CN108792904B - Connecting system of elevator door and sill - Google Patents
Connecting system of elevator door and sill Download PDFInfo
- Publication number
- CN108792904B CN108792904B CN201811026201.3A CN201811026201A CN108792904B CN 108792904 B CN108792904 B CN 108792904B CN 201811026201 A CN201811026201 A CN 201811026201A CN 108792904 B CN108792904 B CN 108792904B
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- Prior art keywords
- sill
- limiting column
- door
- connecting rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- B66B13/30—Constructional features of doors or gates
- B66B13/301—Details of door sills
Landscapes
- Elevator Door Apparatuses (AREA)
Abstract
The invention provides a connecting system of an elevator door and a sill, and belongs to the technical field of machinery. The elevator solves the problem that the existing elevator is easy to cause blockage due to more elevator sill sundries during operation. The elevator door and sill connecting system comprises a door body and a sill body, wherein the door body is suspended above the sill body, a chute which is downwards opened is arranged at the bottom end of the door body, the top surface of the sill body is made into a plane, and a limiting mechanism which protrudes upwards from the top surface of the sill body is arranged on the sill body. The top surface of the sill body is made into a smooth plane, and the door body is limited and guided when being opened and closed by the sliding groove at the bottom end of the door body and the limiting mechanism arranged on the sill body, so that the problem that dust or sundries are accumulated and blocked by the elevator door due to the groove structure of the original sill can be effectively solved, and the failure rate of the elevator is reduced.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a connecting system of an elevator door and a sill.
Background
As world economies rapidly develop since the 90 s of the last century, the technology of developing global elevators is also a daily month and day change. The elevator is not only a walking tool, but also a mark of human civilization, the development of the technology of the elevator is embodying the social progress and civilization, the urban building elevator needs to be still strong along with the promotion of the urban process, but the failure rate of the elevator is always the focus of attention. According to incomplete statistics, the failure rate of more than 70% of elevators is caused by the problem of blockage caused by more elevator sill sundries.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a connecting system of an elevator door and a sill, which aims to solve the technical problem of reducing the failure rate of an elevator.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a connected system of lift-cabin door and sill, includes door body and sill body, the top at the sill body is established in suspension to the door body, its characterized in that, the bottom of door body has downwardly opening's spout, the top surface of sill body makes the plane, and the sill body has the stop gear of upwards protruding sill body top surface.
The sliding groove of the door body is arranged along the opening and closing direction of the door body, the top surface of the sill body is made into a smooth plane, and the sliding groove at the bottom end of the door body and the limiting mechanism arranged on the sill body limit and guide the door body when opening and closing, so that the problem of elevator door blocking caused by dust or sundries accumulation due to the arrangement of the groove structure of the original sill can be effectively solved, and the failure rate of an elevator is reduced.
In the elevator door and sill connecting system, the limiting mechanism comprises a first limiting column and a second limiting column, and the first limiting column and the second limiting column are vertically inserted in the sill body. And the first limit column and the second limit column are arranged at intervals along the length direction of the chute,
in the elevator door and sill connecting system, the limiting mechanism further comprises a connecting rod structure which is arranged in the inner cavity of the sill body and used for driving the second limiting column to lift and lower synchronously with the limiting column, the bottom end of the first limiting column is connected with one end of the connecting rod structure, and the bottom end of the second limiting column is connected with the other end of the connecting rod structure. When the door body is opened, the first limiting column drives the second limiting column to descend downwards relative to the sill body through the connecting rod structure, and when the door body is closed, the first limiting column drives the second limiting column to ascend upwards relative to the sill body through the connecting rod structure.
In the elevator door and sill connecting system, the connecting rod structure comprises a first connecting rod and a second connecting rod, the bottom end of the first limiting column is hinged to one end of the first connecting rod, one end of the second connecting rod is hinged to the other end of the first connecting rod, the bottom end of the second limiting column is hinged to the other end of the second connecting rod, the middle of the first connecting rod is provided with a hinge shaft, and two ends of the hinge shaft are respectively connected to a side wall surface of an inner cavity of a sill body. When the limiting post descends, the first connecting rod is driven to rotate relative to the hinge shaft, and one end of the second connecting rod ascends along with the other end of the first connecting rod, so that the second limiting post is driven to descend; when the first limit post ascends, the first connecting rod is driven to rotate relative to the hinge shaft, one end of the second connecting rod ascends along with the other end of the first connecting rod, and accordingly when the second limit post descends, the first connecting rod is driven to rotate relative to the hinge shaft, one end of the second connecting rod descends along with the other end of the first connecting rod, and the second limit post descends.
In the elevator door and sill connecting system, the first connecting rod is provided with a through groove for the hinged shaft to slide, and the length direction of the through groove is consistent with the length direction of the first connecting rod. The hinge shaft moves in the through groove, so that the position of the first connecting rod and the second connecting rod can be conveniently adjusted during linkage.
In the elevator door and sill connecting system, a groove is formed in the inner wall surface of the inner cavity of the sill body, and the length direction of the groove is horizontally arranged. The end of the hinge shaft is slidably connected in the groove. The hinge shaft moves in the groove, so that the position of the first connecting rod and the second connecting rod can be conveniently adjusted during linkage.
In the elevator door and sill connecting system, the sliding groove comprises a flat section with the same depth and a gradual-increasing gradual-change section with the gradually-increasing depth, and one end with the shallower gradual-change section depth is connected with the flat section in a smooth transition mode.
In the elevator door and sill connecting system, the upper portion of the first limiting column is provided with the blocking edge protruding outwards, the first limiting column is sleeved with the limiting spring, the top end of the limiting spring abuts against the bottom surface of the blocking edge, and the bottom end of the limiting spring abuts against the top surface of the sill body.
In the elevator door and sill connecting system, the top surface of the sill body is provided with a concave notch which is concave downwards, the limiting column vertically penetrates through the bottom surface of the concave notch, the top end of the limiting spring abuts against the bottom surface of the blocking edge, and the bottom end of the limiting spring abuts against the bottom surface of the concave notch.
In the elevator door and sill connecting system, a spherical stop block is arranged at the top end of the first limit post, an elastic wheel is further arranged in the middle of the first limit post, and the elastic wheel is sleeved on the first limit post and is positioned above the stop edge
In the elevator door and sill connecting system, the elevator door is provided with two door bodies in a split structure, and the limiting mechanisms are symmetrically arranged at two ends of the sill body.
Compared with the prior art, the invention has the following advantages:
1. after the top surface of the sill body is made into a smooth plane, dust is not easy to accumulate and the sill body is easy to clean;
2. the second limiting column of the limiting mechanism can lift along with the opening and closing of the door body, so that the guiding limiting function can be realized when the door body is closed and opened, collision to pedestrians caused by the fact that the second limiting column still protrudes out of the sill body after the door body is completely opened can be avoided, and the use safety is improved;
3. by arranging the rotatable elastic wheel, when the door body slides, the elastic wheel rotates along with the door body, the generated friction force is rolling friction, the friction force is small, and the elastic wheel can also provide a buffering force when impacted;
4. the malfunction of the elevator door due to jamming can be reduced.
Drawings
Fig. 1 is a sectional view of an elevator door in a closed state according to an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a sectional view showing a structure in an opened state of an elevator door according to a first embodiment of the present invention.
Fig. 4 is an enlarged view at B in fig. 3.
Fig. 5 is a schematic structural view of a limiting mechanism in a second embodiment of the present invention.
Fig. 6 is a schematic structural view of a limiting mechanism in a third embodiment of the present invention.
In the figure, 1, a door body; 2. a sill body; 201. a notch; 3. a chute; 301. a straight section; 302. a gradual change section; 4. a first limit column; 401. a blocking edge; 402. a stop block; 403. an elastic wheel; 5. a second limit column; 6. a connecting rod structure; 7. a first connecting rod; 8. a second connecting rod; 9. a hinge shaft; 10. a through groove; 11. a limit spring; 12. and a limiting shaft.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Embodiment one:
referring to fig. 1-4, the present embodiment is a connection system of an elevator door and a sill, comprising a door body 1 and a sill body 2, wherein the door body 1 is suspended above the sill body 2, the bottom end of the door body 1 is provided with a chute 3 opening downward, the top surface of the sill body 2 is made into a plane, and the sill body 2 is provided with a limiting mechanism protruding upward from the top surface of the sill body 2.
Specifically, the limiting mechanism comprises a first limiting column 4, a second limiting column 5 and a connecting rod structure 6 which is arranged in the inner cavity of the sill body 2 and used for driving the second limiting column 5 to synchronously lift with the first limiting column 4, the first limiting column 4 and the second limiting column 5 are vertically inserted in the top surface of the sill body 2, the bottom end of the first limiting column 4 is connected with one end of the connecting rod structure 6, and the bottom end of the second limiting column 5 is connected with the other end of the connecting rod structure 6.
Further, the connecting rod structure 6 comprises a first connecting rod 7 and a second connecting rod 8, the bottom end of the first limiting column 4 is hinged to one end of the first connecting rod 7, one end of the second connecting rod 8 is hinged to the other end of the first connecting rod 7, the bottom end of the second limiting column 5 is hinged to the other end of the second connecting rod 8, the middle of the first connecting rod 7 is provided with a hinge shaft 9, two ends of the hinge shaft 9 are respectively connected to a side wall surface of the inner cavity of the sill body 2, the first connecting rod 7 is provided with a through groove 10 for the hinge shaft 9 to slide, and the length direction of the through groove 10 is consistent with that of the first connecting rod 7.
In addition, a groove for sliding the hinge shaft 9 may be formed on the inner wall surface of the inner cavity of the sill body 2.
Further, the chute 3 comprises a flat section 301 with the same depth and a gradual change section 302 with the gradually increased depth, one end of the gradual change section 302 with the shallower depth is connected with the flat section 301 in a smooth transition manner, the top surface of the sill body 2 is provided with a concave notch 201 which is sunken downwards, the first limit post 4 vertically penetrates through the bottom surface of the notch 201, the upper portion of the first limit post 4 is provided with a blocking edge 401 which protrudes outwards, the first limit post 4 is sleeved with a limit spring 11, the top end of the limit spring 11 is abutted against the bottom surface of the blocking edge 401, and the bottom end of the limit spring 11 is abutted against the bottom surface of the notch 201.
The elevator door structure of the single-side door opening can be used, the elevator door structure of the split elevator door can also be used, and the limiting mechanisms are symmetrically arranged at two ends of the sill body 2.
The working principle is explained by the elevator door as a split structure with two door bodies 1: when the two door bodies 1 are in a closed state, the top ends of the first limiting columns 4 are abutted against the gradual change sections 302 of the grooves 3 under the action of the limiting springs 11, meanwhile, the second limiting columns 5 are driven by the connecting rod structure 6 to protrude out of the top surfaces of the sill bodies 2, and the protruding parts of the second limiting columns 5 are located in the straight section 301 of the grooves; when the elevator door is opened, the first limiting column 4 gradually transits to the straight section 301 along with the gradual change section 302, the second limiting column 5 is driven by the connecting rod structure 6 to move downwards, and when the first limiting column 4 is positioned in the straight section 301, the second limiting column 5 is completely sunk into the sill body 2 and is not exposed; when the elevator door is closed, the first limiting column 4 resets under the action of the limiting spring 11, and simultaneously drives the second limiting column 5 to extend upwards from the sill body 2.
Embodiment two:
referring to fig. 5, the second embodiment is basically the same as the first embodiment in that the difference of the limiting mechanism is that the bottom end of the first limiting post 4 abuts against one end of the first connecting rod 7, the middle of the first connecting rod 7 is erected on the limiting shaft 12, the limiting shaft 12 is provided with a torsion spring 13, the torsion spring 13 has a movement trend of forcing the first connecting rod 7 to drive the first limiting post 4 to move upwards, the top surface of the other end of the first connecting rod 7 is provided with a hinge seat, one end of the second connecting rod 8 is hinged on the hinge seat, and the second limiting post 5 is hinged at the other end of the second connecting rod 8.
When the second embodiment is used, the first limiting post 4 is pressed down by the door body 1, the first limiting post 4 drives the first connecting rod 7 to rotate on the limiting shaft 12, and the first connecting rod 7 drives the second connecting rod 8 to link when rotating, so that the second limiting post 5 is lifted up and down together with the first limiting post 4. The non-fixed connection structure is arranged between the first limiting column 4 and the first connecting rod 7 and between the first connecting rod 7 and the limiting shaft 12, and the torsion spring 13 arranged on the limiting shaft 12 not only ensures simple assembly, but also ensures that the two connecting rods cannot be separated from each other during linkage.
Embodiment III:
referring to fig. 6, the third embodiment is basically the same as the first embodiment, except that the structure of the first limit post 4 is different, specifically, the top end of the first limit post 4 is provided with a spherical stop block 402, the middle part of the first limit post 4 is further provided with an elastic wheel 403, and the elastic wheel 403 is sleeved on the first limit post 4 and is located above the stop edge 401. The stopper 402 is convenient for the limit post one 4 to rise and contract under the effect of spout 3, and the elastic wheel 403 is made by polyurethane or other elastic material, and the elastic wheel 403 can rotate along with the axle center of limit post one 4 for the time of door body 1 slides, and the frictional force that produces is rolling friction, and the frictional force is less, and the elastic wheel 403 also can provide a buffer force when striking moreover.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The elevator door and sill connecting system comprises a door body (1) and a sill body (2), wherein the door body (1) is suspended above the sill body (2), the elevator door is characterized in that the bottom end of the door body (1) is provided with a downward opening sliding groove (3), the top surface of the sill body (2) is made into a plane, the sill body (2) is provided with a limiting mechanism protruding upwards from the top surface of the sill body (2), the limiting mechanism comprises a first limiting column (4) and a second limiting column (5), the first limiting column (4) and the second limiting column (5) are vertically inserted on the sill body (2), the first limiting column (4) and the second limiting column (5) are arranged at intervals along the length direction of the sliding groove (3), the limiting mechanism further comprises a connecting rod structure (6) which is arranged in an inner cavity of the sill body (2) and used for driving the second limiting column (5) to synchronously lift with the first limiting column (4), the bottom end of the first limiting column (4) is connected with one end of the connecting rod structure (6), the bottom end of the second limiting column (4) is connected with one end of the connecting rod structure (302) in a gradually-shaped transition section (301) with the smooth section (302) in depth of the horizontal section (302), the upper portion of spacing post one (4) has outside convex fender along (401), and the cover is equipped with spacing spring (11) on spacing post one (4), spacing spring (11) are located between fender along (401) and sill body (2), the top of spacing post one (4) has spherical dog (402), the middle part of spacing post one (4) still is provided with elastic wheel (403), elastic wheel (403) cover is established on spacing post one (4) and is located the top of fender along (401).
2. The elevator door and sill connection system according to claim 1, characterized in that the link structure (6) comprises a first link (7) and a second link (8), the bottom end of the first limit post (4) is hinged at one end of the first link (7), one end of the second link (8) is hinged at the other end of the first link (7), the bottom end of the second limit post (5) is hinged at the other end of the second link (8), the middle part of the first link (7) is provided with a hinge shaft (9), and two ends of the hinge shaft (9) are respectively connected on a side wall surface of the inner cavity of the sill body (2).
3. The elevator door and sill connection system according to claim 2, characterized in that the first link (7) is provided with a through slot (10) for sliding the hinge shaft (9), and the length direction of the through slot (10) is consistent with the length direction of the first link (7).
4. The elevator door and sill connecting system according to claim 2, characterized in that the inner wall surface of the sill body (2) is provided with a groove, and the length direction of the groove is horizontally arranged.
5. The elevator door and sill connection system according to claim 1 or 2 or 3 or 4, characterized in that the sill body (2) has a downwardly concave recess (201) on its top surface, the first stopper post (4) vertically penetrates the bottom surface of the recess (201), the top end of the stopper spring (11) abuts against the bottom surface of the stopper edge (401), and the bottom end of the stopper spring (11) abuts against the bottom surface of the recess (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026201.3A CN108792904B (en) | 2018-09-04 | 2018-09-04 | Connecting system of elevator door and sill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026201.3A CN108792904B (en) | 2018-09-04 | 2018-09-04 | Connecting system of elevator door and sill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108792904A CN108792904A (en) | 2018-11-13 |
| CN108792904B true CN108792904B (en) | 2024-02-20 |
Family
ID=64082055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026201.3A Active CN108792904B (en) | 2018-09-04 | 2018-09-04 | Connecting system of elevator door and sill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108792904B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455606B (en) * | 2018-12-24 | 2024-06-14 | 台州市特种设备检验检测研究院 | Connecting system of cable type elevator door and sill |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009166970A (en) * | 2008-01-17 | 2009-07-30 | Mitsubishi Electric Corp | Elevator door guide device |
| JP2012106835A (en) * | 2010-11-17 | 2012-06-07 | Hitachi Building Systems Co Ltd | Elevator door guide device |
| CN205274980U (en) * | 2015-06-12 | 2016-06-01 | 东芝电梯株式会社 | Elevator door device |
| JP2017001854A (en) * | 2015-06-12 | 2017-01-05 | 東芝エレベータ株式会社 | Door device of elevator |
| KR20180058359A (en) * | 2016-11-24 | 2018-06-01 | 현대엘리베이터주식회사 | Guiding Hall elevator with no structure |
| CN208732410U (en) * | 2018-09-04 | 2019-04-12 | 台州市特种设备监督检验中心 | A kind of connection system of elevator door and sill |
-
2018
- 2018-09-04 CN CN201811026201.3A patent/CN108792904B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009166970A (en) * | 2008-01-17 | 2009-07-30 | Mitsubishi Electric Corp | Elevator door guide device |
| JP2012106835A (en) * | 2010-11-17 | 2012-06-07 | Hitachi Building Systems Co Ltd | Elevator door guide device |
| CN205274980U (en) * | 2015-06-12 | 2016-06-01 | 东芝电梯株式会社 | Elevator door device |
| JP2017001854A (en) * | 2015-06-12 | 2017-01-05 | 東芝エレベータ株式会社 | Door device of elevator |
| KR20180058359A (en) * | 2016-11-24 | 2018-06-01 | 현대엘리베이터주식회사 | Guiding Hall elevator with no structure |
| CN208732410U (en) * | 2018-09-04 | 2019-04-12 | 台州市特种设备监督检验中心 | A kind of connection system of elevator door and sill |
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| Publication number | Publication date |
|---|---|
| CN108792904A (en) | 2018-11-13 |
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Address after: 318000 No. 399, Central Avenue, Taizhou City, Zhejiang Province Applicant after: Taizhou special equipment inspection and Testing Research Institute Address before: 318000, No. 93 Wei'er Road, Taizhou Economic Development Zone, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: TAIZHOU SPECIAL EQUIPMENT SUPERVISION AND INSPECTION CENTER |
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