Elevator maintenance auxiliary device

Abstract

The utility model relates to the technical field of elevator maintenance, and discloses an elevator maintenance auxiliary device, comprising a U-shaped frame, support plates are fixedly installed on both sides of the inner wall of the U-shaped frame, a slider is slidably connected to the top of the support plate, a rectangular rod is fixedly installed on one side of the slider, one end of the rectangular rod passes through the U-shaped frame and is fixedly connected to a resistance plate; a resistance component is arranged on the top of the support plate, one end of the resistance component is hinged with the slider; both sides of the U-shaped frame pass through and are slidably connected with a slide bar, and through the resistance component, the slider, the rectangular rod, the resistance plate and the slide bar, the resistance component is rotated to drive the slider to move, the slider drives the rectangular rod to move, the rectangular rod drives the resistance plate to move, the slide bar assists in sliding, and the resistance plate contacts the wall in front of the elevator door, and the distance between the U-shaped frame and the resistance plate is blocked by the slide bar, thereby effectively solving the problem of children falling into the elevator due to the distance between the pressure bar and the bracket in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator maintenance, in particular to an elevator maintenance auxiliary device. Background Art

[0002] During the maintenance of elevator parts, staff will place warning signs outside the elevator door frame to block and warn pedestrians, thereby preventing unauthorized persons from entering the elevator. Existing warning signs are generally composed of two interconnected V-shaped plates when in use. In actual use, most of them are placed directly on the ground and can only serve as reminders during elevator maintenance.

[0003] After searching, Chinese patent number CN220334445U discloses an elevator maintenance auxiliary device, including a bracket and a warning sign, the bracket is provided with a placement groove for placing the warning sign, pressure rods are provided on both sides of the bracket, a square rod is fixedly connected to the pressure rod, a sliding hole is provided on the bracket for sliding connection with the square rod, a spring 1 is fixedly connected to the end of the square rod, and a limiter for limiting the position of the opposite rod is provided on the bracket. In the utility model, under the elastic force of the spring 1, the two pressure rods can be caused to move away from each other until the side walls of the two pressure rods are in contact with the wall in front of the elevator door, and under the elastic force of the spring 2, the card block extends into the round hole, and the position of the pressure rod is fixed at this time, that is, the device is stably fixed in front of the elevator door and cannot be moved by outsiders, and the warning sign on the bracket can stably play a warning effect.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned elevator maintenance auxiliary device has the following problems: when the wall in front of the elevator door is wider, when the side walls of the two pressure rods in the above-mentioned technical solution are in contact with the wall in front of the elevator door, there is a large distance between the pressure rod and the bracket. Children may accidentally enter the distance between the pressure rod and the bracket and there is a risk of falling into the elevator. Based on this, the utility model designs an elevator maintenance auxiliary device to solve the above-mentioned problem. Utility Model Content

[0005] The utility model aims to provide an elevator maintenance auxiliary device to solve the problem in the above background technology that when the wall in front of the elevator door is wide, there is a large distance between the pressure rod and the bracket, and children may fall into the elevator by mistake.

[0006] To achieve the above object, the utility model provides the following technical solutions: an elevator maintenance auxiliary device, comprising a U-shaped frame, support plates are fixedly installed on both sides of the inner wall of the U-shaped frame, a slider is slidably connected to the top of the support plate, a rectangular rod is fixedly installed on one side of the slider, and one end of the rectangular rod passes through the U-shaped frame and is fixedly connected to a contact plate;

[0007] A resistance component is provided on the top of the support plate, and one end of the resistance component is hinged to the slider;

[0008] Both sides of the U-shaped frame are penetrated by a sliding rod which is slidably connected. One end of the sliding rod is fixedly connected to the abutment plate, and the other end of the sliding rod is fixedly connected to a circular plate.

[0009] As a preferred embodiment, the interference assembly includes a threaded rod, a threaded block and a connecting rod. The threaded rod is rotatably connected to the top of the support plate through a bearing, the threaded block is threadedly connected to the threaded rod, the threaded block is hinged to the connecting rod, and the connecting rod is hinged to the slider.

[0010] As a preferred solution, a slide rail is fixedly installed on the top of the support plate, and the slider is slidably connected to the slide rail.

[0011] As a preferred solution, warning signs are inserted on both sides of the inner wall of the U-shaped frame, and limiting plates are fixedly installed on both sides of the warning sign. Limiting grooves are provided on both sides of the inner wall of the U-shaped frame, and the limiting plates are inserted into the limiting grooves.

[0012] As a preferred solution, the bottom of the abutment plate is rotatably connected with balls, and the balls are arranged in a linear array.

[0013] As a preferred solution, an anti-skid pad is fixedly installed on one side of the contact plate, and the material of the anti-skid pad is rubber.

[0014] As a preferred solution, a bottom plate is fixedly mounted on the bottom of the U-shaped frame.

[0015] Technical effects and advantages of the utility model:

[0016] 1. By setting the resistance component, slider, rectangular rod, resistance plate and slide rod, the resistance component is rotated to drive the slider to move, the slider drives the rectangular rod to move, the rectangular rod drives the resistance plate to move, the slide rod assists in sliding, the resistance plate contacts the wall in front of the elevator door, and the distance between the U-shaped frame and the resistance plate is blocked by the slide rod, thereby effectively solving the problem of children falling into the elevator due to the distance between the pressure rod and the bracket in the prior art.

[0017] 2. By setting the anti-skid pad and the ball bearing, when the contact plate moves and contacts the wall in front of the elevator door, the rolling of the ball bearing prevents the contact plate from rubbing against the ground. The anti-skid pad increases the friction between the contact plate and the wall in front of the elevator door, thereby increasing the stability of the U-shaped frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle.

[0021] In the figure: 1. U-shaped frame; 2. support plate; 3. resistance assembly; 31. threaded rod; 32. threaded block; 33. connecting rod; 4. rectangular rod; 5. resistance plate; 6. slide bar; 7. warning sign; 8. limit plate; 9. limit groove; 10. ball bearing; 11. slide rail; 12. anti-slip pad; 13. round plate; 14. bottom plate; 15. slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-3 The elevator maintenance auxiliary device shown in the figure comprises a U-shaped frame 1, a bottom plate 14 is fixedly installed at the bottom of the U-shaped frame 1, the bottom plate 14 supports the U-shaped frame 1, support plates 2 are fixedly installed on both sides of the inner wall of the U-shaped frame 1, the top of the support plate 2 is slidably connected with a slider 15, a rectangular rod 4 is fixedly installed on one side of the slider 15, one end of the rectangular rod 4 passes through the U-shaped frame 1 and is fixedly connected with a resistance plate 5, a resistance component 3 is arranged on the top of the support plate 2, one end of the resistance component 3 is hinged to the slider 15, the resistance component 3 comprises a threaded rod 31, a threaded block 32 and a connecting rod 33, the threaded rod 31 is rotatably connected to the top of the support plate 2 through a bearing, the threaded block 32 is threadedly connected to the threaded rod 31, and the threaded block 32 is connected to the connecting rod The connecting rods 33 are hinged, the connecting rod 33 and the slider 15 are hinged, the top of the support plate 2 is fixedly installed with a slide rail 11, the slider 15 is slidably connected to the slide rail 11, the threaded rod 31 is rotated to drive the threaded block 32 to move downward, the threaded block 32 drives the slider 15 to move through the connecting rod 33, the slider 15 moves through the slide rail 11 and drives the rectangular rod 4 to move, the contact plate 5 moves and contacts the wall in front of the elevator door, both sides of the U-shaped frame 1 are penetrated by a slide rod 6 for sliding connection, one end of the slide rod 6 is fixedly connected to the contact plate 5, and the other end of the slide rod 6 is fixedly connected to a circular plate 13, the circular plate 13 is used to prevent the slide rod 6 from being separated from the U-shaped frame 1, and the distance between the U-shaped frame 1 and the contact plate 5 is blocked by the slide rod 6.

[0024] In this embodiment, warning signs 7 are inserted on both sides of the inner wall of the U-shaped frame 1, and limit plates 8 are fixedly installed on both sides of the warning sign 7. Limit grooves 9 are provided on both sides of the inner wall of the U-shaped frame 1. The limit plates 8 are plugged into the limit grooves 9. The limit plates 8 on both sides of the warning sign 7 are inserted into the limit grooves 9 to limit the warning sign 7. The warning sign 7 is used for warning during elevator maintenance.

[0025] In this embodiment, the bottom of the resistance plate 5 is rotatably connected with balls 10, which are arranged in a linear array. The movement of the resistance plate 5 causes the balls 10 to roll to prevent friction between the bottom of the resistance plate 5 and the ground.

[0026] In this embodiment, an anti-skid pad 12 is fixedly installed on one side of the contact plate 5. The material of the anti-skid pad 12 is rubber. The anti-skid pad 12 on one side of the contact plate 5 contacts the wall to increase friction.

[0027] Working principle of the utility model: the utility model is an elevator maintenance auxiliary device. First, when in use, the U-shaped frame 1 is placed between the walls in front of the elevator door, the threaded rod 31 is rotated to drive the threaded block 32 to move downward, the threaded block 32 drives the slider 15 to move through the connecting rod 33, the slider 15 drives the rectangular rod 4 to move, the rectangular rod 4 drives the contact plate 5 to move and contact the wall in front of the elevator door, the distance between the U-shaped frame 1 and the contact plate 5 is blocked by the sliding rod 6, and the limit plates 8 on both sides of the warning sign 7 are inserted into the limit grooves 9, which is convenient for auxiliary elevator maintenance.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An elevator maintenance auxiliary device, comprising a U-shaped frame (1), characterized in that: Support plates (2) are fixedly mounted on both sides of the inner wall of the U-shaped frame (1); a slider (15) is slidably connected to the top of the support plate (2); a rectangular rod (4) is fixedly mounted on one side of the slider (15); one end of the rectangular rod (4) passes through the U-shaped frame (1) and is fixedly connected to a contact plate (5); A resistance component (3) is provided on the top of the support plate (2), and one end of the resistance component (3) is hinged to the slider (15); Both sides of the U-shaped frame (1) are penetrated by a sliding rod (6) for sliding connection, one end of the sliding rod (6) is fixedly connected to the abutment plate (5), and the other end of the sliding rod (6) is fixedly connected to a circular plate (13).

2. An elevator maintenance auxiliary device according to claim 1, characterized in that: The abutment assembly (3) comprises a threaded rod (31), a threaded block (32) and a connecting rod (33); the threaded rod (31) is rotatably connected to the top of the support plate (2) via a bearing; the threaded block (32) and the threaded rod (31) are threadedly connected; the threaded block (32) and the connecting rod (33) are hingedly connected; and the connecting rod (33) and the slider (15) are hingedly connected.

3. An elevator maintenance auxiliary device according to claim 2, characterized in that: A slide rail (11) is fixedly mounted on the top of the support plate (2), and the sliding block (15) is slidably connected to the slide rail (11).

4. An elevator maintenance auxiliary device according to claim 1, characterized in that: Warning signs (7) are inserted on both sides of the inner wall of the U-shaped frame (1), and limiting plates (8) are fixedly installed on both sides of the warning sign (7). Limiting grooves (9) are provided on both sides of the inner wall of the U-shaped frame (1), and the limiting plates (8) are inserted into the limiting grooves (9).

5. The elevator maintenance auxiliary device according to claim 1, characterized in that: The bottom of the abutment plate (5) is rotatably connected to a ball bearing (10), and the ball bearings (10) are arranged in a linear array.

6. An elevator maintenance auxiliary device according to claim 1, characterized in that: An anti-skid pad (12) is fixedly mounted on one side of the abutment plate (5), and the anti-skid pad (12) is made of rubber.

7. An elevator maintenance auxiliary device according to claim 1, characterized in that: A bottom plate (14) is fixedly mounted on the bottom of the U-shaped frame (1).

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