CN210914904U - Protective device for elevator car door - Google Patents

Protective device for elevator car door Download PDF

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Publication number
CN210914904U
CN210914904U CN201921865962.8U CN201921865962U CN210914904U CN 210914904 U CN210914904 U CN 210914904U CN 201921865962 U CN201921865962 U CN 201921865962U CN 210914904 U CN210914904 U CN 210914904U
Authority
CN
China
Prior art keywords
locking
hook
sliding plate
car door
hook arm
Prior art date
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.)
Expired - Fee Related
Application number
CN201921865962.8U
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Chinese (zh)
Inventor
林耀有
周光涛
王东亮
夏汉兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Shuling Elevator Engineering Co ltd
Original Assignee
Shenzhen Shuling Elevator Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Shuling Elevator Engineering Co ltd filed Critical Shenzhen Shuling Elevator Engineering Co ltd
Priority to CN201921865962.8U priority Critical patent/CN210914904U/en
Application granted granted Critical
Publication of CN210914904U publication Critical patent/CN210914904U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a protective device for elevator car doors, which comprises a first car door and a second car door which can translate relatively respectively, wherein the top ends of the first car door and the second car door are respectively provided with a first sliding plate and a second sliding plate corresponding to the positions of the first car door and the second car door, the first sliding plate is provided with a first latch hook, the second sliding plate is provided with a locking mechanism for locking the first latch hook, the locking mechanism comprises a hook arm, a second latch hook, a rotating shaft and a spring, the second latch hook is positioned at one end of the hook arm close to the first latch hook, one end of the hook arm far away from the second latch hook is provided with a driving mechanism for driving the hook arm, the spring is positioned at one side of the hook arm close to the second latch hook, and the two opposite ends of the spring are respectively fixedly connected with the second sliding plate and the hook arm, one end of the rotating shaft far away from the second sliding plate passes through the middle part of the hook arm, and is rotatably connected with the hook arm. The utility model discloses have the automatic effect of opening of elevator sedan-chair door that prevents.

Description

Protective device for elevator car door
Technical Field
The utility model belongs to the technical field of safety device's technique and specifically relates to a protector of elevator sedan-chair door is related to.
Background
At present, in the safety protection measures of the elevator, a detection switch is mainly installed at a relevant position of equipment, when the opening of a car door is detected, a system cannot send a car motion signal, only when the closing of the car door is detected, the system sends the car motion signal, and at the moment, the elevator car can ascend or descend.
Safety accidents caused by elevator faults have gradually attracted attention of big families, and the problem that an elevator car door is automatically opened in the running process of an elevator is always an important hidden danger of the elevator, so that the life safety of passengers is influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a protector of elevator sedan-chair door has the automatic effect of opening of preventing elevator sedan-chair door.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a protection device for an elevator car door comprises a first car door and a second car door which can translate relatively, wherein a first sliding plate and a second sliding plate corresponding to the first car door and the second car door are respectively arranged at the top ends of the first car door and the second car door, a first lock hook is arranged on the first sliding plate, a locking mechanism used for locking the first lock hook is arranged on the second sliding plate, the locking mechanism comprises a hook arm, a second lock hook matched with the first lock hook, and a rotating shaft and a spring which are arranged on the second sliding plate, the second lock hook is arranged at one end, close to the first lock hook, of the hook arm, a driving mechanism used for driving the hook arm is arranged at one end, far away from the second lock hook, of the hook arm, the spring is arranged at one side, close to the second lock hook, two opposite ends of the spring are respectively fixedly connected with the second sliding plate and the hook arm, and one end, far away from the second sliding plate, of the rotating shaft penetrates through the middle of the hook arm, and is rotatably connected with the hook arm.
Through adopting above-mentioned technical scheme, when first sedan-chair door and the mutual translation of second sedan-chair door were closed, first sliding plate and second sliding plate were close to the laminating each other, received the extrusion force of lifting after the second latch hook contact first latch hook, and the spring was in the state of compression this moment for the second latch hook revolves the axis of rotation and lifts on, with the interlock of first latch hook, and first sedan-chair door and second sedan-chair door pin can not open the door automatically. When the elevator needs to open the door, actuating mechanism drive hook arm to the lifting second latch hook reaches the effect of unblanking.
The utility model discloses further set up to: the driving mechanism comprises a screw rod, a sleeve and a motor arranged on the second sliding plate, an output shaft of the motor is fixedly connected with the end part of the screw rod, the screw rod penetrates through the sleeve and is in threaded connection with the sleeve, and one end, far away from the second locking hook, of the hook arm is hinged to the outer peripheral surface of the sleeve.
Through adopting above-mentioned technical scheme, the motor drive lead screw rotates, because lead screw and sleeve threaded connection for upwards or move down at motor pivoted in-process sleeve, when the sleeve moves down, under the effect of axis of rotation, the hook arm upwards lifting second latch hook, make second latch hook and first latch hook separation, reach the purpose of unblanking.
The utility model discloses further set up to: and the outer surfaces of the first locking hook and the second locking hook are coated with wear-resistant layers.
Through adopting above-mentioned technical scheme, the phenomenon that wearing and tearing are more serious can appear in first latch hook and second latch hook need often the interlock, and the wearing layer that sets up first latch hook and second latch hook effectively improves life.
The utility model discloses further set up to: the fixed mount pad that is provided with in one side that the second latch hook was kept away from to first latch hook, the mount pad can be dismantled with first slide plate through fixed subassembly and is connected, fixed subassembly includes locking lever, locking piece and locking hole, the one end and the first slide plate of locking lever rotate to be connected, the one end and the locking piece fixed connection of first slide plate are kept away from to the locking lever, locking piece and mount pad looks butt, the locking hole is seted up on the mount pad, the locking lever is located the locking hole, the locking hole sets up to the rectangle with the cross sectional shape of locking piece, the cross sectional shape size in locking hole is greater than the cross sectional shape size of locking piece.
By adopting the technical scheme, the locking block is rotated to enable the direction of the locking block to be consistent with that of the locking hole on the mounting seat, the locking hole on the mounting seat is slid in along the locking rod, the end face of the mounting seat is abutted to the first sliding plate, and then the mounting seat is mounted and fixed on the first sliding plate by rotating the locking block; when the mounting seat and the first sliding plate need to be separated, the locking block is rotated to enable the direction of the locking block to be consistent with that of the locking hole, and the mounting seat is moved away from the first sliding plate, so that the mounting seat and the first sliding plate can be separated; the whole process is convenient to disassemble and assemble, and the first lock hook is favorable for being replaced and reinstalled due to serious abrasion.
The utility model discloses further set up to: the mounting seat is provided with a plurality of guide rods on the end face close to the first sliding plate, the first sliding plate is provided with a slot for inserting the guide rods, a compression spring is arranged in the slot, one end of the compression spring is fixedly connected with the bottom of the slot, and the other end of the compression spring is tightly abutted to one end, far away from the mounting seat, of the guide rods.
Through adopting above-mentioned technical scheme, in fixing the mount pad on first slide plate back guide bar inserts the slot, compression spring had an outside tension this moment, had a power of upwards pushing up to the mount pad for mount pad and locking piece are more abundant support tight, thereby make the more firm fixing of mount pad on first slide plate.
The utility model discloses further set up to: the guide rods are arranged in two numbers, and the two guide rods are symmetrically arranged on two sides of the locking hole respectively.
Through adopting above-mentioned technical scheme, two guide bars symmetry set up in the both sides of locking hole for locking piece more balanced butt on the mount pad of atress.
The utility model discloses further set up to: and a chamfer is formed on the end face, close to the mounting seat, of the locking block.
Through adopting above-mentioned technical scheme, the setting of chamfer makes the locking piece insert the locking hole more easily, accomplishes the separation or the fixed of mount pad and first slide plate.
To sum up, the utility model discloses a beneficial technological effect does:
1. the first sliding plate and the second sliding plate are close to each other and attached, and the second lock hook is subjected to uplifting extrusion force after contacting the first lock hook, so that the second lock hook rotates around the rotating shaft and uplifts, is occluded with the first lock hook, locks the first car door and the second car door, and cannot automatically open the door;
2. when the sleeve moves downwards, the hook arm lifts the second lock hook upwards under the action of the rotating shaft, so that the second lock hook is separated from the first lock hook, and the unlocking purpose is achieved;
3. the arrangement of the fixing assembly facilitates the replacement and reinstallation of the first lock hook due to severe wear.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is another overall structural schematic diagram of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a first car door; 11. a first slide plate; 12. a slot; 13. a compression spring; 2. a second car door; 21. a second slide plate; 3. a mounting seat; 31. a first latch hook; 32. a guide bar; 4. a locking mechanism; 41. a second latch hook; 42. a hook arm; 43. a spring; 44. a rotating shaft; 5. a drive mechanism; 51. a screw rod; 52. a sleeve; 53. a motor; 6. a fixing assembly; 61. a locking lever; 62. a locking block; 63. a locking hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the protection device for the elevator car door disclosed by the present invention comprises a first car door 1 and a second car door 2, wherein the first car door 1 and the second car door 2 can move horizontally relatively; the fixed first slide plate 11 that is provided with in top of first sedan-chair door 1, the fixed second slide plate 21 that is provided with in top of second sedan-chair door 2, first slide plate 11 and second slide plate 21 are the channel-section steel board of the same one side of port orientation, and the channel-section steel board includes the intermediate lamella and the fixed curb plate that sets up in the relative both sides of intermediate lamella. The side plate of the first sliding plate 11 close to the first car door 1 is provided with a mounting seat 3, one end of the mounting seat 3 close to the second car door 2 is provided with a first lock hook 31, the middle plate of the second sliding plate 21 is provided with a locking mechanism 4 for locking the first lock hook 31, the side plate of the second sliding plate 21 close to the second car door 2 is provided with a driving mechanism 5, and the driving mechanism 5 drives the locking mechanism 4.
As shown in fig. 2, the locking mechanism 4 includes a second locking hook 41, a hook arm 42, a spring 43, and a rotating shaft 44 disposed on the middle plate of the second sliding plate 21, one end of the hook arm 42 is fixedly connected to the second locking hook 41, the second locking hook 41 is fastened to the first locking hook 31, the driving mechanism 5 is located at one end of the hook arm 42 away from the second locking hook 41, and drives the hook arm 42 to swing up and down, and one end of the rotating shaft 44 away from the middle plate of the second sliding plate 21 passes through the middle of the hook arm 42 and is rotatably connected to the hook arm 42. Spring 43 is located at one side of hook arm 42 close to second latch hook 41, and two opposite ends of spring 43 are fixedly connected with hook arm 42 and the side plate of second sliding plate 21 far away from second car door 2. The outer surfaces of the first locking hook 31 and the second locking hook 41 are coated with wear-resistant layers. Therefore, when the first sliding plate 11 and the second sliding plate 21 are close to each other and attached to each other, the second locking hook 41 is pressed by the upward lifting force after contacting the first locking hook 31, and at this time, the spring 43 is in a compressed state, so that the second locking hook 41 rotates around the rotating shaft 44 and is lifted upward to engage with the first locking hook 31, the first car door 1 and the second car door 2 are locked, and the automatic door opening cannot be performed.
As shown in fig. 2, the driving mechanism 5 includes a screw 51, a sleeve 52 and a motor 53, the motor 53 is located on a side plate of the second sliding plate 21 close to the second car door 2, an output shaft of the motor 53 is fixedly connected with the screw 51, the screw 51 passes through the sleeve 52 and is in threaded connection with the sleeve 52, and an outer peripheral surface of the sleeve 52 is hinged to one end of the hook arm 42 away from the second locking hook 41. Thereby, the motor 53 drives the screw rod 51 to rotate, and the sleeve 52 can move up and down along the screw rod 51 due to the threaded connection between the screw rod 51 and the sleeve 52; when the sleeve 52 moves downward, the hook arm 42 lifts the second locking hook 41 upward under the action of the rotating shaft 44, so that the second locking hook 41 is separated from the first locking hook 31, and the unlocking purpose is achieved.
As shown in fig. 1 and 3, the side plates of the mounting base 3 and the first sliding plate 11 close to the first car door 1 are detachably connected through the fixing assembly 6, the fixing assembly 6 includes a locking rod 61, a locking block 62 and a locking hole 63, one end of the locking rod 61 is rotatably connected with the side plate of the first sliding plate 11 close to the first car door 1, the other end of the locking rod 61 is fixedly connected with the locking block 62, and the end face of the locking block 62 close to the mounting base 3 is provided with a chamfer. The locking block 62 is abutted against the mounting seat 3, the locking hole 63 is positioned on the mounting seat 3, the locking rod 61 is positioned in the locking hole 63, the cross sections of the locking hole 63 and the locking block 62 are rectangular, and the cross section of the locking hole 63 is larger than that of the locking block 62. Therefore, the locking block 62 is rotated to enable the direction of the locking block 62 to be consistent with the direction of the locking hole 63 on the installation seat, the locking hole 63 on the installation seat 3 slides in along the locking rod 61, the end face of the installation seat 3 is abutted to the side plate of the first sliding plate 11, then the installation seat 3 is installed and fixed on the first sliding plate 11 by rotating the locking block 62, and the whole process is favorable for replacement and reinstallation of the first lock hook 31 due to serious abrasion.
As shown in fig. 2 and 3, two guide rods 32 are disposed on the end surface of the mounting base 3 close to the first sliding plate 11, and the two guide rods 32 are symmetrically disposed on two sides of the locking hole 63. The first sliding plate 11 is provided with a slot 12 for inserting the guide rod 32 on the side plate close to the first car door 1, a compression spring 13 is arranged in the slot 12, one end of the compression spring 13 is fixedly connected with the bottom of the slot 12, and the other end of the compression spring 13 abuts against one end of the guide rod 32 far away from the mounting seat 3. Thus, guide rod 32 is inserted into slot 12, and compression spring 13 has an outward tension to push mounting base 3 upward, so that mounting base 3 is more firmly fixed to the side plate of first sliding plate 11 close to first door 1.
The implementation principle of the embodiment is as follows: when the first car door 1 and the second car door 2 are mutually translated and closed, the first sliding plate 11 and the second sliding plate 21 are close to each other and attached, the second locking hook 41 is in contact with the first locking hook 31 and then is subjected to upward-lifting extrusion force, and the spring 43 is in a compressed state, so that the second locking hook 41 rotates around the rotating shaft 44 and is lifted upward to be meshed with the first locking hook 31, and the first car door 1 and the second car door 2 are locked and cannot be automatically opened. When the elevator needs to open the door, the motor 53 drives the screw rod 51 to rotate, and as the screw rod 51 is in threaded connection with the sleeve 52, the sleeve 52 moves upwards or downwards in the rotating process of the motor 53, and when the sleeve 52 moves downwards, the hook arm 42 lifts the second locking hook 41 upwards under the action of the rotating shaft 44, so that the second locking hook 41 is separated from the first locking hook 31, and the unlocking purpose is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a protector of elevator sedan-chair door, includes first sedan-chair door (1) and second sedan-chair door (2) of translation relatively respectively, the top of first sedan-chair door (1) and second sedan-chair door (2) is provided with respectively and slides board (11) and second slide board (21) corresponding with first sedan-chair door (1) and second sedan-chair door (2) position, its characterized in that: the first sliding plate (11) is provided with a first lock hook (31), the second sliding plate (21) is provided with a locking mechanism (4) for locking the first lock hook (31), the locking mechanism (4) comprises a hook arm (42), a second lock hook (41) matched with the first lock hook (31), and a rotating shaft (44) and a spring (43) which are arranged on the second sliding plate (21), the second lock hook (41) is positioned at one end of the hook arm (42) close to the first lock hook (31), one end of the hook arm (42) far away from the second lock hook (41) is provided with a driving mechanism (5) for driving the hook arm (42), the spring (43) is positioned at one side of the hook arm (42) close to the second lock hook (41), two opposite ends of the spring (43) are respectively fixedly connected with the second sliding plate (21) and the hook arm (42), one end of the rotating shaft (44) far away from the second sliding plate (21) passes through the middle part of the hook arm (42), and is rotatably connected with the hook arm (42).
2. The elevator car door protection device of claim 1, wherein: the driving mechanism (5) comprises a screw rod (51), a sleeve (52) and a motor (53) arranged on the second sliding plate (21), an output shaft of the motor (53) is fixedly connected with the end part of the screw rod (51), the screw rod (51) penetrates through the sleeve (52) and is in threaded connection with the sleeve (52), and one end, far away from the second locking hook (41), of the hook arm (42) is hinged to the outer peripheral surface of the sleeve (52).
3. The elevator car door protection device of claim 1, wherein: and the outer surfaces of the first locking hook (31) and the second locking hook (41) are coated with wear-resistant layers.
4. The elevator car door guard of claim 3, wherein: a mounting seat (3) is fixedly arranged on one side of the first locking hook (31) far away from the second locking hook (41), the mounting seat (3) is detachably connected with the first sliding plate (11) through a fixing component (6), the fixing component (6) comprises a locking rod (61), a locking block (62) and a locking hole (63), one end of the locking rod (61) is rotationally connected with the first sliding plate (11), one end of the locking rod (61) far away from the first sliding plate (11) is fixedly connected with the locking block (62), the locking block (62) is abutted against the mounting seat (3), the locking hole (63) is arranged on the mounting seat (3), the locking rod (61) is positioned in a locking hole (63), the cross sections of the locking hole (63) and the locking block (62) are rectangular, the cross-sectional shape and size of the locking hole (63) are larger than those of the locking block (62).
5. The elevator car door protection device of claim 4, wherein: the mounting seat is characterized in that a plurality of guide rods (32) are arranged on the end face, close to the first sliding plate (11), of the mounting seat (3), inserting slots (12) for the guide rods (32) to insert are formed in the first sliding plate (11), compression springs (13) are arranged in the slots (12), one ends of the compression springs (13) are fixedly connected with the bottoms of the slots (12), and the other ends of the compression springs (13) are abutted to one ends, far away from the mounting seat (3), of the guide rods (32).
6. The elevator car door guard of claim 5, wherein: the number of the guide rods (32) is two, and the two guide rods (32) are symmetrically arranged on two sides of the locking hole (63) respectively.
7. The elevator car door guard of claim 6, wherein: and a chamfer is formed on the end face, close to the mounting seat (3), of the locking block (62).
CN201921865962.8U 2019-10-31 2019-10-31 Protective device for elevator car door Expired - Fee Related CN210914904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921865962.8U CN210914904U (en) 2019-10-31 2019-10-31 Protective device for elevator car door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921865962.8U CN210914904U (en) 2019-10-31 2019-10-31 Protective device for elevator car door

Publications (1)

Publication Number Publication Date
CN210914904U true CN210914904U (en) 2020-07-03

Family

ID=71360940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921865962.8U Expired - Fee Related CN210914904U (en) 2019-10-31 2019-10-31 Protective device for elevator car door

Country Status (1)

Country Link
CN (1) CN210914904U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114644280A (en) * 2022-03-10 2022-06-21 浙江智菱科技有限公司 Elevator landing door structure and door opening method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114644280A (en) * 2022-03-10 2022-06-21 浙江智菱科技有限公司 Elevator landing door structure and door opening method
CN114644280B (en) * 2022-03-10 2024-02-20 浙江智菱科技有限公司 Elevator landing door structure and door opening method

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Granted publication date: 20200703