CN217760495U - Novel electromechanical automatic lock - Google Patents

Novel electromechanical automatic lock Download PDF

Info

Publication number
CN217760495U
CN217760495U CN202221919401.3U CN202221919401U CN217760495U CN 217760495 U CN217760495 U CN 217760495U CN 202221919401 U CN202221919401 U CN 202221919401U CN 217760495 U CN217760495 U CN 217760495U
Authority
CN
China
Prior art keywords
lock
electromagnetic lock
emergency
electromagnetic
lock body
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.)
Active
Application number
CN202221919401.3U
Other languages
Chinese (zh)
Inventor
吴诗舜
谷广杰
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.)
Foshan Xinguangda Automatic Door And Window Engineering Co ltd
Original Assignee
Foshan Xinguangda Automatic Door And Window Engineering 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 Foshan Xinguangda Automatic Door And Window Engineering Co ltd filed Critical Foshan Xinguangda Automatic Door And Window Engineering Co ltd
Priority to CN202221919401.3U priority Critical patent/CN217760495U/en
Application granted granted Critical
Publication of CN217760495U publication Critical patent/CN217760495U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

The utility model discloses a novel electromechanical automatic lock, this automatic lock aim at solving prior art lower automatic lock structure comparatively complicated, and the card is gone up easily to appear among the transmission process, if the tool to lock receives the damage, the later stage is dismantled the maintenance and is got up not very convenient technical problem. The automatic lock comprises an electromagnetic lock body, an unlocking module arranged on the inner side of the electromagnetic lock body and used for unlocking, and an emergency lock body arranged on the right side of the electromagnetic lock body and used for temporary emergency; the electromagnetic lock is characterized in that a magnetic field for power-on is arranged on the inner side of the electromagnetic lock body, an electromagnetic lock cylinder for horizontal movement is arranged on the inner side of the magnetic field, a track for horizontal movement is arranged on the lower side of the electromagnetic lock body, an electromagnetic lock bolt for connecting the track is arranged on the outer side of the electromagnetic lock cylinder, and a rolling door chassis is arranged on the right side of the track. This automatic lock lever piece body can avoid appearing the phenomenon that the card went down in transmission process, and whole simple structure if the tool to lock damages moreover, the later stage is dismantled and is maintained also very conveniently.

Description

Novel electromechanical automatic lock
Technical Field
The utility model belongs to the technical field of the automatic lock, concretely relates to novel electromechanical automatic lock.
Background
Electromechanical automatic lock is a lock that automatic switching of spring bolt was realized to usable magnetic field, compares in general lock, and electromechanical automatic lock triggers mechanical motion after need switching on, produces certain magnetic field in the mechanical motion process, inhales automatic lock inboard through magnetic field with the spring bolt to withdraw the spring bolt, realize the operation of unblanking, along with electromechanical automatic lock's appearance, replaced a lot of traditional mechanical locks, the range of application is also more and more extensive.
At present, a utility model with a patent number of CN201820481645.5 discloses an electromechanical automatic lock, which comprises an installation bottom plate, a locking mechanism, a control mechanism, a driving mechanism and a response mechanism; the driving mechanism comprises a motor; the control mechanism comprises a control gear driven by a motor to rotate, a driving assembly capable of driving the locking mechanism to open and close, and a manual control assembly capable of being linked with the driving assembly, wherein the manual control assembly and the motor are utilized to realize two opening and closing modes of electric control and manual control, and the control gear and the driving wheel are in a non-linkage state during manual control, and the manual control assembly does not drive the control gear to rotate when moving, so that the electric control and the manual control are not interfered with each other, and the situation that the driving wheel rotates to drive the control gear to rotate during manual control, and the motor output shaft rotates when the motor does not work to damage the motor is avoided. But the automatic locking structure of this application scheme is comparatively complicated, and the card is dunked easily to appear among the transmission process, if the tool to lock receives the damage, and it is not very convenient that the later stage is dismantled the maintenance.
Therefore, in order to solve the problem that the automatic lock is easy to jam during the transmission process, it is necessary to improve the use scenario of the automatic lock.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
To prior art not enough, the utility model aims to provide a novel electromechanical automatic lock, this automatic lock aim at solving prior art down the automatic lock structure comparatively complicated, the card appears in the transmission process easily and pauses, if the tool to lock receives the damage, the later stage is dismantled the maintenance and is got up not very convenient technical problem.
(2) Technical scheme
In order to solve the technical problem, the utility model provides a novel electromechanical automatic lock, which comprises an electromagnetic lock body, an unlocking module arranged inside the electromagnetic lock body and used for unlocking, and an emergency lock body arranged at the right side of the electromagnetic lock body and used for temporary emergency; wherein, electromagnetic lock body inboard is equipped with the magnetic field that is used for the circular telegram, the magnetic field inboard is equipped with the electromagnetic lock core that is used for horizontal migration, electromagnetic lock body downside is equipped with the track that is used for horizontal migration, the electromagnetic lock core outside is equipped with and is used for connecting orbital electromagnetic lock spring bolt, the track right side is equipped with the rolling slats door chassis, electromagnetic lock body downside is equipped with and is used for connecting the lever piece body of emergent lock body, electromagnetic lock body inboard is equipped with and is used for fixing the first fixed plate in magnetic field, first fixed plate one side be equipped with the corresponding second fixed plate of first fixed plate, first fixed plate with second fixed plate inboard is equipped with the shutting spring that can elastically stretch out and draw back, electromagnetic lock body inboard is equipped with and is used for the installation the first mounting panel of electromagnetic lock body.
When the automatic lock of the technical scheme is used, firstly, a track is fixed on the right side of a rolling door chassis, then an electromagnetic lock body is fixed on the track, a lever sheet body is fixed on the inner side of the rolling door chassis, after the automatic lock is fixed, an emergency lock body is fixed on the rolling door chassis, the emergency lock body and the electromagnetic lock body can be attached to the lever sheet body, when the electric lock is used, a magnetic field generates a certain magnetic field, so that an electromagnetic lock cylinder is lifted upwards, an electromagnetic lock bolt on the lower side of the electromagnetic lock cylinder is separated from the rolling door chassis, the track and the rolling door chassis can be separated, then the track is pushed towards the left side to move, the track and the rolling door chassis can be separated, if the electromagnetic lock body cannot be electrified, the emergency lock body can be used, the back side of the lever sheet body is pressed downwards, so that the left side of the lever sheet body is lifted upwards, the electromagnetic lock bolt is pushed to the outer side of the rolling door chassis, so that the electromagnetic lock bolt is separated from the rolling door chassis, and then the track is moved towards the left; through the setting of lever piece body, can make electromagnetic lock body and emergent lock body produce the linkage, emergent lock body pushes down the right side of lever piece body, make the left side of lever piece body upwards lift, when the left side of lever piece body upwards lifts, it upwards lifts to drive the electromagnetic lock spring bolt, make the electromagnetic lock spring bolt and rolling slats door chassis separation, the convenience is used under the condition that the electromagnetic lock body damaged, the lever piece body can be avoided appearing the phenomenon that the card pauses in the transmission in-process, moreover, the whole simple structure, if the tool to lock damages, the later stage is dismantled and is maintained also very conveniently.
Preferably, the unlocking module comprises a locking block, an electromagnetic lock locking pin used for moving is arranged on the inner side of the locking block, and the electromagnetic lock locking pin extends downwards to the inner side of a locking tongue of the electromagnetic lock. Through the setting of electromagnetic lock lockpin, can be used for connecting the connection insection dish and insection dish down for the electromagnetic lock spring bolt can link together with last insection dish and insection dish down.
Furthermore, the inner side of the electromagnetic lock body is provided with a limiting block corresponding to the electromagnetic lock pin, the inner side of the limiting block is provided with an elastically telescopic four-position spring, and the outer side of the electromagnetic lock pin is provided with an upper toothed disc used for being connected with the lock tongue of the electromagnetic lock. Through the setting of quadbit spring for the electromagnetic lock lockpin can have certain elasticity, thereby protects the electromagnetic lock lockpin.
Furthermore, a lower insection disc corresponding to the upper insection disc is arranged on the lower side of the upper insection disc, and fixing grooves for fixing the electromagnetic lock lockpins are formed in the inner sides of the upper insection disc and the lower insection disc. Through the setting of fixed slot, can fix electromagnetism round pin nail on last insection dish and insection dish down for the electromagnetism round pin rotates and to drive insection dish and insection dish rotation down, goes up insection dish and is connected for the meshing between insection dish and the electromagnetism round pin nail down, goes up insection dish and insection dish down and can drive the electromagnetic lock spring bolt and remove about pivoted in-process.
Furthermore, the emergency lock body comprises a front emergency lock shell, an emergency lock locking pin used for pressing the lever piece body is arranged on the inner side of the front emergency lock shell, and a lever piece support used for fixing the lever piece body is arranged on the inner side of the rolling door underframe. Through the setting of lever piece support, can fix the lever piece body for the inboard at rolling slats door chassis can be fixed to the lever piece body, makes and can link each other between electromagnetic lock body and the emergent lock body.
Furthermore, the outer side of the shell is provided with a second mounting plate before the emergency lock, the rear side of the shell is provided with an emergency lock rear shell corresponding to the shell before the emergency lock, and the inner side of the shell is provided with a guide wheel for rotation after the emergency lock. Through the setting of second mounting panel, can fix the shell before the emergency lock on the rolling slats door chassis, it is all very convenient that the installation is dismantled.
Furthermore, a first fixing screw used for being connected with the shell before the emergency lock is arranged on the outer side of the shell after the emergency lock, and a second fixing screw used for being connected with the shell before the emergency lock is arranged on the inner side of the underframe of the rolling door. Through the setting of first clamping screw and second clamping screw, can firmly fix emergent lock body on the rolling slats door chassis, it is very convenient to fix.
Furthermore, the track comprises an outer fixed rail, and a fixing strip used for clamping the outer fixed rail is arranged on the inner side of the outer fixed rail. Through the setting of fixed strip, can reduce the area of contact between outer fixed rail and the rolling slats door chassis, avoid removing the in-process friction too much.
Furthermore, the rolling slats door chassis includes the bottom plate, the bottom plate downside is equipped with and is used for supporting the support bar of bottom plate, the bottom plate upside is equipped with and is used for fixing the mount of emergent lock body, the mount upside is equipped with spacing. Through the setting of mount, can be in the same place the mutual laminating of track and mount, also can conveniently fix the emergency lock body simultaneously.
(3) Advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses an automatic lock passes through the setting of lever piece body, can make electromagnetic lock body and emergency lock body produce the linkage, the right side of emergency lock body with lever piece body is pushed down, make the left side of lever piece body upwards lift, when the left side of lever piece body upwards lifts, it upwards lifts to drive the electromagnetic lock spring bolt, make the electromagnetic lock spring bolt and rolling slats door chassis separation, the convenience is used under the condition that the electromagnetic lock body damaged, the phenomenon that the card pauses appears in the transmission in-process can be avoided to lever piece body, and whole simple structure, if the tool to lock damages, the later stage is dismantled the maintenance and is got up also very conveniently.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the automatic lock of the present invention;
FIG. 2 is a schematic structural view of an emergency lock body according to an embodiment of the automatic lock of the present invention;
FIG. 3 is a cross-sectional view of an electromagnetic lock body according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an upper insection plate and a lower insection plate in one embodiment of the automatic lock of the present invention;
FIG. 5 is a schematic structural view of a first fixing screw and a second fixing screw of an embodiment of the automatic lock of the present invention;
FIG. 6 is a schematic structural view of a rail according to an embodiment of the automatic lock of the present invention;
fig. 7 is a schematic structural view of the bottom frame of the automatic locking device of the present invention.
The labels in the figures are: 1. an electromagnetic lock body; 2. an unlocking module; 201. a locking block; 202. an electromagnetic lock pin; 203. a four-position spring; 204. a limiting block; 205. a lower insection disc; 206. a insection disc is arranged; 207. fixing grooves; 3. an emergency lock body; 301. a front shell of the emergency lock; 302. a lever plate holder; 303. a lock pin of an emergency lock; 304. a guide wheel; 305. a first fixing screw; 306. a second fixing screw; 307. a second mounting plate; 4. a magnetic field; 5. a lever plate body; 6. a first fixing plate; 7. a second fixing plate; 8. a locking spring; 9. an electromagnetic lock cylinder; 10. a track; 1001. an outer fixed rail; 1002. a fixing strip; 11. a roller door chassis; 1101. a base plate; 1102. a supporting strip; 1103. a fixed mount; 1104. a limiting strip; 12. a bolt of an electromagnetic lock; 13. a first mounting plate.
Detailed Description
The specific embodiment is a novel electromechanical automatic lock, the structural schematic diagram of which is shown in fig. 1, the automatic lock comprises an electromagnetic lock body 1, an unlocking module 2 arranged inside the electromagnetic lock body 1 and used for unlocking, and an emergency lock body 3 arranged on the right side of the electromagnetic lock body 1 and used for temporary emergency; 1 inboard of electromagnetic lock body is equipped with the magnetic field 4 that is used for the circular telegram, 4 inboards in magnetic field are equipped with the electromagnetic lock core 9 that is used for horizontal migration, 1 downside of electromagnetic lock body is equipped with the track 10 that is used for horizontal migration, the electromagnetic lock core 9 outside is equipped with the electromagnetic lock spring bolt 12 that is used for connecting track 10, track 10 right side is equipped with rolling slats door chassis 11, 1 downside of electromagnetic lock body is equipped with the lever piece body 5 that is used for connecting emergent lock body 3, 1 inboard of electromagnetic lock body is equipped with first fixed plate 6 that is used for fixed magnetic field 4, 6 one side of first fixed plate is equipped with the second fixed plate 7 corresponding with first fixed plate 6, 6 of first fixed plate and 7 inboards are equipped with the shutting spring 8 that can elastically stretch out and draw back, 1 inboard of electromagnetic lock body is equipped with the first mounting panel 13 that is used for installing electromagnetic lock body 1.
Aiming at the specific embodiment, the tail end of the lock tongue 12 of the electromagnetic lock is in a circular arc shape, and can be set as required.
Wherein, unlocking module 2 includes locking piece 201, locking piece 201 inboard is equipped with the electromagnetic lock lockpin 202 that is used for the removal, electromagnetic lock lockpin 202 downwardly extending to electromagnetic lock spring bolt 12 is inboard, electromagnetic lock body 1 inboard is equipped with the stopper 204 corresponding with electromagnetic lock lockpin 202, stopper 204 inboard is equipped with the four-digit spring 203 that can stretch out and draw back elastically, the electromagnetic lock lockpin 202 outside is equipped with the last insection dish 206 that is used for connecting electromagnetic lock spring bolt 12, it is equipped with the lower insection dish 205 corresponding with last insection dish 206 to go up insection dish 206 downside, go up insection dish 206 and the inboard fixed slot 207 who is used for fixed electromagnetic lock lockpin 202 of seting up of insection dish 205 down.
Secondly, shell 301 before emergent lock body 3 includes emergent lock, shell 301 inboard is equipped with the emergent lock lockpin 303 that is used for pressing down lever piece body 5 before the emergent lock, 11 inboards of rolling slats door chassis are equipped with lever piece support 302 that is used for fixed lever piece body 5, the shell 301 outside is equipped with second mounting panel 307 before the emergent lock, shell 301 rear side is equipped with the emergent lock back shell that corresponds with shell 301 before the emergent lock, shell inboard is equipped with and is used for pivoted leading wheel 304 after the emergent lock, the shell outside is equipped with the first fixing screw 305 that is used for connecting shell 301 before the emergent lock after the emergent lock, 11 inboards of rolling slats door chassis are equipped with the second fixing screw 306 that is used for connecting shell 301 before the emergent lock.
In addition, the track 10 includes an outer fixed rail 1001, a fixing strip 1002 for clamping the outer fixed rail 1001 is arranged on the inner side of the outer fixed rail 1001, the rolling door chassis 11 includes a soleplate 1101, a supporting strip 1102 for supporting the soleplate 1101 is arranged on the lower side of the soleplate 1101, a fixing frame 1103 for fixing the emergency lock body 3 is arranged on the upper side of the soleplate 1101, and a limiting strip 1104 is arranged on the upper side of the fixing frame 1103. The length of the position-limiting bar 1104 is identical to the length of the fixing frame 1103 and the soleplate 1101.
The emergency lock body of the automatic lock is shown in figure 2, the electromagnetic lock body is shown in figure 3 in cross section, the upper fluted disc and the lower fluted disc are shown in figure 4 in structural schematic view, the first fixing screw and the second fixing screw are shown in figure 5 in structural schematic view, the track is shown in figure 6 in structural schematic view, and the underframe of the rolling door is shown in figure 7 in structural schematic view.
It should be noted that the model and specification of the electromagnetic lock body 1 can be set according to the requirement.
When the automatic locking device of the technical scheme is used, firstly, the track 10 is fixed on the right side of the rolling door underframe 11, then the electromagnetic lock body 1 is fixed on the track 10, the lever sheet body 5 is fixed on the inner side of the rolling door underframe 11, after the fixing is finished, the emergency lock body 3 is fixed on the rolling door underframe 11, the emergency lock body 3 and the electromagnetic lock body 1 can be attached to the lever sheet body 5, when the electric lock is used, the magnetic field 4 generates a certain magnetic field 4, the electromagnetic lock cylinder 9 is lifted upwards, the electromagnetic lock bolt 12 on the lower side of the electromagnetic lock cylinder 9 is separated from the rolling door underframe 11, the track 10 and the rolling door underframe 11 can be separated, then the track 10 is pushed to the left side to move, the track 10 and the rolling door underframe 11 can be separated, if the electromagnetic lock body 1 cannot be powered on, the emergency lock body 3 can be used, the rear side of the lever sheet body 5 is pressed downwards, the left side of the lever sheet body 5 is lifted upwards, the electromagnetic lock bolt 12 is pushed to the outer side of the underframe 11, the electromagnetic lock bolt 12 is separated from the rolling door underframe 11, and then the track 10 can be moved to the left side.

Claims (9)

1. A novel electromechanical automatic lock comprises an electromagnetic lock body (1), an unlocking module (2) arranged on the inner side of the electromagnetic lock body (1) and used for unlocking, and an emergency lock body (3) arranged on the right side of the electromagnetic lock body (1) and used for temporary emergency; the emergency lock is characterized in that a magnetic field (4) used for power on is arranged on the inner side of the electromagnetic lock body (1), an electromagnetic lock cylinder (9) used for horizontal movement is arranged on the inner side of the magnetic field (4), a track (10) used for horizontal movement is arranged on the lower side of the electromagnetic lock body (1), an electromagnetic lock bolt (12) used for connecting the track (10) is arranged on the outer side of the electromagnetic lock cylinder (9), a roller shutter door chassis (11) is arranged on the right side of the track (10), a lever sheet body (5) used for connecting the emergency lock body (3) is arranged on the lower side of the electromagnetic lock body (1), electromagnetic lock body (1) inboard is equipped with and is used for fixing first fixed plate (6) of magnetic field (4), first fixed plate (6) one side be equipped with corresponding second fixed plate (7) of first fixed plate (6), first fixed plate (6) with second fixed plate (7) inboard is equipped with elastic expansion's blocking spring (8), electromagnetic lock body (1) inboard is equipped with and is used for the installation first mounting panel (13) of electromagnetic lock body (1).
2. The novel electromechanical automatic lock according to claim 1, characterized in that the unlocking module (2) comprises a lock block (201), an electromagnetic lock pin (202) for moving is arranged inside the lock block (201), and the electromagnetic lock pin (202) extends downwards to the inside of the electromagnetic lock bolt (12).
3. The electromechanical automatic lock according to claim 2, characterized in that a limiting block (204) corresponding to the electromagnetic lock pin (202) is provided inside the electromagnetic lock body (1), a four-position spring (203) capable of elastically stretching is provided inside the limiting block (204), and an upper fluted disc (206) for connecting the electromagnetic lock bolt (12) is provided outside the electromagnetic lock pin (202).
4. The novel electromechanical automatic lock according to claim 3, characterized in that a lower insection disc (205) corresponding to the upper insection disc (206) is arranged on the lower side of the upper insection disc (206), and fixing grooves (207) for fixing the electromagnetic lock pin (202) are arranged on the inner sides of the upper insection disc (206) and the lower insection disc (205).
5. The novel electromechanical automatic lock according to claim 4, characterized in that the emergency lock body (3) comprises an emergency lock front shell (301), an emergency lock locking pin (303) for pressing the lever piece body (5) is arranged inside the emergency lock front shell (301), and a lever piece support (302) for fixing the lever piece body (5) is arranged inside the rolling door chassis (11).
6. The novel electromechanical automatic lock according to claim 5, characterized in that a second mounting plate (307) is arranged outside the emergency lock front shell (301), an emergency lock rear shell corresponding to the emergency lock front shell (301) is arranged behind the emergency lock front shell (301), and a guide wheel (304) for rotation is arranged inside the emergency lock rear shell.
7. The electromechanical automatic lock according to claim 6, characterized in that the outside of the rear housing of said emergency lock is provided with a first fixing screw (305) for connecting with the front housing (301) of said emergency lock, and the inside of the chassis (11) of said rolling door is provided with a second fixing screw (306) for connecting with the front housing (301) of said emergency lock.
8. The electromechanical automatic lock according to claim 7, characterized in that said rail (10) comprises an outer fixed rail (1001), said outer fixed rail (1001) being provided inside with a fixing strip (1002) for clamping said outer fixed rail (1001).
9. The novel electromechanical automatic lock according to claim 8, characterized in that the rolling door chassis (11) comprises a bottom plate (1101), a support strip (1102) for supporting the bottom plate (1101) is arranged on the lower side of the bottom plate (1101), a fixing frame (1103) for fixing the emergency lock body (3) is arranged on the upper side of the bottom plate (1101), and a limit strip (1104) is arranged on the upper side of the fixing frame (1103).
CN202221919401.3U 2022-07-21 2022-07-21 Novel electromechanical automatic lock Active CN217760495U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221919401.3U CN217760495U (en) 2022-07-21 2022-07-21 Novel electromechanical automatic lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221919401.3U CN217760495U (en) 2022-07-21 2022-07-21 Novel electromechanical automatic lock

Publications (1)

Publication Number Publication Date
CN217760495U true CN217760495U (en) 2022-11-08

Family

ID=83878381

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221919401.3U Active CN217760495U (en) 2022-07-21 2022-07-21 Novel electromechanical automatic lock

Country Status (1)

Country Link
CN (1) CN217760495U (en)

Similar Documents

Publication Publication Date Title
CN111162227B (en) Battery self-locking mechanism and battery replacing device
CN217760495U (en) Novel electromechanical automatic lock
CN115012737A (en) Novel electromechanical automatic lock
CN110978844A (en) Paper punching and binding device
CN210313078U (en) Mechanical protection device for elevator door
CN109340714A (en) A kind of car light of electrocar easy to use more changing device
CN217870317U (en) Gate locking device
CN115000835B (en) Expandable combined power distribution cabinet
CN114129034B (en) Electric curtain control device
CN215632245U (en) Motor separation and reunion release mechanism
CN209381830U (en) The barcode scanning formula charging unit of electric car
CN208649752U (en) A kind of garment production Scissoring device
CN201124877Y (en) Two-wheeled support locking device capable of realizing centralized control
CN111364842A (en) Electric control lock with door closer
CN216994647U (en) Intelligent multipurpose tap lock
CN110326912A (en) Sliding rail unlocking mechanism
CN221113480U (en) Replaceable sun-shading roller shutter for automobile sunroof
CN210941757U (en) Automatic reversing synchronous unlocking mechanism for seat
CN211442308U (en) Clutch type electric reversing device for seat
CN220504422U (en) Door and window installation auxiliary stand
CN220539479U (en) Mechanism for automatically opening and closing door driven by motor
CN217269892U (en) Electric rolling shutter door
CN212271847U (en) Electric control lock with door closer
CN218376005U (en) Novel intelligence door window glass goes up and down device
CN202031385U (en) Invisible lockset

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant