Detection tool for refrigerator door body

By designing a testing tool for refrigerator doors, using the combination of detection rods and multiple measuring columns, the problem of slow measurement speed in the prior art is solved, and the rapid measurement of multi-point depth of the concave surface of refrigerator doors is achieved. All tests.

CN222336263UActive Publication Date: 2025-01-10QINDAO HAIER REFRIGERATOR CO LTD +2
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Patent Information

Application Number
CN202420339538.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-23
Publication Date
2025-01-10
Estimated Expiration
2034-02-23

AI Technical Summary

Technical Problem

When measuring the flatness of the concave surface of the refrigerator door body, the existing depth ruler measuring instrument has a single measurement point and a slow speed. It is only suitable for random inspection and is not suitable for all inspections.

Method used

A detection tool for refrigerator door body is designed, including a detection rod and a plurality of measurement columns. Both ends of the detection rod are arranged at the notch of the concave surface, and a through hole is opened along the length direction of the detection rod, and the measurement column is movably arranged at the In the through hole, the bottom of the measuring column moves toward the bottom of the concave surface, and the depth of the concave surface at multiple points can be measured simultaneously.

Benefits of technology

It has achieved accelerating measurement speed and is suitable for all inspections. It is not only suitable for random inspections, but also can quickly judge the flatness of the concave surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of refrigerator assembly, and discloses a detection tool for a refrigerator door body, the refrigerator door body is provided with a concave surface, and the detection tool comprises a detection rod and a plurality of measurement columns. The two ends of the detection rod are used for being arranged at the notches of the concave surfaces respectively, and a plurality of through holes are formed in the length direction of the detection rod; the multiple measuring columns are movably arranged in the corresponding through holes respectively, scales are arranged on the sides, exposed out of the through holes, of the first ends of the measuring columns, and the sides, exposed out of the through holes, of the second ends of the measuring columns are used for abutting against the bottom face of the concave face; under the condition that the two ends of the detection rod are arranged at the concave openings of the concave surface, the bottoms of the plurality of measurement columns move towards the bottom surface of the concave surface, so that the concave surface depths of a plurality of point positions are measured at the same time. Therefore, a plurality of point positions of the concave surface can be detected at the same time, so that the measurement speed can be increased.
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Description

Technical Field

[0001] The present application relates to the technical field of refrigerator assembly, for example, to a detection tool for a refrigerator door. Background Art

[0002] At present, refrigerators are essential household appliances in people's daily lives. In order to meet the needs of consumers, refrigerators are being improved in function and appearance. For example, the refrigerator door body is replaced with a glass panel instead of an aluminum alloy panel. Another example is that a concave shape is set on the refrigerator door body.

[0003] However, as the functions of refrigerators gradually increase and their appearances become more diverse, different inspection tools are needed during assembly, such as foaming tools, positioning tools, and inspection tools for refrigerator bodies. Only in this way can the assembled refrigerators meet production requirements. Among them, for refrigerators with concave shapes on the door, most of them use digital display depth gauge measuring instruments to detect whether the flatness of the concave surface meets production requirements.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0005] The measurement points of the depth gauge measuring instrument are relatively single, and the measurement speed is slow when measuring the flatness of the concave surface. Therefore, it is only suitable for random inspections and is not suitable for full inspections.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The disclosed embodiment provides a detection tool for a refrigerator door, which can detect multiple points on a concave surface at the same time, thereby speeding up the measurement.

[0009] In some embodiments, the detection tooling for refrigerator door body has a concave surface on the refrigerator door body, and the detection tooling includes a detection rod and a plurality of measuring columns. The detection rod has two ends respectively used to be set at the notch of the concave surface, and a plurality of through holes are opened along the length direction of the detection rod; a plurality of measuring columns are respectively movably set in the corresponding through holes, wherein the first end of the measuring column exposed to the through hole is provided with a scale on the side, and the second end of the measuring column exposed to the through hole is used to abut against the bottom surface of the concave surface; when the two ends of the detection rod are set at the notch of the concave surface, the bottom of the plurality of measuring columns is moved toward the bottom surface of the concave surface to simultaneously measure the depth of the concave surface at multiple points.

[0010] In some embodiments, the measuring column includes a column body, a column cap and a detection base. The column body is provided with a scale and is movably arranged in the through hole; the column cap is arranged at a first end of the column body; and the detection base is arranged at a second end of the column body.

[0011] In some embodiments, the column and the column cap are separate structures or integrated structures.

[0012] In some embodiments, the column and the detection base are a separate structure or an integrated structure.

[0013] In some embodiments, the bottom edge of the detection base is a chamfered structure.

[0014] In some embodiments, the length of the detection rod is directly proportional to the number of through holes.

[0015] In some embodiments, placement and fixing portions are formed at both ends of the detection rod so that the detection rod can be placed and fixed in the notch of the concave surface.

[0016] In some embodiments, the placement and fixing portion is a boss structure.

[0017] In some embodiments, a connecting hole is formed on the boss structure.

[0018] In some embodiments, the top surface of the boss structure is flush with the upper plane of the detection rod, and the bottom surface of the boss structure exceeds the lower plane of the detection rod, and the exceeding height is greater than the thickness of the detection base.

[0019] The detection tooling for refrigerator door provided in the embodiments of the present disclosure can achieve the following technical effects:

[0020] When inspecting the concave shape set on the refrigerator door, the two ends of the inspection rod are set at the notch of the concave surface, and the bottom of the multiple measuring columns are moved toward the bottom surface of the concave surface. When the second end of the measuring column abuts against the bottom surface of the concave surface, the scale of the first end of the measuring column is checked. In this way, the flatness of the concave surface can be judged by the scale of each measuring column. Therefore, when using this inspection tool for measurement, the depth of the concave surface at multiple points can be measured simultaneously, thereby speeding up the measurement speed. It is not only suitable for random inspections, but also suitable for all inspections.

[0021] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0023] Figure 1 The structure of a detection tool for a refrigerator door provided by the embodiment of the present disclosure is schematically shown. Figure 1 ;

[0024] Figure 2 is a schematic structural diagram of a measuring column provided by an embodiment of the present disclosure;

[0025] Figure 3 is a schematic structural diagram of a detection rod provided by an embodiment of the present disclosure;

[0026] Figure 4 The structure of a detection tool for a refrigerator door provided by the embodiment of the present disclosure is schematically shown. Figure 2 ;

[0027] Figure 5 The structure diagram of the detection tool provided in the embodiment of the present disclosure for measuring the concave surface of the refrigerator door Figure 1 ;

[0028] Figure 6 The structure diagram of the detection tool provided in the embodiment of the present disclosure for measuring the concave surface of the refrigerator door Figure 2 .

[0029] Reference numerals:

[0030] 100: refrigerator door; 101: concave surface;

[0031] 10: detection rod; 11: through hole;

[0032] 12: placement and fixing part; 121: boss structure; 122: connection hole;

[0033] 20: measuring column; 21: column body; 22: column cap; 23: detection base. DETAILED DESCRIPTION

[0034] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0035] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0036] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0037] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0038] Unless otherwise stated, the term "plurality" means two or more.

[0039] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0040] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0041] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0042] Combination Figures 1 to 3 As shown, the embodiment of the present disclosure provides a detection tool for a refrigerator door body, wherein a concave surface 101 is provided on the refrigerator door body 100, and the detection tool comprises a detection rod 10 and a plurality of measuring columns 20. The detection rod 10 has two ends respectively used to be set at the notch of the concave surface 101, and a plurality of through holes 11 are provided along the length direction of the detection rod 10; the plurality of measuring columns 20 are respectively movably set in the corresponding through holes 11, wherein the first end of the measuring column 20 exposed to the through hole 11 is provided with a scale on the side thereof, and the second end of the measuring column 20 exposed to the through hole 11 is used to abut against the bottom surface of the concave surface 101; when the two ends of the detection rod 10 are set at the notch of the concave surface, the bottoms of the plurality of measuring columns 20 are moved toward the bottom surface of the concave surface to simultaneously measure the depth of the concave surface at a plurality of points.

[0043] By using the detection tooling for refrigerator door 100 provided by the embodiment of the present disclosure, when detecting the inner concave shape set on the refrigerator door 100, the two ends of the detection rod 10 are set at the notches of the concave surface 101, and the bottoms of multiple measuring columns 20 are moved toward the bottom surface of the concave surface 101. When the second end of the measuring column 20 abuts against the bottom surface of the concave surface 101, the scale of the first end of the measuring column 20 is checked. In this way, the flatness of the concave surface 101 can be determined by the scales of each measuring column 20. Therefore, when using the detection tooling for measurement, the depth of the concave surface 101 at multiple points can be measured simultaneously, thereby speeding up the measurement speed, which is not only suitable for random inspections, but also suitable for all inspections.

[0044] In the disclosed embodiment, the detection tool is used to detect the flatness of the concave surface. Here, the refrigerator door body 100 is provided with a concave surface 101. Optionally, the outer surface of the refrigerator door body 100 is provided with a concave surface 101, and the concave surface 101 can be used as the concave shape of the refrigerator door body 100; or the concave surface 101 is used to install corresponding electrical components.

[0045] Optionally, a concave surface 101 is provided on the inner surface of the refrigerator door 100 , so that the volume inside the refrigerator can be further increased. Here, a corresponding storage rack can be installed on the concave surface 101 .

[0046] In the disclosed embodiment, the detection tooling includes a detection rod 10 and a plurality of measuring columns 20. The two ends of the detection rod 10 are respectively used to be set at the recess of the concave surface 101. Here, the recess of the concave surface 101 refers to the edge area of ​​the concave surface 101, that is, the two ends of the detection rod 10 are set at the raised area of ​​the refrigerator door body 100. In this way, it is convenient for the measuring columns 20 to measure the depth of the concave surface at multiple points.

[0047] In the disclosed embodiment, the detection rod 10 is a rectangular plate with a certain thickness. Optionally, the detection rod 10 can be made of metal, or made of non-metallic materials such as plastic. Here, in order to ensure the strength and service life of the detection rod 10, the detection rod 10 is made of stainless steel.

[0048] In the disclosed embodiment, a plurality of through holes 11 are provided along the length direction of the detection rod 10, and the plurality of through holes 11 are arranged in sequence. Here, the plurality of through holes 11 are evenly distributed on the detection rod 10. Optionally, the shape of the through hole 11 may be circular or square, etc. Wherein, when the shape of the through hole 11 is circular, the cross section of the corresponding measuring column 20 is circular; when the shape of the through hole 11 is square, the cross section of the corresponding measuring column 20 is square.

[0049] In the disclosed embodiment, a plurality of measuring posts 20 are movably disposed in corresponding through holes 11 , that is, each through hole 11 is provided with a corresponding measuring post 20 , and here, the number of the measuring posts 20 is the same as the number of the through holes 11 .

[0050] In the embodiment of the present disclosure, the first end of the measuring column 20 is exposed to the through hole 11 and is provided with a scale, and the second end of the measuring column 20 is exposed to the through hole 11 and is used to abut against the bottom surface of the concave surface 101. In this way, when both ends of the detection rod 10 are arranged at the notch of the concave surface, the bottom of the multiple measuring columns 20 moves toward the bottom surface of the concave surface, and at this time, the scale on the second end of each measuring column 20 can be seen. Thus, the depth of the concave surface at multiple points can be measured simultaneously.

[0051] Combination Figure 2 As shown, in some embodiments, the measuring column 20 includes a column body 21, a column cap 22 and a detection base 23. The column body 21 is provided with a scale and is movably disposed in the through hole 11; the column cap 22 is disposed at a first end of the column body 21; and the detection base 23 is disposed at a second end of the column body 21.

[0052] In the disclosed embodiment, a scale is provided on the cylinder 21 , and the cylinder 21 is movably provided in the through hole 11 , so that the concave depth of a point can be determined by checking the scale on the cylinder 21 .

[0053] In the embodiment of the present disclosure, a column cap 22 is provided at the first end of the column 21, and a detection base 23 is provided at the second end of the column 21. In this way, the column cap 22 can prevent the column 21 from being separated from the passage 11; the detection base 23 can make the measuring column 20 contact the bottom surface of the concave surface 101, so that the first end of the column 21 exposes the scale.

[0054] In the embodiment of the present disclosure, the cross-sectional area of ​​the column cap 22 is larger than the aperture area of ​​the through hole 11, and the cross-sectional area of ​​the detection base 23 is larger than the aperture area of ​​the through hole 11. In this way, the arrangement of the detection base 23 and the column cap 22 can prevent the measuring column 20 from detaching from the through hole 11 of the detection rod 10.

[0055] In the disclosed embodiment, the through hole 11 is a circular through hole with a smooth inner wall, and the column 21 is a circular column with a smooth inner wall, so that the column 21 can slide smoothly in the through hole 11 .

[0056] Optionally, the aperture of the through hole 11 is slightly larger than the cross-sectional diameter of the column 21 , so as to avoid the column 21 shaking in the through hole 11 and affecting the measurement accuracy.

[0057] In some embodiments, the column 21 and the column cap 22 are separate structures or integrated structures.

[0058] In some optional embodiments, the column 21 and the column cap 22 are split structures, so that the measuring column 20 is conveniently installed in the through hole 11 of the detection rod 10. Here, the first end of the column 21 is a stud structure, and the column cap 22 is provided with a threaded hole, so that the column cap 22 can be threadedly connected with the first end of the column 21, and when the measuring column 20 needs to be disassembled, the column cap 22 can be separated from the column 21.

[0059] In some optional embodiments, the column 21 and the column cap 22 are an integrated structure, so that the strength of the column 21 and the column cap 22 can be ensured.

[0060] In some embodiments, the column 21 and the detection base 23 are separate structures or integrated structures.

[0061] In some optional embodiments, the column 21 and the detection base 23 are split structures, so that the measuring column 20 is conveniently installed in the through hole 11 of the detection rod 10. Here, the second end of the column 21 is a stud structure, and the detection base 23 is provided with a threaded hole, so that the detection base 23 can be threadedly connected with the first end of the column 21, and when the measuring column 20 needs to be disassembled, the detection base 23 can be separated from the column 21.

[0062] In some optional embodiments, the column 21 and the detection base 23 are an integrated structure, so that the strength of the column 21 and the detection base 23 can be ensured.

[0063] When the measuring column 20 includes a column body 21 , a column cap 22 and a detection base 23 , the measuring column 20 may have various structures.

[0064] Optionally, the column 21 and the column cap 22 are split structures, and the column 21 and the detection base 23 are split structures.

[0065] Optionally, the column 21 and the column cap 22 are separate structures, and the column 21 and the detection base 23 are integrated structures.

[0066] Optionally, the column 21 and the column cap 22 are an integrated structure, and the column 21 and the detection base 23 are a separate structure.

[0067] Optionally, the column 21 and the column cap 22 are an integrated structure, and the column 21 and the detection base 23 are an integrated structure.

[0068] In some embodiments, the bottom edge of the detection base 23 is a chamfered structure.

[0069] In the embodiment of the present disclosure, in order to prevent the detection base 23 from scratching the bottom surface of the concave surface 101 during the detection process, the bottom edge of the detection base 23 is set to a chamfered structure. In this way, the bottom edge of the detection base 23 will not easily scratch the bottom surface of the concave surface 101.

[0070] In the disclosed embodiment, a gasket may be further provided on the bottom surface of the detection base 23. The thickness of the gasket may be in the range of [1 mm, 5 mm].

[0071] In some embodiments, the length of the detection rod 10 is directly proportional to the number of through holes 11. In this way, the number of through holes 11 can be controlled according to the length of the detection rod 10. As the length of the detection rod 10 increases, the number of through holes 11 increases, thereby ensuring that more measuring columns 20 are installed, so as to ensure that the flatness of the concave surface 101 can be measured more accurately and quickly.

[0072] In the disclosed embodiment, the length of the detection rod 10 is 80 cm. The detection rod 10 is provided with five arranged through holes 11 . Accordingly, five measuring columns 20 are provided, and the measuring columns 20 are respectively arranged in the corresponding through holes 11 .

[0073] Combination Figure 3 and Figure 4 As shown, in some embodiments, a placement and fixing portion 12 is formed at both ends of the detection rod 10 so that the detection rod 10 can be placed and fixed in the notch of the concave surface 101 .

[0074] In the disclosed embodiment, in order to facilitate the use of the detection tooling, a placement and fixing portion 12 is formed at both ends of the detection rod 10, so that the detection rod 10 can be placed and fixed in the notch of the concave surface 101, so that the grid measurement column 20 can measure the concave surface 101.

[0075] Combination Figure 2 As shown, in some embodiments, the placement and fixing portion 12 is a boss structure 121 , which can stably fix the detection rod 10 at the notch of the concave surface 101 .

[0076] In the embodiment of the present disclosure, the placement fixing portion 12 is a boss structure 121, and the boss structure 121 is an integrally formed structure with the detection rod 10. The top surface of the boss structure 121 is flush with the upper plane of the detection rod 10, and the bottom surface of the boss structure 121 exceeds the lower plane of the detection rod 10, and the height of the exceeding is greater than the thickness of the detection base 23.

[0077] In the disclosed embodiment, the upper plane of the detection rod 10 is a side plane of the first end of the measuring column 20 , and the lower plane of the detection rod 10 is a side plane of the second end of the measuring column 20 .

[0078] In the embodiment of the present disclosure, the bottom surface of the boss structure 121 exceeds the lower plane of the detection rod 10 to form a fixed surface. When the detection fixture is not in use, the fixed surface of the boss structure 121 is in contact with the ground or a corresponding placement position. In this way, it can be avoided that the measuring column 20 is subjected to excessive pressure, and the entire detection fixture is supported only by the measuring column 20, thereby causing damage to the measuring column 20.

[0079] In the embodiment of the present disclosure, since the actual depth of the concave surface 101 is relatively small, if the height of the bottom surface of the boss structure 121 beyond the lower plane of the detection rod 10 is less than the thickness of the detection base 23, it may happen that the detection rod does not contact the notch of the concave surface 101, thereby affecting the actual measurement result.

[0080] Combination Figure 2 As shown, in some embodiments, a connection hole 122 is formed on the boss structure 121 .

[0081] In the disclosed embodiment, a penetrating connection hole 122 is further provided on the boss structure 121 . The connection hole 122 can be used in conjunction with other accessories to facilitate positioning the detection rod above the concave surface 101 .

[0082] Optionally, two connecting holes 122 are provided.

[0083] In some specific embodiments, in combination Figure 5 and Figure 6As shown, when detecting the concave surface 101 of the refrigerator door 100, the two ends of the detection rod 10 are set at the notch of the concave surface 101, and the detection base 23 of the multiple measuring columns 20 is moved toward the bottom surface of the concave surface 101. When the detection base 23 of the measuring column 20 abuts against the bottom surface of the concave surface 101, the scale of the column 21 on each measuring column 20 is checked. In this way, the flatness of the concave surface 101 can be determined by the scale of each measuring column 20. Therefore, when using the detection tool for measurement, the depth of the concave surface 101 at multiple points can be measured simultaneously, thereby speeding up the measurement speed, which is not only suitable for random inspection, but also suitable for all inspections.

[0084] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A detection tool for refrigerator door, characterized in that: There is a concave surface on the refrigerator door, and the detection tooling includes: The two ends of the detection rod are respectively used to be arranged at the notches of the concave surface, and a plurality of through holes are opened along the length direction of the detection rod; A plurality of measuring posts are movably disposed in corresponding through holes, wherein a first end of the measuring post exposed on one side of the through hole is provided with a scale, and a second end of the measuring post exposed on one side of the through hole is used to abut against the bottom surface of the concave surface; When both ends of the detection rod are arranged at the notches of the concave surface, the bottoms of the multiple measuring columns are moved toward the bottom surface of the concave surface to simultaneously measure the depths of the concave surface at multiple points.

2. The detection tooling according to claim 1, characterized in that: The measuring column consists of: A column, provided with scales, and movably disposed in the through hole; A column cap, disposed at the first end of the column; The detection base is arranged at the second end of the column.

3. The detection tooling according to claim 2, characterized in that: The column body and the column cap are of split structure or integrated structure.

4. The detection tooling according to claim 2, characterized in that: The column and the detection base are of split structure or integrated structure.

5. The detection tooling according to claim 2, characterized in that: The bottom edge of the detection base is a chamfered structure.

6. The detection tooling according to any one of claims 1 to 5, characterized in that: The length of the detection rod is directly proportional to the number of through holes.

7. The detection tooling according to any one of claims 1 to 5, characterized in that: Both ends of the detection rod are formed with placement and fixing parts so that the detection rod can be placed and fixed in the notch of the concave surface.

8. The detection tooling according to claim 7, characterized in that: The placement and fixing portion is a boss structure.

9. The detection tooling according to claim 8, characterized in that: The boss structure is provided with a connecting hole.

10. The detection tooling according to claim 8, characterized in that: The top surface of the boss structure is flush with the upper plane of the detection rod, and the bottom surface of the boss structure exceeds the lower plane of the detection rod, and the exceeding height is greater than the thickness of the detection base.