Elevator gap inspection device

By designing an automated elevator gap inspection device, which combines a drive motor and transmission rod slider assembly with a sensor display, the problem of low efficiency and large error in traditional manual distance measurement is solved, and the accurate measurement and efficient evaluation of elevator gaps are achieved.

CN223765825UActive Publication Date: 2026-01-06SICILIAN ELEVATOR CO LTD
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Patent Information

Application Number
CN202520447147.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-06
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Traditional manual measurement and inspection methods for elevator gaps are inefficient and prone to errors, making it difficult to accurately determine whether the gaps meet safety standards.

Method used

An elevator gap inspection device was designed. It uses a drive motor to drive a transmission rod and a slider in conjunction with a distance measuring component. Combined with a distance sensor and a display, it can achieve automated measurement and can also perform manual distance measurement with the help of indicators and scale lines in the absence of power.

Benefits of technology

It enables precise and automated measurement of elevator gaps, improving measurement efficiency and accuracy, and ensuring normal operation of the device under different power conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an elevator gap inspection device. The elevator gap inspection device comprises a shell, a first mounting cavity and a second mounting cavity are formed in the shell, a first mounting frame is further arranged in the first mounting cavity, and distance measuring assemblies are arranged in the first mounting frame and the first mounting cavity; a second mounting frame is further arranged in the second mounting cavity close to the first mounting cavity, a driving motor is arranged on the second mounting frame, a main shaft of the driving motor is connected with the distance measuring assembly, a control assembly is further arranged in the second mounting cavity, and the control assembly is electrically connected with the driving motor and the distance measuring assembly; a second mounting frame of the second mounting cavity bears a driving motor, a main shaft of the driving motor is connected with a transmission rod in the first mounting cavity, a control switch is turned on, the driving motor drives the transmission rod and drives a sliding block to move, a distance sensor on a distance measuring plate measures gap data, and the gap data is transmitted to a control assembly and displayed on a displayer. The device automatically completes measurement and data display, and the inspection efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of inspection device technology, and more specifically, it relates to an elevator gap inspection device. Background Technology

[0002] During elevator operation, the size of gaps between the landing doors and car door sills, and between two landing doors or car doors, is crucial to the safe operation of the elevator and the safety of passengers. Gaps that are too large pose risks such as objects falling or people getting trapped, while gaps that are too small may affect the normal opening and closing of the elevator doors and its operation. Therefore, it is necessary to regularly inspect the size of elevator gaps. However, traditional elevator gap inspection relies on manual measurement. This method is not only inefficient but also prone to significant errors, making it difficult to accurately determine whether gaps meet safety standards. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides an elevator gap inspection device. This device solves the technical problem that the traditional manual distance measurement inspection method for elevator gaps is inefficient and prone to errors, thus affecting the safety assessment of the gaps.

[0004] The purpose and effectiveness of this elevator gap inspection device are achieved through the following specific technical means:

[0005] An elevator gap inspection device includes a housing with a first mounting cavity and a second mounting cavity inside. A first mounting frame is disposed in the first mounting cavity, and a ranging component is disposed in the first mounting frame and the first mounting cavity. A second mounting frame is disposed in the second mounting cavity near the first mounting cavity, and a drive motor is disposed on the second mounting frame. The main shaft of the drive motor is connected to the ranging component. A control component is disposed in the second mounting cavity, and the control component is electrically connected to the drive motor and the ranging component.

[0006] The above technical solution further includes that the ranging component includes a transmission rod with external threads, the transmission rod is rotatably disposed in the first mounting bracket, and one end of the transmission rod is rotatably disposed in the first mounting cavity, and the other end of the transmission rod is connected to the main shaft of the drive motor; a slider is also disposed in the first mounting cavity, and a through hole with internal threads is also formed on the slider, and the slider is movably sleeved on the transmission rod through the through hole.

[0007] The above technical solution further includes that a sliding groove is provided through the first mounting cavity on the housing, and an indicator is slidably provided on the sliding groove; the top of the slider is provided with a mounting groove corresponding to the sliding groove, and the bottom of the indicator is inserted into the mounting groove.

[0008] The above technical solution further includes that a second distance measuring plate is provided on the side of the slider away from the first mounting cavity, corresponding to the first distance measuring plate, and two sets of distance sensors are respectively provided on the two adjacent sides of the first distance measuring plate and the second distance measuring plate.

[0009] The above technical solution further includes that the top of the second mounting cavity is provided with a mounting groove, and a display is provided in the mounting groove. The display is electrically connected to the two sets of distance sensors and the control component respectively.

[0010] The above technical solution further includes that the control component includes a control switch, and an assembly slot is formed on one side of the housing through the second mounting cavity. The control switch passes through the assembly slot and is electrically connected to the drive motor.

[0011] The above technical solution further includes that a battery compartment is provided in the second mounting cavity, and a battery block is detachably installed in the battery compartment. The battery block is electrically connected to the drive motor and the ranging component respectively.

[0012] The above technical solution further includes that a compartment cover is provided in the second mounting cavity near the battery compartment, and the compartment cover is detachably disposed in the second mounting cavity.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The drive motor spindle on the second mounting bracket in the second mounting cavity is connected to the transmission rod in the first mounting cavity, and the transmission rod is threadedly engaged with the slider. The control switch of the control component is electrically connected to the drive motor. A display is installed in the mounting slot at the top of the second mounting cavity, which is connected to the distance sensor and the control component. The cavity contains a battery compartment and a removable battery pack for power supply. When the control switch is turned on, the drive motor drives the transmission rod to rotate, causing the slider to move. The distance sensor on the distance measuring plate measures the gap data and transmits it to the control component and the display. This process achieves precise and automated measurement, ensuring data accuracy. Moreover, operation only requires pressing a switch, and the device automatically measures and displays the data, reducing manual operation and improving the efficiency of elevator gap inspection.

[0015] 2. The two sets of distance sensors can present the test data in a visually intuitive digital form, facilitating the acquisition of accurate measurement results. Furthermore, the housing is evenly equipped with scale lines. When the device cannot operate using electronic components due to internal power failure, manual distance measurement can be performed by referring to the scale lines using the indicators in the distance measuring assembly. This design ensures that the device can operate normally under different power conditions, further enhancing its practicality. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the assembled structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of the assembled version of this utility model.

[0018] Figure 3 This is an exploded structural diagram of the control component of this utility model.

[0019] Figure 4 This is a schematic diagram of the internal structure of the casing of this utility model.

[0020] Figure 5 This is a schematic diagram of the slider of this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Housing; 2. Drive motor; 3. Display; 4. Control switch; 5. Battery block; 101. First mounting bracket; 102. Second mounting bracket; 201. Transmission rod; 202. Slider; 301. Sliding groove; 302. Indicator; 401. First distance measuring plate; 402. Second distance measuring plate; 403. Distance sensor; 701. Battery compartment; 801. Compartment cover. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.

[0024] Example:

[0025] like Figures 1 to 5As shown, this utility model provides an elevator gap inspection device, including a housing 1, a first mounting cavity and a second mounting cavity are provided inside the housing 1, a first mounting frame 101 is also provided in the first mounting cavity, and a ranging component is provided in the first mounting frame 101 and the first mounting cavity; a second mounting frame 102 is also provided in the second mounting cavity near the first mounting cavity, a drive motor 2 is provided on the second mounting frame 102, the main shaft of the drive motor 2 is connected to the ranging component, and a control component is also provided in the second mounting cavity, which is electrically connected to the drive motor 2 and the ranging component respectively. The housing 1 has two mounting cavities with different functions, allowing the ranging component, drive motor 2, and control component to be installed separately. This makes full use of the internal space, resulting in a compact layout that does not occupy too much external space and is easy to carry and operate. Inside the housing 1, the first mounting bracket 101 in the first mounting cavity provides support for the ranging component, ensuring that each component of the ranging component is stably placed in the first mounting cavity. This ensures that the position of each component of the ranging component is fixed during operation, preventing the measurement accuracy from being affected by shaking or displacement. In the second mounting cavity, the drive motor 2 is supported and fixed in a suitable position. This ensures that the main shaft of the drive motor 2 can be accurately connected to the ranging component, so that the power generated by the drive motor 2 can be stably transmitted to the ranging component to drive it.

[0026] The drive motor 2 is installed in the second mounting cavity, and its main shaft is connected to the ranging component in the first mounting cavity. This allows the power generated by the drive motor 2 to be directly and stably transmitted to the ranging component, driving the ranging component to work and ensuring smooth measurement. The control component is installed in the second mounting cavity and is electrically connected to the drive motor 2 and the ranging component. The operator can easily control the start and stop of the drive motor 2 through the control component, thereby regulating the operating status of the ranging component and making the measurement process easier to control.

[0027] Each component is installed in its corresponding mounting cavity and fixed by two sets of mounting brackets. This reduces the shaking and displacement of the components during operation, improves the stability of the entire device, and ensures the accuracy and reliability of the measurement results. At the same time, this chamber-based installation structure makes the position of each component clear. When a component needs to be maintained or repaired, the staff can quickly locate it, which facilitates the disassembly and replacement of the component, reducing the difficulty and time cost of maintenance.

[0028] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the ranging assembly includes a transmission rod 201 with external threads. The transmission rod 201 is rotatably mounted within a first mounting bracket 101, with one end rotatably mounted within a first mounting cavity. The other end of the transmission rod 201 is connected to the main shaft of the drive motor 2. A slider 202 is also provided within the first mounting cavity, and a through hole with internal threads is formed through the slider 202. The slider 202 is movably fitted onto the transmission rod 201 through the through hole. One end of the transmission rod 201 is rotatable within the first mounting bracket 101, which provides lateral restraint to prevent radial wobbling of the transmission rod 201. The other end is rotatable within the first mounting cavity, which provides axial restraint to ensure stable rotation of the transmission rod 201. The slider 202 moves along the transmission rod 201 within the first mounting cavity. The cavity wall acts as a guide, restricting the slider 202 to move only along the axial direction of the transmission rod 201, thus avoiding measurement errors caused by offset and ensuring a smooth and accurate measurement process. The rotation of the main shaft of the drive motor 2 drives the transmission rod 201, and the external thread of the transmission rod 201 engages with the internal thread through hole of the slider 202. With each rotation, the slider 202 moves a precise distance according to the thread pitch.

[0029] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, a sliding groove 301 is formed through the first mounting cavity on the housing 1, and an indicator 302 is slidably mounted on the sliding groove 301. A mounting groove is also formed on the top of the slider 202 corresponding to the sliding groove 301, and the bottom of the indicator 302 passes through the mounting groove. A first distance measuring plate 401 is provided on the side of the housing 1 closest to the first mounting cavity. A second distance measuring plate 402 is also provided on the side of the slider 202 away from the first mounting cavity, corresponding to the first distance measuring plate 401. Two sets of distance sensors 403 are also respectively provided on the two adjacent sides of the first and second distance measuring plates 401. An assembly groove is also formed through the top of the second mounting cavity, and a display 3 is also provided in the assembly groove. The display 3 is electrically connected to the two sets of distance sensors 403 and the control components. The main shaft of the drive motor 2 rotates, driving the transmission rod 201. The external thread of the transmission rod 201 engages with the internal thread through hole of the slider 202. With each rotation, the slider 202 moves a corresponding distance precisely according to the thread pitch. By precisely controlling the number of rotations of the drive motor 2 through the motor controller, the displacement of the slider 202 can be accurately controlled, directly corresponding to the width of the elevator gap. The housing 1 has a sliding groove 301, and the top mounting groove of the slider 202 cooperates with the indicator 302. When the slider 202 moves with the transmission rod 201 to measure the elevator gap, the indicator 302 will move synchronously in the sliding groove 301. The housing 1 is also evenly set with scale lines. Through the cooperation between the indicator 302 and the scale lines, the inspector can directly observe the position of the indicator 302, quickly know the moving distance of the slider 202, and thus intuitively understand the approximate width of the elevator gap without complicated conversion, improving measurement efficiency.

[0030] The first measuring plate 401 and the second measuring plate 402 are located on both sides of the slider 202, and distance sensors 403 are installed on their adjacent sides. During measurement, the distance sensors 403, relying on the measuring plates, can accurately measure the distance to the corresponding position of the elevator gap, providing a hardware foundation for obtaining accurate gap width data. At the same time, the two sets of sensors collect data from both sides of the elevator gap. The distance sensors 403 can accurately measure the distance between the measuring plates and the corresponding positions of the elevator gap. This allows for double-sided measurement and averaging, eliminating measurement deviations caused by unevenness on both sides of the elevator gap and obtaining more accurate gap width data. The distance sensors 403 are electrically connected to the display 3 and the control components. The gap width data collected by the sensors can be transmitted to the display 3 in real time. During the measurement process, the inspectors do not need to manually record the data and then calculate it. They can directly see the accurate elevator gap width value on the display 3, which is convenient and quick, and avoids errors that may occur from manual data recording.

[0031] like Figures 1 to 4As shown, the control component includes a control switch 4. An assembly slot is also formed on one side of the housing 1, extending through the second mounting cavity. The control switch 4 passes through the assembly slot and is electrically connected to the drive motor 2. A battery compartment 701 is also provided in the second mounting cavity, and a battery block 5 is detachably installed inside the battery compartment 701. The battery block 5 is electrically connected to the drive motor 2 and the ranging component. A cover 801 is also provided near the battery compartment 701 in the second mounting cavity, and the cover 801 is detachably installed inside the second mounting cavity. The assembly slot on the housing 1 houses the control switch 4, which is electrically connected to the drive motor 2. Inspectors can directly operate the control switch 4 from outside the housing 1, easily starting and stopping the drive motor 2, thus conveniently controlling the operation of the ranging component and completing the elevator gap measurement operation without complicated procedures. The battery compartment 701 in the second mounting cavity detachably houses the battery block 5, which supplies power to the drive motor 2 and the ranging component. This frees the device from dependence on external power, allowing it to freely carry out measurement work in places such as elevator shafts where there is no external power source; moreover, when the battery power is low, the battery pack 5 can be easily removed for replacement or charging, ensuring the continuous and stable operation of the device.

[0032] A removable cover 801 is provided next to the battery compartment 701. Opening the cover 801 allows direct access to the battery compartment 701, which facilitates quick replacement of the battery block 5. At the same time, when maintaining or repairing the battery compartment 701, battery block 5, or related circuits, it is not necessary to disassemble too many components to directly inspect and repair the power supply section, saving maintenance time, reducing maintenance difficulty, and improving equipment maintenance efficiency.

[0033] The above description is merely an embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An elevator gap inspection device comprising a housing (1), characterized in that: The first installation cavity is provided with a first installation frame (101), and a ranging assembly is arranged in the first installation frame (101) and the first installation cavity.

2. An elevator gap inspection device according to claim 1, characterized in that: The ranging assembly comprises a transmission rod (201) with external threads, the transmission rod (201) is rotatably arranged in the first installation frame (101), one end of the transmission rod (201) is rotatably arranged in the first installation cavity, and the other end of the transmission rod (201) is connected with the main shaft of the driving motor (2); a sliding block (202) is further arranged in the first installation cavity, a through hole with internal threads is further arranged in the sliding block (202), and the sliding block (202) is movably sleeved on the transmission rod (201) through the through hole.

3. An elevator gap inspection device according to claim 2, characterized in that: A sliding groove (301) is further arranged in the first installation cavity of the shell (1), and an indicating piece (302) is slidably arranged in the sliding groove (301); a mounting groove is further arranged in the top of the sliding block (202) corresponding to the sliding groove (301), and the bottom of the indicating piece (302) is arranged in the mounting groove.

4. An elevator gap inspection device according to claim 3, characterized in that: A first ranging plate (401) is arranged on one side of the shell (1) close to the first installation cavity; a second ranging plate (402) is further arranged on the side of the sliding block (202) away from the first installation cavity corresponding to the first ranging plate (401), and two groups of distance sensors (403) are further arranged on the two adjacent sides of the first ranging plate (401) and the second ranging plate (402).

5. An elevator gap inspection device according to claim 4, characterized in that: A mounting groove is further arranged in the top of the second installation cavity, and a display (3) is arranged in the mounting groove; the display (3) is electrically connected with the two groups of distance sensors (403) and the control assembly respectively.

6. An elevator gap inspection device according to claim 1, characterized in that: The control assembly comprises a control switch (4), and an assembly groove is further arranged in the second installation cavity of one side of the shell (1); the control switch (4) is arranged in the assembly groove, and the control switch (4) is electrically connected with the driving motor (2).

7. An elevator gap inspection device according to claim 6, characterized in that: A battery compartment (701) is further arranged in the second installation cavity, and a battery block (5) is detachably arranged in the battery compartment (701); the battery block (5) is electrically connected with the driving motor (2) and the ranging assembly respectively.

8. An elevator gap inspection device according to claim 7, characterized in that: A compartment cover (801) is further arranged in the second installation cavity close to the battery compartment (701), and the compartment cover (801) is detachably arranged in the second installation cavity.