CN203668850U - Automatic wing gate core device and automatic wing gate - Google Patents
Automatic wing gate core device and automatic wing gate Download PDFInfo
- Publication number
- CN203668850U CN203668850U CN201320708601.9U CN201320708601U CN203668850U CN 203668850 U CN203668850 U CN 203668850U CN 201320708601 U CN201320708601 U CN 201320708601U CN 203668850 U CN203668850 U CN 203668850U
- Authority
- CN
- China
- Prior art keywords
- crank
- belt wheel
- gate
- wing gate
- automatic wing
- 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 - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims description 73
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000007885 magnetic separation Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses an automatic wing gate core device. The automatic wing gate core device comprises a gate core machine frame, a motor, a transmission mechanism, a crank rocker mechanism and a gate, wherein the motor, the transmission mechanism, the crank rocker mechanism and the gate are arranged on the gate core machine frame. The transmission mechanism comprises a first belt pulley and a second belt pulley. The first belt pulley is connected to the output end of the motor, and the first belt pulley drives the second belt pulley through a driving belt. The crank rocker mechanism comprises a crank, a sliding part and a rocker. The crank, the sliding part and the rocker form a closed plane four-bar mechanism, the crank is coaxial with the second belt pulley, a magnetic piece is arranged between the crank and the second belt pulley, and the crank and the second belt pulley are attracted on a joint face; the gate is fixed to the rocker. A magnetic separation and reunion safety protection device for preventing torque overload is formed between the second belt pulley and the crank, and therefore the motor is effectively prevented from rotating in a blocked mode and the personal safety of passing personnel is guaranteed. The utility model further discloses an automatic wing gate with the automatic wing gate core device used.
Description
Technical field
The utility model relates to security protection facility field, particularly relates to automatic wing gate core and automatic wing gate.
Background technology
Personnel access lock uses more and more in actual life, at sight spot, the particular place such as market, station, office building, subway, harbour, all need to install automatic channel gate, by swiping the card, the mode such as fingerprint detects the pedestrian by passage, to facilitate the safeguard management of each place to personnel, maintaining the safe order in public place, is the most fast and simple current personnel's access management facility.Automatically wing lock passage is owing to having fast response time, and the feature that the traffic capacity is strong, applies wider in above-mentioned place.
Usually, the kind of drive of wing lock passage movement has two kinds, and one is to adopt gear drive, and another kind is belt transmission, skids to realize mechanical and electrical safety and anti-pinch by belt transmission.The first movement seems that at safeguard protection and the anti-pinch design aspect of hurting sb.'s feelings rigidity is too strong; rely on the anti-pinch protection function of infrared sensor completely; running into improper moment once infrared sensor control inefficacy stops; gate driving moment is difficult to weaken, and will affect passage parts and current personnel's safety.In the second kind of drive, the tension force of belt determines friction factor, and tension force is tight, and transmission efficiency is high, is difficult for skidding, but easily hurts sb.'s feelings; Belt tension is pine too, affects transmission efficiency, easily skids, and transmission is unable.Therefore, belt transmission cannot effectively realize mechanical and electrical safety and safe anti-pinch.
Utility model content
Based on this, be necessary to provide a kind of automatic wing gate movement device and automatic wing gate that prevents motor rotation blockage and the current safety of guarantee personnel.
A kind of wing gate movement device automatically, comprises movement frame and is arranged on motor, transmission mechanism, crank and rocker mechanism and the gate in described movement frame;
Described transmission mechanism comprises the first belt wheel and the second belt wheel, and described the first belt wheel is connected in the output of described motor, and described the first belt wheel drives described the second belt wheel by driving-belt;
Described crank and rocker mechanism comprises crank, slide unit and rocking bar, described crank, slide unit and rocking bar form enclosed type four-bar linkage, described crank is coaxial with described the second belt wheel, between described crank and described the second belt wheel, be provided with magnetic part, described crank and described the second belt wheel are in mating face adhesive;
Described gate is fixed on described rocking bar.
Therein in an embodiment, described automatic wing gate movement device also comprises encoder and micro-processor interface circuit, described in described encoders monitor, the pendulum angle of crank output angle monitor signal be to described micro-processor interface circuit, crank described in described micro-processor interface circuit positioning control.Encoder can export the crank-swinging angle signal monitoring to micro-processor interface circuit, micro-processor interface circuit is adjusted the rotational angle of crank according to the crank-swinging angle signal receiving, thereby precisely control the pendulum angle of crank, and then adjust the opening and closing of gate.
In an embodiment, described the second belt wheel is coaxial with described crank by crank axle therein, and described the second belt wheel and described crank axle are slidably matched, and described crank is the secure fit that key is connected with described crank axle.
In an embodiment, described movement frame is provided with Double bearing support therein, and described crank axle is set in described Double bearing support, and described crank axle stretches out described Double bearing support.Crank axle stretches out the part of Double bearing support can do angle monitor use for encoder, and encoders monitor obtains the rotational angle of crank axle and then can learn the rotational angle of crank, and monitoring is simple and convenient.
Therein in an embodiment, it is characterized in that, described motor is DC speed-reducing, described DC speed-reducing is fixed on described movement frame by installing plate, described installing plate is secured by bolts in described movement frame, described movement frame is provided with the fitting recess mating with described bolt, and described fitting recess is provided with skew surplus along the center axial direction of described driving-belt.Skew surplus is set and makes motor move or move down on can be suitably, thereby make transmission with enough tension adjustment degree, keep suitable friction factor, raising transmission efficiency.
In an embodiment, described movement erecting is useful on the spacer pin of the described rocking bar pendulum angle of restriction therein.It is spacing that spacer pin can carry out to rocking bar angle in the time opening, and makes automatic wing gate movement device be applicable to the wing lock gate of different size.
In an embodiment, described rocking bar is connected with described movement frame by fulcrum shaft therein, and described slide unit drives described rocking bar taking described fulcrum shaft as centre swinging.
In an embodiment, described movement frame is provided with assembling perforate therein, and described fulcrum shaft runs through described assembling perforate.
In an embodiment, described magnetic part is permanent magnet therein.
A kind of wing gate automatically, comprises above-mentioned automatic wing gate movement device.
Above-mentioned automatic wing gate movement device, machine operation, drive described the first belt wheel running, described the first belt wheel drives described the second belt wheel by conveyer belt, described the second belt wheel and described crank produce moment of friction, drive described crank to rotate, and then drive the rocking bar that gate is installed in four-bar linkage to swing, make gate flexible, realize passage opening and closing.Between described the second belt wheel and described crank, form a magnetic clutch safety guard that prevents moment overload; the suction-combining force moment of wherein said the second belt wheel and described crank is greater than moment while rotation; but moment while being less than overload; when gate is considered to stop and causes when overload; magnetic clutch safety guard skids; described crank, rocking bar and gate stop motion, effectively prevent motor rotation blockage and ensure current personnel's personal safety.
Brief description of the drawings
The positive perspective view of automatic wing gate movement device when Fig. 1 (a) is the wing lock pathway closure of an embodiment;
The reverse side structural representation of automatic wing gate movement device when Fig. 1 (b) is the wing lock pathway closure of an embodiment;
Fig. 2 (a) is the positive perspective view of the wing lock passage of an embodiment automatic wing gate movement device while opening;
Fig. 2 (b) is the reverse side structural representation of the wing lock passage of an embodiment automatic wing gate movement device while opening;
Fig. 3 is the structural representation of the drive mechanism of the automatic wing gate movement device of an embodiment;
Fig. 4 is the structural representation of two automatic wing gate movement devices of an embodiment.
Detailed description of the invention
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.A lot of details are set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public concrete enforcement.
Refer to Fig. 1-4, the automatic wing gate movement device of an embodiment, comprises movement frame 10 and is arranged on motor 20, transmission mechanism 30, crank and rocker mechanism 40 and the gate 50 in movement frame 10.
Crank and rocker mechanism 40 comprises crank 400, slide unit 402 and rocking bar 404, and crank 400, slide unit 402 and rocking bar 404 form enclosed type four-bar linkage.Crank and rocker mechanism 40 is four-bar linkage one type, slide unit 402 is equivalent to the connecting rod in four-bar linkage, described slide unit 402 one end are connected with crank 400, the other end is connected with rocking bar 404.In crank and rocker mechanism 40, can be both crank 400 actives, rocking bar 404 be driven; Also can be rocking bar 404 actives, crank 400 be driven.When crank 400 is driving link, can realizes by the complete cycle gyration of crank 400 and changing to the motion of rocking bar 404 reciprocally swingings.Crank 400 is made complete cycle and is rotated, and rocking bar 404 is made reciprocally swinging.In the present embodiment, rocking bar 404 can only be made reciprocating swing within the scope of 0-180 °.In the time that the gate 50 of wing lock is closed, crank 400 centers are vertical with the center line of rocking bar 404 with the line of slide unit 402, and crank 400 and rocking bar 404, in dead-centre position, now, can not rotate by throw crank 400, the gate 50 of wing lock cannot people for breaking into two with one's hands.In the time that the gate 50 of wing lock is opened, crank 400 centers are vertical with the center line of rocking bar 404 with the line of slide unit 402, and crank 400 and rocking bar 404, in dead-centre position, now, can not rotate by throw crank 400, the gate 50 of wing lock cannot people for closing.This lock function, without using any other additional control device, is a kind of reliable pure mechanical caging pattern.In the present embodiment, dead-centre position has two, at two equal reserved buffers in dead-centre position, reduces wing lock gate 50 motional inertias at opening and closing end points, makes core device stable drive, reduces mechanical noise.
Crank 400 is coaxial with the second belt wheel 302, between crank 400 and the second belt wheel 302, is provided with magnetic part, and crank 400 and the second belt wheel 302 are in mating face adhesive.
The transmission of the second belt wheel 302 and crank 400 adopts the method for magnet attraction; crank 400 and the second belt wheel 302 are in mating face adhesive; thereby generation moment of friction; drive crank 400 to rotate; also form a magnetic clutch safety guard that prevents moment overload simultaneously; moment of friction produces moment of torsion by the suction-combining force of magnetic part, and it should meet following condition:
N1<N0<N2, in formula, N1 is the moment of crank 400 while rotating, N2 moment during for overload, N0 is pick up torque.
Above formula shows, in the time that gate 50 is caused overload by people for stopping, magnetic clutch safety guard skids, and crank 400, rocking bar 404 and gate 50 stop motions, effectively prevent motor rotation blockage and current personnel's personal safety.
Above-mentioned automatic wing gate movement device, motor 20 is worked, drive the first belt wheel 300 to turn round, the first belt wheel 300 drives the second belt wheel 302 by conveyer belt 304, the second belt wheel 302 rotates, and then drives with the crank 400 of the second belt wheel 302 magnet attractions and rotate, and the rocking bar that gate 50 is installed 404 in drive four-bar linkage swings, make gate 50 flexible, realize passage opening and closing.Between described the second belt wheel 302 and described crank 400, form a magnetic clutch safety guard that prevents moment overload; moment when wherein the second belt wheel 302 is greater than rotation with the suction-combining force moment of crank 400; but moment while being less than overload; when gate 50 is considered to stop and causes when overload; magnetic clutch safety guard skids; crank 400, rocking bar 404 and gate 50 stop motions, effectively prevent motor rotation blockage and ensure current personnel's personal safety.
In one embodiment, automatically wing gate movement device also comprises encoder 60 and micro-processor interface circuit (not shown), and encoder 60 is monitored the pendulum angle of crank 400 output angle monitor signal to micro-processor interface circuit, micro-processor interface circuit positioning control crank 400.Encoder 60 exports the crank monitoring 400 pendulum angle signals to micro-processor interface circuit, micro-processor interface circuit is adjusted the rotational angle of crank 400 according to the crank 400 pendulum angle signals that receive, so repeatedly, precisely control the pendulum angle of crank 400, and then adjust the opening and closing of gate 50.In the present embodiment, crank and rocker mechanism 40 is at two equal reserved buffers in dead-centre position, by the angle monitor of encoder 60, micro-processor interface circuit flexibility after numerical control step-down deceleration is carried out in buffer area stops, the elasticity absorbing vibration and the impact that coordinate conveyer belt 304 to have, reduce wing lock gate 50 motional inertias at opening and closing end points, made automatic wing gate movement device stable drive, reduced mechanical noise.
In one embodiment, the second belt wheel 302 is coaxial with crank 400 by crank axle 406, and the second belt wheel 302 is slidably matched with crank axle 406, the secure fit that crank 400 is connected for key with crank axle 406.The second belt wheel 302 is coaxial with crank 400, and the second belt wheel 302 is slidably matched with crank axle 406, between the second belt wheel 302 and crank axle 406, has certain fit clearance, and fit clearance can be slided and be as the criterion with the second belt wheel 302 on crank axle 406.The secure fit that crank 400 is connected for key with crank axle 406, it is that the axial restraint of realizing between axle and parts on shaft by key moves and torque to transmit that key connects.
In one embodiment, movement frame 10 is provided with Double bearing support 80, and crank axle 406 is set in Double bearing support 80, and crank axle 406 stretches out Double bearing support 80.In the present embodiment, crank axle 406 stretches out the part of movement frame 10 can do angle monitor use for encoder 60, and encoder 60 is monitored crank axle 406 rotational angles that obtain and then the rotational angle that can learn crank 406, and monitoring is simple and convenient.
In one embodiment, motor 20 is DC speed-reducing, DC speed-reducing is fixed on movement frame 10 by installing plate 70, installing plate 70 is secured by bolts in movement frame 10, movement frame 10 is provided with the bolton fitting recess mating with bolt, and bolton fitting recess is provided with skew surplus along driving-belt 304 center axial direction.DC speed-reducing is toothed gearing electric motor, is on the basis of common DC motor, adds associated gear reduction box.The effect of gear reduction box is to provide lower rotating speed, larger moment.Be understandable that, in other embodiments, also can adopt other motors to realize the object that drives the first belt wheel 300.DC speed-reducing is fixed on movement frame 10 by installing plate 70, makes motor 20 assemblings safeguard fast and simple.Bolton fitting recess is being axially arranged with skew surplus along driving-belt 304 transmission centers, be that bolton fitting recess has extension, skew surplus is set makes motor move or move down on can be suitably, thereby make driving-belt 304 have enough tension adjustment degree, keep suitable friction factor, improve transmission efficiency.
Referring again to Fig. 1 (b), in one embodiment, movement frame 10 is provided with the spacer pin 90 for limiting rocking bar 404 pendulum angles.It is spacing that spacer pin 90 can carry out angle to rocking bar 404 in the time opening, and makes automatic wing gate movement device be applicable to the wing lock gate 50 of different in width specification, i.e. the automatic wing gate movement device of same specification can configure the gate 50 of different in width.In the present embodiment, offer chute 902 in movement frame 10, spacer pin 90 is connected with movement frame 10 slidably by chute 902.In the time that the width of gate 50 is larger, spacer pin 90 can be moved down; And when the width of gate 50 hour, can will on spacer pin 90, move.Therefore, the automatic wing gate movement device of same specification, can configure the gate 50 of different in width.In one embodiment, gate 50 stretches out width can reach 355mm, and the width of passage is 750mm.The structure of spacer pin 90 can be that cylinder can be also cuboid, and spacer pin 90 is vertically fixed on movement frame 10.
In one embodiment, rocking bar 404 is connected with movement frame 10 by fulcrum shaft 408, and slide unit 402 drives rocking bar 404 taking fulcrum shaft 408 as centre swinging.In the present embodiment, movement frame 10 is provided with assembling perforate 102, and fulcrum shaft 408 runs through assembling perforate 102.The number of assembling perforate 102 can be two, and two assembling perforates 102 are symmetrical arranged, and can make automatic wing gate movement device can symmetrical be assemblied in the left and right cabinet of passage, improves the flexibility that automatic wing gate movement device uses.
In one embodiment, magnetic part is permanent magnet.Permanent magnet is embedded between the second belt wheel 302 and crank, and permanent magnet can keep self magnetic for a long time, makes the stable performance of automatic wing gate movement device.In other embodiments, magnetic part can be also other magnetic parts.
Above-mentioned automatic wing gate movement device can be for automatic wing gate.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an automatic wing gate movement device, is characterized in that, comprises movement frame and is arranged on motor, transmission mechanism, crank and rocker mechanism and the gate in described movement frame;
Described transmission mechanism comprises the first belt wheel and the second belt wheel, and described the first belt wheel is connected in the output of described motor, and described the first belt wheel drives described the second belt wheel by driving-belt;
Described crank and rocker mechanism comprises crank, slide unit and rocking bar, described crank, slide unit and rocking bar form enclosed type four-bar linkage, described crank is coaxial with described the second belt wheel, between described crank and described the second belt wheel, be provided with magnetic part, described crank and described the second belt wheel are in mating face adhesive;
Described gate is fixed on described rocking bar.
2. automatic wing gate movement device according to claim 1, it is characterized in that, described automatic wing gate movement device also comprises encoder and micro-processor interface circuit, described in described encoders monitor, the pendulum angle of crank output angle monitor signal be to described micro-processor interface circuit, crank described in described micro-processor interface circuit positioning control.
3. automatic wing gate movement device according to claim 1, is characterized in that, described the second belt wheel is coaxial with described crank by crank axle, and described the second belt wheel and described crank axle are slidably matched, and described crank is the secure fit that key is connected with described crank axle.
4. automatic wing gate movement device according to claim 3, is characterized in that, described movement frame is provided with Double bearing support, and described crank axle is set in described Double bearing support, and described crank axle stretches out described Double bearing support.
5. automatic wing gate movement device according to claim 1, it is characterized in that, described motor is DC speed-reducing, described DC speed-reducing is fixed on described movement frame by installing plate, described installing plate is secured by bolts in described movement frame, described movement frame is provided with the fitting recess mating with described bolt, and described fitting recess is provided with skew surplus along the center axial direction of described driving-belt.
6. automatic wing gate movement device according to claim 1, is characterized in that, described movement erecting is useful on the spacer pin of the described rocking bar pendulum angle of restriction.
7. automatic wing gate movement device according to claim 1, is characterized in that, described rocking bar is connected with described movement frame by fulcrum shaft, and described slide unit drives described rocking bar taking described fulcrum shaft as centre swinging.
8. automatic wing gate movement device according to claim 7, is characterized in that, described movement frame is provided with assembling perforate, and described fulcrum shaft runs through described assembling perforate.
9. automatic wing gate movement device according to claim 1, is characterized in that, described magnetic part is permanent magnet.
10. an automatic wing gate, is characterized in that, comprises the automatic wing gate movement device described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708601.9U CN203668850U (en) | 2013-11-11 | 2013-11-11 | Automatic wing gate core device and automatic wing gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708601.9U CN203668850U (en) | 2013-11-11 | 2013-11-11 | Automatic wing gate core device and automatic wing gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203668850U true CN203668850U (en) | 2014-06-25 |
Family
ID=50965166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708601.9U Expired - Lifetime CN203668850U (en) | 2013-11-11 | 2013-11-11 | Automatic wing gate core device and automatic wing gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203668850U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317012A (en) * | 2015-06-08 | 2016-02-10 | 薛原 | A single-wing station entering channel control gate |
| CN105780685A (en) * | 2016-05-11 | 2016-07-20 | 上海华铭智能终端设备股份有限公司 | Gate door opening/closing device |
| CN105970852A (en) * | 2016-06-07 | 2016-09-28 | 深圳市威捷机电股份公司 | Anti-pinch sliding gate |
| CN106836057A (en) * | 2017-02-14 | 2017-06-13 | 深圳市西莫罗智能科技有限公司 | Suitable for the flap turnstile of the mechanical power-off automatic door opening of track traffic |
| CN112002045A (en) * | 2020-09-02 | 2020-11-27 | 付金明 | Gate transmission mechanism based on internet for face recognition |
| CN113005948A (en) * | 2021-03-22 | 2021-06-22 | 杭州海康威视数字技术股份有限公司 | Road gate and control method thereof |
-
2013
- 2013-11-11 CN CN201320708601.9U patent/CN203668850U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317012A (en) * | 2015-06-08 | 2016-02-10 | 薛原 | A single-wing station entering channel control gate |
| CN105780685A (en) * | 2016-05-11 | 2016-07-20 | 上海华铭智能终端设备股份有限公司 | Gate door opening/closing device |
| CN105970852A (en) * | 2016-06-07 | 2016-09-28 | 深圳市威捷机电股份公司 | Anti-pinch sliding gate |
| CN106836057A (en) * | 2017-02-14 | 2017-06-13 | 深圳市西莫罗智能科技有限公司 | Suitable for the flap turnstile of the mechanical power-off automatic door opening of track traffic |
| CN112002045A (en) * | 2020-09-02 | 2020-11-27 | 付金明 | Gate transmission mechanism based on internet for face recognition |
| CN113005948A (en) * | 2021-03-22 | 2021-06-22 | 杭州海康威视数字技术股份有限公司 | Road gate and control method thereof |
| CN113005948B (en) * | 2021-03-22 | 2022-01-28 | 杭州海康威视数字技术股份有限公司 | Road gate and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203668850U (en) | Automatic wing gate core device and automatic wing gate | |
| CN206015557U (en) | A kind of walkway Bai Zha | |
| CN201024856Y (en) | Theftproof door | |
| CN103046827A (en) | Locking and unlocking mechanism of power-driven sliding plug door | |
| CN103334388B (en) | A kind ofly prevent the safe and intelligent gate rushing lock | |
| CN102251493A (en) | Control method of oscillating type door wing of safe passage | |
| CN102877762A (en) | Automatic arc-shaped door | |
| CN203096644U (en) | Wing gate machine and movement of same | |
| CN101929133A (en) | Shear door machine for automatic ticket checker | |
| CN206091709U (en) | Motor element , automatic system of opening door, refrigerator open door | |
| CN207812345U (en) | The banister circuit of energy manual fluctuation restrictor bar when control has a power failure | |
| CN100545409C (en) | Channel single driving mechanism for ticket-check equipment | |
| CN203625806U (en) | Wing gate provided with widened passageway | |
| CN204676455U (en) | A kind of pendulum lock of gate | |
| CN203846874U (en) | Flexible sliding cover device | |
| CN201741190U (en) | Door leaf device of automatic ticket checker | |
| CN201704647U (en) | Telescopic safe passage | |
| CN112002045B (en) | Gate transmission mechanism based on internet for face recognition | |
| CN201778294U (en) | Jaywalking-preventing barrier | |
| CN201908520U (en) | Intelligent remote control motor-driven sliding window | |
| CN102913093A (en) | Wing door mechanism for passageway access control device | |
| CN104912427B (en) | Arrangements for automotive doors anti-pinch device | |
| CN201099840Y (en) | Wing gate device | |
| CN202788510U (en) | Arc automatic door | |
| CN205297219U (en) | Autogiration door but flexibility bullet contracts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |