Wall surface flatness detection device

By creating grooves on the flatness measuring rulers A and B to house the measuring slider, scale column, and other components, the problem of conflict between the measuring device and the wall surface was solved, achieving highly accurate and flexible wall flatness measurement.

CN223691686UActive Publication Date: 2025-12-19刘孝泰
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Patent Information

Application Number
CN202520522945.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2025-12-19
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

During use, the existing wall flatness testing device experiences friction between the ruler's pivot and the wall surface, resulting in reduced testing accuracy.

Method used

Grooves are made on one side of the flatness measuring rulers A and B to house the measuring slider, scale column, and other components, forming a planar structure. This ensures that the measuring rulers can fit tightly against the wall surface and avoid structural conflicts.

Benefits of technology

It improves the accuracy and flexibility of wall flatness testing, and can increase or decrease the number of measuring units as needed to adapt to different testing requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a wall flatness detection device, which relates to the technical field of flatness detection and comprises a flatness detection ruler A. The flatness detection ruler A is rotatably connected with a flatness detection ruler B; guide grooves are formed in the rear sides of the flatness detection ruler B and the flatness detection ruler A; a limiting groove is further formed in the guide groove. The flatness detection ruler B and the flatness detection ruler A are internally provided with detection sliding blocks in a sliding manner. When the flatness detection ruler A and the flatness detection ruler B are vertically unfolded, the other side of the rotating shaft part forms a plane, so that the flatness detection rulers can be tightly attached to the wall surface and have no structural conflict by using the plane, interference between the detection device and the wall surface is effectively avoided, the accuracy and reliability of flatness detection of the wall surface are ensured, and the detection efficiency is improved. The guiding rule solves the problem that when the guiding rule is attached to the wall face, the rotating shaft part of the guiding rule conflicts with the wall face, and therefore the guiding rule cannot be tightly attached to the wall face.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flatness detection, especially relates to a wall surface flatness detection device. BACKGROUND

[0002] During construction, in order to ensure the quality of the building, the flatness of the building wall surface needs to be detected, and the flatness detection device is needed for the detection of the wall surface flatness. For example, the patent with the application number CN201921213557.8 discloses a ruler device capable of quickly detecting wall surface flatness. By pressing the button, the top block is extended along the port of the slide cylinder and contacts the wall surface. The value of the scale line on the outer wall of the measuring rod is observed, which is the value of the gap between the wall surface and the ruler body. The value is recorded, which is convenient to operate and fast and effective in measurement.

[0003] However, the wall surface flatness detection device, such as the above-mentioned, in the process of use, the two rotating rulers are attached to the wall surface, and the measurement device inside is used to detect the flatness of the wall surface. However, the shaft part of the two rulers protrudes from the attachment surface of the ruler, so that the shaft part of the ruler conflicts with the wall surface when the ruler is attached to the wall surface, thereby failing to closely attach to the wall surface, resulting in reduced accuracy of flatness detection. SUMMARY

[0004] The wall surface flatness detection device of the present disclosure comprises a recess groove on one side of the flatness detection ruler A and the flatness detection ruler B, and a measurement mechanism composed of a detection slider, a scale column and other components is accommodated in the interior of the flatness detection ruler A and the flatness detection ruler B. When the flatness detection ruler A and the flatness detection ruler B are vertically unfolded, they have a flat surface, so that the flatness detection ruler A and the flatness detection ruler B can be closely attached to the wall surface. The structure of the detection device does not conflict with the wall surface, ensuring the quality of the wall surface flatness detection.

[0005] In the first aspect of the present disclosure, a wall surface flatness detection device is provided, which specifically comprises: a flatness detection ruler A and a flatness detection ruler B, which are rotatably connected between the flatness detection ruler A and the flatness detection ruler B; a guide groove is formed on the rear side of the flatness detection ruler B and the flatness detection ruler A; a limiting groove is further formed in the interior of the guide groove; a detection slider is slidably installed in the interior of the flatness detection ruler B and the flatness detection ruler A; a limiting bolt is threadedly installed on the rear side of the detection slider; a detection slide rod is slidably installed in the interior of the detection slider; a scale column is fixedly installed on the outer end of the detection slide rod; a detection push disc is fixedly installed on the outer end of the scale column; and a flatness detection head is connected to the inner end of the detection slide rod through a threaded connection.

[0006] In at least some embodiments,

[0007] The one side of the flatness detection ruler A and the flatness detection ruler B is provided with a recess; the two recesses will form a complete rectangular groove after the flatness detection ruler A and the flatness detection ruler B are folded.

[0008] In at least some embodiments,

[0009] The front side of the flatness detection ruler A is provided with a horizontal bubble A; the front side of the flatness detection ruler B is provided with a horizontal bubble B.

[0010] In at least some embodiments,

[0011] The connecting part of the flatness detection ruler A and the flatness detection ruler B is screw-mounted with a locking bolt; the connecting part of the flatness detection ruler B and the flatness detection ruler A is provided with a locking hole.

[0012] In at least some embodiments,

[0013] The limiting bolt is further installed with a sliding rod in the inside of the limiting groove; the outside wall of the scale column is marked with a scale.

[0014] In at least some embodiments,

[0015] The detection push disc is a disc structure; the inside of the scale column and the detection sliding block is jointly embedded with a restoring spring; the inner end of the flatness detection head is a hemispherical structure.

[0016] In at least some embodiments,

[0017] The flatness detection head is contracted in the inside of the detection sliding block; the inner end of the locking bolt is tightly contacted in the inside of the locking hole.

[0018] The utility model provides a wall surface flatness detection device has the following beneficial effects:

[0019] I. by recessing on one side of the flatness detection ruler A and the flatness detection ruler B, and the measuring mechanism comprising detection sliding block, scale column and other components is received in the recess of the two flatness detection rulers, when the flatness detection ruler A and the flatness detection ruler B are vertically unfolded, the other side of the pivot part will form a plane, it is convenient to utilize the plane to ensure that the flatness detection ruler can closely adhere to the wall surface, and there is no structural conflict, thereby effectively avoiding the interference between the detection device and the wall surface, guaranteeing the accuracy and reliability of wall surface flatness detection.

[0020] Second, the detection device uses a limiting bolt to limit the detection slider to slide inside the flatness detection ruler A or the flatness detection ruler B, and since the limiting bolt is a detachable structure, the detection slider can be taken out or installed from the flatness detection ruler by operating the limiting bolt, which makes the detection device be able to flexibly increase or reduce the number of measuring mechanisms according to actual use requirements, greatly improving the applicability and flexibility of the detection device. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0022] The drawings described below only relate to some embodiments of the present application, and are not a limitation of the present application.

[0023] In the drawings:

[0024] Figure 1 The overall unfolded state structure schematic diagram of the present application is shown;

[0025] Figure 2 The overall folded state structure schematic diagram of the present application is shown;

[0026] Figure 3 The overall split state structure schematic diagram of the present application is shown;

[0027] Figure 4 Another perspective structure schematic diagram of the present application is shown; Figure 3

[0028] Figure 5 The detection slider half-section structure schematic diagram of the present application is shown;

[0029] LIST OF REFERENCE NUMERALS

[0030] 1, flatness detection ruler A; 101, horizontal bubble A; 102, locking bolt; 2, flatness detection ruler B; 201, horizontal bubble B; 202, locking hole; 3, guide groove; 301, limiting groove; 4, detection slider; 401, limiting bolt; 402, detection slide rod; 403, scale column; 404, detection push disc; 405, recovery spring; 406, flatness detection head. DETAILED DESCRIPTION

[0031] ​In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1 to 5 : Embodiments

[0033] The utility model proposes a kind of wall flatness detection device, comprising: flatness detection ruler A1 and flatness detection ruler B2, flatness detection ruler A1 is rotatably connected between flatness detection ruler B2;The rear side of flatness detection ruler B2 and flatness detection ruler A1 is all provided with guide slot 3;The inside of guide slot 3 is also provided with limiting groove 301;Flatness detection ruler B2 and the inside of flatness detection ruler A1 are slidably installed with detection slider 4;The rear side of detection slider 4 is screw-mounted with limiting bolt 401;The inside of detection slider 4 is slidably installed with detection slide rod 402;The outer end of detection slide rod 402 is fixedly installed with scale column 403;Scale column 403 is fixedly installed with detection push disc 404 outside end;The inside of detection slide rod 402 is screw-connected with flatness detection head 406, recess is set up in the side of flatness detection ruler A1 and flatness detection ruler B2, the measuring mechanism consisting of detection slider 4, scale column 403 etc. Component is housed in the inside of flatness detection ruler A1 and flatness detection ruler B2, so that flatness detection ruler A1 and flatness detection ruler B2 will have a plane after vertical unfolding, so that flatness detection ruler A1 and flatness detection ruler B2 can be closely attached on wall surface, the structure of detection device will not conflict with wall surface, guarantee the quality of wall flatness detection.

[0034] In the embodiment two, on the basis of the embodiment one, the flatness detection ruler A1 and the flatness detection ruler B2 are provided with grooves on one side; the two grooves form a complete rectangular groove after the flatness detection ruler A1 and the flatness detection ruler B2 are folded; the front side of the flatness detection ruler A1 is provided with a horizontal bubble A101; the front side of the flatness detection ruler B2 is provided with a horizontal bubble B201; a locking bolt 102 is threadedly installed at the connecting part of the flatness detection ruler A1 and the flatness detection ruler B2; a locking jack 202 is provided at the connecting part of the flatness detection ruler B2 and the flatness detection ruler A1; the detection slider 4 is limitedly arranged in the flatness detection ruler A1 or the flatness detection ruler B2 by the limiting bolt 401; since the limiting bolt 401 is detachable, the detection slider 4 can be easily taken out of the flatness detection ruler structure, so that the number of measuring mechanisms of the detection device can be appropriately increased or reduced according to the use requirement, and the use flexibility of the detection device is improved.

[0035] In the embodiment three, on the basis of the embodiment two, the limiting bolt 401 is also slidably arranged in the limiting groove 301; the outer wall of the scale column 403 is marked with scales; the detection push disc 404 is in a disc-shaped structure; the scale column 403 and the inside of the detection slider 4 are jointly embedded with a restoring spring 405; the inner end of the flatness detection head 406 is in a hemispherical structure; the flatness detection head 406 is retracted in the detection slider 4; the inner end of the locking bolt 102 abuts against the inside of the locking jack 202; the side of the unfolded flatness detection ruler structure without the rotating shaft is close to the wall surface, so that the flatness detection ruler is attached to the wall surface; after the attachment, the detection push disc 404 is pressed, so that the scale column 403 and the flatness detection head 406 are indirectly moved; if the scale column 403 moves, it indicates that the wall surface has a depression; the moving distance of the scale column 403 can be displayed through the scales marked thereon; in cooperation with the two horizontal bubbles, the flatness detection of the wall surface is realized.

[0036] The working principle of the embodiment is as follows: during use, the locking bolt 102 is preferentially loosened, so that the abutment in the locking jack 202 is cancelled, the flatness detection ruler B2 can be rotated, the flatness detection ruler B2 is then rotated to a vertical unfolded state, the locking bolt 102 is then tightened again, so that the flatness detection ruler A1 and the flatness detection ruler B2 are kept in the unfolded state, then the side of the unfolded flatness detection ruler structure without the rotating shaft is close to the wall surface, so that the flatness detection ruler is attached to the wall surface; after the attachment, the detection push disc 404 is pressed, so that the scale column 403 and the flatness detection head 406 are indirectly moved; if the scale column 403 moves, it indicates that the wall surface has a depression; the moving distance of the scale column 403 can be displayed through the scales marked thereon; in cooperation with the two horizontal bubbles, the flatness detection of the wall surface is realized.

[0037] Here, the following points need to be noted:

[0038] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0039] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0040] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A wall flatness detection device, comprising: The flatness detection ruler A (1) and the flatness detection ruler B (2) are rotatably connected between the flatness detection ruler A (1) and the flatness detection ruler B (2); characterized in that the rear side of the flatness detection ruler B (2) and the flatness detection ruler A (1) is provided with a guide groove (3); the inside of the guide groove (3) is further provided with a limiting groove (301); the inside of the flatness detection ruler B (2) and the flatness detection ruler A (1) is slidably provided with a detection sliding block (4); the rear side of the detection sliding block (4) is threadedly provided with a limiting bolt (401); the inside of the detection sliding block (4) is slidably provided with a detection sliding rod (402); the outer end of the detection sliding rod (402) is fixedly provided with a scale column (403); the outer end of the scale column (403) is fixedly provided with a detection push disc (404); the inner end of the detection sliding rod (402) is threadedly connected with a flatness detection head (406).

2. The wall flatness detection device according to claim 1, characterized in that, one side of the flatness detection ruler A (1) and the flatness detection ruler B (2) is provided with a groove; after the flatness detection ruler A (1) and the flatness detection ruler B (2) are folded, the two grooves will form a complete rectangular groove.

3. The wall flatness detection device according to claim 2, characterized in that, the front side of the flatness detection ruler A (1) is provided with a horizontal bubble A (101); the front side of the flatness detection ruler B (2) is provided with a horizontal bubble B (201).

4. The wall flatness detection device according to claim 3, characterized in that, a locking bolt (102) is threadedly installed at the connecting part of the flatness detection ruler A (1) and the flatness detection ruler B (2); a locking insertion hole (202) is provided at the connecting part of the flatness detection ruler B (2) and the flatness detection ruler A (1).

5. The wall flatness detection device according to claim 4, characterized in that, the limiting bolt (401) is further slidably installed in the limiting groove (301); the outer wall of the scale column (403) is marked with a scale.

6. The wall flatness detection device according to claim 5, characterized in that, the detection push disc (404) is a disc-shaped structure; a restoring spring (405) is jointly embedded between the scale column (403) and the inside of the detection sliding block (4); the inner end of the flatness detection head (406) is a hemispherical structure.

7. The wall flatness detection device according to claim 6, characterized in that, the flatness detection head (406) is retracted in the inside of the detection sliding block (4); the inner end of the locking bolt (102) abuts against the inside of the locking insertion hole (202).

Citation Information

Patent Citations

  • Guiding rule device capable of quickly detecting wall surface flatness

    CN210154510U