Maintenance box for elevator maintenance

Abstract

The utility model relates to the technical field of elevator maintenance, and discloses a maintenance box for elevator maintenance, which comprises a box body, one side of the box body is rotatably connected with a ratchet wheel and a pawl respectively, one side of the ratchet wheel is fixedly provided with a circular cylinder, the outer side wall of the circular cylinder is fixedly provided with a baffle plate, and one side of the box body is provided with a reset assembly. One end of the reset assembly is fixedly connected with the inner side wall of the circular cylinder; an electric wire is wound on the outer side wall of the circular cylinder, and one end of the electric wire is fixedly connected with an illuminating lamp; a fixing plate is fixedly installed on one side of the box body, a round barrel, a ratchet wheel and a pawl are arranged, an electric wire is pulled to drive the round barrel and the ratchet wheel to rotate, the electric wire is pulled out by a proper length, the round barrel is limited under cooperation of the ratchet wheel and the pawl, an illuminating lamp is used for assisting illumination for overhauling, and illumination dead corners are avoided; therefore, the problem that in the prior art, winding pulling force is generated on the cable under the action of a clockwork spring, and consequently the hand of a worker feels tired when the worker holds the illuminating lamp for maintenance is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator maintenance, and particularly relates to an inspection box for elevator maintenance. Background Technique

[0002] The inspection box for elevator maintenance is one of the important components in elevator equipment, responsible for inspecting safety facilities, control equipment, communication equipment, etc. inside and outside the elevator car, ensuring the normal operation and safety of the elevator system. The inspection box for elevator maintenance is a box-shaped device installed on the top of the elevator car, usually composed of a metal shell, internal electrical equipment, etc.

[0003] After retrieval, Chinese Patent Publication No. CN221070553U discloses an inspection box for elevator maintenance, including a box body. One side of the box body is rotatably connected with a box door, and a control panel is fixedly installed on the surface of the box door. One side of the box body is provided with a telescopic mechanism, and one side of the box body is provided with a fixing mechanism; by setting the telescopic mechanism, the purpose of making the lighting lamp movable and sorting the cables can be achieved. When it is necessary to inspect the equipment in the lighting dead angle, the operator picks up the lighting lamp by holding the lamp holder grip and stretches the cable wound around the rotating cylinder. At this time, the cable drives the rotating cylinder to rotate, and the clockwork spring is twisted. When the lighting lamp is used up, through the cooperation of the clockwork spring and the fixing rod, the elastic force of the clockwork spring drives the rotating cylinder to rotate in the reverse direction, and the cable is wound around the rotating cylinder again, so that the lighting lamp can be moved and the cable can be sorted, avoiding the appearance of lighting dead angles and preventing the cables from being messy.

[0004] However, it is found in the implementation of the related technology that the above inspection box for elevator maintenance has the following problems: in the above technical solution, the cable will be stretched during the use of the lighting lamp, and a winding tension is generated on the cable under the action of the clockwork spring, resulting in the problem of hand fatigue of the staff during the inspection process while holding the lighting lamp. Based on this, the utility model designs an inspection box for elevator maintenance to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an inspection box for elevator maintenance to solve the problem of winding tension generated on the cable under the action of the clockwork spring, resulting in hand fatigue of the staff during the inspection process while holding the lighting lamp as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an inspection box for elevator maintenance, including a box body. One side of the box body is respectively rotatably connected with a ratchet wheel and a pawl. One side of the ratchet wheel is fixedly installed with a circular cylinder, and a baffle is fixedly installed on the outer side wall of the circular cylinder. One side of the box body is provided with a reset assembly, and one end of the reset assembly is fixedly connected with the inner side wall of the circular cylinder;

[0007] The outer side wall of the circular cylinder is wound with an electric wire, and one end of the electric wire is fixedly connected with a lighting lamp;

[0008] One side of the box body is fixedly installed with a fixing plate, a tension spring is arranged on one side of the fixing plate, and one end of the tension spring is connected with one side of the ratchet pawl.

[0009] As a preferred solution, the reset assembly includes a fixed rod and a clockwork spring. The fixed rod is located on one side of the box body, the clockwork spring is located on the outer side wall of the fixed rod, and one end of the clockwork spring is fixedly connected with the inner side wall of the circular cylinder.

[0010] As a preferred solution, a limiting cover is fixedly installed on one side of the box body. A threaded rod is installed through the outer side wall of the limiting cover in a threaded manner. A threaded groove is opened on the outer side wall of the lighting lamp, and the threaded rod is in threaded connection with the threaded groove.

[0011] As a preferred solution, a limiting groove is opened on the inner side wall of the limiting cover.

[0012] As a preferred solution, a limiting plate is fixedly installed on the outer side wall of the lighting lamp, and the limiting plate is inserted into the limiting groove.

[0013] As a preferred solution, an annular sliding rail is fixedly installed on one side of the box body.

[0014] As a preferred solution, a sliding block is fixedly installed on one side of the ratchet wheel, and the sliding block is slidably connected with the annular sliding rail.

[0015] The technical effects and advantages of the present utility model:

[0016] 1. By arranging the circular cylinder, the ratchet wheel and the ratchet pawl, pulling the electric wire drives the circular cylinder and the ratchet wheel to rotate, pulling out an appropriate length of the electric wire, and limiting the circular cylinder under the cooperation of the ratchet wheel and the ratchet pawl. The lighting lamp is used for auxiliary lighting during maintenance, avoiding the occurrence of lighting dead corners, thus effectively solving the problem in the prior art that under the action of the clockwork spring, a winding tension is generated on the cable, resulting in fatigue of the hand of the staff during the maintenance process of holding the lighting lamp.

[0017] 2. By arranging the limiting cover, the threaded rod and the threaded groove, the top end of the lighting lamp is inserted into the limiting cover, and the threaded rod is rotated to be connected with the threaded groove to limit the lighting lamp, thus facilitating the limiting protection of the lighting lamp. Description of the Drawings

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

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

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the limit cover of the present utility model.

[0021] Figure 4 For the present utility model Figure 2 a schematic diagram of the enlarged structure at position A in it.

[0022] In the figure: 1, box body; 2, ratchet wheel; 3, reset component; 31, fixed rod; 32, hairspring; 4, circular cylinder; 5, baffle; 6, electric wire; 7, lighting lamp; 8, pawl; 9, fixing plate; 10, tension spring; 11, limit cover; 12, threaded rod; 13, thread groove; 14, limit plate; 15, limit groove; 16, annular slide rail; 17, slider. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] The present utility model provides a maintenance inspection box for elevators as Figures 1-4 shown, which includes a box body 1. The box body 1 belongs to the existing mature technology and will not be elaborated here. A ratchet wheel 2 and a pawl 8 are respectively rotatably connected to one side of the box body 1. A circular cylinder 4 is fixedly installed on one side of the ratchet wheel 2. A baffle 5 is fixedly installed on the outer side wall of the circular cylinder 4. A reset component 3 is arranged on one side of the box body 1. One end of the reset component 3 is fixedly connected to the inner side wall of the circular cylinder 4. The reset component 3 includes a fixed rod 31 and a hairspring 32. The fixed rod 31 is located on one side of the box body 1. The hairspring 32 is located on the outer side wall of the fixed rod 31. One end of the hairspring 32 is fixedly connected to the inner side wall of the circular cylinder 4. An electric wire 6 is wound on the outer side wall of the circular cylinder 4. One end of the electric wire 6 is fixedly connected to a lighting lamp 7. By pulling the electric wire 6, the ratchet wheel 2 is driven to rotate through the circular cylinder 4, and the electric wire 6 is pulled out to an appropriate length. A fixing plate 9 is fixedly installed on one side of the box body 1. A tension spring 10 is arranged on one side of the fixing plate 9. One end of the tension spring 10 is connected to one side of the pawl 8. During the rotation of the ratchet wheel 2, the circular cylinder 4 is limited in cooperation with the pawl 8. During maintenance, the lighting lamp 7 is used for auxiliary lighting. When the lighting lamp 7 is not in use, the pawl 8 is rotated to disengage from the ratchet wheel 2, and the circular cylinder 4 is reset under the action of the hairspring 32. The circular cylinder 4 rotates to wind up the electric wire 6.

[0025] In this embodiment, a limit cover 11 is fixedly installed on one side of the box body 1. A threaded rod 12 is installed through the outer side wall of the limit cover 11 in a threaded manner. A threaded groove 13 is formed on the outer side wall of the lighting lamp 7. The threaded rod 12 is threadedly connected to the threaded groove 13. By rotating the threaded rod 12 to disengage from the threaded groove 13, it is convenient to remove the lighting lamp 7 for use.

[0026] In this embodiment, a limit groove 15 is formed on the inner side wall of the limit cover 11. A limit plate 14 is fixedly installed on the outer side wall of the lighting lamp 7. The limit plate 14 is inserted into the limit groove 15. The top end of the lighting lamp 7 is inserted into the limit cover 11, so that the limit plate 14 is inserted into the limit groove 15, which is convenient to align the threaded groove 13 with the threaded rod 12, and by rotating the threaded rod 12 to be connected to the threaded groove 13, the lighting lamp 7 is limited.

[0027] In this embodiment, an annular slide rail 16 is fixedly installed on one side of the box body 1. A slider 17 is fixedly installed on one side of the ratchet wheel 2. The slider 17 is slidably connected to the annular slide rail 16. During the rotation of the ratchet wheel 2, the slider 17 is driven to slide through the annular slide rail 16, making the rotation of the ratchet wheel 2 more stable.

[0028] The working principle of this utility model: This utility model is an inspection box for elevator maintenance. First, when in use, rotate the threaded rod 12 to disengage from the threaded groove 13, move downward to take out the lighting lamp 7, pull the wire 6 to drive the circular cylinder 4 and the ratchet wheel 2 to rotate, pull out the wire 6 to an appropriate length, and limit the circular cylinder 4 under the cooperation of the ratchet wheel 2 and the pawl 8, and perform inspections with the assistance of the lighting lamp 7 for illumination;

[0029] When the lighting lamp 7 is not in use, rotate the pawl 8 to disengage from the ratchet wheel 2, reset the circular cylinder 4 under the action of the hairspring 32, the circular cylinder 4 winds up the wire 6, and then insert the lighting lamp 7 into the limit cover 11, and rotate the threaded rod 12 to be connected to the threaded groove 13 to limit the lighting lamp 7.

[0030] Finally, it should be noted that: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An elevator maintenance inspection box, comprising a box body (1), characterized in that: A ratchet (2) and a ratchet pawl (8) are rotatably connected to one side of the box body (1); a circular cylinder (4) is fixedly mounted to one side of the ratchet (2); a baffle (5) is fixedly mounted on the outer side wall of the circular cylinder (4); a reset assembly (3) is provided on one side of the box body (1); one end of the reset assembly (3) is fixedly connected to the inner side wall of the circular cylinder (4); An electric wire (6) is rolled up on the outer wall of the circular cylinder (4), and one end of the electric wire (6) is fixedly connected to a lighting lamp (7); A fixing plate (9) is fixedly mounted on one side of the box body (1), a tension spring (10) is arranged on one side of the fixing plate (9), and one end of the tension spring (10) is connected to one side of the pawl (8).

2. An elevator maintenance inspection box according to claim 1, characterized in that: The reset assembly (3) comprises a fixed rod (31) and a spring (32); the fixed rod (31) is located on one side of the box body (1); the spring (32) is located on the outer side wall of the fixed rod (31); and one end of the spring (32) is fixedly connected to the inner side wall of the circular cylinder (4).

3. The elevator maintenance inspection box according to claim 1, characterized in that: A limit cover (11) is fixedly mounted on one side of the box body (1), a threaded rod (12) is installed on the outer wall of the limit cover (11) through a thread, a threaded groove (13) is formed on the outer wall of the lighting lamp (7), and the threaded rod (12) and the threaded groove (13) are threadedly connected.

4. An elevator maintenance inspection box according to claim 3, characterized in that: The inner side wall of the limiting cover (11) is provided with a limiting groove (15).

5. An elevator maintenance inspection box according to claim 4, characterized in that: A limiting plate (14) is fixedly mounted on the outer side wall of the lighting lamp (7), and the limiting plate (14) is plugged into the limiting groove (15).

6. The elevator maintenance inspection box according to claim 1, characterized in that: An annular slide rail (16) is fixedly mounted on one side of the box body (1).

7. An elevator maintenance inspection box according to claim 6, characterized in that: A sliding block (17) is fixedly mounted on one side of the ratchet wheel (2), and the sliding block (17) is slidably connected to the annular slide rail (16).

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