Detection tool for gap between door pocket and lift car
By designing an automated door frame and car gap detection tool, which uses an optical reading head and grating ruler to automatically display the gap distance, the error caused by human observation is solved, improving the accuracy and convenience of detection, and also has a dust cleaning function.
Patent Information
- Application Number
- CN202422959780.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing door frame and car gap detection tools rely on human visual observation, which is subject to visual errors, resulting in inaccurate detection values and affecting ease of use and accuracy.
Design a detection tool that includes an isosceles triangular ruler, an optical reading head, and a grating ruler. The optical reading head and grating ruler are combined to automatically scan and display and announce the gap distance through a controller, reducing human observation errors. A blower mechanism can be optionally added to clean dust.
It enables automatic display and broadcasting of gap distance, improving the accuracy and convenience of detection, reducing human error, and allowing for dust removal during the detection process, thus simplifying the operation procedure.
Smart Images

Figure CN223461001U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of gap detection, and particularly relates to a door pocket and car gap detection tool. BACKGROUND
[0002] The gap standard between the elevator door pocket and the car mainly depends on the national standard GB7588-2012 "Safety Specification for Elevators with Goods and Passenger", according to which the size of the gap between the elevator car and the elevator door should not exceed 4mm, and this standard is to ensure the safe operation of the elevator and prevent personnel or goods from being stuck, thereby avoiding safety accidents.
[0003] Therefore, the gap between the elevator door pocket and the car needs to be detected regularly by the gap detection tool during the use of the elevator, but after the gap between the door pocket and the car is detected by the existing detection tool, the detected value generally needs to be observed by the human eye, and the observation by the human eye by the staff has certain limitations, which may cause visual errors and result in inaccurate values, thereby being inconvenient for people to use. UTILITARIAN CONTENT
[0004] The utility model aims to solve the above problems and provides a door pocket and car gap detection tool which is simple in structure and reasonable in design.
[0005] The utility model realizes the above-mentioned purposes through the following technical solutions:
[0006] A door pocket and car gap detection tool, comprising a ruler body in isosceles triangle structure on one side, and an installation cavity opened in the inside of the ruler body, a fixed plate is installed in the inside of the ruler body, limit plates are arranged on the top and bottom of the ruler body, strip-shaped openings are opened in the top and bottom of the ruler body and are in communication with the installation cavity, a connecting plate is installed between the two limit plates and is located in the installation cavity and the two strip-shaped openings, a moving rod is installed on one side of the connecting plate, one end of the moving rod penetrates through the fixed plate and is installed with an installation plate, an optical reading head is installed on one side of the installation plate, a spring is sleeved outside the moving rod and is fixed between the installation plate and the fixed plate, a grating ruler is installed in the inside of the installation cavity and is correspondingly arranged with the optical reading head.
[0007] As a further optimization scheme of the utility model, a controller is installed on the inner wall of the top of the installation cavity, and a display and a buzzer electrically connected with the controller are installed on the top of the ruler body.
[0008] As a further optimization scheme of the utility model, a handle is installed on one side of the ruler body, and an anti-skid layer is arranged on the outside of the handle.
[0009] As a further optimization scheme of the utility model, the bottom of the ruler body is provided with a mounting box, a blowing mechanism is mounted in the mounting box, a wind cavity is formed in each of the two limiting plates, a soot blowing head is mounted on one side of each of the two limiting plates and communicates with the wind cavity, a connecting pipe is mounted between the two limiting plates and connects the two wind cavities, and one of the wind cavities communicates with the mounting box through a hose.
[0010] As a further optimization scheme of the utility model, the blowing mechanism comprises a motor mounted on the inner wall of the mounting box, a rotating rod mounted on the output end of the motor, and a plurality of fan blades mounted on the outer side of the rotating rod, a plurality of air inlets are formed in one side of the mounting box and located at the air inlet end of the blowing mechanism, and the hose is located at the blowing end of the blowing mechanism.
[0011] As a further optimization scheme of the utility model, the bottom of the ruler body is provided with a limiting block, and the hose is sleeved in the limiting block.
[0012] The utility model discloses the beneficial effect lies in: the utility model discloses the process of using can automatically broadcast and show the detected gap distance, does not need manual observation through the naked eye again, thereby improves the convenience and accuracy of the detection tool in the process of using, reduces the error of manual observation through the naked eye, and is more convenient for people to use. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the first three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is the second three-dimensional structure schematic view of the utility model;
[0015] Figure 3 It is the first cross section mechanism structure schematic view of the utility model;
[0016] Figure 4 It is the second cross section mechanism structure schematic view of the utility model;
[0017] Figure 5 It is the third cross section mechanism structure schematic view of the utility model;
[0018] Figure 6 It is the utility model Figure 3 The enlarged view of A place;
[0019] Figure 7 It is the utility model Figure 4 The enlarged view of B place;
[0020] Figure 8 It is the utility model Figure 5 The enlarged view of C place.
[0021] In the figure: 1. Scale body; 2. Mounting box; 3. Strip mouth; 4. Limit plate; 5. Soot blower; 6. Connecting pipe; 7. Display; 8. Buzzer; 9. Handle; 10. Hose; 11. Fixing plate; 12. Moving rod; 13. Grating scale; 14. Controller; 15. Spring; 16. Mounting plate; 17. Motor; 18. Rotating rod; 19. Fan blade; 20. Optical reading head; 21. Connecting plate; 22. Mounting cavity. DETAILED DESCRIPTION
[0022] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.
[0023] Example 1
[0024] like Figure 1 - Figure 8 As shown, a door cover and car gap detection tool includes a ruler body 1 and an installation cavity 22 opened inside the ruler body 1. One side of the ruler body 1 is in an isosceles triangle structure, and a handle 9 is installed on the other side of the ruler body 1. The outside of the handle 9 is provided with an anti-slip layer. A fixing plate 11 is installed inside the ruler body 1. The top and bottom of the ruler body 1 are both provided with a limit plate 4. The top and bottom of the ruler body 1 are both provided with a strip opening 3 connected to the installation cavity 22. A connecting plate 21 located in the installation cavity 22 and the two strip openings 3 is installed between the two limit plates 4. One side of the connecting plate 21 is installed There is a moving rod 12, one end of the moving rod 12 passes through the fixed plate 11 and is installed with a mounting plate 16, an optical reading head 20 is installed on one side of the mounting plate 16, the outer sleeve of the moving rod 12 is provided with a spring 15 fixed between the mounting plate 16 and the fixed plate 11, the interior of the mounting cavity 22 is installed with a grating scale 13 arranged corresponding to the optical reading head 20, the top inner wall of the mounting cavity 22 is installed with a controller 14, the top of the ruler body 1 is installed with a display 7 and a buzzer 8 electrically connected to the controller 14, and the limit plate 4 is located on one side of the ruler body 1 in an isosceles triangle structure.
[0025] Need to explain, this door pocket and car gap detection tool, in use can be inserted into the gap between the door pocket and the car with the ruler body 1 end of the isosceles triangle structure, and then push the ruler body 1 to the inside of the gap, in the process of pushing the ruler body 1, two limit plate 4 will drive the connecting plate 21 to move, under the driving of connecting plate 21, moving rod 12 will move, when the moving rod 12 moves, will make the installation plate 16 to move, under the driving of installation plate 16, optical reading head 20 will move, by combining the optical reading head 20 and grating ruler 13, constantly scanning the grating line on the grating ruler 13, and the scanning result is converted into digital signal transmission to the controller 14, the controller 14 will be moved to the data transmission to the display 7, at the same time, the buzzer will get the data broadcast, without artificial observation by the naked eye, when the detection is completed, the ruler body 1 can be taken out from the gap, at this time, under the action of spring 15 will push the connecting plate 21 to move, make the limit plate 14 return to the initial position.
[0026] Example 2
[0027] As Figure 1 , Figure 3 and Figure 6 shown, the difference between this embodiment and example 1 is that the bottom of the ruler body 1 is provided with a mounting box 2, the inside of the mounting box 2 is provided with a blowing mechanism, the inside of the two limit plates 4 is provided with a wind cavity, one side of the two limit plates 4 is provided with a soot blowing head 5 communicated with the wind cavity, the soot blowing head 5 is located at one side of the ruler body 1 in isosceles triangle structure, one side of the soot blowing head 5 is tapered structure, so as to facilitate the insertion into the gap, the connecting pipe 6 is installed between the two limit plates 4, which connects the two wind cavities, one of the wind cavities is communicated with the mounting box 2 through the hose 10, the blowing mechanism comprises a motor 17 installed on the inner wall of the mounting box 2, a rotating rod 18 installed on the output end of the motor 17, and a plurality of fan blades 19 installed on the outside of the rotating rod 18, a plurality of air inlets are arranged on one side of the mounting box 2, which are located at the air inlet end of the blowing mechanism, the hose 10 is located at one side of the blowing end of the blowing mechanism, the bottom of the ruler body 1 is provided with a limiting block, the hose 10 is sleeved in the limiting block, the limiting block can limit the hose 10, the control button electrically connected with the controller 14 is installed on the outside of the ruler body 1, the motor 17 is electrically connected with the controller 14, the motor can be controlled through the control button, the inside of the mounting cavity 22 is provided with a storage battery electrically connected with the motor, the optical reading head and the grating ruler.
[0028] The further improved feature of the embodiment is that when the gap between the door pocket and the car needs to be cleaned, the motor 17 drives the rotating rod 18 to rotate, the plurality of fan blades 19 are driven to rotate under the driving of the rotating rod 18, and wind power is generated under the driving of the plurality of fan blades 19. The generated wind power enters the inside of one of the wind chambers through the hose 10, is shunted into the other wind chamber under the action of the connecting pipe 6, and the wind entering the inside of the wind chamber is blown out through the soot blowing head 5, so that the dust in the gap can be cleaned. Therefore, additional soot cleaning equipment does not need to be carried during use, and people can use it more conveniently.
[0029] The above embodiments only express several embodiments of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.
Claims
1. A door pocket and car gap detection tool, comprising a ruler body (1) in isosceles triangle structure on one side, and a mounting cavity (22) opened in the inside of the ruler body (1), characterized in that, The inside of the ruler body (1) is provided with a fixed plate (11), the top and bottom of the ruler body (1) are provided with limiting plates (4), the top and bottom of the ruler body (1) are provided with strip-shaped openings (3) in communication with installation cavities (22), the connecting plates (21) are installed between the two limiting plates (4) and located in the installation cavities (22) and the two strip-shaped openings (3), one side of the connecting plate (21) is provided with a moving rod (12), one end of the moving rod (12) penetrates through the fixed plate (11) and is provided with an installation plate (16), one side of the installation plate (16) is provided with an optical reading head (20), the outside of the moving rod (12) is provided with a spring (15) fixed between the installation plate (16) and the fixed plate (11), and the inside of the installation cavity (22) is provided with a grating ruler (13) corresponding to the optical reading head (20).
2. A door pocket and car interstitial gap detection tool according to claim 1, wherein: The top inner wall of the installation cavity (22) is provided with a controller (14), and the top of the ruler body (1) is provided with a display (7) and a buzzer (8) electrically connected with the controller (14).
3. A door pocket and car interstitial gap detection tool according to claim 1, wherein: One side of the ruler body (1) is provided with a handle (9), and the outside of the handle (9) is provided with an anti-skid layer.
4. A door pocket and car interstitial gap detection tool as defined in claim 1, wherein: The bottom of the ruler body (1) is provided with an installation box (2), the inside of the installation box (2) is provided with a blowing mechanism, the inside of the two limiting plates (4) is provided with air cavities, one side of the two limiting plates (4) is provided with dust blowing heads (5) in communication with the air cavities, and the two limiting plates (4) are provided with a connecting pipe (6) connecting the two air cavities, and one of the air cavities is in communication with the installation box (2) through a hose (10).
5. A door pocket and car interstitial gap detection tool according to claim 4, wherein: The blowing mechanism comprises a motor (17) installed on the inner wall of the installation box (2), a rotating rod (18) installed on the output end of the motor (17), and a plurality of fan blades (19) installed on the outside of the rotating rod (18), a plurality of air inlets are formed on one side of the installation box (2) and located at the air inlet end of the blowing mechanism, and the hose (10) is located at the air outlet end of the blowing mechanism.
6. A door pocket and car interstitial gap detection tool as defined in claim 4, wherein: The bottom of the ruler body (1) is provided with a limiting block, and the hose (10) is sleeved in the limiting block.