A portable internal and external right angle measuring ruler

Abstract

The utility model discloses a portable inside-outside right angle detection ruler, comprising a main ruler, a secondary ruler, a rotating shaft, a detection pointer and an angle ring, wherein one end of the main ruler is provided with a rotating shaft hole penetrating front and back, the rear end of the rotating shaft is fixedly arranged at one end of the secondary ruler, the front end of the rotating shaft is rotatably inserted in the rotating shaft hole, a first magnetic suction groove is provided on the top surface of the front end of the rotating shaft, the detection pointer comprises a plurality of groups of different lengths, a first magnetic suction stone inserted into the first magnetic suction groove is arranged at one end of the detection pointer, a plurality of second magnetic suction grooves are arranged circumferentially with the rotating shaft hole as the center on the front side of the main ruler, an inclined angle line is arranged on the front side of the angle ring, the angle ring comprises a plurality of groups of different radii, and the minimum angle value of the inclined angle line on each of the angle rings decreases in sequence with the increase of the radius, and a second magnetic suction stone inserted into the second magnetic suction groove is arranged on the back side of the angle ring.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a portable internal and external right angle detection ruler. Background Art

[0002] The inside and outside right angle measuring ruler is used to detect the deviation of the inside and outside (yin and yang) right angles on an object, as well as the verticality and horizontality of a general plane. It is also called a ruler. It is used to detect the verticality, horizontality and flatness of the plane of a building object. It is the most frequently used detection tool in home decoration supervision. It detects whether the wall and tiles are flat and vertical, and whether the floor keel is horizontal and flat. The detection accuracy of the existing inside and outside right angle measuring ruler is fixed and cannot be adjusted. Utility Model Content

[0003] The purpose of the utility model is to provide a portable inside and outside right angle detection ruler for solving the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A portable internal and external right angle detection ruler comprises a main ruler, a secondary ruler, a rotating shaft, a detection pointer and an angle ring, wherein one end of the main ruler is provided with a rotating shaft hole which passes through the ruler from front to back, the rear end of the rotating shaft is fixedly arranged at one end of the secondary ruler, the front end of the rotating shaft is rotatably inserted into the rotating shaft hole, a first magnetic suction groove is provided on the top surface of the front end of the rotating shaft, the detection pointer comprises several groups of different lengths, one end of the detection pointer is provided with a first magnetic suction stone which is inserted into the first magnetic suction groove, the front side of the main ruler is provided with several second magnetic suction grooves along the circumferential direction with the rotating shaft hole as the center, the front side of the angle ring is provided with an inclined angle line, the angle ring comprises several groups of different radii, and the minimum angle value of the inclined angle line on each of the angle rings decreases in sequence with the increase of the radius, and the back side of the angle ring is provided with a second magnetic suction stone which is inserted into the second magnetic suction groove.

[0006] Preferably, a positioning groove is provided on the front side of the main ruler, and a positioning block inserted into the positioning groove is provided on the back side of the angle ring.

[0007] Preferably, the detection pointer has a conical structure.

[0008] Preferably, a side wall of the main ruler is provided with a receiving groove, and the receiving groove is connected to the rotating shaft hole, and when the secondary ruler is rotated to be parallel to the main ruler, the secondary ruler is located in the receiving groove.

[0009] Preferably, the cross-sections of the first magnetic stone and the first magnetic groove are both trapezoidal structures.

[0010] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0011] The utility model provides a portable inside and outside right angle detection ruler. By arranging a plurality of angle rings with successively increasing radii, as the radius of the ring body increases, the minimum angle value of the inclined angle line of the angle ring decreases from the inside to the outside. When in use, according to actual accuracy requirements, an adapted angle ring can be selected and adsorbed in a first magnetic groove through a second magnetic stone so as to fix the angle ring on the main ruler. At the same time, a detection pointer of an adapted length can be selected and fixed on a rotating shaft through the first magnetic ruler. The utility model has the advantages of simple disassembly, convenient use, adjustable detection accuracy and wide application range. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a partial enlarged schematic diagram of the measurement position structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the front structure of the main ruler of the utility model;

[0015] Figure 4 It is a schematic diagram of the back structure of the auxiliary ruler of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] It should be noted that in the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] Example

[0019] Please refer to Figures 1 to 4As shown, the utility model discloses a portable internal and external right angle detection ruler, comprising a main ruler 1, a secondary ruler 2, a rotating shaft 3, a detection pointer 4 and an angle ring 5, one end of the main ruler 1 is provided with a rotating shaft hole 11 that runs through the front and back, the rear end of the rotating shaft 3 is fixedly arranged at one end of the secondary ruler 2, the front end of the rotating shaft 3 is rotatably inserted in the rotating shaft hole 11, a first magnetic suction groove (not shown in the figure) is provided on the top surface of the front end of the rotating shaft 3, the detection pointer 4 comprises a plurality of groups of different lengths, one end of the detection pointer 4 is provided with a first magnetic suction stone 41 that is inserted into the first magnetic suction groove, a plurality of second magnetic suction grooves 12 are circumferentially arranged on the front side of the main ruler 1 with the rotating shaft hole 11 as the center, an inclined angle line 51 is provided on the front side of the angle ring 5, the angle ring 5 comprises a plurality of groups of different radii, and the minimum angle value of the inclined angle line 51 on each angle ring 5 decreases successively with the increase of the radius, and a second magnetic suction stone 52 that is inserted into the second magnetic suction groove 12 is provided on the back side of the angle ring 5.

[0020] A positioning groove 13 is provided on the front side of the main ruler 1 , and a positioning block 53 which is inserted into the positioning groove 13 is provided on the back side of the angle ring 5 .

[0021] The detection pointer 4 has a conical structure.

[0022] A storage groove is provided on one side wall of the main ruler 1, and the storage groove is connected to the shaft hole 11. When the secondary ruler 2 is rotated to be parallel to the main ruler 1, the secondary ruler 2 is located in the storage groove, thereby realizing the folding storage of the main ruler 1 and the secondary ruler 2.

[0023] The cross sections of the first magnetic stone 41 and the first magnetic groove 31 are both trapezoidal in structure.

[0024] The above are only preferred specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A portable internal and external right angle measuring ruler, characterized by: It includes a main scale, a secondary scale, a rotating shaft, a detection pointer and an angle ring. One end of the main scale is provided with a rotating shaft hole that runs through the front and back. The rear end of the rotating shaft is fixedly arranged at one end of the secondary scale. The front end of the rotating shaft is rotatably inserted into the rotating shaft hole. A first magnetic suction groove is provided on the top surface of the front end of the rotating shaft. The detection pointer includes several groups of different lengths. One end of the detection pointer is provided with a first magnetic suction stone that is inserted into the first magnetic suction groove. The front side of the main scale is provided with several second magnetic suction grooves along the circumferential direction with the rotating shaft hole as the center. The front side of the angle ring is provided with an inclined angle line. The angle ring includes several groups of different radii, and the minimum angle value of the inclined angle line on each of the angle rings decreases with the increase of the radius. The back side of the angle ring is provided with a second magnetic suction stone that is inserted into the second magnetic suction groove.

2. A portable internal and external right angle measuring ruler as claimed in claim 1, characterized in that: A positioning groove is arranged on the front of the main ruler, and a positioning block which is inserted into the positioning groove is arranged on the back of the angle ring.

3. A portable internal and external right angle measuring ruler as claimed in claim 1, characterized in that: The detection pointer is in a cone-shaped structure.

4. A portable inside and outside right angle measuring ruler as claimed in claim 1, characterized in that: A storage groove is provided on one side wall of the main ruler, and the storage groove is communicated with the rotating shaft hole. When the secondary ruler is rotated to be parallel to the main ruler, the secondary ruler is located in the storage groove.

5. A portable internal and external right angle measuring ruler as claimed in claim 1, characterized in that: The cross sections of the first magnetic stone and the first magnetic groove are both trapezoidal structures.

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