CN114847698A - Elevator safety seat and elevator - Google Patents
Elevator safety seat and elevator Download PDFInfo
- Publication number
- CN114847698A CN114847698A CN202210715140.1A CN202210715140A CN114847698A CN 114847698 A CN114847698 A CN 114847698A CN 202210715140 A CN202210715140 A CN 202210715140A CN 114847698 A CN114847698 A CN 114847698A
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- China
- Prior art keywords
- plate
- mounting plate
- seat
- elevator safety
- safety seat
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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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Links
- 230000006378 damage Effects 0.000 abstract description 8
- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 208000014674 injury Diseases 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/24—Upholstered seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an elevator safety seat and an elevator, wherein the elevator safety seat comprises a support, an upper diversion sheave assembly, a lower diversion sheave assembly, an upper pressing plate, a lower pressing plate, a seat, at least one first traction rope and a second traction rope, wherein the top of the support is provided with an upper mounting plate, the bottom of the support is provided with a lower mounting plate, the upper diversion sheave assembly is arranged on the upper mounting plate, and the lower diversion sheave assembly is arranged on the lower mounting plate; elastic pieces are arranged between the upper pressure plate and the upper mounting plate and between the lower pressure plate and the lower mounting plate; the seat is arranged on the bracket in a sliding manner; the first traction rope and the second traction rope are fixedly connected with the seat, a first pressing piece used for pressing the upper pressing plate is arranged on the first traction rope, and a second pressing piece used for pressing the lower pressing plate is arranged on the second traction rope. The elevator safety seat can reduce or avoid the injury caused by the accidents of top rushing and bottom squating of the elevator.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator safety seat and an elevator with the same.
Background
With the common use of elevators in people's lives, although the life style of people is facilitated, the safety of elevators becomes the focus of attention of people. In order to avoid safety accidents in a wide range, the elevator is provided with a plurality of safety devices, but in practical use, the elevator has top rushing and bottom rushing accidents due to the reasons of installation, maintenance failure, electrical faults and the like, but even a probability of one in tens of thousands is a potential safety hazard which can happen, so how to avoid the user from being injured when the user takes the elevator is an urgent problem to be solved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an elevator safety seat which can reduce or avoid the injury of an elevator caused by top-rushing and bottom-squating accidents. Meanwhile, the invention further discloses an elevator, which comprises the elevator safety seat.
To achieve the above object, an embodiment of the present invention provides an elevator safety seat including:
the top of the bracket is provided with an upper mounting plate, and the bottom of the bracket is provided with a lower mounting plate;
the upper diversion sheave assembly is arranged on the upper mounting plate, and the lower diversion sheave assembly is arranged on the lower mounting plate;
the upper pressing plate and the lower pressing plate are both positioned between the upper mounting plate and the lower mounting plate, and elastic pieces are arranged between the upper pressing plate and the upper mounting plate and between the lower pressing plate and the lower mounting plate;
the seat is arranged on the bracket in a sliding manner, and a safety belt is arranged on the seat;
at least one first haulage rope and second haulage rope, first haulage rope and second haulage rope all with seat fixed connection, just first haulage rope and second haulage rope all pass top board, last mounting panel, holding down plate, lower mounting panel, pass mounting panel, holding down plate down after the diversion sheave subassembly changes the direction, pass mounting panel, holding down plate down after diversion sheave subassembly change direction down, be equipped with first press part on the first haulage rope, the top board is located between first press part and the upper mounting panel, be equipped with the second press part on the second haulage rope, the holding down plate is located between first press part and the lower mounting panel.
In one or more embodiments of the invention, a first guiding element is arranged on the seat, and a second guiding element matched with the first guiding element is arranged on the bracket.
In one or more embodiments of the present invention, the upper pressing plate, the lower pressing plate, the upper mounting plate, and the lower mounting plate are respectively provided with a positioning portion for positioning the elastic member.
In one or more embodiments of the invention, a rubber ring for reducing noise is provided at a contact position of the upper pressing plate and the first pressing member, and/or a rubber ring for reducing noise is provided at a contact position of the lower pressing plate and the second pressing member.
In one or more embodiments of the present invention, the upper diverting sheave assembly includes an upper fixing base, an upper rotating shaft installed on the upper fixing base, and an upper diverting sheave installed on the upper rotating shaft, and the upper fixing base is installed on the upper installation plate.
In one or more embodiments of the present invention, the lower diverting pulley assembly includes a lower fixing base, a lower rotating shaft installed on the lower fixing base, and a lower diverting pulley installed on the lower rotating shaft, and the lower fixing base is installed on the lower installation plate.
In one or more embodiments of the invention, the elevator safety seat comprises two spaced apart first traction ropes and two spaced apart second traction ropes, between which the two first traction ropes are arranged.
In one or more embodiments of the invention, the seat comprises a seat body and a mounting bracket, the mounting bracket being slidably disposed on the bracket.
In one or more embodiments of the present invention, a shock-absorbing sponge is provided on the seat body.
The invention further discloses an elevator, which comprises the elevator safety seat.
Compared with the prior art, the elevator safety seat provided by the invention has the advantages that the elastic piece is arranged, so that the up-and-down impact force of the seat can be effectively reduced, and the injury to people sitting on the seat is avoided.
Drawings
Fig. 1 is a first perspective view of an elevator safety seat according to an embodiment of the present invention;
fig. 2 is a second perspective view of an elevator safety seat according to an embodiment of the present invention.
Description of the main reference numerals:
10-bracket, 20-upper mounting plate, 30-lower mounting plate, 40-upper diverting pulley component, 41-upper fixing seat, 42-upper rotating shaft, 43-upper diverting pulley, 50-lower diverting pulley component, 60-upper pressing plate, 70-lower pressing plate, 80-seat, 80 a-first guiding element, 81-seat body, 82-mounting frame, a-first traction rope, a 1-first pressing element, b-second traction rope, b 1-second pressing element, c-elastic element, d-rubber ring and e-safety belt.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Referring to fig. 1 and 2, the elevator safety seat disclosed by the invention can reduce or avoid the damage of an elevator caused by top-rushing and bottom-squating accidents. Specifically, the elevator safety seat includes a bracket 10, an upper mounting plate 20, a lower mounting plate 30, an upper deflector sheave assembly 40, a lower deflector sheave assembly 50, an upper platen 60, a lower platen 70, a seat 80, at least one first traction rope a, and at least one second traction rope b.
Wherein, the top of support 10 is installed with last mounting panel 20, and the bottom is installed with lower mounting panel 30, goes up mounting panel 20 and is used for installing diversion sheave assembly 40, and lower mounting panel 30 is used for installing diversion sheave assembly 50 down. In this embodiment, the bottom of the bracket 10 is mounted on the car floor through a fixing plate, and the back of the bracket is connected to the vertical beam of the car, so as to mount and fix the bracket 10.
An upper deflector sheave assembly 40 is mounted to the upper mounting plate 20 for changing the wrap direction of the first and second traction ropes a and b.
A lower deflector sheave assembly 50 is mounted to the lower mounting plate 30 for changing the wrap direction of the first and second traction ropes a and b.
The upper pressing plate 60 and the lower pressing plate 70 are both located between the upper mounting plate 20 and the lower mounting plate 30, an elastic part c is arranged between the upper pressing plate 60 and the upper mounting plate 20, an elastic part c is also arranged between the lower pressing plate 70 and the lower mounting plate 30, and the upper pressing plate 60 and the lower pressing plate 70 are both used for abutting against the corresponding elastic part c. In practice, the elastic member c is preferably selected to be a spring.
The seat 80 is slidably disposed on the frame 10, can slide up and down relative to the frame 10, and is used for a user to ride when the user is riding an elevator.
One end of the first traction rope a is connected with the seat 80, and the opposite end of the first traction rope a sequentially passes through the upper pressing plate 60 and the upper mounting plate 20 and then surrounds the upper pulley assembly 40, and sequentially passes through the upper mounting plate 20, the upper pressing plate 60, the lower pressing plate 70 and the lower mounting plate 30 after changing the direction through the upper pulley assembly 40, further surrounds the lower pulley assembly 50, and sequentially passes through the lower mounting plate 30 and the lower pressing plate 70 after changing the direction through the lower pulley assembly 50 and then is connected with the seat 80. And a first pressing piece a1 is arranged on the first hauling cable a, an upper pressing plate 60 is arranged between the first pressing piece a1 and the upper mounting plate 20, and the first pressing piece a1 is used for pressing the upper pressing plate 60. In practice, the seat 80 presses the upper pressing plate 60 through the first pressing piece a1 on the first pulling rope a during the downward movement, so that the upper pressing plate 60 presses the elastic piece c to achieve the shock absorption effect.
One end of the second traction rope b is connected with the seat 80, and the opposite end of the second traction rope b sequentially passes through the upper pressing plate 60 and the upper mounting plate 20 and then surrounds the upper pulley assembly 40, and sequentially passes through the upper mounting plate 20, the upper pressing plate 60, the lower pressing plate 70 and the lower mounting plate 30 after changing the direction through the upper pulley assembly 40, further surrounds the lower pulley assembly 50, and sequentially passes through the lower mounting plate 30 and the lower pressing plate 70 after changing the direction through the lower pulley assembly 50 and then is connected with the seat 80. And a second pressing part b1 is arranged on the second traction rope b, a lower pressing plate 70 is arranged between the second pressing part b1 and the lower mounting plate 30, and the second pressing part b1 is used for pressing the lower pressing plate 70. In practice, the seat 80 presses the lower pressing plate 70 through the second pressing member b1 on the second pulling rope b during the upward movement, so that the lower pressing plate 70 presses the elastic member c to achieve the shock absorption effect.
In implementation, after a user sits on the seat 80, when the seat 80 seated on the user moves downward, the seat 80 drives the first pressing part a1 to move upward through the first pulling rope a in the downward movement process, the first pressing part a1 further presses the upper pressing plate 60, and the upper pressing plate 60 acts on the elastic part c, so that the elastic part c is stressed and compressed, the purpose of shock absorption can be achieved in the compression process of the elastic part c, and injury to the user is reduced or avoided. When the seat 80 seated by the user moves up and down, the second pressing piece b1 is driven by the second traction rope b to move down in the process that the seat 80 moves up, the second pressing piece b1 further presses the lower pressing plate 70, and the lower pressing plate 70 acts on the elastic piece c, so that the elastic piece c is stressed and compressed, the purpose of shock absorption can be achieved in the compression process of the elastic piece c, and the injury to the user is reduced or avoided.
In this embodiment, the ends of the first and second hauling ropes a and b are connected to the seat 80 by hauling rope clips.
As shown in fig. 2, in order to improve the stability of the elastic member c and prevent the elastic member c from being displaced during the forced compression, the upper pressure plate 60 and the upper mounting plate 20 are provided with positioning portions for positioning the elastic member c therebetween. Of course, the lower platen 70 and the lower mounting plate 30 are provided with positioning portions for positioning the elastic members c therebetween. The positioning part can be a positioning ring in a circular shape.
As shown in fig. 2, in order to avoid or reduce noise generated by the first pressing member a1 during the process of applying a force to the upper pressing plate 60, a rubber ring d is provided at the contact position of the upper pressing plate 60 and the first pressing member a1, and the rubber ring d can avoid or reduce noise. Similarly, in order to avoid or reduce the noise generated by the second pressing element b1 during the process of applying force to the lower pressing plate 70, a rubber ring d is also provided at the contact position of the lower pressing plate 70 and the second pressing element b1, and the rubber ring d can avoid or reduce the noise.
As shown in fig. 2, the upper diverting sheave assembly 40 includes an upper fixing base 41, an upper turning shaft 42, and an upper diverting sheave 43. The upper fixed seat 41 is fixed on the upper mounting plate 20, the upper rotating shaft 42 is rotatably mounted on the upper fixed seat 41, the upper diverting pulley 43 is mounted on the upper rotating shaft 42, and the upper diverting pulley 43 rotates relative to the upper fixed seat 41 through the upper rotating shaft 42. In practice, the first traction rope a is looped around the upper diverting sheave 43, and the first traction rope a can be changed in direction by the upper diverting sheave 43 and moved by the upper diverting sheave 43.
The lower pulley assembly 50 includes a lower fixed base, a lower shaft, and a lower pulley. Wherein, on lower fixing base was fixed in lower mounting panel 30, the lower pivot rotationally installed under on the fixing base, lower diverting pulley was installed under on the pivot, and lower diverting pulley passes through the relative lower fixing base rotation of pivot down. When the traction rope device is used, the second traction rope b is arranged on the lower diversion sheave in a surrounding mode, and the second traction rope b can change the direction through the lower diversion sheave and can move through the lower diversion sheave.
In this embodiment, it is preferred to provide two first traction ropes and two second traction ropes, so that the upper diverting pulley assembly 40 is provided with 4 upper diverting pulleys 43 and the lower diverting pulley assembly 50 is provided with 4 lower diverting pulleys. When the two-rope traction device is implemented, the two first traction ropes and the two second traction ropes are arranged at equal intervals, and the two first traction ropes are arranged between the two second traction ropes. By adopting such an arrangement, the stability of the movement of the seat 80 can be improved.
As shown in fig. 2, in order to improve the stability of the seat 80 during movement, the seat 80 is provided with a first guide 80a, the bracket 10 is provided with a second guide engaged with the first guide 80a, and the seat 80 can be stably moved in the guide direction by the engagement of the first guide 80a and the second guide. In this embodiment, the first guide member 80a is a guide wheel, and the second guide member is a guide rail, but in other embodiments, the first guide member 80a may also be a guide rail, and the second guide member may also be a guide wheel, which may be set according to actual requirements.
In this embodiment, the seat 80 includes a seat body 81 and a mounting bracket 82, the mounting bracket 82 is slidably disposed on the support frame 10, the seat body 81 is fixedly connected to the mounting bracket 82, the seat body 81 is used for passengers to sit on, and the mounting bracket 82 moves relative to the support frame 10 through the cooperation of the first guide 80a and the second guide. In order to take comfort and avoid the injury caused by the elevator rushing to the top or squatting at the bottom, a damping sponge is further arranged on the surface of the seat body 81. Meanwhile, in order to improve safety, a seat belt e is provided to the seat 80.
Further, the mount 82 includes an upper cross member 82a, a lower cross member 82b, and a first left cross member 82c and a first right cross member 82d for connecting the upper cross member 82a to the seat body 81, and a second left cross member 82e and a second right cross member 82f for connecting the lower cross member 82b to the seat body 81. Specifically, the upper cross member 82a and the lower cross member 82b are spaced apart from each other in the up-down direction, the first left cross member 82c and the first right cross member 82d are located on both sides of the upper cross member 82a, the upper cross member 82a is connected to the seat body 81 through the first left cross member 82c and the first right cross member 82d, the second left cross member 82e and the second right cross member 82f are located on both sides of the lower cross member 82b, and the lower cross member 82b is connected to the seat body 81 through the second left cross member 82e and the second right cross member 82 f.
In this embodiment, the first left cross member 82c, the first right cross member 82d, the second left cross member 82e and the second right cross member 82f are all provided with the first guide 80a, so as to improve the stability of the seat 80 during operation.
The invention also discloses an elevator, which is provided with the elevator safety seat.
According to the elevator safety seat, the elastic piece c is arranged, so that the up-and-down impact force of the seat 80 can be effectively reduced, and the injury of a person sitting on the seat 80 is avoided.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. An elevator safety seat, characterized in that the elevator safety seat comprises:
the top of the bracket is provided with an upper mounting plate, and the bottom of the bracket is provided with a lower mounting plate;
the upper diversion sheave assembly is arranged on the upper mounting plate, and the lower diversion sheave assembly is arranged on the lower mounting plate;
the upper pressing plate and the lower pressing plate are both positioned between the upper mounting plate and the lower mounting plate, and elastic pieces are arranged between the upper pressing plate and the upper mounting plate and between the lower pressing plate and the lower mounting plate;
the seat is arranged on the bracket in a sliding manner, and a safety belt is arranged on the seat;
at least one first haulage rope and second haulage rope, first haulage rope and second haulage rope all with seat fixed connection, just first haulage rope and second haulage rope all pass top board, last mounting panel, holding down plate, lower mounting panel, pass mounting panel, holding down plate down after the diversion sheave subassembly changes the direction, pass mounting panel, holding down plate down after diversion sheave subassembly change direction down, be equipped with first press part on the first haulage rope, the top board is located between first press part and the upper mounting panel, be equipped with the second press part on the second haulage rope, the holding down plate is located between second press part and the lower mounting panel.
2. An elevator safety seat according to claim 1, wherein a first guide member is provided on the seat, and a second guide member is provided on the bracket to cooperate with the first guide member.
3. The elevator safety seat according to claim 1, wherein the upper press plate, the lower press plate, the upper mounting plate and the lower mounting plate are provided with positioning parts for positioning the elastic member.
4. The elevator safety seat according to claim 1, wherein a rubber ring for reducing noise is provided at a contact portion of the upper platen with the first pressing member, and/or a rubber ring for reducing noise is provided at a contact portion of the lower platen with the second pressing member.
5. The elevator safety seat according to claim 1, wherein the upper deflector sheave assembly comprises an upper fixing base, an upper rotating shaft mounted on the upper fixing base, and an upper deflector sheave mounted on the upper rotating shaft, the upper fixing base being mounted on the upper mounting plate.
6. The elevator safety seat of claim 1, wherein the lower deflector sheave assembly comprises a lower fixed base, a lower shaft mounted to the lower fixed base, and a lower deflector sheave mounted to the lower shaft, the lower fixed base being mounted to the lower mounting plate.
7. The elevator safety seat according to claim 1, wherein the elevator safety seat comprises two spaced apart first traction ropes and two spaced apart second traction ropes, the two first traction ropes being disposed between the two second traction ropes.
8. An elevator safety seat according to claim 1, wherein the seat includes a seat body and a mounting bracket slidably mounted on the support.
9. The elevator safety seat according to claim 8, wherein a shock-absorbing sponge is provided on the seat body.
10. An elevator characterized by comprising the elevator safety seat according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210715140.1A CN114847698B (en) | 2022-06-22 | 2022-06-22 | Elevator safety seat and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210715140.1A CN114847698B (en) | 2022-06-22 | 2022-06-22 | Elevator safety seat and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114847698A true CN114847698A (en) | 2022-08-05 |
| CN114847698B CN114847698B (en) | 2024-06-25 |
Family
ID=82626337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210715140.1A Active CN114847698B (en) | 2022-06-22 | 2022-06-22 | Elevator safety seat and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114847698B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1735552A (en) * | 2002-11-04 | 2006-02-15 | 通力股份公司 | Tractor sheave elevator without counterweight |
| US20060131109A1 (en) * | 2003-07-09 | 2006-06-22 | Kone Corporation | Control of an elevator |
| US20060243530A1 (en) * | 2003-11-17 | 2006-11-02 | Esko Aulanko | Method for installing an elevator |
| CN207811008U (en) * | 2017-12-29 | 2018-09-04 | 杭州西奥电梯有限公司 | A kind of elevator seat |
| CN209127837U (en) * | 2018-11-05 | 2019-07-19 | 华蕾 | A kind of lift car with safety seat |
| CN213445700U (en) * | 2020-06-28 | 2021-06-15 | 常州市丛禾电梯配件有限公司 | Seat for elevator |
| CN113401770A (en) * | 2021-07-20 | 2021-09-17 | 无为县红庙镇正岗万寿老年公寓 | Automatic lifting seat device for apartment elevator for old people and using method thereof |
| CN217471541U (en) * | 2022-06-22 | 2022-09-23 | 曼隆蒂升电梯有限公司 | Elevator safety seat and elevator |
-
2022
- 2022-06-22 CN CN202210715140.1A patent/CN114847698B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1735552A (en) * | 2002-11-04 | 2006-02-15 | 通力股份公司 | Tractor sheave elevator without counterweight |
| US20060131109A1 (en) * | 2003-07-09 | 2006-06-22 | Kone Corporation | Control of an elevator |
| US20060243530A1 (en) * | 2003-11-17 | 2006-11-02 | Esko Aulanko | Method for installing an elevator |
| CN207811008U (en) * | 2017-12-29 | 2018-09-04 | 杭州西奥电梯有限公司 | A kind of elevator seat |
| CN209127837U (en) * | 2018-11-05 | 2019-07-19 | 华蕾 | A kind of lift car with safety seat |
| CN213445700U (en) * | 2020-06-28 | 2021-06-15 | 常州市丛禾电梯配件有限公司 | Seat for elevator |
| CN113401770A (en) * | 2021-07-20 | 2021-09-17 | 无为县红庙镇正岗万寿老年公寓 | Automatic lifting seat device for apartment elevator for old people and using method thereof |
| CN217471541U (en) * | 2022-06-22 | 2022-09-23 | 曼隆蒂升电梯有限公司 | Elevator safety seat and elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114847698B (en) | 2024-06-25 |
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