CN216283093U

CN216283093U - Digital display angle ruler for woodworking

Info

Publication number: CN216283093U
Application number: CN202122997535.9U
Authority: CN
Inventors: 杨忠义
Original assignee: Dongguan Terma Electronics Co ltd
Current assignee: Dongguan Terma Electronics Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-12
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a digital display angle ruler for woodworkers, which comprises a first measuring plate, a second measuring plate, a sensor grid and a digital display component, wherein the end parts of the first measuring plate and the second measuring plate are rotatably connected, the sensor grid is arranged on the second measuring plate, the digital display component is arranged on the first measuring plate, one end of the second measuring plate, which is rotatably connected with the first measuring plate, is provided with a cylindrical boss protruding out of the surface of the second measuring plate, the sensor grid is arranged at the central part of the upper plane of the boss, the first measuring plate is provided with a rotating ring matched with the boss, the rotating ring is sleeved on the boss and is rotatably connected with the boss, and a connecting structure for providing pretightening force is further arranged between the boss and the rotating ring. Has the advantages that: the digital display assembly is arranged, so that the relative rotation angle between the first measuring plate and the second measuring plate can be calculated through the variation of the pulse signals, the calculated data can be displayed on the display screen of the digital display assembly, and the complex operation of numerical value conversion in the prior art is avoided.

Description

Digital display angle ruler for woodworking

Technical Field

The utility model relates to the technical field of rulers, in particular to a digital display angle ruler for woodworker use.

Background

At present, a digital display angle ruler frequently used by people can only measure the angle of an object, and has single function and lacks more practical functions; for some woodwork home furnishing application fields, a user needs to perform data conversion calculation according to the measured and read angle numerical values of the corner, or a comparison table is inquired to find out corresponding conversion numerical values, so that the angle numerical values of two corner lines connected at the corner can be configured, and a large amount of time is consumed for the user. In view of the above, there is a need to design a digital display angle ruler with high measurement accuracy and more practical functions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical defects and provide the digital display angle gauge for the woodworker, which has the advantages of small volume, high measurement precision and the practical functions of directly converting an oblique joint angle numerical value, a horizontal oblique joint angle numerical value and the like.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a carpenter uses digital display bevel protractor, includes that first measurement board, second measure board, sensor grid, digital display subassembly, first measurement board, second measure board tip and rotate and connect, the sensor grid sets up on the second measures the board, the digital display subassembly sets up on first measurement board, and the second is measured the board and is rotated with first measurement board and be connected one end and be equipped with the cylindric boss of protrusion in its surface, and the sensor grid is installed in the last plane central point of boss, first measurement board be equipped with boss matched with swivel becket, the swivel becket cup joint on the boss and rather than rotate and be connected, still be equipped with the connection structure who provides the pretightning force between boss and the swivel becket.

Furthermore, connection structure includes the track ring that the rotating ring inner circle set up, still includes pretension screw, elastic gasket, boss circumference evenly distributed is equipped with a plurality of screw holes, pretension screw passes elastic gasket threaded connection in the screw hole, and elastic gasket bottom meets with the track ring.

Furthermore, a pulse transmitter and a pulse receiver are arranged in the digital display assembly, the pulse transmitter is used for continuously transmitting pulse signals to the sensor grating, and the pulse receiver is used for receiving the pulse signals reflected by the sensor grating.

Furthermore, a plurality of mounting holes used for fixing the digital display assembly are further formed in the first measuring plate, and the connecting screws penetrate through the mounting holes and are used for fixing the digital display assembly.

Furthermore, a battery jar for installing a battery is arranged on the digital display assembly, a battery body is arranged in the battery jar, and a display screen and a control button are further arranged on the digital display assembly.

Furthermore, the first measuring plate and the second measuring plate are both provided with graduated scales.

Compared with the prior art, the utility model has the advantages that: the digital display angle ruler for the woodworker is provided with the digital display component, is used for comparing the reflected pulse signal with the initial pulse signal when the digital display component and the sensor grid are relatively static and calculating the variation of the pulse signal, is favorable for calculating the relative rotation angle between the first measuring plate and the second measuring plate according to the variation of the pulse signal and displaying the calculated data on the display screen of the digital display component, and avoids the complex operation of numerical value conversion in the prior art; the digital display component can also convert the numerical value required by the woodworking professional field according to the numerical value of the relative rotation angle on the display screen. The method has the advantages of simple operation, small error and high measurement precision, and effectively solves the technical problem of low measurement precision caused by large reading error in the prior art; the technical problems of long calculation period and large calculation amount during data conversion in the professional field are effectively solved.

Drawings

FIG. 1 is a schematic structural view of a digital display angle ruler for carpenters according to the present invention.

FIG. 2 is a schematic structural view of a digital display angle ruler for carpenters according to the present invention.

As shown in the figure: 1. a first measuring plate; 2. a second measuring plate; 3. a sensor grid; 4. a digital display component; 5. a boss; 6. A rotating ring; 7. an orbital ring; 8. pre-tightening the screw; 9. an elastic pad; 10. screw holes; 11. mounting holes; 12. a connecting screw; 13. a battery case; 14. a battery body; 15. a display screen; 16. a control button; 17. a graduated scale.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

A digital display angle ruler for woodworkers comprises a first measuring plate 1, a second measuring plate 2, a sensor grid 3 and a digital display component 4, wherein the end parts of the first measuring plate 1 and the second measuring plate 2 are rotatably connected, the sensor grid 3 is arranged on the second measuring plate 2, the digital display component 4 is arranged on the first measuring plate 1, a pulse transmitter and a pulse receiver are arranged inside the digital display component 4, the pulse transmitter is used for continuously transmitting pulse signals to the sensor grid 3, and the pulse receiver is used for receiving the pulse signals reflected by the sensor grid 3; one end of the second measuring plate 2, which is rotatably connected with the first measuring plate 1, is provided with a cylindrical boss 5 protruding out of the surface of the second measuring plate, the sensor grid 3 is arranged at the center of the upper plane of the boss 5, the first measuring plate 1 is provided with a rotating ring 6 matched with the boss 5, the rotating ring 6 is sleeved on the boss 5 and is rotatably connected with the boss 5, and a connecting structure for providing pre-tightening force is further arranged between the boss 5 and the rotating ring 6; the sensor grid 3 has a grid with a uniform circumferential arrangement.

Specifically, as shown in fig. 1, a first measuring plate 1 and a second measuring plate 2 are rotatably connected together by a boss 5 arranged on the second measuring plate 2 through a circular hole arranged on the first measuring plate 1; the digital display component 4 is provided with a pulse transmitter and a pulse receiver; the pulse emitter is used for continuously sending pulse signals to the sensor grid 3; the pulse receiver is used for receiving the pulse signals reflected back from the sensor grid 3 and transmitting the reflected pulse signals to the digital display component 4; the digital display component 4 is used for comparing the reflected pulse signals with the initial pulse signals when the digital display component 4 and the sensor grid 3 are relatively static and calculating the variation of the pulse signals, calculating the relative rotation angle between the first measuring plate 1 and the second measuring plate 2 according to the variation of the pulse signals and displaying the calculated data on a display screen 15 of the digital display component 4; the digital display component 4 converts an oblique connection angle value and a horizontal oblique connection angle value according to an actual angle value between the first measuring plate 1 and the second measuring plate 2 displayed on the display screen 15; referring to fig. 2, a user adjusts the rotation angle of the movable woodworking saw table according to the miter angle value, adjusts the inclination angle of the saw blade according to the horizontal miter angle value, and then operates the machine to press the saw blade down, which automatically obtains a combined angle for cutting wood to adapt to the accurate connection of two corner lines at the corner of the wall;

the digital display component 4 can also convert the numerical value required by the carpentry professional field according to the numerical value of the relative rotation angle on the display screen 15. The method has the advantages of simple operation, small error and high measurement precision, and effectively solves the technical problem of low measurement precision caused by large reading error in the prior art; the technical problems of long calculation period and large calculation amount during data conversion in the professional field are effectively solved.

The connecting structure comprises a track ring 7 arranged on the inner ring of the rotating ring 6, and further comprises pre-tightening screws 8 and elastic gaskets 9, a plurality of screw holes 10 are uniformly distributed in the circumferential direction of the boss 5, the pre-tightening screws 8 penetrate through the elastic gaskets 9 and are connected in the screw holes 10 in a threaded mode, the bottom of each elastic gasket 9 is connected with the track ring 7, the pre-tightening screws 8 and the elastic gaskets 9 press the first measuring plate 1 on the boss 5 of the second measuring plate 2, and pre-tightening friction force is provided for relative rotation of the first measuring plate and the second measuring plate through the elastic gaskets 9.

The first measuring plate 1 is also provided with a plurality of mounting holes 11 for fixing the digital display assembly 4, and connecting screws 12 penetrate through the mounting holes 11 for fixing the digital display assembly 4; when the digital display component 4 is installed, the digital display component is fixedly installed on the upper plane of the first measuring plate 1 through the connecting screw 12.

A battery jar 13 for installing a battery is arranged on the digital display component 4, a battery body 14 is arranged in the battery jar 13, and a display screen 15 and a control button 16 are also arranged on the digital display component 4; the battery body 14 supplies power to the digital display module 4. The first measuring plate 1 and the second measuring plate 2 are both provided with graduated scales 17 which can be used for short-distance linear measurement, and the graduated scales 17 can be metric scales or English scales.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and the embodiments shown in the detailed description are only a part of the embodiments of the present invention, not all embodiments, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A digital display angle ruler for woodworker is characterized by comprising a first measuring plate (1), a second measuring plate (2), a sensor grid (3) and a digital display component (4), the ends of the first measuring plate (1) and the second measuring plate (2) are rotationally connected, the sensor grid (3) is arranged on the second measuring plate (2), the digital display component (4) is arranged on the first measuring plate (1), one end of the second measuring plate (2) which is rotatably connected with the first measuring plate (1) is provided with a cylindrical boss (5) protruding out of the surface of the first measuring plate, the sensor grating (3) is arranged at the central part of the upper plane of the boss (5), the first measuring plate (1) is provided with a rotating ring (6) matched with the boss (5), the rotating ring (6) is sleeved on the boss (5) and is rotationally connected with the boss, and a connecting structure for providing pretightening force is arranged between the boss (5) and the rotating ring (6).

2. The digital display angle ruler for woodworkers according to claim 1, characterized in that the connecting structure comprises a track ring (7) arranged at the inner ring of the rotating ring (6), a pre-tightening screw (8) and an elastic gasket (9), a plurality of screw holes (10) are uniformly distributed on the boss (5) in the circumferential direction, the pre-tightening screw (8) penetrates through the elastic gasket (9) and is connected in the screw hole (10) in a threaded manner, and the bottom of the elastic gasket (9) is connected with the track ring (7).

3. The digital display angle ruler for woodworkers according to claim 1, characterized in that a pulse transmitter and a pulse receiver are arranged in the digital display component (4), the pulse transmitter is used for continuously transmitting pulse signals to the sensor grating (3), and the pulse receiver is used for receiving the pulse signals reflected by the sensor grating (3).

4. The digital display angle ruler for woodworkers according to claim 1, characterized in that a plurality of mounting holes (11) for fixing the digital display component (4) are further formed in the first measuring plate (1), and a connecting screw (12) penetrates through the mounting holes (11) for fixing the digital display component (4).

5. The digital display angle ruler for woodworkers according to claim 1, characterized in that a battery jar (13) for installing a battery is arranged on the digital display component (4), a battery body (14) is arranged in the battery jar (13), and a display screen (15) and a control button (16) are further arranged on the digital display component (4).

6. The digital display angle ruler for woodworkers according to claim 1, characterized in that the first measuring plate (1) and the second measuring plate (2) are provided with graduated scales (17).