Portable installation elevator door vane device

By utilizing a portable elevator door knife device with a main body, telescopic and positioning mechanism, the problem of unstable elevator door knife device structure is solved, realizing accurate opening and closing of elevator doors and stable operation, thus improving the safety and versatility of the elevator system.

CN223920835UActive Publication Date: 2026-02-17FOSHAN YONGDA ELEVATOR PARTS CO LTD
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Patent Information

Application Number
CN202520689262.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-17
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

The existing elevator door knife device has an unreasonable main structure design, resulting in unstable connections between various components, which affects the accuracy and stability of elevator door opening and closing, and increases safety hazards.

Method used

The portable elevator door knife device includes a main body, a telescopic mechanism, and a positioning mechanism. The main and auxiliary blades are connected by a rotating shaft. The telescopic mechanism allows for flexible adjustment, and the positioning mechanism ensures positional accuracy, adapting to the installation position and spacing requirements of different elevator door lock models.

Benefits of technology

It improves the accuracy and stability of elevator door opening and closing, enhances the versatility and adaptability of the device, reduces maintenance and upgrade costs, and ensures the safety and reliability of the elevator door system.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223920835U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of elevator door vane devices, and discloses a portable installation elevator door vane device which comprises a main body mechanism, a telescopic mechanism is arranged on one side of the main body mechanism, and a positioning mechanism is arranged on one side of the telescopic mechanism. The main body mechanism is arranged, the first connecting plate and the second connecting plate are fixedly connected, the whole door knife device is supported, the overall stability of the device is improved, the main blade and the auxiliary blade are connected with the top of the first connecting plate and the top of the second connecting plate through the rotating shafts respectively, and therefore the door knife device is convenient to use. In the opening and closing process of an elevator door, the main blade and the auxiliary blade can be accurately matched with a door lock of a landing door, reliable unlocking and door closing actions are achieved, and the accuracy and stability of opening and closing of the elevator door are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator door knife device technical field especially relates to a portable installation's elevator door knife device. BACKGROUND

[0002] With the acceleration of urbanization, high -rise building increases day by day, and elevator as vertical traffic's key equipment, its safety and reliability are very important. Elevator door knife device as one of the core components of elevator door system, directly related to whether elevator door can normally open and close, and then influence the safety and convenient travel of passenger.

[0003] The main structure design of some existing elevator door knife device is not reasonable enough, and the connection between components is not stable enough. In the long-term operation process of the elevator, frequent door opening and closing actions and the vibration generated during the operation of the elevator can easily cause the structure of the door knife device to deform, thereby affecting the matching precision of the main and auxiliary blades and the door lock of the landing door, reducing the accuracy and stability of the opening and closing of the elevator door, and increasing the safety hazard. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a portable installation's elevator door knife device.

[0005] The utility model adopts the following technical scheme: a portable installation's elevator door knife device, including main body mechanism, the one side of main body mechanism is provided with telescopic mechanism, the one side of telescopic mechanism is provided with positioning mechanism,

[0006] The main body mechanism includes a first connecting plate, a second connecting plate is fixedly connected to one side of the first connecting plate, a main blade is fixedly connected to the top of the first connecting plate through a rotating shaft, and a vice blade is fixedly connected to the top of the second connecting plate through a rotating shaft.

[0007] Preferably, the telescopic mechanism includes a connecting sleeve, a connecting rod is fixedly connected to one side of the connecting sleeve, a fixed rod is fixedly connected to the surface of the connecting rod, a first connecting shaft is rotatably connected to the surface of the connecting sleeve through a support frame, a rotating shaft is fixedly connected to one side of the first connecting shaft through the inner wall of a rotating rod, and a second connecting shaft is fixedly connected to the surface of the rotating shaft through the inner wall of the connecting rod.

[0008] Preferably, the number of telescopic mechanisms is two, and the two telescopic mechanisms are symmetrically distributed around the main body mechanism.

[0009] Preferably, the connecting sleeve is fixedly connected to the bottom of the second connecting plate through the connecting sleeve, and the second connecting shaft is fixedly connected to the surface of the connecting rod through the support frame.

[0010] Preferably, the positioning mechanism comprises a fixed plate, both sides of the fixed plate are fixedly connected with limiting plates, both sides of the limiting plate are fixedly connected with support plates, a first connecting sleeve is fixedly connected in a limiting groove on the surface of the support plate, a telescopic block is sleeved on one side of the first connecting sleeve, and a spring is fixedly connected to the side, away from the first connecting sleeve, of the telescopic block.

[0011] Preferably, the fixed plate is fixedly connected with the second connecting plate through a connecting shaft on the side, away from the limiting plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a main body mechanism is further fixedly connected with the first connecting plate and the second connecting plate, and further provides support for the whole door blade device, improves the stability of the whole device, and the main blade and the auxiliary blade are connected with the top of the first connecting plate and the second connecting plate through the rotating shaft respectively, so that the main blade and the auxiliary blade can rotate flexibly, can accurately cooperate with the landing door lock in the process that the elevator door opens and closes, realizes reliable unlocking and door closing actions, and improves the accuracy and stability of the opening and closing of the elevator door.

[0014] The utility model discloses a telescopic mechanism, and the connecting sleeve, the connecting rod, the fixed rod and the connecting shaft are matched with each other, can realize flexible telescopic, and the two telescopic mechanisms are symmetrically distributed with the main body mechanism as the center, so that the distance between the door blade device and the elevator door lock can be accurately adjusted to adapt to the installation position and spacing requirement of different models of elevator door locks, and the versatility and adaptability of the door blade device are greatly improved. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the main body mechanism structure schematic diagram of the utility model;

[0017] Figure 3 It is the telescopic mechanism structure schematic diagram of the utility model;

[0018] Figure 4 It is the positioning mechanism structure schematic diagram of the utility model;

[0019] Figure 5 It is the telescopic mechanism structure schematic diagram of the utility model;

[0020] Main symbol explanation:

[0021] 1, main mechanism, 101, first connecting plate, 102, second connecting plate, 103, main blade, 104, auxiliary blade, 2, telescopic mechanism, 201, connecting sleeve, 202, connecting rod, 203, fixed rod, 204, first connecting shaft, 205, rotating shaft, 206, second connecting shaft, 3, positioning mechanism, 301, fixed plate, 302, limiting plate, 303, support plate, 304, first connecting sleeve, 305, telescopic block, 306, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The specific embodiments are given below

[0024] Please refer to Figure 1 、 Figure 2 The portable installed elevator door blade device of the embodiment comprises a main mechanism 1, one side of the main mechanism 1 is provided with a telescopic mechanism 2, one side of the telescopic mechanism 2 is provided with a positioning mechanism 3; the main mechanism 1 comprises a first connecting plate 101, one side of the first connecting plate 101 is fixedly connected with a second connecting plate 102, the top of the first connecting plate 101 is fixedly connected with a main blade 103 through a rotating shaft 205, the top of the second connecting plate 102 is fixedly connected with an auxiliary blade 104 through the rotating shaft 205; when the elevator door system runs, when receiving the door opening instruction, the car door starts to move, drives the main mechanism 1 to move together, the main blade 103 and the auxiliary blade 104 move along the movement track of the car door under the action of the rotating shaft 205, gradually approach the landing door lock, prepare to carry out the unlocking action, in the process of closing the door, the main blade 103 and the auxiliary blade 104 move reversely, exit from the landing door lock, return to the initial position, the main blade 103 and the auxiliary blade 104 are connected through the rotating shaft 205, so that they can accurately adjust the position and angle according to the movement of the car door, realize the accurate cooperation with the landing door lock, and thus the accuracy and fluency of the unlocking and closing actions are improved, the door lock failure caused by the inflexible blade action is reduced, and the normal operation of the elevator door system is ensured.

[0025] Further, as Figure 1 、 Figure 3As shown, the telescopic mechanism 2 comprises a connecting sleeve 201, one side of the connecting sleeve 201 is fixedly connected with a connecting rod 202, the surface of the connecting rod 202 is fixedly connected with a fixed rod 203, the surface of the connecting sleeve 201 is rotatably connected with a first connecting shaft 204 through a support frame, one side of the first connecting shaft 204 is fixedly connected with a rotating shaft 205 through the inner wall of the rotating rod, the surface of the rotating shaft 205 is fixedly connected with a second connecting shaft 206 through the inner wall of the connecting rod 202; the telescopic mechanism 2 is provided in two numbers and is symmetrically distributed with the body mechanism 1 as the center; the connecting sleeve 201 is fixedly connected with the bottom of the second connecting plate 102 through the connecting sleeve 201, and the second connecting shaft 206 is fixedly connected with the surface of the connecting rod 202 through the support frame; during the running of the elevator, when the elevator door knife device needs to approach or move away from the landing door lock, the telescopic mechanism 2 starts to work, when the positions of different models of elevator door locks are different, the connecting sleeve 201 will make linear motion along the connecting rod 202 under the action of driving force, drive the whole telescopic mechanism 2 to expand and contract, in this process, the first connecting shaft 204, the rotating shaft 205 and the second connecting shaft 206 cooperate with each other to ensure the smoothness of the telescopic action, so that the door knife device can accurately reach the appropriate position and be connected with the door lock, and the telescopic mechanism 2 is further arranged to enable the elevator door knife device to adapt to the position difference of different models of elevator door locks, and through flexible telescopic adjustment, the door knife device can be installed in various elevator systems without large-scale modification, which greatly improves the versatility and interchangeability of the door knife device and reduces the cost and difficulty in the process of elevator maintenance and upgrading.

[0026] Further, as Figure 1 、 Figure 4As shown, the positioning mechanism 3 comprises a fixed plate 301, both sides of the fixed plate 301 are fixedly connected with limiting plates 302, both sides of the limiting plates 302 are fixedly connected with support plates 303, the first connecting sleeve 304 is fixedly connected in the limiting groove opened on the surface of the support plate 303, the telescopic block 305 is sleeved on one side of the first connecting sleeve 304, and the spring 306 is fixedly connected on the side of the telescopic block 305 away from the first connecting sleeve 304; the side of the fixed plate 301 away from the limiting plate 302 is fixedly connected with the second connecting plate 102 through a connecting shaft, and the end of the spring 306 away from the telescopic block 305 is fixedly connected with the support plate 303; during the working process of the elevator door blade device, when the door blade is subjected to external force and deviates from the position, the telescopic block 305 will slide in the first connecting sleeve 304, compress or stretch the spring 306, and the elastic force generated by the spring 306 will promote the telescopic block 305 to return to the initial position, so as to drive the door blade device to return to the correct working position, and the limiting plate 302 and the support plate 303 provide limiting and supporting for the sliding of the telescopic block 305, so that the movement is within a controllable range; the positioning mechanism 3 can effectively limit the position change of the elevator door blade device during the working process, ensure that the main blade and the auxiliary blade 104 can accurately reach the preset position during each unlocking and door closing action, and thus reduce the door lock failure caused by the position deviation of the door blade, and ensure the stable operation of the elevator door system.

[0027] Working principle: according to the specific position and distance of the elevator door lock, the position of the door blade device is adjusted through the telescopic mechanism 2, the connecting rod 202 can be manually pushed by the worker, the connecting sleeve 201 is telescoped in the corresponding direction, so that the whole door blade device is close to or away from the elevator door lock, after the position adjustment is completed, the positioning mechanism 3 starts to play a role, the telescopic block 305 is automatically adjusted to the appropriate position under the action of the spring 306, so as to ensure the position accuracy of the door blade device during the working process, at this time, the door blade device is in a standby working state, and is ready to welcome the opening and closing operation of the elevator door, when the elevator control system issues an opening instruction, the car door starts to move, the main blade 103 and the auxiliary blade 104 of the main mechanism 1 rotate with the movement of the car door, the main blade 103 and the auxiliary blade 104 gradually approach the landing door lock, in the process that the blades approach the door lock, the telescopic mechanism 2 is automatically telescoped according to the real-time distance between the door lock and the door blade device, if the position of the door lock deviates slightly, the telescopic mechanism 2 can fine-tune the position of the door blade through the telescoping of itself, so that the main blade and the auxiliary blade 104 can be accurately inserted into the lock hook gap of the landing door lock to realize the unlocking action, and the positioning mechanism 3 keeps the position of the door blade device stable during the whole opening process, the telescopic block 305 prevents the door blade device from deviating from the position due to vibration or other external force interference under the action of the spring 306, so as to ensure the accuracy and reliability of the unlocking action.

[0028] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A portable elevator door knife device, characterized in that, It includes a main body (1), a telescopic mechanism (2) is provided on one side of the main body (1), and a positioning mechanism (3) is provided on one side of the telescopic mechanism (2); The main body (1) includes a first connecting plate (101), a second connecting plate (102) is fixedly connected to one side of the first connecting plate (101), a main blade (103) is fixedly connected to the top of the first connecting plate (101) via a rotating shaft, and a secondary blade (104) is fixedly connected to the top of the second connecting plate (102) via a rotating shaft.

2. The portable elevator door knife device as described in claim 1, characterized in that: The telescopic mechanism (2) includes a connecting sleeve (201), a connecting rod (202) is fixedly connected to one side of the connecting sleeve (201), a fixing rod (203) is fixedly connected to the surface of the connecting rod (202), a first connecting shaft (204) is rotatably connected to the surface of the connecting sleeve (201) through a support frame, a rotating shaft (205) is fixedly connected to one side of the first connecting shaft (204) through the inner wall of the rotating rod, and a second connecting shaft (206) is fixedly connected to the surface of the rotating shaft (205) through the inner wall of the connecting rod.

3. The portable elevator door knife device as described in claim 2, characterized in that: There are two telescopic mechanisms (2), and the two telescopic mechanisms (2) are symmetrically distributed around the main body (1).

4. The portable elevator door knife device as described in claim 2, characterized in that: The connecting sleeve (201) is fixedly connected to the bottom of the second connecting plate (102) through the connecting sleeve, and the second connecting shaft (206) is fixedly connected to the surface of the connecting rod (202) through the support frame.

5. The portable elevator door knife device as described in claim 1, characterized in that: The positioning mechanism (3) includes a fixed plate (301), with limiting plates (302) fixedly connected to both sides of the fixed plate (301), and support plates (303) fixedly connected to both sides of the limiting plates (302). A first connecting sleeve (304) is fixedly connected in a limiting groove opened on the surface of the support plate (303). A telescopic block (305) is sleeved on one side of the first connecting sleeve (304), and a spring (306) is fixedly connected to the side of the telescopic block (305) away from the first connecting sleeve (304).

6. The portable elevator door knife device as described in claim 5, characterized in that: The side of the fixed plate (301) away from the limiting plate (302) is fixedly connected to the second connecting plate (102) via a connecting shaft, and the end of the spring (306) away from the telescopic block (305) is fixedly connected to the support plate (303).