en) Window sash opening and closing control device
CN215907669U (en) Temperature control device and hidden temperature control window closer
CN208486725U (en) A kind of fire-proof doors and windows built-in hinge
CN211598379U (en) Fire window with anti-theft structure
CN216690929U (en) Crystal rolling door leaf stop device
CN214403148U (en) Hinge angle adjusting mechanism and universal hidden hinge
CN221053526U (en) Side sliding door structure of shower room
CN219158795U (en) Multifunctional full-open window capable of being synchronized up and down

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210604