Measurement device for the angle and straightness of irregular external corners of building exterior walls

By designing an L-shaped rod and an adjusting rod to measure irregular external corners of building exterior walls, the problem of existing tools being unable to accurately measure irregular external corners was solved, enabling rapid and accurate measurement of irregular external corners and improving construction efficiency and precision.

CN224945457UActive Publication Date: 2026-11-06WEIFANG BEICHEN REAL ESTATE CO LTD KUIWEN BRANCH
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Patent Information

Application Number
CN202521620136.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-31
Publication Date
2026-11-06
Estimated Expiration
2035-07-31

AI Technical Summary

Technical Problem

Existing tools for measuring irregular external corners of building exterior walls cannot accurately measure irregular external corners such as 120° and 150°, resulting in large construction errors and reduced work efficiency.

Method used

A measuring device comprising an L-shaped rod and an adjusting rod is designed. The adjusting rod is hinged to the L-shaped rod by a hinge bolt. The adjusting rod is provided with a through hole and a fixing pin. The fixing pin is fixed to a cylindrical limiting block. It is suitable for measuring different angles. The L-shaped rod is made of aluminum alloy square tube and has angle markings.

Benefits of technology

It enables rapid and accurate measurement of irregular external corners, improving construction efficiency and measurement accuracy. It is suitable for checking the straightness of irregular external corners on building exterior walls. It has a simple structure and low cost, and is applicable to the design of external corners on different building exterior walls.

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Abstract

This utility model relates to the field of engineering construction equipment technology, and in particular to a device for measuring the angle and straightness of irregular external corners of building exterior walls. It includes an L-shaped rod and an adjusting rod for adjusting the angle. The adjusting rod is hinged to the L-shaped rod by a hinge bolt. A through hole is formed on the adjusting rod, and a fixing pin is installed inside the through hole. Cylindrical limiting blocks are fixed to both ends of the fixing pin. The L-shaped rod and the adjusting rod form different angles. This utility model can quickly and accurately adjust to the required angle, such as 120° and 150°, facilitating rapid measurement of irregular external corner angles. It can also measure the curvature of external walls. It has a simple structure, low cost, and is easy to use.
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Description

Technical Field

[0001] This utility model relates to the field of engineering construction equipment technology, and in particular to a device for measuring the angle and straightness of irregular external corners of building exterior walls. Background Technology

[0002] During renovation, inaccurate measurements of the building's internal and external angles often lead to significant errors in the cutting of decorative materials, resulting in large-scale rework. This not only wastes materials but also reduces work efficiency. Currently, prefabricated corner strips are commonly used for the construction of external wall insulation cladding corners. However, the varying skill levels of construction workers make it difficult to guarantee straight corner lines and accurate angles. Furthermore, existing tools can only roughly measure 90° angles and are unsuitable for irregular corners such as 120° and 150°. Relying on experience-based judgment easily leads to undetected deviations, and repeated adjustments based on visual inspection and ruler scraping also result in low precision.

[0003] Based on this, this utility model designs a device for measuring the angle and straightness of irregular external corners of building exterior walls to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a device for measuring the angle and straightness of irregular external corners of building exterior walls, thereby solving the problems in the prior art.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: A device for measuring the angle and straightness of irregular external corners of building exterior walls includes an L-shaped rod and an adjusting rod for adjusting the angle. The adjusting rod is hinged to the L-shaped rod by a hinge bolt. The adjusting rod has a through hole, and a fixing pin is installed in the through hole. Cylindrical limiting blocks are fixed at both ends of the fixing pin. The L-shaped rod and the adjusting rod form different angles.

[0006] The L-shaped rod is made of aluminum alloy square tubing and includes a short rod and a long rod that are fixedly connected. The angle between the short rod and the long rod is 90°. A hinge bolt is installed on the short rod, and an angle hole with an angle mark is provided on the long rod. The fixing pin is inserted into the angle hole.

[0007] The diameter of the cylindrical limiting block is smaller than the diameter of the angle hole but larger than the width of the through hole, and the diameter of the fixing pin is smaller than the width of the through hole.

[0008] The angle holes include 120° angle holes and 150° angle holes.

[0009] The short L-shaped rod is 150mm long, the long L-shaped rod is 300mm long, and the adjusting rod is 200mm long.

[0010] This utility model has the following beneficial effects: This measuring device is suitable for checking the angle and straightness of irregular external corners of building exterior walls, as well as measuring the flatness and curvature of local areas. Because the angle is adjustable, it only needs to be fixed for use as required. For different external corner designs, the adjustment rod is rotated to the corresponding angle of the L-shaped rod, eliminating the need for on-site calculations. It accurately measures angle deviations and gaps, providing workers with repair data and improving work efficiency. For external wall flatness, simply retract the angle to 90°. For external wall curvature, a plumb line is used with a 90° angle gauge for measurement. Made of high-strength and lightweight aluminum alloy, it offers versatile functionality, enabling precise external wall measurements. It is convenient and quick to operate by one person. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram illustrating the usage of this utility model; Figure 3 This is a cross-sectional view of the fixing pin structure of this utility model.

[0013] The attached diagram lists the components represented by each number as follows: 1. Short rod; 2. Long rod; 3. Adjusting rod; 31. Through hole; 32. Fixing pin; 33. Cylindrical limiting block; 4. 120° angle hole; 5. 150° angle hole; 6. Hinged bolt; 7. External corner section of building exterior wall. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It should be understood that the terms "upper", "middle", "outer", "inner", "lower" etc., which indicate orientation or positional relationship, are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0015] The attached figures illustrate specific embodiments of this utility model, such as... Figures 1-3As shown, this utility model is a measuring device for the angle and straightness of irregular external corners of building exterior walls. It includes an L-shaped rod and an adjusting rod 3 for adjusting the angle. The adjusting rod 3 is hinged to the L-shaped rod by a hinge bolt 6. A through hole 31 is formed on the adjusting rod 3, and a fixing pin 32 is installed inside the through hole 31. Cylindrical limiting blocks 33 are fixed to both ends of the fixing pin 32. The L-shaped rod and the adjusting rod 3 form different angles. The L-shaped rod is made of aluminum alloy square tubing and includes a short rod 1 and a long rod 2 fixedly connected. The angle between the short rod 1 and the long rod 2 is 90°. The hinge bolt 6 is installed on the short rod 1, and the long rod 2 has two angle holes with angle markings. The fixing pin 32 is inserted into the angle holes. The diameter of the cylindrical limiting block 33 is smaller than the diameter of the angle hole but larger than the width of the through hole 31. The diameter of the fixing pin 32 is smaller than the width of the through hole 31. Therefore, the fixing pin 32 is fixed in the through hole 31 by the cylindrical limiting block 33, and can slide freely to any angle hole without worrying about losing it.

[0016] The angle holes include a 120° angle hole 4 and a 150° angle hole 5. The short rod 1 of the L-shaped rod is 150mm long, the long rod 2 is 300mm long, and the adjusting rod 3 is 200mm long.

[0017] As an alternative, the short rod and long rod of L-shaped rod 1 are hinged together, with the hinge angle limited to 90°. The adjusting rod 3 is fixed to the corresponding angle hole for measurement. After the short rod and long rod are retracted, the flatness of the outer wall can be measured by hand. For the curvature of the outer wall, the curvature can be measured by hanging a plumb line and using a 90° angle clamp.

[0018] In summary, this utility model can be quickly and accurately adjusted to the required angle, such as 120° and 150°, which is convenient for quickly measuring the angle of irregular external corners. It can also measure the arc of external walls. It has a simple structure, low cost, and is easy to use.

[0019] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to specific implementation methods.

Claims

1. A device for measuring the angle and straightness of irregular external corners of building exterior walls, characterized in that: It includes an L-shaped rod and an adjusting rod (3) for adjusting the angle. The adjusting rod (3) is hinged to the L-shaped rod by a hinge bolt (6). The adjusting rod (3) has a long through hole (31). A fixing pin (32) is installed in the long through hole (31). Cylindrical limit blocks (33) are fixed at both ends of the fixing pin (32). The L-shaped rod and the adjusting rod (3) form different angles.

2. The measuring device for measuring the angle and straightness of irregular external corners of building exterior walls according to claim 1, characterized in that: The L-shaped rod is made of aluminum alloy square tube and includes a short rod (1) and a long rod (2) that are fixedly connected. The angle between the short rod (1) and the long rod (2) is 90°. A hinge bolt (6) is installed on the short rod (1). Two angle holes with angle markings are provided on the long rod (2). The fixing pin (32) is inserted into the angle hole.

3. The measuring device for the angle and straightness of irregular external corners of building exterior walls according to claim 1, characterized in that: The diameter of the cylindrical limiting block (33) is smaller than the diameter of the angle hole and larger than the width of the through hole (31), and the diameter of the fixing pin (32) is smaller than the width of the through hole (31).

4. The measuring device for measuring the angle and straightness of irregular external corners of building exterior walls according to claim 2, characterized in that: The angle holes include a 120° angle hole (4) and a 150° angle hole (5).

5. The measuring device for the angle and straightness of irregular external corners of building exterior walls according to claim 2, characterized in that: The short rod (1) of the L-shaped rod is 150mm long, the long rod (2) is 300mm long, and the adjusting rod (3) is 200mm long.