CN203428680U - Protection mechanism for accident movement of lift car - Google Patents
Protection mechanism for accident movement of lift car Download PDFInfo
- Publication number
- CN203428680U CN203428680U CN201320513785.3U CN201320513785U CN203428680U CN 203428680 U CN203428680 U CN 203428680U CN 201320513785 U CN201320513785 U CN 201320513785U CN 203428680 U CN203428680 U CN 203428680U
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- car
- latch segment
- protection mechanism
- elevator cage
- accidental movement
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Abstract
The utility model discloses a protection mechanism for accident movement of a lift car. The safety protection mechanism comprises a trigger device, an executing device and a linkage device, wherein trigger device is used for identifying the opening state of a lift car door, the executing device is used for immediately locking the lift car when the lift car accidently moves under the state that the lift car door is not closed, and the linkage device enables the trigger device to be in linkage with the executing device. A mechanical trigger structure is adopted in the trigger device, a locking block type locking structure is adopted in the executing device, and a linkage rope structure is adopted in the linkage device. The protection mechanism for the accident movement of the lift car can detect whether accidental movement happens to the lift car in time and can immediately take a safety protection measure of locking the lift car when the mechanism detects that the accident movement happens to the lift car, thereby being of great significance to protecting safety of lift equipment and personal safety of passengers. Particularly, the protection mechanism for the accident movement of the lift car has the advantages of being simple in structure, safe, reliable, convenient and flexible to install and the like, and has remarkable and practical value to improving safety of an existing lift.
Description
Technical field
The utility model relates to accidental movement of elevator cage protection mechanism, belongs to elevator safety technical field.
Background technology
At present, safety precautions about elevator, mainly at equipment relevant position installation and measuring switch, when car being detected and open the door, system can not send car movement signal, only have when car door being detected and close, system just sends car movement signal, and now lift car can rise or decline; If but arbitrary parts et out of order and malfunctioning in the elevator main that elevator safety motion is relied on or drive system, the car movement that just may meet accident, also will cause passenger by the serious consequence of sudden hurt accident.
In recent years, there is the safety misadventure causing because of elevator faults in China much more, the injury that while wherein not closing completely with gate, car accidental movement causes the most outstanding, if passenger is broken down when turnover elevator, its consequence is exactly the shearing directly causing passenger's body, and consequence is quite serious.Therefore, this area is badly in need of solving and is detected how in time the accidental movement of elevator cage occurring and when there is accidental movement of elevator cage, how to take the safety precaution problems such as safety method when gate is not closed completely.
Utility model content
The problems referred to above that exist for prior art; the purpose of this utility model is to provide and a kind ofly can detects in time when gate is not closed completely the accidental movement of elevator cage occurring and can to car, carry out at once the accidental movement of elevator cage protection mechanism of locking when generation accidental movement of elevator cage; further to improve the safety of existing elevator; realize and farthest reduce the security risk that elevator surprisingly causes, effectively protect the safety of lift facility and passenger's personal safety.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of accidental movement of elevator cage protection mechanism, comprise: a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking immediately to car; It is characterized in that: described flip flop equipment adopts mechanical type trigger architecture, described executive device adopts latch segment formula locking structure, and described linkage adopts interlock rope structure.
As a kind of preferred version, described mechanical type trigger architecture comprises driving lever and swing arm, and described driving lever is fixed on elevator cage door or gate link plate, and described swing arm is fixed on car; Or described mechanical type trigger architecture comprises tooth bar and with the swing arm of gear, described tooth bar is fixed on elevator cage door or gate link plate, with the swing arm of gear, be fixed on car; Described latch segment formula locking structure comprises guide plate, latch segment and pipe link, on described guide plate, is provided with guide groove, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, and its other end is connected with car; Described linkage comprises two interlocks rope, fixed link and adapter plates, and one end of every interlock rope is connected with swing arm, and its other end is connected with pipe link; The structure of described fixed link and fixed position will form engomphosis relation with swing arm; Described adapter plate is fixed on car, with swing arm pin joint.
As further preferred version, described swing arm is also connected with retracing spring, and described retracing spring is fixed on car.
As further preferred version, when driving lever or tooth bar are fixed on gate link plate, also comprise dwang, retainer spring and connection cord, when driving lever or tooth bar are when being moved, can touch dwang it is rotated; One end of described retainer spring is connected with dwang, and its other end is fixedly connected with door machine; One end of described connection cord is connected with dwang, and its other end is connected with swing arm.
As further preferred version, described latch segment formula locking structure is one group, comprises guide plate, latch segment and pipe link, is provided with two guide grooves of angle, described latch segment and guide groove sliding block joint on described guide plate; One end of described pipe link is connected with latch segment, its other end and car pin joint, and on pipe link, be provided with the static line members that are connected with in linkage two interlock ropes.
As further preferred version, described latch segment formula locking structure is the vertical symmetrical structures of two components, every group includes guide plate, latch segment and pipe link, on described guide plate, be provided with guide groove, described latch segment and guide groove sliding block joint, one end of described pipe link is connected with latch segment, and its other end and car are hinged, and on pipe link, is provided with the static line member being connected with in linkage one interlock rope.
As further preferred version, described latch segment is roller type or Wedge-type.
As further preferred version, on described pipe link, be also provided with spring, one end of described spring is hinged on car.
As a kind of preferred version, described accidental movement of elevator cage protection mechanism also comprises a kind of executing state detecting device, and the signal output part of described executing state detecting device is electrically connected to elevator main controller.
As further preferred version, described executing state detecting device is 2 detector switches, and described detector switch can be non-contact type detector switch or the contact detector switches such as electromagnetic switch, photoelectric switch, approach switch.
Compared with prior art, the accidental movement of elevator cage protection mechanism providing due to the utility model, comprise a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly at elevator cage door, do not meet accident under closed condition when mobile, car being carried out immediately to executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking; Therefore, the utility model can detect in time the accidental movement of elevator cage occurring when gate is not closed completely and can to car, carry out at once the safety precaution of locking when there is accidental movement of elevator cage, improved the safety of existing elevator, realized and farthest reduced the security risk that elevator surprisingly causes, significant to the protection safety of lift facility and passenger's personal safety; Especially, protection mechanism described in the utility model has the advantage such as flexibly simple in structure, safe and reliable, easy for installation, can, without being installed in devastatingly in existing lift facility, to improving and improve the safety of existing elevator, have significance practical value.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of accidental movement of elevator cage protection mechanism of providing of embodiment 1;
Fig. 2 is the structural representation of the flip flop equipment that provides of embodiment 1 when initial condition;
Fig. 3 is the structural representation of the flip flop equipment that provides of embodiment 1 in working order time;
Fig. 4 is the working state structure schematic diagram of the protection mechanism that provides of embodiment 1 when there is accidental movement of elevator cage;
Fig. 5 is the structural representation of the flip flop equipment that provides of embodiment 2 when initial condition;
Fig. 6 is the schematic diagram of a kind of accidental movement of elevator cage protection mechanism of providing of embodiment 2;
Fig. 7 is the structural representation of the flip flop equipment that provides of embodiment 2 in working order time;
Fig. 8 is the working state structure schematic diagram of the protection mechanism that provides of embodiment 2 when there is accidental movement of elevator cage;
Fig. 9 and Figure 10 are the structural representation of the flip flop equipment that provides of embodiment 3 when initial condition;
Figure 11, Figure 12 and Figure 13 are the structural representation of the flip flop equipment that provides of embodiment 3 in working order time;
Figure 14 is the schematic diagram of a kind of accidental movement of elevator cage protection mechanism of providing of embodiment 4;
Figure 15 is the working state structure schematic diagram of the protection mechanism that provides of embodiment 4 when there is accidental movement of elevator cage;
Figure 16 is the schematic diagram of a kind of accidental movement of elevator cage protection mechanism of providing of embodiment 5;
Figure 17 is the working state structure schematic diagram of the protection mechanism that provides of embodiment 5 when there is accidental movement of elevator cage;
Figure 18 is the schematic diagram of a kind of accidental movement of elevator cage protection mechanism of providing of embodiment 6;
Figure 19 is the working state structure schematic diagram of the protection mechanism that provides of embodiment 6 when there is accidental movement of elevator cage.
In figure: 1, flip flop equipment; 11, driving lever; 12, swing arm; 13, tooth bar; 14, with the swing arm of gear; 15, retracing spring; 16, spring fixed seat; 17, dwang; 18, retainer spring; 19, connection cord; 2, executive device; 21, guide plate; 22, guide groove; 221, guide groove A; 222, guide groove B; 23, latch segment; 231, latch segment A; 232, latch segment B; 24, pipe link; 25, static line member; 26, spring; 3, linkage; 31, interlock rope A; 32, interlock rope B; 33, fixed link; 34, adapter plate; 4, executing state detecting device; 41, detector switch A; 42, detector switch B; 5, gate; 6, car; 7, Room door; 8, gate link plate; 9, door machine; 10, fixed guide.
The specific embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is elaborated further:
As shown in Figure 1: a kind of accidental movement of elevator cage protection mechanism that the present embodiment provides, comprise: a kind of flip flop equipment 1 of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device 2 and a kind of linkage 3 that makes flip flop equipment 1 and executive device 2 that interlock occur of locking immediately to car; Described flip flop equipment 1 is mechanical type trigger architecture, comprises driving lever 11 and swing arm 12, and described driving lever 11 is fixed on elevator cage door 5; Described executive device 2 adopts latch segment formula locking structure, comprises guide plate 21, latch segment 23 and pipe link 24, on described guide plate 21, is provided with guide groove 22, described latch segment 23 and guide groove 22 sliding block joints; One end of described pipe link 24 is connected with latch segment 23, its other end and car 6 pin joints; Described linkage 3 comprises interlock rope A31, interlock rope B32, fixed link 33 and adapter plate 34, and interlock rope A31 is all connected with swing arm 12 with one end of interlock rope B32, and its other end is all connected with pipe link 24; The structure of described fixed link 33 and fixed position will form engomphosis relation with swing arm 12; Described adapter plate 34 is fixed on car 6, with swing arm 12 pin joints.
As a kind of preferred version, described accidental movement of elevator cage safety protective mechanisms also comprises a kind of executing state detecting device 4, and the signal output part of described executing state detecting device 4 is electrically connected to elevator main controller (not shown); Described executing state detecting device 4 can be detector switch A41 and detector switch B42, and detector switch A41 and detector switch B42 all can be non-contact type detector switch or the contact detector switches such as electromagnetic switch, photoelectric switch, approach switch.
As shown in Figure 2, described swing arm 12 is also connected with retracing spring 15, and described retracing spring 15 is fixed on car 6 by spring fixed seat 16.
Shown in Fig. 2 is the described flip flop equipment structural representation when initial condition, now gate 5 is not opened, and flip flop equipment 1 is in mode of operation not, and driving lever 11 does not contact with swing arm 12, swing arm 12 and fixed link 33 are in chimerism not, and now car 6 can normally move up and down.
As shown in Figure 3: when Room door 7, gate 5, along the direction of opening the door, open, driving lever 11 also moves along the direction of opening the door together along with gate 5, after gate 5 is opened, driving lever 11 promotes position shown in swing arm 12 to figure, and now swing arm 12 and fixed link 33 are in chimerism.
As shown in Figure 4: if now downward accidental movement occurs car 6, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end of swing arm 12 and fixed link 33 bump, and rotate, and the other end can pull interlock rope A31 downwards, pipe link 24 is subject to pulling of interlock rope A31, drive latch segment 23 along guide groove 22 upward slidings of guide plate 21, finally make latch segment 23 be locked on fixed guide 10, make car 6 stop downward accidental movement; Meanwhile, pipe link 24 can detection trigger switch A41 in when work, and its working state signal is sent in outside electric life controller, informs that described executive device works.
Otherwise when up accidental movement occurs car 6, relevant linkage 3 and the equal reverse operation of executive device 2, to pin car 6; Meanwhile, pipe link 24, at when work detection trigger switch B42, sends in outside electric life controller its working state signal, informs that described executive device works.
As shown in Figure 5: the flip flop equipment 1 of the accidental movement of elevator cage protection mechanism that the present embodiment provides comprises tooth bar 13 and with the swing arm 14 of gear, described tooth bar 13 is fixed on elevator cage door 5, with swing arm 14 pin joints of gear, on adapter plate 34, adapter plate 34 is fixed on car 6; All the other contents all can be with described in embodiment 1.
Fig. 6 is the schematic diagram of a kind of accidental movement of elevator cage protection mechanism of providing of the present embodiment.
Shown in Fig. 5 is the structural representation of flip flop equipment when initial condition, now gate 5 is not opened, flip flop equipment 1 is in mode of operation not, tooth bar 13 does not contact with the swing arm 14 with gear, with the swing arm 14 of gear and fixed link 33, in chimerism not, now car 6 can normally move up and down.
As shown in Figure 7: when Room door 7, gate 5 are opened along the direction of opening the door, tooth bar 13 is also along with gate 5 moves together along the direction of opening the door, after gate 5 is opened, tooth bar 13 promotes with position shown in the swing arm 14 to figure of gear, now with the swing arm 14 of gear with fixed link 33 in chimerism.
As shown in Figure 8: if now downward accidental movement occurs car 6, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end and the fixed link 33 with the swing arm 14 of gear bumps, rotate, the other end can pull interlock rope A31 downwards, pipe link 24 is subject to pulling of interlock rope A31, drive latch segment 23 along guide groove 22 upward slidings of guide plate 21, finally make latch segment 23 be locked on fixed guide 10, make car 6 stop downward accidental movement; Meanwhile, pipe link 24 can detection trigger switch A41 in when work, and its working state signal is sent in outside electric life controller, informs that described executive device works.
Otherwise when up accidental movement occurs car 6, relevant linkage 3 and the equal reverse operation of executive device 2, to pin car 6; Meanwhile, pipe link 24, at when work detection trigger switch B42, sends in outside electric life controller its working state signal, informs that described executive device works.
As shown in Figure 9 and Figure 10: the flip flop equipment of the accidental movement of elevator cage protection mechanism that the present embodiment provides not only comprises driving lever 11 and swing arm 12, also comprise dwang 17, retainer spring 18 and connection cord 19, driving lever 11 is fixed on gate link plate 8, gate 5 is arranged on gate link plate 8, and gate link plate 8 moves along guide rail in door machine 9 inside; Dwang 17 is hinged on a machine 9, and one end connects connection cord 19, and the other end connects retainer spring 18, and the other end of retainer spring 18 is fixedly connected with door machine 9; Connection cord 19 is connected with swing arm 12; When driving lever 11 is moved, can touches dwang 17 it is rotated; All the other contents all can be with described in embodiment 1.
As shown in Figure 11, Figure 12 and Figure 13, when gate 5 is opened, gate link plate 8 moves to the direction of opening the door, driving lever 11 is stirred dwang 17 rotations, dwang 17 is rotated to certain angle and by retainer spring 18, strain location, simultaneously when dwang 17 rotation, pull connection cord 19, when connection cord 19 is subject to after pulling force, pull swing arm 12, make swing arm 12 and fixed link 33 in chimerism.
As shown in Figure 1 and Figure 4: if now downward accidental movement occurs car 6, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end of swing arm 12 and fixed link 33 bump, and rotate, and the other end can pull interlock rope A31 downwards, pipe link 24 is subject to pulling of interlock rope A31, one drives latch segment 23 along guide groove 22 upward slidings of guide plate 21, finally makes latch segment 23 be locked on fixed guide 10, makes car 6 stop downward accidental movement; Meanwhile, pipe link 24 can detection trigger switch A41 in when work, and its working state signal is sent in outside electric life controller, informs that described executive device works.
Otherwise when up accidental movement occurs car 6, relevant linkage 3 and the equal reverse operation of executive device 2, to pin car 6; Meanwhile, pipe link 24, at when work detection trigger switch B42, sends in outside electric life controller its working state signal, informs that described executive device works.
The object of the present embodiment is that the installation site of explanation flip flop equipment can be various possible positions, as long as guarantee when gate is opened, can make the flip flop equipment described in this patent that action occurs; Certainly preferred simple and convenient installation site (installation site described in embodiment 1 and the present embodiment).
Embodiment 4
As shown in FIG. 14 and 15: the accidental movement of elevator cage protection mechanism that the present embodiment provides and the difference of embodiment 1 are only: the latch segment 23 in executive device replaces with voussoir by roller; All the other contents all can be with described in embodiment 1.
If there is downward accidental movement in car 6 now, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end of swing arm 12 and fixed link 33 bump, and rotate, and the other end can pull interlock rope A31 downwards, pipe link 24 is subject to pulling of interlock rope A31, drive latch segment (voussoir) 23 along guide groove 22 upward slidings of guide plate 21, finally make latch segment (voussoir) 23 be locked on fixed guide 10, make car 6 stop downward accidental movement; Meanwhile, pipe link 24 can detection trigger switch A41 in when work, and its working state signal is sent in outside electric life controller, informs that described executive device works.
Otherwise when up accidental movement occurs car 6, relevant linkage 3 and the equal reverse operation of executive device 2, to pin car 6; Meanwhile, pipe link 24, at when work detection trigger switch B42, sends in outside electric life controller its working state signal, informs that described executive device works.
As shown in FIG. 16 and 17: the accidental movement of elevator cage protection mechanism that the present embodiment provides and the difference of embodiment 1 are only: described executive device is the vertical symmetrical structures of two components, every group includes guide plate 21, latch segment 23 and pipe link 24, on described guide plate 21, be provided with guide groove 22, described latch segment 23 and guide groove 22 sliding block joints, one end of described pipe link 24 is connected with latch segment 23, its other end and car 6 are hinged, and on pipe link 24, are provided with the static line member 25 being connected with in linkage one interlock rope; On every pipe link 24, be also provided with spring 26, one end of described spring 26 is hinged on car 6; All the other contents all can be with described in embodiment 1.
If there is downward accidental movement in car 6 now, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end of swing arm 12 and fixed link 33 bump, and rotate, and the other end can pull interlock rope A31 downwards, pipe link 24 is subject to pulling of interlock rope A31, drive latch segment 231 along guide groove 221 upward slidings of guide plate 21, finally make latch segment 231 be locked on fixed guide 10, make car 6 stop downward accidental movement; Meanwhile, pipe link 24 can detection trigger switch A41 in when work, and its working state signal is sent in outside electric life controller, informs that described executive device works.
Otherwise, when there is up accidental movement in car 6, adapter plate 34 can be connected with car 6 because of it, makes it along with car 6 moves up together, and now one end of swing arm 12 and fixed link 33 bump, rotate, the other end can upwards pull interlock rope B32, and pipe link 24 is subject to pulling of interlock rope B32, drives latch segment 232 along guide groove 222 down slidings of guide plate 21, finally make latch segment 232 be locked on fixed guide 10, make car 6 stop upwards accidental movement; Meanwhile, pipe link 24 can detection trigger switch B42 in when work, and its working state signal is sent in outside electric life controller, informs that described executive device works.
As shown in figure 18: the accidental movement of elevator cage protection mechanism that the present embodiment provides and the difference of embodiment 5 are only: latch segment 231 and latch segment 232 in executive device replace with Wedge-type by roller type.
Shown in Figure 19 is when downward accidental movement occurs for car 6, the structural representation of the accidental movement of elevator cage protection mechanism that the present embodiment provides in working order time.
In sum, the accidental movement of elevator cage protection mechanism providing due to the utility model, comprise a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly at elevator cage door, do not meet accident under closed condition when mobile, car being carried out immediately to executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking; Therefore, the utility model can detect in time the accidental movement of elevator cage occurring when gate is not closed completely and can to car, carry out at once the safety precaution of locking when there is accidental movement of elevator cage, improved the safety of existing elevator, realized and farthest reduced the security risk that elevator surprisingly causes, significant to the protection safety of lift facility and passenger's personal safety; Especially; protection mechanism described in the utility model has the advantage such as flexibly simple in structure, safe and reliable, easy for installation; can be without being installed in devastatingly in existing lift facility; do not need existing elevator to carry out large change; highly versatile, has significance practical value to improving and improve the safety of existing elevator.
Finally be necessary to be pointed out that at this; above-mentioned explanation is only for being described in further detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.
Claims (9)
1. an accidental movement of elevator cage protection mechanism, comprise: a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking immediately to car; It is characterized in that: described flip flop equipment adopts mechanical type trigger architecture, described executive device adopts latch segment formula locking structure, and described linkage adopts interlock rope structure; Described mechanical type trigger architecture comprises driving lever and swing arm, and described driving lever is fixed on elevator cage door or gate link plate, and described swing arm is fixed on car; Or described mechanical type trigger architecture comprises tooth bar and with the swing arm of gear, described tooth bar is fixed on elevator cage door or gate link plate, with the swing arm of gear, be fixed on car; Described latch segment formula locking structure comprises guide plate, latch segment and pipe link, on described guide plate, is provided with guide groove, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, and its other end is connected with car; Described linkage comprises two interlocks rope, fixed link and adapter plates, and one end of every interlock rope is connected with swing arm, and its other end is connected with pipe link; Described adapter plate is fixed on car, with swing arm pin joint.
2. accidental movement of elevator cage protection mechanism as claimed in claim 1, is characterized in that: described swing arm is also connected with retracing spring, and described retracing spring is fixed on car.
3. accidental movement of elevator cage protection mechanism as claimed in claim 1, it is characterized in that: when driving lever or tooth bar are fixed on gate link plate, also comprise dwang, retainer spring and connection cord, one end of described retainer spring is connected with dwang, and its other end is fixedly connected with door machine; One end of described connection cord is connected with dwang, and its other end is connected with swing arm.
4. accidental movement of elevator cage protection mechanism as claimed in claim 1, it is characterized in that: described latch segment formula locking structure is one group, comprise guide plate, latch segment and pipe link, on described guide plate, be provided with two guide grooves of angle, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, its other end and car pin joint, and on pipe link, be provided with the static line members that are connected with in linkage two interlock ropes.
5. accidental movement of elevator cage protection mechanism as claimed in claim 1; it is characterized in that: described latch segment formula locking structure is the vertical symmetrical structures of two components; every group includes guide plate, latch segment and pipe link; on described guide plate, be provided with guide groove; described latch segment and guide groove sliding block joint; one end of described pipe link is connected with latch segment, and its other end and car are hinged, and on pipe link, is provided with the static line member being connected with in linkage one interlock rope.
6. the accidental movement of elevator cage protection mechanism as described in claim 1 or 4 or 5, is characterized in that: described latch segment is roller type or Wedge-type.
7. the accidental movement of elevator cage protection mechanism as described in claim 1 or 4 or 5, is characterized in that: on described pipe link, be also provided with spring, one end of described spring is hinged on car.
8. the accidental movement of elevator cage protection mechanism as described in any one in claim 1-5; it is characterized in that: described accidental movement of elevator cage protection mechanism also comprises a kind of executing state detecting device, and the signal output part of described executing state detecting device is electrically connected to elevator main controller.
9. accidental movement of elevator cage protection mechanism as claimed in claim 8, is characterized in that: described executing state detecting device is 2 detector switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513785.3U CN203428680U (en) | 2013-08-21 | 2013-08-21 | Protection mechanism for accident movement of lift car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513785.3U CN203428680U (en) | 2013-08-21 | 2013-08-21 | Protection mechanism for accident movement of lift car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203428680U true CN203428680U (en) | 2014-02-12 |
Family
ID=50057731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320513785.3U Withdrawn - After Issue CN203428680U (en) | 2013-08-21 | 2013-08-21 | Protection mechanism for accident movement of lift car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203428680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420243A (en) * | 2013-08-21 | 2013-12-04 | 上海微频莱机电科技有限公司 | Protection mechanism for accidental movement of lift car |
| CN111824895A (en) * | 2019-04-15 | 2020-10-27 | 杭州沪宁电梯部件股份有限公司 | Accidental car movement protection device |
-
2013
- 2013-08-21 CN CN201320513785.3U patent/CN203428680U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420243A (en) * | 2013-08-21 | 2013-12-04 | 上海微频莱机电科技有限公司 | Protection mechanism for accidental movement of lift car |
| CN111824895A (en) * | 2019-04-15 | 2020-10-27 | 杭州沪宁电梯部件股份有限公司 | Accidental car movement protection device |
| CN111824895B (en) * | 2019-04-15 | 2024-06-04 | 杭州沪宁电梯部件股份有限公司 | Unexpected protection device that removes of car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150930 |
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| RGAV | Abandon patent right to avoid regrant |