Warning board for elevator maintenance

By enhancing friction and center of gravity stability on elevator maintenance warning signs, the problem of poor stability of warning signs on the tiled floor is solved, and the effect of stable display and flexible replacement of warning content is achieved.

CN223230069UActive Publication Date: 2025-08-15KONE ELEVATORS CO LTD
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Patent Information

Application Number
CN202422518097.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-08-15
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The existing elevator maintenance warning signs have poor stability on the tiled floor and are easy to move, which affects the warning effect.

Method used

A resistance support mechanism including an elastic snap ring and friction pad is designed to increase friction with the ground; a separate display card design is adopted to facilitate the replacement of warning content; a counterweight block is used to enhance the stability of the center of gravity, and overall stability is enhanced by reinforcement of the support mechanism.

Benefits of technology

It improves the stability of warning signs under wind or external force, ensures that the warning information is clear and visible, and is easy to change the warning content, and is suitable for a variety of scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of warning boards, in particular to a warning board for elevator maintenance, which comprises warning board bodies and a display board, an abutting supporting mechanism is arranged below the warning board bodies, a portable assembling mechanism is arranged on the side edge of the display board, a reinforcing supporting mechanism is arranged in the middle of the two warning board bodies, and the warning board bodies are connected with the display board. When the warning board for elevator maintenance is used, through the design that a balancing weight is installed at the gravity center position of the warning board, the overall gravity of the warning board is increased through the balancing weight, and the effect of enhancing the gravity center stability of the warning board is synchronously achieved; the basic friction force between the warning board and the placed ground is increased through the friction pad, the warning board can still keep stable under the action of wind or other external force through cooperation of the friction pad and the warning board, the falling risk is reduced, and then it is guaranteed that pedestrians can clearly see warning information on the premise that it is guaranteed that the sign is located at the preset placing position all the time.
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Description

Technical Field

[0001] The utility model relates to the technical field of warning signs, in particular to a warning sign for elevator maintenance. Background Art

[0002] Elevator maintenance warning signs are safety signs that are usually used to remind users that the elevator is temporarily unavailable when it is undergoing maintenance, inspection, or repair. The signs will use obvious symbols or icons, such as a no-entry sign, or words that clearly state that the elevator is undergoing maintenance and prohibits use, such as "Elevator maintenance, do not use";

[0003] Patent number "CN210735892U" discloses "a mobile elevator maintenance warning device that is easy to adjust". This device has two warning lines, red and white, painted on the warning maintenance sign. The red and white warning lines are arranged at intervals on the warning maintenance sign, which has a better warning effect. Existing elevator maintenance warning signs are generally used on the ground in front of the elevator. Since the bottom of the warning sign is smooth and the ground on which it is placed is also smooth, it is very easy to move when used, especially when installed on a tiled floor. The poor installation stability is extremely obvious. However, the above device has not made any improvements to this problem, and the overall stable warning effect is poor. Utility Model Content

[0004] The purpose of the present utility model is to solve the above-mentioned problem and to propose an elevator maintenance warning sign, which improves the existing elevator maintenance warning sign, which is generally used on the ground in front of the elevator. Since the bottom end of the warning sign is smooth and the ground on which it is placed is also smooth, it is very easy to move when in use, especially the problem of poor installation stability on tiled floors.

[0005] A warning sign for elevator maintenance, comprising a warning sign body and a display board: the warning sign body is provided in two groups, and the top outer walls of the two groups of warning sign bodies are connected to the mounting parts; the side outer walls of the warning sign body are fitted with display boards; an interference support mechanism is provided below the warning sign body; a portable assembly mechanism is provided on the side of the display board; and a reinforcement support mechanism is provided in the middle position of the two groups of warning sign bodies;

[0006] The resistance support mechanism includes an elastic snap ring and a friction pad. The outer wall of the bottom end of the warning sign body is sleeved with an elastic snap ring. The elastic snap ring is set as a "U" shape structure, and the outer wall of the bottom end of the elastic snap ring is provided with a friction pad.

[0007] Preferably, two groups of first cylindrical grooves are symmetrically opened on the side outer wall of the elastic retaining ring near the top position, and two groups of second cylindrical grooves are correspondingly opened on the side outer wall of the warning sign body at the bottom position. Pins are slidably installed inside the first cylindrical groove and the second cylindrical groove, and the outer walls on both sides of the pins are clamped and installed inside the sleeve.

[0008] Preferably, the portable assembly mechanism includes an installation outer frame, the side outer wall of the installation outer frame close to the warning sign body is set to an opening structure, and the side outer wall of the installation outer frame away from the warning sign body is provided with a through slot for viewing the content of the display board, and a display board is arranged inside the installation outer frame.

[0009] Preferably, the top outer wall and the bottom outer wall of the installation outer frame are both provided with positioning strips, the side outer walls of the warning sign body are symmetrically provided with groove blocks, and the positioning strips and the groove blocks are snap-fitted.

[0010] Preferably, the side outer wall of the groove block is symmetrically provided with a first thread groove, and the side outer wall of the positioning clip is correspondingly provided with two groups of second thread grooves, and the first thread groove and the second thread groove are threadedly mounted with the fastening bolt.

[0011] Preferably, the opening diameters of the first thread groove and the second thread groove are equal.

[0012] Preferably, the reinforcement support mechanism includes a positioning support plate, a connecting line and a counterweight block. A positioning support plate is connected and installed between the side outer walls of the two groups of warning sign bodies. Two groups of connecting lines are arranged directly below the positioning support plate, and the connecting lines are connected to the top outer wall of the counterweight block.

[0013] Preferably, a threaded barrel is symmetrically provided on the outer wall of the bottom end of the positioning support plate, a threaded column is installed on the internal thread of the threaded barrel, and the threaded column is connected to the outer wall of the top end of the connecting line.

[0014] The beneficial effects of the utility model are:

[0015] 1. When the elevator maintenance warning sign is in use, a counterweight is installed at the center of gravity of the warning sign. The counterweight increases the overall gravity of the warning sign and simultaneously enhances the stability of its center of gravity. A friction pad is further provided at the bottom of the warning sign to increase the basic friction between the warning sign and the ground on which it is placed. The two work together to ensure that the warning sign remains stable under the influence of wind or other external forces, reducing the risk of tipping over. This ensures that pedestrians can clearly see the warning information while ensuring that the sign is always in the predetermined placement position. The overall structural design is ingenious and has good practical effects.

[0016] 2. When the elevator maintenance warning sign is in use, the warning sign face and the warning content are separated from an integrated setting to a separate setting, and the warning content board is installed on the side of the warning sign in conjunction with the mechanism component. When the warning content board is worn out due to long-term use and the writing is blurred, a new warning content board can be directly replaced without replacing the warning sign. Moreover, through the separate design, the device can be used in different scenarios by replacing different display board contents, rather than being limited to elevator maintenance use, and the overall use flexibility is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the interference support mechanism of the present utility model;

[0019] Figure 3 For the utility model Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the portable assembly mechanism of the present utility model;

[0021] Figure 5 For the utility model Figure 4 The enlarged three-dimensional structure diagram at B in the middle;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the reinforcement support mechanism of the present utility model.

[0023] In the figure: 1. Warning sign body; 2. Display board; 3. Interference support mechanism; 31. Elastic snap ring; 32. Friction pad; 33. First cylindrical groove; 34. Second cylindrical groove; 35. Pin; 36. Cardan; 4. Portable assembly mechanism; 41. Mounting frame; 42. Positioning clip; 43. Groove block; 44. First threaded groove; 45. Second threaded groove; 46. Fastening bolt; 5. Reinforcement support mechanism; 51. Positioning support plate; 52. Connecting line; 53. Counterweight; 54. Threaded barrel; 55. Threaded column. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] When implementing: Figure 1-6 As shown, a warning sign for elevator maintenance includes a warning sign body 1 and a display board 2: two groups of warning sign bodies 1 are provided, and the top outer walls of the two groups of warning sign bodies 1 are connected to the mounting parts, and the display boards 2 are fitted on the side outer walls of the warning sign bodies 1. An interference support mechanism 3 is provided below the warning sign body 1, and a portable assembly mechanism 4 is provided on the side of the display board 2. A reinforcement support mechanism 5 is provided in the middle position of the two groups of warning sign bodies 1;

[0026] The resistance support mechanism 3 includes an elastic snap ring 31 and a friction pad 32. The outer wall of the bottom end of the warning sign body 1 is sleeved with an elastic snap ring 31. The elastic snap ring 31 is set to a "U" shape structure, and the outer wall of the bottom end of the elastic snap ring 31 is provided with a friction pad 32. The outer wall of the side of the elastic snap ring 31 near the top position is symmetrically penetrated with two groups of first cylindrical grooves 33. The outer wall of the side of the warning sign body 1 at the bottom position is correspondingly provided with two groups of second cylindrical grooves 34. The first cylindrical groove 33 and the second cylindrical groove 34 are internally slidably installed with a pin shaft 35, and the outer walls on both sides of the pin shaft 35 are It is snap-fitted and installed inside the clamping sleeve 36; the friction pad 32 here is provided to increase the basic friction between the device and the ground, thereby achieving a stable support effect for the entire device. When the friction pad 32 needs to be installed under the device, the elastic clamping ring 31 needs to be adjusted to a suitable position first and then clamped to the bottom end of the warning sign body 1. When the corresponding positions of the first cylindrical groove 33 and the second cylindrical groove 34 coincide with each other, the pin shaft 35 is passed through the first cylindrical groove 33 and the second cylindrical groove 34 at one time. After passing through, the clamping sleeves 36 are clamped on both ends of the pin shaft 35 to complete the installation, and the same applies to disassembly.

[0027] The portable assembly mechanism 4 includes an installation outer frame 41. The side outer wall of the installation outer frame 41 close to the warning sign body 1 is set to an open structure, and the side outer wall of the installation outer frame 41 away from the warning sign body 1 is penetrated with a through slot for viewing the content of the display board 2. The display board 2 is set inside the installation outer frame 41. The top outer wall and the bottom outer wall of the installation outer frame 41 are both provided with positioning clips 42. The side outer wall of the warning sign body 1 is symmetrically provided with groove blocks 43, and the positioning clips 42 and the groove blocks 43 are snap-fitted. The side outer wall of the groove block 43 is symmetrically penetrated with a first threaded groove 44. The side of the positioning clip 42 Two sets of second thread grooves 45 are correspondingly opened through the outer wall, and the first thread groove 44 and the second thread groove 45 are threadedly installed with the fastening bolts 46; when the display board 2 needs to be installed on the side of the warning sign body 1, it is first necessary to adjust the display board 2 to a suitable position and place it inside the mounting frame 41. After placing it, the positioning strips 42 at the top and bottom ends of the mounting frame 41 are pushed into the groove blocks 43 at the corresponding positions. After the positions of the first thread groove 44 and the second thread groove 45 are pushed to coincide with each other, the fastening bolts 46 are passed through the first thread groove 44 and screwed to the bottom end of the second thread groove 45 to complete the installation. The same applies to disassembly.

[0028] The opening diameters of the first thread groove 44 and the second thread groove 45 are equal; this arrangement ensures that the fastening bolt 46 is not easily loosened after installation due to the matching thread sizes.

[0029] The reinforcement support mechanism 5 includes a positioning support plate 51, a connecting line 52 and a counterweight 53. A positioning support plate 51 is connected and installed between the side outer walls of the two groups of warning sign bodies 1. Two groups of connecting lines 52 are arranged directly below the positioning support plate 51, and the connecting lines 52 are connected to the top outer wall of the counterweight 53. The bottom outer wall of the positioning support plate 51 is symmetrically provided with a threaded barrel 54. The internal thread of the threaded barrel 54 is installed with a threaded column 55, and the threaded column 55 is connected to the top outer wall of the connecting line 52; the setting of the counterweight 53 here increases the overall gravity of the warning sign and simultaneously achieves the effect of enhancing the stability of its center of gravity. When the counterweight 53 needs to be installed inside the device, it is only necessary to adjust the threaded column 55 to the appropriate position and then screw it from bottom to top into the inside of the threaded barrel 54 to complete the installation of the counterweight 53. The setting of the connecting line 52 here assists the installation of the counterweight 53, and the positioning support plate 51 positions and supports the threaded barrel 54, and the same applies to disassembly.

[0030] When using the present invention, the display board 2 needs to be installed on the side of the warning board body 1. At this time, the display board 2 needs to be adjusted to a suitable position and placed inside the mounting frame 41. After placement, the positioning strips 42 at the top and bottom ends of the mounting frame 41 are pushed into the corresponding groove blocks 43 until the first thread groove 44 and the second thread groove 45 are aligned. Then, the fastening bolts 46 are passed through the first thread groove 44 and screwed to the bottom end of the second thread groove 45 to complete the installation.

[0031] Then install the friction pad 32 under the device. At this time, first adjust the elastic snap ring 31 to the appropriate position and then clamp it to the bottom end of the warning sign body 1. When the corresponding positions of the first cylindrical groove 33 and the second cylindrical groove 34 coincide with each other, pass the pin 35 through the first cylindrical groove 33 and the second cylindrical groove 34 at one time. After passing through, clamp the clamping sleeves 36 on both ends of the pin 35 to complete the installation. The disassembly is similar.

[0032] Finally, install the counterweight 53 into the interior of the device. At this time, you only need to adjust the threaded column 55 to the appropriate position and screw it from bottom to top into the interior of the threaded barrel 54 to complete the installation of the counterweight 53. How to place the entire device in a specific scenario can be operated according to actual needs.

[0033] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A warning sign for elevator maintenance, characterized in that: The invention comprises a warning sign body (1) and a display board (2): the warning sign body (1) is provided with two groups, and the top outer walls of the two groups of warning sign bodies (1) are connected to the mounting parts, the side outer walls of the warning sign body (1) are fitted with the display board (2), a resisting support mechanism (3) is provided below the warning sign body (1), a portable assembly mechanism (4) is provided on the side of the display board (2), and a reinforcement support mechanism (5) is provided in the middle position of the two groups of warning sign bodies (1); The abutment support mechanism (3) comprises an elastic snap ring (31) and a friction pad (32); the outer wall of the bottom end of the warning sign body (1) is sleeved with the elastic snap ring (31); the elastic snap ring (31) is configured as a "U"-shaped structure, and the outer wall of the bottom end of the elastic snap ring (31) is provided with a friction pad (32).

2. The elevator maintenance warning sign according to claim 1, characterized in that: The elastic snap ring (31) has two groups of first cylindrical grooves (33) symmetrically formed on the side outer wall near the top position, and the warning sign body (1) has two groups of second cylindrical grooves (34) correspondingly formed on the side outer wall at the bottom position. Pins (35) are slidably installed inside the first cylindrical groove (33) and the second cylindrical groove (34), and the outer walls on both sides of the pins (35) are snap-fitted inside the clamping sleeve (36).

3. The elevator maintenance warning sign according to claim 1, characterized in that: The portable assembly mechanism (4) comprises an installation outer frame (41), wherein the side outer wall of the installation outer frame (41) close to the warning sign body (1) is set as an opening structure, and the side outer wall of the installation outer frame (41) away from the warning sign body (1) is provided with a through slot for viewing the content of the display board (2), and the display board (2) is arranged inside the installation outer frame (41).

4. The elevator maintenance warning sign according to claim 3, characterized in that: The top outer wall and the bottom outer wall of the installation outer frame (41) are both provided with positioning clips (42), and the side outer walls of the warning sign body (1) are symmetrically provided with groove blocks (43), and the positioning clips (42) and the groove blocks (43) are snap-fitted.

5. The elevator maintenance warning sign according to claim 4, characterized in that: The side outer wall of the groove block (43) is symmetrically penetrated with a first thread groove (44), and the side outer wall of the positioning clip (42) is correspondingly penetrated with two groups of second thread grooves (45), and the first thread groove (44) and the second thread groove (45) are threadedly installed with the fastening bolt (46).

6. The elevator maintenance warning sign according to claim 5, characterized in that: The opening diameters of the first thread groove (44) and the second thread groove (45) are equal.

7. The elevator maintenance warning sign according to claim 1, characterized in that: The reinforcement support mechanism (5) comprises a positioning support plate (51), a connecting line (52) and a counterweight (53); the positioning support plate (51) is connected and installed between the side outer walls of the two groups of warning sign bodies (1); two groups of connecting lines (52) are arranged directly below the positioning support plate (51), and the connecting lines (52) are connected to the top outer wall of the counterweight (53).

8. The elevator maintenance warning sign according to claim 7, characterized in that: A threaded barrel (54) is symmetrically provided on the outer wall of the bottom end of the positioning support plate (51), and a threaded column (55) is installed on the internal thread of the threaded barrel (54), and the threaded column (55) is connected to the outer wall of the top end of the connecting line (52).

Citation Information

Patent Citations

  • Movable elevator maintenance warning device convenient to adjust

    CN210735892U