CN212249734U - Linkage safety door with protection function - Google Patents
Linkage safety door with protection function Download PDFInfo
- Publication number
- CN212249734U CN212249734U CN202021004341.3U CN202021004341U CN212249734U CN 212249734 U CN212249734 U CN 212249734U CN 202021004341 U CN202021004341 U CN 202021004341U CN 212249734 U CN212249734 U CN 212249734U
- Authority
- CN
- China
- Prior art keywords
- rod
- emergency exit
- door
- safety door
- linkage
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a linkage emergency exit with safeguard function relates to linkage emergency exit technical field, specifically includes emergency exit and trachea for the linkage emergency exit with safeguard function, linkage locking mechanism is installed to the front end of emergency exit, and one side of linkage locking mechanism installs pet door mechanism, the frame is installed to pet door mechanism's top, and the inside of frame is provided with the inert gas jar, one side of inert gas jar is connected with the connecting pipe, and one side of connecting pipe is connected with the air pump, the trachea is located one side of air pump, the door frame is installed to one side of emergency exit, and the inside of door frame is provided with the gasbag. This air pump that linkage emergency exit with safeguard function set up can be effectual with the inside gaseous leading-in to the inside of gasbag along connecting pipe and trachea of inert gas jar for the gasbag can effectually compensate the clearance between emergency exit and the door frame, can effectually avoid outside harmful gas to overflow into, makes the emergency exit can effectually provide efficient gas protection for the user.
Description
Technical Field
The utility model relates to a linkage emergency exit technical field specifically is a linkage emergency exit with safeguard function.
Background
With the progress of the times, the safety door is not limited to be used for checking tickets in places such as airports, subways and the like, but is more operated in high-grade office buildings, libraries, movie theaters, factory enterprises, exhibition centers, stadiums, tourist attractions and the like, a rapid, smooth and efficient two-way controllable channel is provided for you, and the safety door is matched with a competitive and high-quality safe passing control system. The efficient door wing sliding system and the wiredrawing stainless steel surface material create an attractive appearance, and the practical and attractive requirements of most indoor building designs are met. The unique design makes it can be applicable to various passageway monitoring environment, can carry out the installation of single channel and multichannel, realizes the use function of collocation with most entrance guard control systems.
The linkage emergency exit that has now is in the use, and the linkage emergency exit is closed untight easily, reduces the protective effect that the linkage emergency exit provides for gas, leads to harmful gas to spill into, endangers user's safety to and can not be fine provide the passageway that conveniently opens and shuts for the pet, and can not be fine provide the shortcoming of convenient locking for the linkage emergency exit.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a linkage emergency exit with safeguard function has solved and has proposed current linkage emergency exit in the above-mentioned background art in the use, and the linkage emergency exit is closed not tight easily, reduces the protective effect that the linkage emergency exit provides for gas, leads to harmful gas to spill into, endangers user's safety to and can not be fine provide the convenient passageway that opens and shuts for the pet, and can not be fine provide the problem of convenient locking for the linkage emergency exit.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: linkage emergency exit with safeguard function, including emergency exit and trachea, linkage locking mechanism is installed to the front end of emergency exit, and one side of linkage locking mechanism installs pet door mechanism, the frame is installed to pet door mechanism's top, and the inside of frame is provided with the inert gas jar, one side of inert gas jar is connected with the connecting pipe, and one side of connecting pipe is connected with the air pump, the trachea is located one side of air pump, the door frame is installed to one side of emergency exit, and the inside of door frame is provided with the gasbag, the jack has been seted up to the bottom of door frame inner wall, the camera is installed to the rear end of emergency exit, and the calling machine is installed to the below of camera.
Optionally, linkage locking mechanism includes guide way frame, guide rack, adjusting gear, hand wheel pole, push rod, connecting rod, locating pin and inserted bar, the inside of guide way frame is provided with guide rack, and one side of guide rack installs adjusting gear, the inside of adjusting gear has run through the hand wheel pole, the below of guide rack is connected with the push rod, and the below of push rod is connected with the connecting rod, the middle part of connecting rod has run through the locating pin, one side of connecting rod is connected with the inserted bar.
Optionally, the guide rack is engaged with the adjusting gear, and the adjusting gear is in threaded connection with the hand wheel rod.
Optionally, threaded connection is adopted between the guide rack and the push rod, pin connection is adopted between the push rod and the connecting rod, the connecting rod forms a rotating structure with the safety door through the positioning pin, and pin connection is adopted between the connecting rod and the inserted rod.
Optionally, the pet door mechanism includes the pet door body, the free bearing, the fixed axle, dead lever, connecting axle, lead screw uide bushing post, propelling movement lead screw, regulation straight line lead screw motor, fixed column, return spring, locking lever and lock cover, one side of the pet door body is connected with the free bearing, the top of the pet door body is connected with the fixed axle, and the top of fixed axle is connected with the dead lever, the connecting axle has been run through to one side of dead lever, and the rear end of connecting axle installs the lead screw uide bushing post, the propelling movement lead screw has been run through to the inside of lead screw uide bushing post, and one side of propelling movement lead screw is connected with the regulation straight line lead screw motor, the fixed column is installed to the bottom of the pet door body front end, and the inside of fixed column is provided with return spring, the inside of return spring.
Optionally, be swing joint between the pet door body and the fixed axle, and be swing joint between fixed axle and the dead lever, be swing joint between dead lever and the connecting axle, and be swing joint between connecting axle and the lead screw uide bushing post to the inside of lead screw uide bushing post is run through and is pushed the lead screw.
Optionally, the pet door body and the fixing column are welded, the fixing column and the lock rod form an elastic structure through a return spring, and the lock rod penetrates through the inside of the lock sleeve.
Optionally, the inert gas tank forms a communicating structure with the air bag through a connecting pipe, the air pump and the air pipe, the air bag is bonded with the door frame, the camera is in threaded connection with the safety door, and the safety door is in threaded connection with the calling machine.
The utility model provides a linkage emergency exit with safeguard function possesses following beneficial effect:
1. this linkage emergency exit with safeguard function is provided with coordinated locking mechanism, hand wheel pole promotes the vertical central line direction removal of guide rack along the guide way frame through adjusting gear, make the guide rack act on the connecting rod with thrust, the connecting rod can effectually rotate along the outside of locating pin, can the effectual turned angle who changes the connecting rod, and can rotate the connecting rod to suitable angle, until running through the inside of income jack with the inserted bar, make the emergency exit pass through coordinated locking mechanism and be connected between the door frame, thereby can effectual restriction emergency exit and the door frame between the position, can make the emergency exit can effectual closed door frame.
2. This linkage emergency exit with safeguard function is provided with pet door mechanism, adjust sharp lead screw motor and can effectually promote lead screw uide bushing post along the horizontal direction removal through the propelling movement lead screw, make the dead lever rotate along the outside of connecting axle, and can effectually rotate the pet door body to suitable angle, thereby can effectual improvement the convenience of the pet door body that opens and shuts, and return spring can effectually promote the locking lever and remove along the vertical central line direction of fixed column, until penetrating the inside of lock sleeve with the locking lever, can effectually be connected between the emergency exit and the pet door body, thereby can the position of the effectual restriction door body and emergency exit.
3. This linkage emergency exit with safeguard function is provided with air pump and gasbag, and the air pump can be effectual with the inside gas of inert gas jar leading-in to the inside of gasbag along connecting pipe and trachea for the gasbag can effectually compensate the clearance between emergency exit and the door frame, can effectually avoid outside harmful gas to overflow into, influences the safeguard effect of emergency exit, makes the emergency exit can effectually provide efficient gas protection for the user.
4. This linkage emergency exit with safeguard function is provided with camera and calling machine, can effectual record personnel's of coming and going image through the camera to and can effectually provide the image of emergency exit front end for the user, and calling machine can provide the warning service for the personnel of coming and going, makes calling machine transmission information that can be timely.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic rear view of the safety door of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a partial enlarged structure at B of FIG. 1 according to the present invention;
fig. 5 is a schematic view of the enlarged structure of the part C in fig. 1 according to the present invention.
In the figure: 1. a safety door; 2. a linkage locking mechanism; 201. a guide slot frame; 202. a guide rack; 203. an adjusting gear; 204. a hand wheel lever; 205. a push rod; 206. a connecting rod; 207. positioning pins; 208. inserting a rod; 3. a pet door mechanism; 301. a pet door body; 302. hinging seat; 303. a fixed shaft; 304. fixing the rod; 305. a connecting shaft; 306. a screw rod guide sleeve column; 307. pushing the screw rod; 308. adjusting a linear screw motor; 309. fixing a column; 310. a return spring; 311. a lock lever; 312. a lock sleeve; 4. a frame; 5. an inert gas tank; 6. a connecting pipe; 7. an air pump; 8. an air tube; 9. a door frame; 10. an air bag; 11. a jack; 12. a camera; 13. and (4) calling the machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a technical solution: a linkage safety door with a protection function comprises a safety door 1 and an air pipe 8, wherein a linkage locking mechanism 2 is installed at the front end of the safety door 1, a pet door mechanism 3 is installed on one side of the linkage locking mechanism 2, the linkage locking mechanism 2 comprises a guide groove frame 201, a guide rack 202, an adjusting gear 203, a hand wheel rod 204, a push rod 205, a connecting rod 206, a positioning pin 207 and an inserting rod 208, the guide rack 202 is arranged inside the guide groove frame 201, the adjusting gear 203 is installed on one side of the guide rack 202, the hand wheel rod 204 penetrates through the inside of the adjusting gear 203, the push rod 205 is connected below the guide rack 202, the connecting rod 206 is connected below the push rod 205, the positioning pin 207 penetrates through the middle part of the connecting rod 206, the inserting rod 208 is connected on one side of the connecting rod 206, the guide rack 202 is meshed with the adjusting gear 203, and the adjusting gear 203 is in threaded connection with the hand wheel rod 204, the guide rack 202 and the push rod 205 are in threaded connection, the push rod 205 and the connecting rod 206 are in pin connection, the connecting rod 206 forms a rotating structure with the safety door 1 through the positioning pin 207, the connecting rod 206 and the insert rod 208 are in pin connection, a rotating force can be applied to the hand wheel rod 204, so that the hand wheel rod 204 pushes the guide rack 202 to move along the vertical central line direction of the guide slot frame 201 through the adjusting gear 203, the guide rack 202 and the push rod 205 are in threaded connection, and the push rod 205 and the connecting rod 206 are in pin connection, so that the guide rack 202 applies a pushing force to the connecting rod 206, the connecting rod 206 can effectively rotate along the outer part of the positioning pin 207, and the positioning pin 207 and the insert rod 208 are in pin connection, the rotating angle of the connecting rod 206 can be effectively changed, and the connecting rod 206 can be rotated to a proper angle until the insert rod 208 penetrates into the insert hole, the safety door 1 is connected with the door frame 9 through the linkage locking mechanism 2, so that the position between the safety door 1 and the door frame 9 can be effectively limited, and the door frame 9 can be effectively closed by the safety door 1;
the pet door mechanism 3 comprises a pet door body 301, a hinged support 302, a fixed shaft 303, a fixed rod 304, a connecting shaft 305, a screw rod guide sleeve column 306, a push screw rod 307, an adjusting linear screw rod motor 308, a fixed column 309, a return spring 310, a lock rod 311 and a lock sleeve 312, wherein one side of the pet door body 301 is connected with the hinged support 302, the fixed shaft 303 is connected above the pet door body 301, the fixed rod 304 is connected above the fixed shaft 303, the connecting shaft 305 penetrates through one side of the fixed rod 304, the screw rod guide sleeve column 306 is installed at the rear end of the connecting shaft 305, the push screw rod 307 penetrates through the inside of the screw rod guide sleeve column 306, the adjusting linear screw rod motor 308 is connected at one side of the push screw rod 307, the fixed column 309 is installed at the bottom of the front end of the pet door body 301, the return spring 310 is arranged inside the fixed column 309, the lock rod 311 penetrates through the, the pet door body 301 is movably connected with the fixed shaft 303, the fixed shaft 303 is movably connected with the fixed rod 304, the fixed rod 304 is movably connected with the connecting shaft 305, the connecting shaft 305 is movably connected with the screw rod guide sleeve column 306, the push screw rod 307 penetrates through the screw rod guide sleeve column 306, under the action of the adjusting linear screw rod motor 308, the screw rod guide sleeve column 306 can be effectively pushed to move along the horizontal direction through the push screw rod 307, the screw rod guide sleeve column 306 is movably connected with the connecting shaft 305, the fixed rod 304 is connected with the pet door body 301 through the fixed shaft 303, at the moment, the fixed rod 304 rotates along the outer part of the connecting shaft 305, the pet door body 301 can be effectively rotated to a proper angle, and therefore the convenience of opening and closing the pet door body 301 can be effectively improved;
the pet door body 301 and the fixing column 309 are welded, the fixing column 309 and the lock rod 311 form an elastic structure through the return spring 310, the lock rod 311 penetrates through the inside of the lock sleeve 312, when the door body 301 closes the safety door 1, the lock rod 311 can be effectively pushed to move along the vertical central line direction of the fixing column 309 under the action of the return spring 310 until the lock rod 311 penetrates through the inside of the lock sleeve 312, the safety door 1 and the pet door body 301 can be effectively connected, and therefore the positions of the door body 301 and the safety door 1 can be effectively limited;
a frame 4 is installed above the pet door mechanism 3, an inert gas tank 5 is arranged inside the frame 4, one side of the inert gas tank 5 is connected with a connecting pipe 6, one side of the connecting pipe 6 is connected with an air pump 7, an air pipe 8 is positioned at one side of the air pump 7, one side of the safety door 1 is provided with a door frame 9, and an air bag 10 is arranged inside the door frame 9;
the bottom of the inner wall of the door frame 9 is provided with a jack 11, the rear end of the safety door 1 is provided with a camera 12, a calling machine 13 is arranged below the camera 12, the idle air tank 5 and the air bag 10 form a communicating structure through a connecting pipe 6, an air pump 7 and an air pipe 8, the air bag 10 is bonded with the door frame 9, the camera 12 is in threaded connection with the safety door 1, the safety door 1 is in threaded connection with the calling machine 13, and under the action of the air pump 7, the gas in the idle air tank 5 can be effectively guided into the air bag 10 along the connecting pipe 6 and the air pipe 8, so that the air bag 10 can effectively make up the gap between the safety door 1 and the door frame 9, the overflow of external harmful gas can be effectively avoided, the protection effect of the safety door 1 is influenced, and the safety door 1 can effectively provide efficient gas protection for; the camera 12 can effectively record the images of the coming and going persons and can effectively provide the images of the front end of the safety door 1 for the user, and the calling machine 13 can provide reminding services for the coming and going persons, so that the calling machine 13 can transmit information in time.
In conclusion, when the linked safety door with the protection function is used, a user can close the space between the safety door 1 and the door frame 9, then, the user applies a rotational force to the hand wheel lever 204, so that the hand wheel lever 204 pushes the guide rack 202 to move in the vertical center line direction of the guide slot frame 201 through the adjustment gear 203, the guide rack 202 is connected with the push rod 205 in a threaded manner, the push rod 205 is connected with the connecting rod 206 in a pin manner, so that the guide rack 202 applies a pushing force to the connecting rod 206, the connecting rod 206 can effectively rotate along the outside of the positioning pin 207, the positioning pin 207 is connected with the insertion rod 208 through a pin, so that the rotation angle of the connecting rod 206 can be effectively changed until the connecting rod 206 is rotated to a proper angle, at the moment, the insertion rod 208 penetrates into the insertion hole 11, the safety door 1 is connected with the door frame 9 through the linkage locking mechanism 2, so that the position between the safety door 1 and the door frame 9 can be effectively limited; secondly, the air pump 7 is started, so that the air pump 7 guides the air in the inert gas tank 5 into the air bag 10 along the connecting pipe 6 and the air pipe 8, so that the air bag 10 can effectively make up the gap between the safety door 1 and the door frame 9, then the linear adjusting screw motor 308 is started, so that the linear adjusting screw motor 308 pushes the screw rod guide sleeve column 306 to move along the horizontal direction through the pushing screw rod 307, the screw rod guide sleeve column 306 is movably connected with the connecting shaft 305, and the fixed rod 304 is connected with the pet door body 301 through the fixed shaft 303, at this time, the fixed rod 304 rotates along the outer part of the connecting shaft 305 until the pet door body 301 is pushed to a proper angle, so that the pet door body 301 closes the safety door 1, then the return spring 310 pushes the lock rod 311 to move along the vertical central line direction of the fixed rod 309 until the lock rod 311 penetrates into the lock, can be effectively connected between the safety door 1 and the pet door body 301.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (8)
1. Linkage emergency exit with safeguard function, including emergency exit (1) and trachea (8), its characterized in that: linkage locking mechanism (2) are installed to the front end of emergency exit (1), and one side of linkage locking mechanism (2) installs pet door mechanism (3), frame (4) are installed to the top of pet door mechanism (3), and the inside of frame (4) is provided with idle gas jar (5), one side of idle gas jar (5) is connected with connecting pipe (6), and one side of connecting pipe (6) is connected with air pump (7), trachea (8) are located one side of air pump (7), door frame (9) are installed to one side of emergency exit (1), and the inside of door frame (9) is provided with gasbag (10), jack (11) have been seted up to the bottom of door frame (9) inner wall, camera (12) are installed to the rear end of emergency exit (1), and calling machine (13) are installed to the below of camera (12).
2. The linked safety door with a safeguard function according to claim 1, characterized in that: linkage locking mechanism (2) are including guide way frame (201), guide rack (202), adjusting gear (203), hand wheel pole (204), push rod (205), connecting rod (206), locating pin (207) and inserted bar (208), the inside of guide way frame (201) is provided with guide rack (202), and one side of guide rack (202) installs adjusting gear (203), hand wheel pole (204) have been run through to the inside of adjusting gear (203), the below of guide rack (202) is connected with push rod (205), and the below of push rod (205) is connected with connecting rod (206), locating pin (207) have been run through to the middle part of connecting rod (206), one side of connecting rod (206) is connected with inserted bar (208).
3. The linked safety door with a safeguard function according to claim 2, characterized in that: the guide rack (202) is meshed with the adjusting gear (203), and the adjusting gear (203) is in threaded connection with the hand wheel rod (204).
4. The linked safety door with a safeguard function according to claim 2, characterized in that: be threaded connection between guide rack (202) and push rod (205), and be pin junction between push rod (205) and connecting rod (206), rotating-structure is formed through between locating pin (207) and emergency exit (1) in connecting rod (206), and is pin junction between connecting rod (206) and inserted bar (208).
5. The linked safety door with a safeguard function according to claim 1, characterized in that: the pet door mechanism (3) comprises a pet door body (301), a hinged support (302), a fixed shaft (303), a fixed rod (304), a connecting shaft (305), a screw rod guide sleeve column (306), a pushing screw rod (307), an adjusting linear screw rod motor (308), a fixed column (309), a return spring (310), a locking rod (311) and a lock sleeve (312), wherein the hinged support (302) is connected to one side of the pet door body (301), the fixed shaft (303) is connected to the upper side of the pet door body (301), the fixed rod (304) is connected to the upper side of the fixed shaft (303), the connecting shaft (305) penetrates through one side of the fixed rod (304), the screw rod guide sleeve column (306) is installed at the rear end of the connecting shaft (305), the pushing screw rod (307) penetrates through the inside of the screw rod guide sleeve column (306), and the adjusting linear screw rod motor (308) is connected to one side, fixed column (309) is installed to the bottom of pet door body (301) front end, and the inside of fixed column (309) is provided with return spring (310), return spring (310)'s inside has run through locking lever (311), and locking collar (312) are installed to the below of locking lever (311).
6. The linked safety door with a safeguard function according to claim 5, characterized in that: the pet door body (301) is movably connected with the fixed shaft (303), the fixed shaft (303) is movably connected with the fixed rod (304), the fixed rod (304) is movably connected with the connecting shaft (305), the connecting shaft (305) is movably connected with the screw rod guide sleeve column (306), and a push screw rod (307) penetrates through the inside of the screw rod guide sleeve column (306).
7. The linked safety door with a safeguard function according to claim 5, characterized in that: the pet door body (301) and the fixing column (309) are welded, the fixing column (309) and the lock rod (311) form an elastic structure through the return spring (310), and the lock rod (311) penetrates through the inside of the lock sleeve (312).
8. The linked safety door with a safeguard function according to claim 1, characterized in that: the safety door is characterized in that the inert gas tank (5) is in a communicated structure with the air bag (10) through a connecting pipe (6), an air pump (7) and an air pipe (8), the air bag (10) is bonded with the door frame (9), the camera (12) is in threaded connection with the safety door (1), and the safety door (1) is in threaded connection with the calling machine (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021004341.3U CN212249734U (en) | 2020-06-04 | 2020-06-04 | Linkage safety door with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021004341.3U CN212249734U (en) | 2020-06-04 | 2020-06-04 | Linkage safety door with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212249734U true CN212249734U (en) | 2020-12-29 |
Family
ID=73978407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021004341.3U Expired - Fee Related CN212249734U (en) | 2020-06-04 | 2020-06-04 | Linkage safety door with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212249734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502502A (en) * | 2020-06-04 | 2020-08-07 | 南通中天精密仪器有限公司 | Linkage safety door with protection function |
-
2020
- 2020-06-04 CN CN202021004341.3U patent/CN212249734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502502A (en) * | 2020-06-04 | 2020-08-07 | 南通中天精密仪器有限公司 | Linkage safety door with protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212249734U (en) | Linkage safety door with protection function | |
| AU676366B2 (en) | Security device for roll-up blinds assembled from slats | |
| CN105696913A (en) | Double-open sliding plug door system | |
| US10526829B2 (en) | Lift glide door lock assembly and lift glide window lock assembly | |
| US6189265B1 (en) | One- or two-leaf sliding door, swinging door or pocket door | |
| CN105683477A (en) | System for sliding a door | |
| CN111502502A (en) | Linkage safety door with protection function | |
| JP2003175820A (en) | Movable platform rack device | |
| US20050284026A1 (en) | Shutter drive and lock assembly | |
| CN211874308U (en) | Automatic locking civil air defense door | |
| US3763594A (en) | Doors with electro-mechanical operating means | |
| KR102238734B1 (en) | Full open type emergency escape automatic door | |
| KR100808649B1 (en) | An emergency door device of platform screen door for subway | |
| JP2000108889A (en) | Opening/closing fence for platform | |
| CN108533115B (en) | Driving assembly of electric sliding door and window | |
| US20190085593A1 (en) | Lift glide door lock assembly & lift glide window lock assembly & dual lift glide door lock assembly & dual lift glide window lock assembly | |
| CN205577702U (en) | Automatic nut component of door actuating system | |
| KR200180533Y1 (en) | Roller structure to open-close of a sliding window | |
| CN213597735U (en) | Derailing prevention device for guide rail and slide rail of shower room | |
| CN215056954U (en) | Cross sliding rolling door | |
| CN219217206U (en) | Protective door assembly of construction elevator | |
| CN221191203U (en) | Elevator connection structure | |
| CN214532542U (en) | Low-rail lifting sliding door structure | |
| CN216381179U (en) | Stair entrance guard | |
| CN213330483U (en) | Subway sliding door unlocking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 Termination date: 20210604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |