Movable knife edge right-angle ruler based on drawing measurement

Abstract

The utility model relates to the technical field of drawing measurement, and discloses a movable knife edge right-angle ruler based on drawing measurement, which comprises a fixed bottom plate, a movable transverse plate and a movable vertical plate, the movable transverse plate is movably arranged on the surface of the fixed bottom plate, and the upper side of the surface of the fixed bottom plate is provided with a first scale groove; through the arrangement of the fixed bottom plate, a moving space is conveniently provided for the movable transverse plate, a first scale groove is formed in the upper side of the surface of the movable transverse plate, a user can conveniently conduct transverse marking measurement, the user can more visually and conveniently observe the moving distance of the movable transverse plate, and a movable vertical plate is also arranged at the bottom of the movable transverse plate, so that the moving distance of the movable transverse plate is conveniently measured. The multi-functional right-angle ruler has the advantages that the multi-functional right-angle ruler is convenient for a user to perform longitudinal marking measurement, the multi-functional right-angle ruler can move freely at the bottom of the movable transverse plate, the user can perform more accurate longitudinal marking according to transverse distance measurement, the movable transverse plate and the movable vertical plate are arranged, the user can perform longitudinal and transverse marking measurement at the same time, and the application range of a conventional right-angle ruler is greatly widened.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing measurement, and more specifically, the utility model relates to a mobile knife-edge square based on drawing measurement. Background Art

[0002] A mobile knife-edge square is a commonly used measuring tool in the fields of industry and manufacturing, used for precisely measuring and calibrating right angles and angles. It usually consists of a movable blade and a fixed base. The blade can move on the base to adapt to workpieces of different sizes. The edge of the blade is used to align and measure right angles or specific angles. This tool can quickly and accurately measure angles and right angles, helping to ensure the accuracy and quality of workpieces. The mobile knife-edge square is widely used in fields such as machining, woodworking, and metalworking, and is particularly effective for measurement tasks that require high precision and repeatability.

[0003] For example, a multifunctional knife-edge square with the publication number CN207019669U. It includes a knife-edge square composed of a horizontal part and a vertical part vertically arranged on the upper side of one end of the horizontal part. The top end of the vertical part is connected to the main shaft of a hardness tester, and the vertical center line of the vertical part and the axis of the main shaft of the hardness tester are on the same straight line. A level is horizontally installed above the middle of the horizontal part. The multifunctional knife-edge square described in the utility model is a knife-edge square that can be directly connected to the main shaft of a hardness tester. The level on the horizontal part can directly read the inclination angle of the horizontal part, simplifying the judgment of an instrument index that requires three devices, namely a hardness tester calibration rod, a knife-edge square, and a feeler gauge in the prior art, to only requiring one multifunctional knife-edge square described in the utility model to complete the detection work, and can display the perpendicularity of the main shaft, greatly improving the detection efficiency and accuracy.

[0004] However, according to the working principle proposed in the above patent, the applicant believes that although the above device can provide the detection efficiency and accuracy to a certain extent, in actual use, the above device lacks effective mobility, has a small applicable range during measurement, and is likely to affect the measurement efficiency to a certain extent.

[0005] Therefore, a mobile knife-edge square based on drawing measurement is proposed to solve the above problems. Content of the Utility Model

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a mobile knife-edge square based on drawing measurement, which has the advantages of being convenient for moving and adjusting and having a wide measurement applicable range.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A mobile knife-edge square based on drawing measurement, comprising a fixed bottom plate, a movable horizontal plate and a movable vertical plate. The movable horizontal plate is movably installed on the surface of the fixed bottom plate. A first scale groove is provided on the upper side of the surface of the fixed bottom plate. The movable vertical plate is movably installed on the lower surface of the movable horizontal plate. Second scale grooves are provided on both the upper and lower sides of the surface of the movable horizontal plate. A third scale groove is provided on one side of the surface of the movable vertical plate.

[0008] As a preferred technical solution of the present utility model, a limiting knife plate is fixedly installed on one side of the fixed bottom plate, and a first concave groove is formed in the middle of the surface of the fixed bottom plate.

[0009] As a preferred technical solution of the present utility model, a first convex plate is fixedly installed on the back surface of the movable horizontal plate, and the first convex plate is movably installed inside the first concave groove.

[0010] As a preferred technical solution of the present utility model, a first photoelectric sensor is fixedly installed in the middle of the inner surface of the first convex plate, and sliding beads are movably installed on both sides of the first photoelectric sensor.

[0011] As a preferred technical solution of the present utility model, a second concave groove is formed in the lower surface of the movable horizontal plate, a second convex plate is fixedly installed on the upper surface of the movable vertical plate, the second convex plate is movably installed inside the second concave groove, and a second photoelectric sensor is fixedly installed on the surface of the second convex plate.

[0012] As a preferred technical solution of the present utility model, a data display screen is provided on the surface of the movable horizontal plate. A cover plate is installed inside the data display screen through screws. A storage battery is movably installed at the bottom of the cover plate, and heat dissipation holes are provided on the surface of the cover plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. Through the setting of the fixed bottom plate of the present utility model, it is convenient to provide a moving space for the movable horizontal plate. The first scale groove is provided on the upper side of the surface of the movable horizontal plate, which can facilitate the user to make horizontal marking measurements and can also more intuitively facilitate the user to observe the moving distance of the movable horizontal plate. The movable vertical plate is also provided at the bottom of the movable horizontal plate, which can facilitate the user to make vertical marking measurements. Since it can also move freely at the bottom of the movable horizontal plate, it is convenient for the user to make more accurate vertical markings according to the horizontal distance measurement. Through the dual settings of the movable horizontal plate and the movable vertical plate, it is convenient for the user to make vertical and horizontal marking measurements simultaneously, greatly enhancing the applicable range of the conventional square.

[0015] 2. Through the setting of the limit knife plate, the utility model can prevent the moving cross plate from moving too much and falling off. Through the setting of the first concave groove and the first convex plate, while enabling the moving cross plate to move freely, its stability can be maintained. Through the setting of the first photoelectric sensor, it is convenient to sense the moving distance of the moving cross plate in real time and display its data on the data display screen, thereby further enhancing the measurement accuracy. Through the setting of the sliding beads, the friction between the first concave groove and the first convex plate can be reduced, making the movement of the moving cross plate smoother. Through the setting of the second concave groove and the second convex plate, it is convenient to enhance the stability of the moving vertical plate during movement. Through the setting of the second photoelectric sensor, it is convenient to sense the moving distance of the moving vertical plate in real time. Through the setting of the cover plate, it is convenient to provide appropriate protection for the storage battery. Through the setting of the heat dissipation holes, it is convenient to enhance the heat dissipation of the storage battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a front three-dimensional schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a rear three-dimensional schematic diagram of the overall structure of the present utility model;

[0018] Figure 3 is a partially enlarged three-dimensional schematic diagram of the fixed bottom plate structure of the present utility model;

[0019] Figure 4 is a partially enlarged rear three-dimensional schematic diagram of the moving cross plate structure of the present utility model;

[0020] Figure 5 is a partially enlarged three-dimensional schematic diagram of the moving vertical plate structure of the present utility model.

[0021] In the figure: 1, fixed bottom plate; 2, moving cross plate; 3, moving vertical plate; 4, first scale groove; 5, second scale groove; 6, third scale groove; 7, limit knife plate; 8, first concave groove; 9, first convex plate; 10, first photoelectric sensor; 11, sliding bead; 12, second concave groove; 13, second convex plate; 14, second photoelectric sensor; 15, data display screen; 16, screw; 17, cover plate; 18, heat dissipation hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Such as Figures 1 to 5As shown in the figure, the utility model provides a mobile knife-edge square based on drawing measurement, which includes a fixed bottom plate 1, a movable horizontal plate 2 and a movable vertical plate 3. The movable horizontal plate 2 is movably installed on the surface of the fixed bottom plate 1. A first scale groove 4 is arranged on the upper side of the surface of the fixed bottom plate 1. The movable vertical plate 3 is movably installed on the lower surface of the movable horizontal plate 2. Second scale grooves 5 are arranged on both the upper and lower sides of the surface of the movable horizontal plate 2. A third scale groove 6 is arranged on one side of the surface of the movable vertical plate 3.

[0024] Among them, a limiting knife plate 7 is fixedly installed on one side of the fixed bottom plate 1, and a first concave groove 8 is opened in the middle part of the surface of the fixed bottom plate 1.

[0025] The limiting knife plate 7 can prevent the movable horizontal plate 2 from moving too much and falling off.

[0026] Among them, a first convex plate 9 is fixedly installed on the back surface of the movable horizontal plate 2, and the first convex plate 9 is movably installed inside the first concave groove 8.

[0027] The first concave groove 8 and the first convex plate 9 enable the movable horizontal plate 2 to move freely while maintaining its stability.

[0028] Among them, a first photoelectric sensor 10 is fixedly installed in the middle part of the inner surface of the first convex plate 9, and sliding beads 11 are movably installed on both sides of the first photoelectric sensor 10.

[0029] The first photoelectric sensor 10 is convenient for real-time sensing of the moving distance of the movable horizontal plate 2 and displaying its data on the data display screen 15, thereby further enhancing the measurement accuracy. The sliding beads 11 can reduce the friction between the first concave groove 8 and the first convex plate 9, making the movement of the movable horizontal plate 2 smoother.

[0030] Among them, a second concave groove 12 is opened on the lower surface of the movable horizontal plate 2, a second convex plate 13 is fixedly installed on the upper surface of the movable vertical plate 3, the second convex plate 13 is movably installed inside the second concave groove 12, and a second photoelectric sensor 14 is fixedly installed on the surface of the second convex plate 13.

[0031] The second concave groove 12 and the second convex plate 13 are convenient for enhancing the stability of the movable vertical plate 3 during movement. The second photoelectric sensor 14 is convenient for real-time sensing of the moving distance of the movable vertical plate 3.

[0032] Among them, a data display screen 15 is arranged on the surface of the movable horizontal plate 2. A cover plate 17 is installed inside the data display screen 15 through screws 16. A storage battery is movably installed at the bottom of the cover plate 17, and heat dissipation holes 18 are arranged on the surface of the cover plate 17.

[0033] The cover plate 17 is convenient for properly protecting the storage battery, and the heat dissipation holes 18 are convenient for enhancing the heat dissipation of the storage battery.

[0034] Working principle and usage process of the present utility model: In this device, a first scale groove 4 is provided on the upper side of the surface of the movable horizontal plate 2, which can facilitate the user to make horizontal marking measurements and can also more intuitively facilitate the user to observe the moving distance of the movable horizontal plate 2. A movable vertical plate 3 is also provided at the bottom of the movable horizontal plate 2, which can facilitate the user to make vertical marking measurements. Since it can also move freely at the bottom of the movable horizontal plate 2, it is convenient for the user to make more accurate vertical markings according to the horizontal distance measurement. Through the dual settings of the movable horizontal plate 2 and the movable vertical plate 3, it is convenient for the user to make vertical and horizontal marking measurements simultaneously, greatly enhancing the applicable range of a conventional right-angle ruler.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A movable knife-edge square based on drawing measurement, comprising a fixed bottom plate (1), a movable horizontal plate (2) and a movable vertical plate (3), characterized in that: The movable horizontal plate (2) is movably mounted on the surface of the fixed bottom plate (1), and a first scale groove (4) is provided on the upper side of the surface of the fixed bottom plate (1). The movable vertical plate (3) is movably mounted on the lower surface of the movable horizontal plate (2), and second scale grooves (5) are provided on both upper and lower sides of the surface of the movable horizontal plate (2), and a third scale groove (6) is provided on one side of the surface of the movable vertical plate (3).

2. The mobile knife-edge square based on drawing measurement according to claim 1, characterized in that: A limiting knife plate (7) is fixedly mounted on one side of the fixed bottom plate (1), and a first concave groove (8) is provided in the middle of the surface of the fixed bottom plate (1).

3. The mobile knife-edge square based on drawing measurement according to claim 1, characterized in that: A first convex plate (9) is fixedly mounted on the back of the movable transverse plate (2), and the first convex plate (9) is movably mounted on the inner side of the first concave groove (8).

4. The mobile knife-edge square based on drawing measurement according to claim 3, characterized in that: A first photoelectric sensor (10) is fixedly mounted in the middle of the inner surface of the first convex plate (9), and sliding beads (11) are movably mounted on both sides of the first photoelectric sensor (10).

5. The mobile knife-edge square based on drawing measurement according to claim 1, characterized in that: The lower surface of the movable horizontal plate (2) is provided with a second concave groove (12), the upper surface of the movable vertical plate (3) is fixedly mounted with a second convex plate (13), the second convex plate (13) is movably mounted on the inner side of the second concave groove (12), and the surface of the second convex plate (13) is fixedly mounted with a second photoelectric sensor (14).

6. The mobile knife-edge square based on drawing measurement according to claim 1, characterized in that: A data display screen (15) is provided on the surface of the movable transverse plate (2), a cover plate (17) is installed on the inner side of the data display screen (15) via screws (16), a storage battery is movably installed at the bottom of the cover plate (17), and a heat dissipation hole (18) is provided on the surface of the cover plate (17).

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