CN110877851A - Door knife for elevator cage door - Google Patents

Door knife for elevator cage door Download PDF

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Publication number
CN110877851A
CN110877851A CN201911262331.1A CN201911262331A CN110877851A CN 110877851 A CN110877851 A CN 110877851A CN 201911262331 A CN201911262331 A CN 201911262331A CN 110877851 A CN110877851 A CN 110877851A
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China
Prior art keywords
steel wire
door
spring
roller
spring pin
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Granted
Application number
CN201911262331.1A
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Chinese (zh)
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CN110877851B (en
Inventor
郭立成
张军红
王莉静
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TIANJIN JINGLONG ENGINEERING MACHINERY CO LTD
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TIANJIN JINGLONG ENGINEERING MACHINERY CO LTD
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Priority to CN201911262331.1A priority Critical patent/CN110877851B/en
Publication of CN110877851A publication Critical patent/CN110877851A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02Door or gate operation
    • B66B13/14Control systems or devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30Constructional features of doors or gates

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

The invention provides a door knife for a cage door of an elevator, wherein a first steel wire drives a spring pin to move, the spring pin drives a second steel wire to move, the second steel wire moves around a rotating shaft to drive a spring bolt of a spring bolt body to be separated from a lock catch box, a steel wire lock catch is loosened to be rebounded to the lock catch box, and the door knife can be opened and closed by one person without the help of other people, so that the door knife is convenient and quick. A door vane for a cage door of an elevator comprises a door vane body; the door vane body includes: the spring bolt is arranged in the shell, and a through hole corresponding to the spring bolt is formed in the shell; the second spring catch is fixed on the shell, one end of the steel wire is fixed on the fixing hook, the other end of the steel wire is fixed at one end of the second spring catch, the other end of the second spring catch is connected with the spring bolt, a groove corresponding to the spring bolt is formed in the door of the cage, and the spring bolt is driven to pop out the groove by pulling the steel wire to open the door.

Description

Door knife for elevator cage door
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a door vane for an elevator cage door.
Background
At present, in the building or other industry, an elevator is an indispensable device, and is mainly used for conveying constructors and construction materials in construction. According to the regulations of the Ministry of construction of China in JGJ59-99 building construction safety inspection standards: the safety protection device for falling prevention and stopping of the material hoister such as a derrick and a portal frame are required to be installed, and the major accident that the hoisting steel wire rope is broken and the cage falls due to overload or other reasons possibly occurring in the hoisting process of equipment, so that people are damaged by machines is considered.
At the same time, the door lock device of the cage is also one of the key points. At present, one of the single doors of the construction elevator cage used in the market is provided with no safety device, and the cage can be randomly opened in the vertical running process, so that great potential safety hazards exist; the other type is a simple safety hook, the lower square steel pipe is hooked by the dead weight of the safety hook, and the safety hook can be automatically opened due to vibration of the suspension cage and other factors when the suspension cage runs, so that certain potential safety hazards also exist. Therefore, a door lock device with a reasonable structure and high safety performance needs to be designed.
Disclosure of Invention
In view of the above, the present invention is directed to a door vane for a lift cage door, so as to solve the problem that a person can open and close the door in the cage.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a door vane for a cage door of an elevator comprises a door vane body;
the door vane body includes: the spring bolt is arranged in the shell, and a through hole corresponding to the spring bolt is formed in the shell;
the second spring catch is fixed on the shell, one end of the steel wire is fixed on the fixing hook, the other end of the steel wire is fixed at one end of the second spring catch, the other end of the second spring catch is connected with the spring bolt, a groove corresponding to the spring bolt is formed in the door of the cage, and the spring bolt is driven to pop out the groove by pulling the steel wire to open the door.
Further, the door knife body still includes first spring catch, first roller bearing, second roller bearing, third roller bearing both ends are fixed on the shell, and the inner wall of shell is closely laminated to the outer wall, the steel wire includes first steel wire, second steel wire, first steel wire one end is fixed on the fixed hook, and the other end is fixed in first spring catch one end, second steel wire one end is fixed at the first spring catch other end, and the second steel wire other end is fixed in second spring catch one end, the second steel wire twines one side of first roller bearing, second roller bearing, the closely laminated shell of third roller bearing in proper order.
Furthermore, the first spring pin and the top of the first roller are horizontally arranged, a second steel wire between the first spring pin and the first roller is in a linear type, the second spring pin and the bottom of the third roller are horizontally arranged, and a second steel wire between the second spring pin and the third roller is in a linear type.
Furthermore, the shell is of a word structure, the shell is provided with a spring pin bearing port, a first protrusion and a second protrusion, the first roller is located inside the first protrusion, the second roller is located in the middle of the shell, the third roller is located inside the second protrusion, one end of the spring pin is located in the spring pin bearing port, the other end of the spring pin is located at a position adjacent to the first protrusion and the horizontal position of the top of the first roller, a steel wire outlet is formed in the end portion of the spring pin bearing port, and the first steel wire penetrates through the spring pin bearing port.
Further, first spring catch and second spring catch structure are the same, including casing, connecting pin, spring, the inside cavity that is equipped with of casing, the through-hole that the connecting pin was reserved through casing both ends runs through the casing, the outside fixed mounting spacing ring of connecting pin, the spring cup joints in the outside of connecting pin, and the diameter of spring is less than the diameter of spacing ring, and spring and spacing ring setting are inside the casing.
Compared with the prior art, the door vane for the elevator cage door has the following advantages that:
(1) according to the invention, the first steel wire drives the first spring pin to move, the first spring pin drives the second steel wire to move, the second steel wire moves around the rotating shaft to drive the second spring pin to move, the spring tongue of the second spring pin is separated from the groove on the door, the steel wire lock catch is loosened to rebound to the groove on the door, and the door can be opened and closed by one person without help of other people.
(2) The first spring pin and the second spring pin are matched, so that the automatic fixing of the door is completed, and the door is simple, convenient and labor-saving.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a view of a door vane for an elevator cage door according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a door vane for an elevator cage door according to an embodiment of the present invention;
fig. 3 is a structural sectional view of a spring pin according to an embodiment of the present invention.
Description of reference numerals:
1-a door vane body; 10-spring tongue mouth; 100-a housing; 101-a first protrusion; 102-a second protrusion; 11-a fixed hook; 110-a first spring pin; 12-steel wire; 121-a first steel wire; 122-a second steel wire; 13-steel wire outlet; 14-spring pin carrying port; 15-a first roller; 16-a second roller; 17-a third roller; 18-a second spring pin; 181-a housing; 182-a spring; 183-spacing ring; 184-connecting pin; 19-bolt.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, a door vane for an elevator cage door includes a vane body 1;
the door vane body 1 includes: the spring lock comprises a shell 100, a fixed hook 11, a steel wire 12, a second spring pin 18 and a lock tongue 19, wherein the second spring pin 18 and the lock tongue 19 are arranged in the shell, and a through hole corresponding to the lock tongue 19 is formed in the shell 100;
the second spring catch 18 is fixed on the shell 100, one end of the steel wire 12 is fixed on the fixing hook 11, the other end of the steel wire 12 is fixed at one end of the second spring catch 18, the other end of the second spring catch 18 is connected with the lock tongue 19, a groove corresponding to the lock tongue 19 is formed in the cage door, and the steel wire 12 is pulled to drive the lock tongue 19 to pop out of the groove to open the door.
As shown in fig. 2, the door vane body 1 further includes a first spring pin 110, a first roller 15, a second roller 16, and a third roller 17, two ends of the first roller 15, the second roller 16, and the third roller 17 are fixed on the housing 100, the outer wall is tightly attached to the inner wall of the housing 100, the steel wire 12 includes a first steel wire 121 and a second steel wire 122, one end of the first steel wire 121 is fixed on the fixing hook 11, the other end of the first steel wire is fixed at one end of the first spring pin 110, one end of the second steel wire 122 is fixed at the other end of the first spring pin 110, the other end of the second steel wire 122 is fixed at one end of the second spring pin 19, and the second steel wire 122 is sequentially wound on one side of the housing 100 where the first roller 15, the second roller 16, and the third roller 17 are.
As shown in fig. 2, the first spring pin 110 is horizontally disposed on the top of the first roller 15, the second steel wire 122 between the first spring pin 110 and the first roller 15 is linear, the second spring pin 18 is horizontally disposed on the bottom of the third roller 17, the second steel wire 122 between the second spring pin 122 and the third roller 17 is linear, the first spring pin 110 is horizontally disposed on the top of the first roller 15, the second spring pin 18 is horizontally disposed on the bottom of the third roller 17, and the spring pin and the roller are linear, so as to prevent the steel wire from deviating and increase the wear resistance of the steel wire.
As shown in fig. 1 and 2, the housing 100 is a 3-shaped structure, the housing 100 is provided with a spring pin carrying opening 14, a first protrusion 101, and a second protrusion 102, the first roller 15 is located inside the first protrusion 101, the second roller 16 is located in the middle of the housing 100, the third roller 17 is located inside the second protrusion 102, one end of the spring pin 110 is located inside the spring pin carrying opening 14, the other end of the spring pin is located at a horizontal position adjacent to the top of the first protrusion 101 and the first roller 15, a steel wire outlet 13 is arranged at the end of the spring pin carrying opening 14, and the first steel wire 121 penetrates through the spring pin carrying opening 14.
As shown in fig. 3, the first spring pin 110 and the second spring pin 18 have the same structure, and include a housing 181, a connecting pin 184, and a spring 182, wherein a cavity is provided inside the housing 181, the connecting pin 184 penetrates through the housing 181 through holes reserved at two ends of the housing 181, a limit ring 183 is fixedly mounted on an outer side of the connecting pin 184, the spring 182 is sleeved on the outer side of the connecting pin 184, a diameter of the spring 182 is smaller than a diameter of the limit ring 183, and the spring 182 and the limit ring 183 are disposed inside the housing 181.
The specific embodiment is as follows:
dragging a first steel wire 121 in the suspension cage, wherein the first steel wire 121 drives a first spring pin 110 to retract, the first spring pin 110 drives a second steel wire 122 to move on a rolling shaft, one end of the second steel wire 122 is fixed on a second spring pin 18, the second steel wire 122 drives the second spring pin 18 to retract, so that a bolt 19 retracts into a bolt ejection opening 10, the bolt 19 is separated from a groove, the suspension cage door can be opened, when the steel wire is loosened by hand, the first spring pin 110 resets, the second spring pin 19 also resets, the bolt 19 ejects the bolt ejection opening 10 and ejects into the groove in the door, and the door is automatically fixed;
the first spring pin 110 and the top of the first roller 15 are horizontally arranged, the second spring pin 18 and the bottom of the third roller 17 are horizontally arranged, the spring pin and the roller are in a straight line, and the abrasion resistance of the steel wire is increased in order to prevent the steel wire from deviating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a door sword for lift cage door which characterized in that: comprises a door vane body (1);
the door vane body (1) comprises: the spring lock comprises a shell (100), a fixed hook (11), a steel wire (12), a second spring pin (18) and a lock tongue (19) which are arranged in the shell, wherein a through hole corresponding to the lock tongue (19) is formed in the shell;
the second spring pin (18) is fixed on the shell (100), one end of the steel wire (12) is fixed on the fixing hook (11), the other end of the steel wire (12) is fixed at one end of the second spring pin (18), the other end of the second spring pin (18) is connected with the lock tongue (19), a groove corresponding to the lock tongue (19) is formed in the door of the hanging cage, and the lock tongue (19) is driven to pop out of the groove by pulling the steel wire (12) so that the door can be opened.
2. The door vane for an elevator cage door as claimed in claim 1, wherein: the door vane body (1) also comprises a first spring pin (110), a first roller (15), a second roller (16) and a third roller (17), the two ends of the first roller (15), the second roller (16) and the third roller (17) are fixed on the shell (100), the outer wall is tightly attached to the inner wall of the shell (100), the steel wire (12) comprises a first steel wire (121) and a second steel wire (122), one end of the first steel wire (121) is fixed on the fixed hook (11), the other end is fixed at one end of the first spring pin (110), one end of the second steel wire (122) is fixed at the other end of the first spring pin (110), the other end of the second steel wire (122) is fixed at one end of the second spring pin (19), the second steel wire (122) is wound on one side of the first roller (15), the second roller (16) and the third roller (17) in sequence and tightly attached to the shell (100).
3. The door vane for an elevator cage door as claimed in claim 2, wherein: the first spring pin (110) and the top of the first roller (15) are horizontally arranged, a second steel wire (122) between the first spring pin (110) and the first roller (15) is in a linear type, the second spring pin (18) and the bottom of the third roller (17) are horizontally arranged, and the second steel wire (122) between the second spring pin (122) and the third roller (17) is in a linear type.
4. The door vane for an elevator cage door as claimed in claim 2, wherein: the shell (100) is of a 3-shaped structure, the shell (100) is provided with a spring pin bearing port (14), a first protrusion (101) and a second protrusion (102), a first roller (15) is located inside the first protrusion (101), a second roller (16) is located in the middle of the shell (100), a third roller (17) is located inside the second protrusion (102), one end of the spring pin (110) is located in the spring pin bearing port (14), the other end of the spring pin is located adjacent to the horizontal position of the top of the first protrusion (101) and the first roller (15), a steel wire outlet (13) is formed in the end of the spring pin bearing port (14), and a first steel wire (121) penetrates through the spring pin bearing port (14).
5. The door vane for an elevator cage door as claimed in claim 2, wherein: first spring catch (110) and second spring catch (18) structure are the same, including casing (181), connecting pin (184), spring (182), casing (181) inside is equipped with the cavity, and connecting pin (184) run through casing (181) through the through-hole that casing (181) both ends were reserved, outside fixed mounting spacing ring (183) of connecting pin (184), spring (182) cup joint in the outside of connecting pin (184), and the diameter of spring (182) is less than the diameter of spacing ring (183), and spring (182) and spacing ring (183) set up inside casing (181).
CN201911262331.1A 2019-12-10 2019-12-10 Door knife for lifting cage door of lifter Active CN110877851B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911262331.1A CN110877851B (en) 2019-12-10 2019-12-10 Door knife for lifting cage door of lifter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911262331.1A CN110877851B (en) 2019-12-10 2019-12-10 Door knife for lifting cage door of lifter

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CN110877851A true CN110877851A (en) 2020-03-13
CN110877851B CN110877851B (en) 2023-08-29

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191020444A (en) * 1910-09-01 1911-09-01 Matthew Thomas Medway Safety Locking Devices for Lift Gates or Doors.
CN201842558U (en) * 2010-10-13 2011-05-25 日立电梯(中国)有限公司 Car door locking device of elevator door knife
CN202848788U (en) * 2012-08-17 2013-04-03 广西工凯重工制造有限公司 Safety door locking device of lifter suspension cage
CN203064930U (en) * 2012-12-20 2013-07-17 长沙金阳机械设备科技开发有限公司 Hoister safe hook pulling device
CN203392697U (en) * 2013-07-10 2014-01-15 嘉兴市华东建设机械有限公司 Suspension cage safety door interlocking device and suspension cage safety door
CN203545363U (en) * 2013-11-12 2014-04-16 湖南合力建筑机械制造有限公司 Novel traction type construction hoist
CN104386564A (en) * 2014-11-17 2015-03-04 南通通洋机电制造有限公司 Safety elevator door knife device with locking mechanism
CN204224027U (en) * 2014-11-17 2015-03-25 戴清和 Towing type elevator
JP2018135756A (en) * 2018-05-25 2018-08-30 ホーチキ株式会社 Fire door locking and unlocking device
CN208648508U (en) * 2018-08-15 2019-03-26 朱雯 A kind of asynchronous car door lock door lock device of elevator
CN211769686U (en) * 2019-12-10 2020-10-27 天津京龙工程机械有限公司 Locking device for cage door of elevator

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191020444A (en) * 1910-09-01 1911-09-01 Matthew Thomas Medway Safety Locking Devices for Lift Gates or Doors.
CN201842558U (en) * 2010-10-13 2011-05-25 日立电梯(中国)有限公司 Car door locking device of elevator door knife
CN202848788U (en) * 2012-08-17 2013-04-03 广西工凯重工制造有限公司 Safety door locking device of lifter suspension cage
CN203064930U (en) * 2012-12-20 2013-07-17 长沙金阳机械设备科技开发有限公司 Hoister safe hook pulling device
CN203392697U (en) * 2013-07-10 2014-01-15 嘉兴市华东建设机械有限公司 Suspension cage safety door interlocking device and suspension cage safety door
CN203545363U (en) * 2013-11-12 2014-04-16 湖南合力建筑机械制造有限公司 Novel traction type construction hoist
CN104386564A (en) * 2014-11-17 2015-03-04 南通通洋机电制造有限公司 Safety elevator door knife device with locking mechanism
CN204224027U (en) * 2014-11-17 2015-03-25 戴清和 Towing type elevator
JP2018135756A (en) * 2018-05-25 2018-08-30 ホーチキ株式会社 Fire door locking and unlocking device
CN208648508U (en) * 2018-08-15 2019-03-26 朱雯 A kind of asynchronous car door lock door lock device of elevator
CN211769686U (en) * 2019-12-10 2020-10-27 天津京龙工程机械有限公司 Locking device for cage door of elevator

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