CN205558723U - Make things convenient for automatic electromagnetic shielding door of unblock operation - Google Patents
Make things convenient for automatic electromagnetic shielding door of unblock operation Download PDFInfo
- Publication number
- CN205558723U CN205558723U CN201620285022.1U CN201620285022U CN205558723U CN 205558723 U CN205558723 U CN 205558723U CN 201620285022 U CN201620285022 U CN 201620285022U CN 205558723 U CN205558723 U CN 205558723U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- doorframe
- rotating shaft
- gear
- spring bearing
- 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- Withdrawn - After Issue
Links
Abstract
The utility model provides a make things convenient for automatic electromagnetic shielding door of unblock operation, includes door frame and door physically, divide the lockpin of putting that is equipped with two horizontal settings about second side that the first broadside on of men tiyu was answered, be equipped with locking slide on the door frame that corresponds with two lockpins respectively, the equal vertical slidable mounting of two locking slide correspond fixed slide rail on the door frame, the slope is offered by being used for and corresponding the lockpin and form slide wedge locking structure's locking spout respectively on two locking slide, passes through gangbar fixed connection between two locking slide double -shaft motor is installed on the upper portion of door frame, and the output shaft of double -shaft motor one end is connected with the locking slide transmission that is located the top through screw -nut drive mechanism, the terminal cover of double -shaft motor's other end output shaft is equipped with a bevel gear, and a bevel gear is connected with urgent headstock gear. When power failure or motor trouble take place when, through promptly opening and close of manual rotation double -shaft motor realization shield door, easy operation, safe and reliable has solved the defect that prior art exists.
Description
Technical field
This utility model belongs to electromagnetic shield door technical field, relates generally to a kind of convenient automatic electromagnetic shield door solving latching operation.
Background technology
At present, the shield door that electromagnetic shielding chamber is installed mainly uses hinged vertical hinged door, and the keying of shield door has automatically controlled locking and two kinds of lockable mechanisms of manual block.And use the electromagnetic shield door of automatically controlled keying, also just with the dual-axle motor being arranged on above door body, pass through rack gear, drive the locking sliding block being arranged on doorframe, utilize the angle of inclination on locking sliding block, make the lock pin being arranged in door body when separating with locking sliding block, door body is separated with doorframe.But owing to being limited by locking sliding block angle of inclination, it is still desirable to manually door body to be opened (opening to enabling a person to the state that freely comes in and goes out), pass (closing the position that the lock pin in door body can be made corresponding with the lock dog on doorframe).Owing to door body is heavier, relatively elaborate, and have impact on enabling speed, the most laborious but also time-consuming, bring inconvenience to work.Drive mechanism is arranged on the top of door body, during operated by personnel, needs foot to step on the instrument such as ladder, stool and just can operate, and operation inconvenience and potential safety hazard are big.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of convenient automatic electromagnetic shield door solving latching operation.
The technical solution of the utility model is:
A kind of convenient automatic electromagnetic shield door solving latching operation, including doorframe and door body, two hinge that door body is split up and down by first side are arranged in doorframe, the lock pin being provided with two horizontally sets that the described door body second side corresponding with first side splits up and down, it is respectively equipped with locking sliding block on the doorframe corresponding with two lock pins, two described locking sliding blocks are the most vertically slidable to be arranged on doorframe in corresponding fixing slide rail, two locking sliding blocks tilt locking chute respectively that offer for corresponding lock pin composition wedge locking mechanism, connect by gangbar is fixing between two locking sliding blocks, on the top of described doorframe, dual-axle motor is installed, the output shaft of dual-axle motor one end is in transmission connection with locking sliding block above by screw nut driving mechanism；
nullThe other end output the tip of the axis of dual-axle motor is arranged with the first bevel gear，First bevel gear connects urgent headstock gear，Described urgent headstock gear includes being arranged on doorframe the first spring bearing being positioned at below the first bevel gear and the support seat being positioned at above the first bevel gear，Support seat is provided with and is vertically directed hole，First spring bearing and support being vertically directed in hole to be vertically directed and being slidably fitted with the first rotating shaft of seat，The excircle of the first rotating shaft between the first spring bearing and support seat is set with the second bevel gear mated with the first bevel gear，Upper and lower two horizontal location holes are offered on pilot hole hole wall，By the first location spring top equipped with the first locking ball in the horizontal location hole of top，By the second location spring top equipped with the second locking ball in the horizontal location hole of lower section，Described first rotating shaft offers for the positioning ring groove with described second locking ball snap-fit when the first bevel gear and the second bevel gear engage；Being also equipped with the travel switch put in place for detecting door body to close above described doorframe, in described door body, correspondence is fixed with the touch panel for triggering travel switch.
Preferably, described first rotating shaft is positioned on the excircle supported above seat and is arranged with third hand tap gear, it is arranged with the second spring bearing in first rotating shaft of third hand tap gear upper end, laterally spaced on the doorframe of the first rotating shaft side it is installed with the 3rd spring bearing and the 4th spring bearing, 3rd spring bearing and the 4th spring bearing are laterally coated with the second rotating shaft, second rotating shaft installs the 4th bevel gear with third hand tap gear matches near one end of third hand tap gear, and the other end of the second rotating shaft is coated with the 5th bevel gear；On the doorframe of the 5th bevel gear, vertical interval is installed with the 5th spring bearing and the 7th spring bearing, 5th spring bearing and the 7th spring bearing are vertically coated with the 3rd rotating shaft, 3rd rotating shaft installs, near one end of the 5th bevel gear, the 6th bevel gear mated with the 5th bevel gear, and the other end of the 3rd rotating shaft is coated with the 7th bevel gear；Doorframe near the 7th bevel gear is provided with the horizontally-guided hole A of through doorframe, horizontally-guided hole A is coated with the 4th rotating shaft, 4th rotating shaft is arranged with the 8th bevel gear mated with the 7th bevel gear on the excircle of the 7th bevel gear, and the two ends that the 4th rotating shaft is positioned at inside and outside doorframe are respectively connected with rotating handles；
Also include clutch, described clutch includes fixing axle, L-shaped fork, screw pair and spur rack, described fixing axle is located on the doorframe of the 5th bevel gear, L-shaped fork includes QL and vertical swing arm, what the L crook that the QL of L-shaped fork and vertical swing arm cross rotated is set on fixing axle, QL and vertical swing arm are equipped with long waist-shaped hole near the side of end, first rotating shaft is provided with near the side of upper end in the long waist-shaped hole of the QL being installed on correspondence that bearing pin A, bearing pin A slide；Doorframe near vertical swing arm end is provided with the horizontally-guided hole B of through doorframe, horizontally-guided hole B is coated with spur rack, spur rack is positioned at the two ends of doorframe both sides and is respectively connected with hands handle, it is installed with the 6th spring bearing on the doorframe of B side, horizontally-guided hole, the leading screw of described screw pair is laterally installed in the 6th spring bearing, the side of leading screw end is provided with bearing pin B, bearing pin B rotates in the long waist-shaped hole of the vertical swing arm being installed on correspondence, the excircle of the nut of described screw pair is provided with the gear mated with spur rack, the doorframe of gear side is provided with the opening U-shaped limited block towards gear, gear rotates in the opening of U-shaped limited block.
The beneficial effects of the utility model are:
The convenient automatic electromagnetic shield door of latching operation that solves of the present utility model, when normally using, can move two locking sliding blocks synchronizations of installation by dual-axle motor driving gate upper slide of frame and move up and down, it is achieved that automatically turning on and locking of door body.
When there is power failure or electrical fault, manually rotating dual-axle motor and realizing the urgent keying of shield door, simple to operate, safe and reliable, solve the defect that prior art exists.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A zoomed-in view in Fig. 1；
Fig. 3 is the K direction view in Fig. 1；
Fig. 4 is the M-M sectional view in Fig. 1；
Fig. 5 is the N-N sectional view in Fig. 1；
nullIn figure: 1. doorframe、2. door body、3. hinge、4. lock pin、5. locking sliding block、6. slide rail、7. gangbar、8. screw nut driving mechanism、9. dual-axle motor、10. travel switch、11. touch panels、12. first spring bearings、13. first bevel gears、14. support seat、15. first rotating shafts、16. first locking balls、17. first location springs、18. second locking balls、19. second location springs、20. second bevel gears、21. third hand tap gears、22. second spring bearings、23. the 4th bevel gear、24. the 3rd spring bearings、25. second rotating shafts、26. the 4th spring bearings、27. the 5th bevel gears、28. fix axle、29.L shape fork、30. the 6th bevel gears、31. the 5th spring bearings、32. the 3rd rotating shafts、33. the 6th spring bearings、34. screw pairs、35.U type limited block、36. spur racks、37. handles、38. the 7th spring bearings、39. the 7th bevel gears、40. the 8th bevel gears、41. the 4th rotating shafts、42. rotating handleses、151. positioning ring groove.
Detailed description of the invention
Detailed description of the invention of the present utility model sees Fig. 1-5, and a kind of convenient automatic electromagnetic shield door solving latching operation, including doorframe 1 and door body 2, two hinge that door body 2 is split up and down by first side are arranged in doorframe 1.The lock pin 4 being provided with two horizontally sets that the door body 2 second side corresponding with first side splits up and down, it is respectively equipped with locking sliding block 5 on the doorframe 1 corresponding with two lock pins 4, two locking sliding blocks 5 are the most vertically slidable to be arranged on doorframe 1 in corresponding fixing slide rail 6, two locking sliding blocks 5 tilt locking chute respectively that offer for corresponding lock pin composition wedge locking mechanism, connect by gangbar 7 is fixing between two locking sliding blocks 5, on the top of doorframe 1, dual-axle motor 9 is installed, the output shaft of dual-axle motor 9 one end is in transmission connection with locking sliding block 5 above by screw nut driving mechanism 8.
The other end output the tip of the axis of dual-axle motor 9 is arranged with the first bevel gear 13, and the first bevel gear 13 connects urgent headstock gear.nullUrgent headstock gear includes being arranged on doorframe the first spring bearing 12 being positioned at below the first bevel gear 13 and being positioned at the support seat 14 above the first bevel gear 13，Support seat 14 is provided with and is vertically directed hole，First spring bearing 12 and support being vertically directed in hole to be vertically directed and being slidably fitted with the first rotating shaft 15 of seat 14，The excircle of the first rotating shaft 15 between the first spring bearing 12 and support seat 14 is set with the second bevel gear 20 mated with the first bevel gear 13，Upper and lower two horizontal location holes are offered on pilot hole hole wall，The horizontal location hole of top is top-loaded with the first locking ball 16 by the first location spring 17，The horizontal location hole of lower section is top-loaded with the second locking ball 18 by the second location spring 19，First rotating shaft 15 offers for when the first bevel gear 13 and the second bevel gear 20 engage with the positioning ring groove 151 of the second locking ball 18 snap-fit.Being also equipped with the travel switch 10 put in place for detecting door body to close above doorframe 1, in door body 2, correspondence is fixed with the touch panel 11 for triggering travel switch 10.
First rotating shaft 15 is positioned on the excircle supported above seat 14 and is arranged with third hand tap gear 21, it is arranged with the second spring bearing 22 in the first rotating shaft 15 above third hand tap gear 21, laterally spaced on the doorframe 1 of the first rotating shaft 15 side it is installed with the 3rd spring bearing 24 and the 4th spring bearing 26,3rd spring bearing 24 and the 4th spring bearing 26 are laterally coated with the second rotating shaft 25, second rotating shaft 25 installs, near one end of third hand tap gear 21, the 4th bevel gear 23 mated with third hand tap gear 21, and the other end of the second rotating shaft 25 is coated with the 5th bevel gear 27.On the doorframe of the 5th bevel gear 27, vertical interval is installed with the 5th spring bearing 31 and the 7th spring bearing 38,5th spring bearing 31 and the 7th spring bearing 38 are vertically coated with the 3rd rotating shaft 32,3rd rotating shaft 32 installs, near one end of the 5th bevel gear 27, the 6th bevel gear 30 mated with the 5th bevel gear 27, and the other end of the 3rd rotating shaft 32 is coated with the 7th bevel gear 39.Doorframe 1 near the 7th bevel gear 39 is provided with the horizontally-guided hole A of through doorframe 1, and the height of horizontally-guided hole A is less than 2/3rds of door body 2 height, and staff is not the most operable by the aid such as stool, ladder.Being coated with the 4th rotating shaft 41 in the A of horizontally-guided hole, the 4th rotating shaft 41 is arranged with the 8th bevel gear 40 mated with the 7th bevel gear 39 on the excircle of the 7th bevel gear 39, and the 4th rotating shaft 41 is positioned at the two ends inside and outside doorframe 1 and is respectively connected with rotating handles 42.
Also including clutch, clutch includes fixing axle 28, L-shaped fork 29, screw pair 34 and spur rack 36.Fixing axle 28 is located on the doorframe 1 of the 5th bevel gear 27, L-shaped fork 29 includes QL and vertical swing arm, what the L crook that the QL of L-shaped fork 29 and vertical swing arm cross rotated is set on fixing axle 28, QL and vertical swing arm are equipped with long waist-shaped hole near the side of end, first rotating shaft 15 is provided with near the side of upper end in the long waist-shaped hole of the QL being installed on correspondence that bearing pin A, bearing pin A slide.Doorframe 1 near vertical swing arm end is provided with the horizontally-guided hole B of through doorframe, and the height of horizontally-guided hole B is less than 2/3rds of door height, and staff is not the most operable by the aid such as stool, ladder.Horizontally-guided hole B is coated with spur rack 36, spur rack 36 is positioned at the two ends of doorframe 1 both sides and is respectively connected with handle 37, it is installed with the 6th spring bearing 33 on the doorframe 1 of B side, horizontally-guided hole, the leading screw of screw pair 34 is laterally installed in the 6th spring bearing 33, the side of leading screw end is provided with bearing pin B, bearing pin B rotates in the long waist-shaped hole of the vertical swing arm being installed on correspondence, the excircle of the nut of screw pair 34 is provided with the gear mated with spur rack 36, the doorframe 1 of gear side is provided with the opening U-shaped limited block 35 towards gear, gear rotates in the opening of U-shaped limited block 35, prevent gear horizontal direction from moving.
Under normal operating condition, the first locking ball 16 is installed in the positioning ring groove 151 of the first rotating shaft 15, and the second bevel gear 20 and the first bevel gear 13 are in disengaged position.During use, dual-axle motor 9 is started by coded lock or power knob, dual-axle motor 9 drives two locking sliding blocks 5 to synchronize upward sliding along the slide rail 6 being correspondingly arranged by rack and pinion drive mechanism 8, make two locking sliding blocks 5 depart from and the locking state of corresponding lock pin 4, it is achieved automatically turning on of door body 2 simultaneously；At closing time, when the touch panel 11 installed in door body 2 triggers travel switch 10, i.e. automatically starting dual-axle motor 9, dual-axle motor 9 drives two locking sliding blocks 5 to collude step by rack and pinion drive mechanism 8 and moves down, two lock pins 4 are snapped in the locking chute of correspondence, it is achieved the automatic blocking of door body 2.
When there is power failure or electrical fault, handle 37 is pulled in the inner side of door body 2 or outside, spur rack 36 drives screw pair 34 to rotate, the leading screw of screw pair 34 moves to the direction away from door body 2 second side, leading screw drives L-shaped fork 29 to swing, the QL of L-shaped fork 29 drives the first rotating shaft 15 to move downward, the positioning ring groove 151 of the first rotating shaft 15 departs from the first locking ball 16, when the second locking ball 18 snaps fits into the positioning ring groove 151 of the first rotating shaft 15, stop moving handle 37, now the second bevel gear 20 and the first bevel gear 13 are in engagement.Then, rotate rotating handles 42, the 8th bevel gear 40 in 4th rotating shaft 41 drives the 7th bevel gear 39 to rotate, sixth bevel gear 30 coaxial with the 7th bevel gear 39 drives the 5th bevel gear 27 to rotate while rotating, fourth bevel gear 23 coaxial with the 5th bevel gear 27 drives third hand tap gear 21 to rotate while rotating, second bevel gear 20 coaxial with third hand tap gear 21 drives the first bevel gear 13 to rotate while rotating, first bevel gear 13 drives dual-axle motor 9 to rotate while rotating, dual-axle motor 9 drives two locking sliding blocks 5 to synchronize upward sliding along the slide rail 6 being correspondingly arranged by rack and pinion drive mechanism 8, make two locking sliding blocks 5 depart from and the locking state of corresponding lock pin 4 simultaneously, realize the manual opening and closing of door body 2.Manual operation, simple and convenient, safe and reliable, solve the defect that prior art exists.
Claims (2)
1. the convenient automatic electromagnetic shield door solving latching operation, including doorframe and door body, two hinge that door body is split up and down by first side are arranged in doorframe, it is characterized in that, the lock pin being provided with two horizontally sets that the described door body second side corresponding with first side splits up and down, it is respectively equipped with locking sliding block on the doorframe corresponding with two lock pins, two described locking sliding blocks are the most vertically slidable to be arranged on doorframe in corresponding fixing slide rail, two locking sliding blocks tilt locking chute respectively that offer for corresponding lock pin composition wedge locking mechanism, connect by gangbar is fixing between two locking sliding blocks, on the top of described doorframe, dual-axle motor is installed, the output shaft of dual-axle motor one end is in transmission connection with locking sliding block above by screw nut driving mechanism；
nullThe other end output the tip of the axis of dual-axle motor is arranged with the first bevel gear，First bevel gear connects urgent headstock gear，Described urgent headstock gear includes being arranged on doorframe the first spring bearing being positioned at below the first bevel gear and the support seat being positioned at above the first bevel gear，Support seat is provided with and is vertically directed hole，First spring bearing and support being vertically directed in hole to be vertically directed and being slidably fitted with the first rotating shaft of seat，The excircle of the first rotating shaft between the first spring bearing and support seat is set with the second bevel gear mated with the first bevel gear，Upper and lower two horizontal location holes are offered on pilot hole hole wall，By the first location spring top equipped with the first locking ball in the horizontal location hole of top，By the second location spring top equipped with the second locking ball in the horizontal location hole of lower section，Described first rotating shaft offers for the positioning ring groove with described second locking ball snap-fit when the first bevel gear and the second bevel gear engage；Being also equipped with the travel switch put in place for detecting door body to close above described doorframe, in described door body, correspondence is fixed with the touch panel for triggering travel switch.
The convenient automatic electromagnetic shield door solving latching operation the most according to claim 1, it is characterized in that, described first rotating shaft is positioned on the excircle supported above seat and is arranged with third hand tap gear, it is arranged with the second spring bearing in first rotating shaft of third hand tap gear upper end, laterally spaced on the doorframe of the first rotating shaft side it is installed with the 3rd spring bearing and the 4th spring bearing, 3rd spring bearing and the 4th spring bearing are laterally coated with the second rotating shaft, second rotating shaft installs the 4th bevel gear with third hand tap gear matches near one end of third hand tap gear, the other end of the second rotating shaft is coated with the 5th bevel gear；On the doorframe of the 5th bevel gear, vertical interval is installed with the 5th spring bearing and the 7th spring bearing, 5th spring bearing and the 7th spring bearing are vertically coated with the 3rd rotating shaft, 3rd rotating shaft installs, near one end of the 5th bevel gear, the 6th bevel gear mated with the 5th bevel gear, and the other end of the 3rd rotating shaft is coated with the 7th bevel gear；Doorframe near the 7th bevel gear is provided with the horizontally-guided hole A of through doorframe, horizontally-guided hole A is coated with the 4th rotating shaft, 4th rotating shaft is arranged with the 8th bevel gear mated with the 7th bevel gear on the excircle of the 7th bevel gear, and the two ends that the 4th rotating shaft is positioned at inside and outside doorframe are respectively connected with rotating handles；
Also include clutch, described clutch includes fixing axle, L-shaped fork, screw pair and spur rack, described fixing axle is located on the doorframe of the 5th bevel gear, L-shaped fork includes QL and vertical swing arm, what the L crook that the QL of L-shaped fork and vertical swing arm cross rotated is set on fixing axle, QL and vertical swing arm are equipped with long waist-shaped hole near the side of end, first rotating shaft is provided with near the side of upper end in the long waist-shaped hole of the QL being installed on correspondence that bearing pin A, bearing pin A slide；Doorframe near vertical swing arm end is provided with the horizontally-guided hole B of through doorframe, horizontally-guided hole B is coated with spur rack, spur rack is positioned at the two ends of doorframe both sides and is respectively connected with hands handle, it is installed with the 6th spring bearing on the doorframe of B side, horizontally-guided hole, the leading screw of described screw pair is laterally installed in the 6th spring bearing, the side of leading screw end is provided with bearing pin B, bearing pin B rotates in the long waist-shaped hole of the vertical swing arm being installed on correspondence, the excircle of the nut of described screw pair is provided with the gear mated with spur rack, the doorframe of gear side is provided with the opening U-shaped limited block towards gear, gear rotates in the opening of U-shaped limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285022.1U CN205558723U (en) | 2016-04-08 | 2016-04-08 | Make things convenient for automatic electromagnetic shielding door of unblock operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285022.1U CN205558723U (en) | 2016-04-08 | 2016-04-08 | Make things convenient for automatic electromagnetic shielding door of unblock operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205558723U true CN205558723U (en) | 2016-09-07 |
Family
ID=56810381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620285022.1U Withdrawn - After Issue CN205558723U (en) | 2016-04-08 | 2016-04-08 | Make things convenient for automatic electromagnetic shielding door of unblock operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205558723U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625911A (en) * | 2016-04-08 | 2016-06-01 | 河南民生特种装备有限公司 | Automatic electromagnetic shielding door convenient for unlocking operation |
| CN106761225A (en) * | 2016-12-23 | 2017-05-31 | 无锡市海联舰船附件有限公司 | Ship sliding door |
| CN114687638A (en) * | 2020-12-30 | 2022-07-01 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Escape door device suitable for vacuum environment |
-
2016
- 2016-04-08 CN CN201620285022.1U patent/CN205558723U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625911A (en) * | 2016-04-08 | 2016-06-01 | 河南民生特种装备有限公司 | Automatic electromagnetic shielding door convenient for unlocking operation |
| CN106761225A (en) * | 2016-12-23 | 2017-05-31 | 无锡市海联舰船附件有限公司 | Ship sliding door |
| CN114687638A (en) * | 2020-12-30 | 2022-07-01 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Escape door device suitable for vacuum environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205558723U (en) | Make things convenient for automatic electromagnetic shielding door of unblock operation | |
| CN105507780B (en) | Full-automatic electromagnetic screen door with emergency opener | |
| CN204238802U (en) | With the electromagnetic shield door of emergency opening mechanism | |
| CN205558525U (en) | Take emergent opening device's of flexible axle electromagnetic shielding door | |
| CN108199265B (en) | Electric power drawer cabinet device of selectivity unblock | |
| CN205532131U (en) | Emergent opening device's in area full -automatic electromagnetic shield door | |
| CN105672776A (en) | Electromagnetic shielding door with flexible shaft emergency opening device | |
| CN105625911B (en) | The automatic electromagnetic shield door of convenient unblock operation | |
| CN212716284U (en) | Integrated electric window opening device | |
| CN208835571U (en) | A kind of low voltage drawing-out switching carbinet | |
| CN203296565U (en) | Outer opening electric window | |
| CN210948125U (en) | Inwardly opened window ventilation adjusting device | |
| CN209324104U (en) | A kind of communication tower maintenance door | |
| JP2021085321A (en) | Fireproof safety lock | |
| CN103277000A (en) | Out-opening electric window | |
| CN213303113U (en) | Entrance guard's equipment with room associated authority | |
| CN109025565B (en) | Ratchet wheel safety self-locking mechanism and sliding door using same | |
| CN208670228U (en) | A kind of headstock gear of manual bevel gear engagement and screw nut driving | |
| CN213781868U (en) | Cabinet door interlocking device of mining combined switch control cabinet | |
| CN208425036U (en) | A kind of explosion-proof tank for elevator control cabinet | |
| CN211081509U (en) | Take extrapolation of guide rail to open door wall | |
| CN217060160U (en) | VOC gas online monitoring equipment | |
| CN216767144U (en) | Sealed door with escape device | |
| CN213597735U (en) | Derailing prevention device for guide rail and slide rail of shower room | |
| EP3425144B1 (en) | Motor-driven sliding door or window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20170822 |