CN112960522A - Elevator landing door system - Google Patents
Elevator landing door system Download PDFInfo
- Publication number
- CN112960522A CN112960522A CN202110422275.4A CN202110422275A CN112960522A CN 112960522 A CN112960522 A CN 112960522A CN 202110422275 A CN202110422275 A CN 202110422275A CN 112960522 A CN112960522 A CN 112960522A
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- CN
- China
- Prior art keywords
- landing door
- sill
- bracket
- rotating shaft
- rack
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/06—Door or gate operation of sliding doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/301—Details of door sills
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- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses an elevator landing door system, which comprises an elevator car, a sill assembly and two landing door leaves, wherein the sill assembly comprises a sill bracket and a landing door sill, and the bottom of the sill bracket is provided with two L-shaped supports; the landing door leaf is connected with the landing door sill in a sliding mode through the door sliding block, the side portion of the door sliding block is provided with the transmission block, the transmission block is connected with the first rack, the L-shaped support is connected with the transverse screw rod in a rotating mode, one end of the transverse screw rod is connected with the first gear meshed with the first rack, the L-shaped support is provided with the transverse sliding rail, the top of the transverse sliding rail is connected with the limiting block in a sliding mode, and the transverse screw rod is in threaded connection with the limiting block; the top of the limiting block is provided with a second rack, the bottom of the sill bracket is connected with a shielding plate through a rotating shaft, and two ends of the rotating shaft are respectively provided with a second gear meshed with the second rack; the bottom of elevator car is equipped with the fixed plate, is equipped with the jack corresponding with the stopper on the fixed plate. The elevator landing door system can effectively prevent shearing accidents.
Description
Technical Field
The invention relates to an elevator landing door system.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. Elevators have become important building facilities and are indispensable in high-rise buildings and public places as transportation vehicles in the vertical direction. However, in practical applications, elevator accidents occur frequently. The elevator car lifting device comprises an electric interlocking circuit, a circuit short circuit, a lifting mechanism and a lifting mechanism, wherein the electric interlocking circuit is in failure or the circuit short circuit is not recovered during maintenance, so that personnel shear extrusion accidents are caused, namely, the lifting mechanism does not move upwards or downwards when a landing door is not closed or an elevator car is not completely closed, and a. Therefore, how to provide an elevator landing door system to prevent the occurrence of a shear accident is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide an elevator landing door system which is reasonable in structure and can effectively prevent shearing accidents, so that the safety of an elevator is improved.
In order to achieve the aim, the technical scheme of the invention is to design an elevator landing door system, which comprises an elevator car, a sill assembly and two landing door leaves; the sill assembly comprises a sill bracket and a landing sill, the landing sill is arranged in the sill bracket, two L-shaped supports are arranged at the bottom of the sill bracket and are respectively positioned at two ends of the sill bracket in the length direction, and each L-shaped support comprises a vertical plate and a transverse plate integrally connected to the bottom end of the vertical plate;
the two landing door leaves are arranged above the landing door sill, the bottom of each landing door leaf is provided with a connecting plate, the bottom end of each connecting plate extends into the landing door sill and is provided with a door slider in sliding fit with the landing door sill, the lateral part of each door slider is provided with a transmission block, each transmission block sequentially penetrates through the side walls of the landing door sill and the landing door sill bracket and is connected with a first rack, the length direction of each first rack is consistent with the length direction of the landing door sill bracket, each landing door sill and the landing door sill bracket are respectively provided with a sliding hole for the transmission block to penetrate through and for guiding the transmission block to translate, a transverse screw rod is rotatably penetrated in a vertical plate of each L-shaped bracket, one end of each transverse screw rod is connected with a first gear, the two first gears are respectively meshed with the two first racks, the top of each L-shaped bracket is provided with a transverse slide rail, and the top of each transverse slide rail is slidably connected with a limiting block, a cavity is formed in the limiting block, one end, far away from the first gear, of the transverse screw rod penetrates through the side wall of the limiting block and extends into the cavity of the limiting block, and a threaded hole, through which the transverse screw rod penetrates and which is in threaded connection with the transverse screw rod, is formed in the side wall of the limiting block; the top of the limiting block is provided with a second rack, the length direction of the second rack is perpendicular to the length direction of the sill bracket, a shielding plate is arranged below the sill bracket and positioned between the two L-shaped supports, a rotating shaft is fixedly penetrated in the shielding plate, the length direction of the rotating shaft is consistent with the length direction of the sill bracket, the rotating shaft is rotatably connected to the bottom of the sill bracket, two ends of the rotating shaft are respectively provided with a second gear, and the two second gears are respectively meshed with the two second racks;
the bottom of elevator car is equipped with the fixed plate, is equipped with the jack that supplies stopper and second rack to stretch into on this fixed plate.
Preferably, the bottom of sill bracket is equipped with the pivot seat, and this pivot seat is located sill bracket length direction's intermediate position, the pivot is worn to locate the pivot seat, and the pivot passes through the bearing and is connected with the pivot seat rotation.
Preferably, the shielding plate is provided with an avoiding groove for avoiding the rotating shaft seat.
Preferably, the top of the transverse sliding rail is provided with a T-shaped sliding groove, and the bottom of the limiting block is provided with a T-shaped protrusion in sliding connection with the T-shaped sliding groove.
Preferably, a reinforcing rib is arranged between the vertical plate and the transverse plate.
Preferably, the vertical plate is fixedly connected with the sill bracket in a welding mode.
Preferably, the transverse screw rod is rotatably connected with the vertical plate through a bearing.
The invention has the advantages and beneficial effects that: the elevator landing door system is reasonable in structure and capable of effectively preventing shearing accidents, and therefore safety of an elevator is improved.
When the elevator car is in a flat layer, the two landing door leaves are opened, the landing door leaves drive the door sliding block to slide in the landing door sill in the process, the door sliding block drives the first rack to move through the transmission block, the first rack drives the first gear and the transverse lead screw to rotate, the transverse lead screw drives the limiting block in threaded connection with the transverse lead screw to move towards the fixed plate after rotating, and the limiting block just extends into the jack of the fixed plate until the landing door leaves are opened to a width which can be passed by passengers, so that the elevator car is prevented from moving upwards or downwards, and the occurrence of shearing accidents is avoided; and, at the removal in-process of stopper, the stopper still will drive the second rack and remove, moves second gear and pivot by the second rack and rotate, will drive the shielding plate upset that makes progress after the pivot rotates, when the layer door leaf opens and targets in place, the shielding plate upset 90 degrees and be the horizontality to shelter from by the gap of shielding plate between layer door sill and the elevator car, avoid the passenger to see the well bottom directly through this gap and feel feared. When layer door leaf closes, drive the stopper by a slider through first rack, first gear and horizontal lead screw and keep away from the fixed plate and remove, make the stopper take out from the jack of fixed plate, and simultaneously, the stopper will drive the shielding plate through the second rack, second gear and pivot and overturn downwards, when closing the position until layer door leaf, the stopper is accomplished and is restoreed, the shielding plate then overturns 90 degrees and is vertical state to avoid stopper and shielding plate to influence elevator car's normal operating.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic view of a connecting structure of a limiting block and a transverse sliding rail in the invention.
Fig. 3 is a schematic view of the shielding plate of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1, 2 and 3, an elevator landing door system includes an elevator car 1, a sill assembly and two landing door leaves 2; the sill assembly comprises a sill bracket 3 and a landing sill 4, the landing sill 4 is arranged in the sill bracket 3, two L-shaped supports are arranged at the bottom of the sill bracket 3 and are respectively positioned at two ends of the sill bracket 3 in the length direction, and each L-shaped support comprises a vertical plate 5 and a transverse plate 6 integrally connected to the bottom end of the vertical plate 5;
the two landing door leaves 2 are arranged above the landing door sill 4, the bottom of each landing door leaf 2 is provided with a connecting plate 7, the bottom end of each connecting plate 7 extends into the landing door sill 4 and is provided with a door slider 8 in sliding fit with the landing door sill 4, the lateral part of each door slider 8 is provided with a transmission block 9, each transmission block 9 sequentially penetrates through the side walls of the landing door sill 4 and the landing door bracket 3 and is connected with a first rack 10, the length direction of each first rack 10 is consistent with the length direction of the landing door bracket 3, the landing door sill 4 and the landing door bracket 3 are both provided with sliding holes 11 for the transmission blocks 9 to penetrate through and for guiding the transmission blocks 9 to move horizontally, a transverse screw rod 12 is rotatably arranged in the vertical plate 5 of each L-shaped support in a penetrating manner, one end of each transverse screw rod 12 is connected with a first gear 13, and the two first gears 13 are respectively meshed with the two first racks 10, a transverse slide rail 14 is arranged at the top of the transverse plate 6 of each L-shaped bracket, the top of each transverse slide rail 14 is slidably connected with a limiting block 15, a cavity is arranged inside each limiting block 15, one end, far away from the first gear 13, of each transverse screw rod 12 penetrates through the side wall of each limiting block 15 and extends into the cavity of each limiting block 15, and a threaded hole for the transverse screw rod 12 to penetrate through and is in threaded connection with the transverse screw rod 12 is formed in the side wall of each limiting block 15; the top of the limiting block 15 is provided with a second rack 16, the length direction of the second rack 16 is perpendicular to the length direction of the sill bracket 3, a shielding plate 17 is arranged below the sill bracket 3, the shielding plate 17 is positioned between the two L-shaped brackets, a rotating shaft 18 is fixedly penetrated in the shielding plate 17, the length direction of the rotating shaft 18 is consistent with the length direction of the sill bracket 3, the rotating shaft 18 is rotatably connected to the bottom of the sill bracket 3, two ends of the rotating shaft 18 are respectively provided with a second gear 19, and the two second gears 18 are respectively meshed with the two second racks 16;
the bottom of elevator car 1 is equipped with fixed plate 20, is equipped with on this fixed plate 20 and supplies stopper 15 and the jack 21 that second rack 16 stretched into.
The bottom of the sill bracket 3 is provided with a rotating shaft seat 22, the rotating shaft seat 22 is located at the middle position of the sill bracket 3 in the length direction, the rotating shaft 18 penetrates through the rotating shaft seat 22, and the rotating shaft 18 is rotatably connected with the rotating shaft seat 22 through a bearing.
The shielding plate 17 is provided with an escape groove 23 for escaping the rotating shaft seat 22.
The top of the transverse slide rail 14 is provided with a T-shaped sliding groove, and the bottom of the limiting block 15 is provided with a T-shaped protrusion 24 which is connected with the T-shaped sliding groove in a sliding manner.
And a reinforcing rib 25 is arranged between the vertical plate 5 and the transverse plate 6.
The vertical plate 5 is fixedly connected with the sill bracket 3 in a welding mode.
The transverse screw rod 12 is rotatably connected with the vertical plate 5 through a bearing.
The invention has the advantages and beneficial effects that: the elevator landing door system is reasonable in structure and capable of effectively preventing shearing accidents, and therefore safety of an elevator is improved.
When the elevator car 1 is on the flat floor, the two landing door leaves 2 are opened, in the process, the landing door leaves 2 drive the door sliding blocks 8 to slide in the landing door sills 4, the door sliding blocks 8 drive the first racks 10 to move through the transmission blocks 9, the first racks 10 drive the first gears 13 and the transverse screw rods 12 to rotate, the transverse screw rods 12 drive the limiting blocks 15 in threaded connection with the transverse screw rods to move towards the fixed plate 20 after rotating, and the limiting blocks 15 just stretch into the insertion holes 21 of the fixed plate 20 until the landing door leaves 2 are opened to the width through which passengers can pass, so that the elevator car 1 is prevented from going upwards or downwards, and the occurrence of shearing accidents is avoided; and, in the removal process of stopper 15, stopper 15 will still drive second rack 16 and remove, drive second gear 19 and pivot 18 by second rack 16 and rotate, will drive shielding plate 17 upwards upset after pivot 18 rotates, when opening in place to layer door leaf 2, shielding plate 17 upset 90 degrees and be the horizontality, thereby shelter from by shielding plate 17 the gap between layer door sill 4 and elevator car 1, avoid the passenger to see the well bottom directly through this gap and feel fear. When layer door leaf 2 is closed, pass through first rack 10 by door slider 8, first gear 13 and horizontal lead screw 12 drive stopper 15 and keep away from fixed plate 20 and remove, make stopper 15 take out from jack 21 of fixed plate 20, and simultaneously, stopper 15 will pass through second rack 16, second gear 19 and pivot 18 drive shielding plate 17 and overturn downwards, when layer door leaf 2 closed and target in place, stopper 15 accomplishes and resets, shielding plate 17 then overturns 90 degrees and is vertical state, thereby avoid stopper 15 and shielding plate 17 to influence elevator car 1's normal operating.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. An elevator landing door system comprises an elevator car, a sill assembly and two landing door leaves, and is characterized in that the sill assembly comprises a sill bracket and a landing door sill, the landing door sill is arranged in the sill bracket, two L-shaped supports are arranged at the bottom of the sill bracket and are respectively positioned at two ends of the sill bracket in the length direction, and each L-shaped support comprises a vertical plate and a transverse plate integrally connected to the bottom end of the vertical plate;
the two landing door leaves are arranged above the landing door sill, the bottom of each landing door leaf is provided with a connecting plate, the bottom end of each connecting plate extends into the landing door sill and is provided with a door slider in sliding fit with the landing door sill, the lateral part of each door slider is provided with a transmission block, each transmission block sequentially penetrates through the side walls of the landing door sill and the landing door sill bracket and is connected with a first rack, the length direction of each first rack is consistent with the length direction of the landing door sill bracket, each landing door sill and the landing door sill bracket are respectively provided with a sliding hole for the transmission block to penetrate through and for guiding the transmission block to translate, a transverse screw rod is rotatably penetrated in a vertical plate of each L-shaped bracket, one end of each transverse screw rod is connected with a first gear, the two first gears are respectively meshed with the two first racks, the top of each L-shaped bracket is provided with a transverse slide rail, and the top of each transverse slide rail is slidably connected with a limiting block, a cavity is formed in the limiting block, one end, far away from the first gear, of the transverse screw rod penetrates through the side wall of the limiting block and extends into the cavity of the limiting block, and a threaded hole, through which the transverse screw rod penetrates and which is in threaded connection with the transverse screw rod, is formed in the side wall of the limiting block; the top of the limiting block is provided with a second rack, the length direction of the second rack is perpendicular to the length direction of the sill bracket, a shielding plate is arranged below the sill bracket and positioned between the two L-shaped supports, a rotating shaft is fixedly penetrated in the shielding plate, the length direction of the rotating shaft is consistent with the length direction of the sill bracket, the rotating shaft is rotatably connected to the bottom of the sill bracket, two ends of the rotating shaft are respectively provided with a second gear, and the two second gears are respectively meshed with the two second racks;
the bottom of elevator car is equipped with the fixed plate, is equipped with the jack that supplies stopper and second rack to stretch into on this fixed plate.
2. The elevator landing door system according to claim 1, wherein the bottom of the sill bracket is provided with a rotating shaft seat at a middle position in a length direction of the sill bracket, the rotating shaft is inserted into the rotating shaft seat, and the rotating shaft is rotatably connected to the rotating shaft seat through a bearing.
3. The elevator landing door system according to claim 2, wherein the shielding plate is provided with an avoidance groove for avoiding the rotary shaft seat.
4. The elevator landing door system according to claim 3, wherein the top of the lateral sliding rail is provided with a T-shaped sliding groove, and the bottom of the limiting block is provided with a T-shaped protrusion slidably connected with the T-shaped sliding groove.
5. The elevator landing door system of claim 4, wherein reinforcing ribs are provided between the riser and cross plates.
6. The elevator landing door system of claim 5, wherein the risers are fixedly attached to the sill bracket by welding.
7. An elevator landing door system according to claim 6, wherein the transverse screw is rotatably connected to the riser via a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422275.4A CN112960522B (en) | 2021-04-20 | 2021-04-20 | Elevator landing door system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422275.4A CN112960522B (en) | 2021-04-20 | 2021-04-20 | Elevator landing door system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112960522A true CN112960522A (en) | 2021-06-15 |
| CN112960522B CN112960522B (en) | 2022-08-09 |
Family
ID=76280793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110422275.4A Active CN112960522B (en) | 2021-04-20 | 2021-04-20 | Elevator landing door system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112960522B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009249116A (en) * | 2008-04-07 | 2009-10-29 | Mitsubishi Electric Corp | Elevator sill device and elevator device |
| CN104909250A (en) * | 2015-06-16 | 2015-09-16 | 苏州市华威电梯部件有限公司 | Anti-dropping sill module with barb |
| CN204778244U (en) * | 2015-02-18 | 2015-11-18 | 东芝电梯株式会社 | Elevator device |
| CN105668393A (en) * | 2016-04-25 | 2016-06-15 | 凯斯博电梯有限公司 | Lift car locking mechanism with mechanical landing door |
| CN111960233A (en) * | 2020-09-22 | 2020-11-20 | 重庆迈高电梯有限公司 | Shielding structure for gap between elevator car door sill and hoistway door sill |
-
2021
- 2021-04-20 CN CN202110422275.4A patent/CN112960522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009249116A (en) * | 2008-04-07 | 2009-10-29 | Mitsubishi Electric Corp | Elevator sill device and elevator device |
| CN204778244U (en) * | 2015-02-18 | 2015-11-18 | 东芝电梯株式会社 | Elevator device |
| CN104909250A (en) * | 2015-06-16 | 2015-09-16 | 苏州市华威电梯部件有限公司 | Anti-dropping sill module with barb |
| CN105668393A (en) * | 2016-04-25 | 2016-06-15 | 凯斯博电梯有限公司 | Lift car locking mechanism with mechanical landing door |
| CN111960233A (en) * | 2020-09-22 | 2020-11-20 | 重庆迈高电梯有限公司 | Shielding structure for gap between elevator car door sill and hoistway door sill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112960522B (en) | 2022-08-09 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215000 group 1.3, taohuazhuang village, Zhenze Town, Wujiang District, Suzhou City, Jiangsu Province Applicant after: Meijia Zhixuan Elevator Co.,Ltd. Address before: 215000 group 1.3, taohuazhuang village, Zhenze Town, Wujiang District, Suzhou City, Jiangsu Province Applicant before: SUZHOU MIKAE ELEVATOR CO.,LTD. |
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| GR01 | Patent grant |