Elevator hall car door impact sensing device

By designing buffer and sensing devices in the elevator hall and car doors, the problem of elevator doors being prone to denting has been solved, achieving effective impact protection and safety control, and improving the safety and comfort of elevator use.

CN223606865UActive Publication Date: 2025-11-28ZHEJIANG AKSEN ELEVATOR CO LTD
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Patent Information

Application Number
CN202423148325.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-28
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Elevator doors are easily dented by accidental impacts from users during use, and current technology lacks effective protective measures.

Method used

An elevator hall and car door impact sensing device was designed, comprising an outer panel, an inner panel, a buffer device, and a sensing device. It uses light emitting and receiving devices to detect the impact force, and achieves buffering and alarm functions through a buffer spring and a sensing rod. The elevator control system controls the elevator operation based on the sensing signal.

Benefits of technology

It effectively prevents elevator door dents, reduces impact damage through a buffer device, and stops elevator operation in time during a strong impact, improving safety and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an elevator hall car door impact sensing device which comprises an outer plate, a car door, a car door and a car door. The inner plate is installed in the plate sliding groove, and the inner fixing block is fixed to the inner side of the inner plate; the buffering device comprises a rotating rod, a pushing block, a pushing rod, a telescopic block, a buffering spring and an induction rod, one end of the rotating rod is rotationally connected with the inner fixing block, the other end of the rotating rod is rotationally connected with the pushing block, the telescopic block is fixed in the plate sliding groove, a telescopic groove is formed in the telescopic block, one end of the pushing rod is fixedly connected with the pushing block, and the other end of the pushing rod penetrates through the telescopic groove; the sensing rod is fixedly connected with one end of the pushing rod, and the pushing rod is sleeved with the buffering spring; and the first sensing device comprises a first light emitting device and a first light receiving device. When the sensing rod is shielded between the first light emitting device and the first light receiving device, the buffering device can play a buffering role, and the inner plate is prevented from sinking.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator technical field, concretely relates to a kind of elevator hall car door impact sensing device. BACKGROUND

[0002] Elevator is the permanent transport equipment that its car runs in at least two columns vertical to horizontal plane or with inclination angle of less than 15 ° to plumb line, and it is served to several specific floors in building;Elevator car door belongs to one of elevator structure, i.e.

[0003] But because user accidentally hits elevator door in use process, elevator door can appear concave etc. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a kind of elevator hall car door impact sensing device, which can reduce the concave situation of elevator door.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of elevator hall car door impact sensing device, comprising:

[0006] Outer plate, plate sliding slot is equipped on the outer plate;

[0007] Inner plate, the inner plate is installed in the plate sliding slot, and the inner plate is slidably connected with the plate sliding slot;

[0008] Inner fixed block, the inner fixed block is fixed in the inner side of the inner plate;

[0009] Buffer device, the buffer device includes rotating rod, push block, push rod, telescopic block, buffer spring and sensing rod, one end of the rotating rod is rotationally connected with the inner fixed block, the other end is rotationally connected with the push block, the telescopic block is fixed in the plate sliding slot, telescopic groove is equipped on the telescopic block, one end of the push rod is fixedly connected with the push block, the other end passes through the telescopic groove, the sensing rod is fixedly connected with the one end of push rod extending out of the telescopic groove, the buffer spring is sleeved on the push rod, and the buffer spring is arranged between the push block and telescopic block;

[0010] First sensing device, the first sensing device includes first light emitting device and first light receiving device, and the first light emitting device and first light receiving device are fixed in the plate sliding slot, when the inner plate is stressed, the sensing rod is shielded between the first light emitting device and the first light receiving device.

[0011] Further, the second induction device is located on the side of the first induction device away from the inner fixed block, the second induction device comprises a second light emitting device and a second light receiving device, and the second light emitting device and the second light receiving device are fixed in the plate sliding groove.

[0012] Further, the positioning block is fixed in the plate sliding groove, the positioning block is arranged on the side of the second induction device away from the first induction device, and the buffer pad is fixed on the positioning block.

[0013] Further, the inner fixed block is provided with an inner threaded hole, the inner plate is provided with an inner perforation, and a connecting bolt in threaded connection with the inner threaded hole is arranged on the inner perforation.

[0014] Further, the inner plate is provided with an inner recess, and the four corners of the inner recess are fixed with reinforcing ribs.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) when the inner plate is impacted, the inner plate slides into the plate sliding groove, the inner fixed block drives the push rod to move in the telescopic groove through the rotating rod in the sliding process, the buffer spring is gradually compressed in the process, the induction rod moves between the first light emitting device and the first light receiving device, when the induction rod is shielded between the first light emitting device and the first light receiving device, the elevator receives the shielding signal sent by the first induction device, then an alarm signal is sent to remind not to impact the inner plate, the buffer device can play a buffering role, and the inner plate is prevented from being concave;

[0017] (2) when the inner plate is impacted greatly, the induction rod continues to move through between the first light emitting device and the first light receiving device and is shielded between the second light emitting device and the second light receiving device, at this time, it is indicated that the impact is relatively large, the control system of the elevator controls the elevator to stop running in time, and more serious accidents are avoided;

[0018] (3) when the buffer device and the first induction device need to be overhauled, only the connecting bolt needs to be unscrewed, the inner plate can be removed, and the overhaul is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the elevator hall door impact induction device of the utility model;

[0020] Figure 2 It is a front view of Figure 1

[0021] Figure 3 It is a sectional view of A-A in Figure 2 ​​

[0022] Figure 4 It is the internal structure schematic view of the induction device;

[0023] Figure 5 It is Figure 4 The local enlarged view at I in the middle;

[0024] Figure 6 It is the structure schematic view of the inner plate.

[0025] In the figure: 1, outer plate; 2, plate sliding groove; 3, inner plate; 4, inner fixed block; 5, rotating rod; 6, pushing block; 7, pushing rod; 8, telescopic block; 9, buffer spring; 10, induction rod; 11, first light emitting device; 12, first light receiving device; 13, second light emitting device; 14, second light receiving device; 15, positioning block; 16, buffer pad; 17, connecting bolt; 18, telescopic groove; 19, inner recess; 20, reinforcing rib. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to 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 scope of protection of the utility model.

[0027] Please refer to Figures 1-6 The utility model provides a kind of elevator hall car door impact induction device technical scheme.

[0028] A kind of elevator hall car door impact induction device, comprising:

[0029] Outer plate 1, outer plate 1 is equipped with plate sliding groove 2;

[0030] Inner plate 3, inner plate 3 is installed in plate sliding groove 2, and inner plate 3 is slidably connected with plate sliding groove 2;

[0031] Inner fixed block 4, inner fixed block 4 is fixed to the inner side of inner plate 3;

[0032] Buffer device, buffer device includes rotating rod 5, pushing block 6, pushing rod 7, telescopic block 8, buffer spring 9 and induction rod 10, one end of rotating rod 5 is rotationally connected with inner fixed block 4, the other end is rotationally connected with pushing block 6, telescopic block 8 is fixed in plate sliding groove 2, telescopic block 8 is equipped with telescopic groove 18, one end of pushing rod 7 is fixedly connected with pushing block 6, the other end passes through telescopic groove 18, one end of induction rod 10 fixedly connected with pushing rod 7 extending out of telescopic groove 18, buffer spring 9 is set on pushing rod 7, and buffer spring 9 is arranged between pushing block 6 and telescopic block 8;

[0033] The first sensing device comprises a first light emitting device 11 and a first light receiving device 12, which are fixed in the plate sliding groove 2, and the sensing rod 10 blocks between the first light emitting device 11 and the first light receiving device 12 when the inner plate 3 is forced.

[0034] When the inner plate 3 is impacted, the inner plate 3 slides into the plate sliding groove 2, and the inner fixed block 4 drives the push rod 7 to move in the telescopic groove 18 through the rotating rod 5, and the buffer spring 9 is gradually compressed in the process, and the sensing rod 10 moves between the first light emitting device 11 and the first light receiving device 12, and when the sensing rod 10 blocks between the first light emitting device 11 and the first light receiving device 12, the first sensing device is electrically connected with the control system of the elevator, and the elevator receives the blocking signal sent by the first sensing device, and then sends an alarm signal to remind not to impact the inner plate 3. The buffer device can play a buffering role to avoid the inner plate 3 from being concave, and can also send a signal to timely remind not to impact.

[0035] As shown in Figure 5 The second sensing device is located away from the first sensing device on the side of the inner fixed block 4, and the second sensing device comprises a second light emitting device 13 and a second light receiving device 14, which are fixed in the plate sliding groove 2. The second sensing device is also electrically connected with the control system of the elevator.

[0036] When the inner plate 3 is impacted, the sensing rod 10 continues to move through the first light emitting device 11 and the first light receiving device 12, and then blocks between the second light emitting device 13 and the second light receiving device 14, which indicates that the impact is relatively large, and the control system of the elevator controls the elevator to stop running in time to avoid more serious accidents.

[0037] As shown in Figure 5 The impact sensing device further comprises a positioning block 15 fixed in the plate sliding groove 2, and the positioning block 15 is arranged away from the first sensing device on the side of the second sensing device, and the positioning block 15 is fixed with a buffer pad 16. When the impact is relatively large, the sensing rod 10 contacts the buffer pad 16 through the second light emitting device 13 and the second light receiving device 14, and the buffer pad 16 can play a buffering and positioning role to avoid the inner plate 3 from moving continuously.

[0038] The inner fixed block 4 is provided with an inner threaded hole, the inner plate 3 is provided with an inner through hole, and the inner through hole is provided with a connecting bolt 17 screwed with the inner threaded hole. When the buffer device and the first sensing device need to be repaired, the connecting bolt 17 is only needed to be unscrewed, and the inner plate 3 can be removed, which is very convenient for repair.

[0039] As Figure 6 shown, the inner plate 3 is provided with an inner groove 19, and the four corners of the inner groove 19 are fixed with reinforcing ribs 20, and the reinforcing ribs 20 can increase the strength of the inner plate 3.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An elevator hall door impact sensing device, characterized by, The utility model relates to a kind of movable plate, including: Outer plate, which is provided with plate sliding groove; Inner plate, which is installed in the plate sliding groove, and the inner plate is slidingly matched with the plate sliding groove; Inner fixed block, which is fixed to the inner side of the inner plate; Buffering device, which includes rotating rod, push block, push rod, telescopic block, buffer spring and induction rod, one end of the rotating rod is rotatably connected with the inner fixed block, the other end is rotatably connected with the push block, the telescopic block is fixed in the plate sliding groove, the telescopic block is provided with telescopic slot, one end of the push rod is fixedly connected with the push block, the other end passes through the telescopic slot, the induction rod is fixedly connected with the end of the push rod extending out of the telescopic slot, the buffer spring is sleeved on the push rod, and the buffer spring is arranged between the push block and the telescopic block; First induction device, which includes first light emitting device and first light receiving device, the first light emitting device and the first light receiving device are fixed in the plate sliding groove, when the inner plate is stressed, the induction rod is shielded between the first light emitting device and the first light receiving device.

2. An elevator hall door impact sensing device according to claim 1, characterized in that Second induction device, which is located on the side of the first induction device away from the inner fixed block, and includes second light emitting device and second light receiving device, the second light emitting device and the second light receiving device are fixed in the plate sliding groove.

3. An elevator hall door impact sensing device according to claim 2, characterized in that It also includes positioning block, which is fixed in the plate sliding groove, the positioning block is arranged on the side of the second induction device away from the first induction device, and the positioning block is fixed with buffer pad.

4. The elevator hall door impact sensing device of claim 1, wherein, The inner fixed block is provided with an inner threaded hole, the inner plate is provided with an inner perforation, and a connecting bolt is threadedly connected with the inner threaded hole and threadedly connected with the inner threaded hole.

5. The elevator hall door impact sensing device of claim 1, wherein, The inner plate is provided with inner recess, and reinforcing rib is fixed at four corners of the inner recess.