Multifunctional angle measuring tool for fine woodworking

By designing multi-function angle measurement tools, using components such as secondary ruler, rotary plate and lock bolts, the problem of point acquisition error of existing woodworking tools is solved, and more accurate and stable angle measurement and arc drawing are achieved, which improves woodworking The precision of the work.

CN222353080UActive Publication Date: 2025-01-14WUHAN SHIXIN ZHIYUAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421019547.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-01-14
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

There are errors in the existing woodworking measurement tools during the point acquisition process, resulting in the wood work not being fine enough.

Method used

A multi-functional angle measurement tool is designed, including protractors, rotary plates, sliders and lock bolts, extending the reference edges through the secondary ruler, extending the scale marks in the rotation plate in the reverse direction, indicating needles and indicator lines, and determining the angle through the studs The rotary plate is fixed with the knob to reduce point deviation and achieve more accurate angle measurement.

Benefits of technology

The accuracy and stability of measuring angles on the wooden board are achieved, the deviation caused by the acquisition point is reduced, the angle can be directly stroked and arcs of a predetermined radius can be drawn, and the precision of wood work is improved.

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Abstract

The utility model discloses a multifunctional angle measuring tool for fine woodworking, which comprises a protractor, an extension plate is integrally formed at the bottom of the protractor, an auxiliary ruler is integrally formed at one end of the extension plate, a fixed shaft is integrally formed at the circle center of the protractor, and the protractor is rotatably connected with a rotating plate through the fixed shaft. A pointer is integrally formed at one end of the rotating plate, a first reference edge is arranged on one side of the rotating plate, a second reference edge is arranged on one side of the extension plate, scales are arranged on the outer wall of one side of the rotating plate, and a sliding seat is slidably connected to the outer portion of the rotating plate. According to the utility model, the bottom edge of the protractor is extended through the reference edge I of the auxiliary ruler, the scale marks on the protractor are reversely extended through the reference edge II of the rotating plate, and the reference edge I and the reference edge II are directly stroked to obtain a required angle, so that point taking is not needed when an angle is measured on a wood plate; deviation caused by point taking is reduced, and therefore the effect that angle measuring is more accurate is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of woodworking measuring tools, in particular to a multifunctional angle measuring tool for fine woodworking. Background Art

[0002] When workers use a protractor to measure and draw a predetermined angle, they need to first pick a point and then draw a line. Due to the certain error in the process of picking the point, the woodworking operation is not precise enough. Therefore, it is urgent to design a multifunctional angle measurement tool for fine woodworking to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a multifunctional angle measuring tool for fine woodworking to solve the above-mentioned deficiencies in the prior art.

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

[0005] A multifunctional angle measuring tool for fine woodworking comprises a protractor, wherein an extension plate is integrally formed at the bottom of the protractor, a secondary ruler is integrally formed at one end of the extension plate, a fixed shaft is integrally formed at the center of the protractor, the protractor is rotatably connected to a rotating plate via the fixed shaft, an indicator needle is integrally formed at one end of the rotating plate, a reference edge 1 is provided on one side of the rotating plate, a reference edge 2 is provided on one side of the extension plate, a scale is provided on one side of the outer wall of the rotating plate, a sliding seat is slidably connected to the outside of the rotating plate, and an indicator line is provided on one side of the outer wall of the sliding seat.

[0006] Furthermore, a movable groove is opened on one side outer wall of the protractor, and a slide groove matched with the movable groove is opened on the other side outer wall of the protractor, a disc is arranged inside the slide groove, a stud is inserted inside the rotating plate, one end of the stud is connected to the disc by a thread, and a knob is fixed on the end of the stud away from the disc.

[0007] Furthermore, a conical hole is opened on one side outer wall of the sliding seat, and a hollow groove matched with the conical hole is opened on one side outer wall of the rotating plate.

[0008] Furthermore, a locking bolt is threadedly connected to an outer wall of one side of the slide seat, and one end of the locking bolt is in contact with the rotating plate.

[0009] Furthermore, a through hole is opened at the center of the fixed shaft, and a hollow window is opened on the outer wall of the protractor.

[0010] Furthermore, a stopper is fixed to an outer wall of one side of the rotating plate, and a stopper is integrally formed with one end of the fixed shaft.

[0011] In the above technical scheme, the utility model provides a multifunctional angle measuring tool for fine woodworking, and the beneficial effects are as follows: the bottom edge of the protractor is extended by the reference side one of the secondary ruler, and the scale line on the protractor is extended in the opposite direction by the reference side two of the rotating plate, and the required angle is obtained by directly tracing the reference side one and the reference side two, so that there is no need to take points when measuring the angle on the wooden board, reducing the deviation caused by taking points, thereby achieving a more accurate effect of measuring angles; the through hole is made to correspond to the center of the arc, and the radius of the arc is determined by the cooperation of the indicator line and the scale on the rotating plate, so that when the pencil is inserted into the conical hole and the rotating plate is rotated, an arc of a predetermined radius can be drawn, thereby achieving the multifunctional effect of the angle measuring tool; by setting the disc to slide inside the slide slot, and fixing the rotating plate and the protractor by the stud and the knob, it is more stable when drawing a fixed angle on the wooden board, and the slide seat and the rotating plate can be fixed by the locking bolt, so that it is more stable when drawing the arc. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0013] Figure 1 The present invention is a schematic diagram of a top view of a multifunctional angle measuring tool for fine woodworking.

[0014] Figure 2 The present invention is a schematic diagram of a slide groove structure provided in an embodiment of a multifunctional angle measuring tool for fine woodworking.

[0015] Figure 3 The present invention is a schematic diagram of a slide structure provided in an embodiment of a multifunctional angle measuring tool for fine woodworking.

[0016] Figure 4 The utility model is a schematic diagram of a through hole structure provided in an embodiment of a multifunctional angle measuring tool for fine woodworking.

[0017] Figure 5 This is a schematic diagram of the enlarged structure of point A provided in an embodiment of the utility model of a multifunctional angle measuring tool for fine woodworking.

[0018] Description of reference numerals:

[0019] 1 protractor, 2 rotating plate, 3 extension plate, 4 movable groove, 5 fixed shaft, 6 slide seat, 7 locking bolt, 8 secondary ruler, 9 through hole, 10 scale, 11 reference edge 1, 12 reference edge 2, 13 indicator needle, 14 indicator line, 15 tapered hole, 16 hollow window, 17 slide groove, 18 disc, 19 knob, 20 stud, 21 baffle, 22 baffle, 23 hollow groove. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1-5 As shown, a multifunctional angle measuring tool for fine woodworking provided by an embodiment of the utility model includes a protractor 1, an extension plate 3 is integrally formed at the bottom of the protractor 1, a secondary ruler 8 is integrally formed at one end of the extension plate 3, a fixed shaft 5 is integrally formed at the center of the protractor 1, the protractor 1 is rotatably connected to a rotating plate 2 via the fixed shaft 5, an indicator needle 13 is integrally formed at one end of the rotating plate 2, a reference edge 11 is provided on one side of the rotating plate 2, a reference edge 2 12 is provided on one side of the extension plate 3, a scale 10 is provided on one side of the outer wall of the rotating plate 2, a slide seat 6 is slidably connected to the outside of the rotating plate 2, and an indicator line 14 is provided on one side of the outer wall of the slide seat 6.

[0022] Specifically, in this embodiment, a protractor 1 is included, the protractor 1 has scale lines for measuring angles, an extension plate 3 is integrally formed at the bottom of the protractor 1, one end of the extension plate 3 is integrally formed with a secondary ruler 8, the secondary ruler 8 also has scale lines, so that the secondary ruler 8 can achieve the effect of straight line measurement, a fixed shaft 5 is integrally formed at the center of the protractor 1, the protractor 1 is rotatably connected to a rotating plate 2 through the fixed shaft 5, the rotating plate 2 and the protractor 1 can rotate, and an indicator needle 13 is integrally formed at one end of the rotating plate 2, the indicator needle 1 3 points to the scale line on the protractor 1, a reference side 11 is provided on one side of the rotating plate 2, and a reference side 2 12 is provided on one side of the extension plate 3. According to the principle of equal vertical angles, the angle between the reference side 11 and the reference side 2 12 is equal to the angle indicated by the indicator needle 13 on the protractor 1. A scale 10 is provided on the outer wall of one side of the rotating plate 2, and the starting position of the scale 10 is at the center of the protractor 1. The outer side of the rotating plate 2 is slidably connected to a slide seat 6, and an indicator line 14 is provided on one side outer wall of the slide seat 6. A conical hole 15 is provided, through which the tip of a pencil can pass. A hollow groove 23 matching the conical hole 15 is provided on the outer wall of one side of the rotating plate 2. The hollow groove 23 is linear, so that the rotating plate 2 will not block the tip of the pencil from being inserted into the conical hole 15. A through hole 9 is provided at the center of the fixed shaft 5. When an arc needs to be drawn, the through hole 9 is aligned with the designated center of the arc. A hollow window 16 is provided on the outer wall of the protractor 1. The position of the designated center of the circle can be observed through the hollow window 16, so that the designated center of the circle can be moved to the through hole 9. When in use, the through hole 9 is aligned with the center of the arc, and the radius of the arc is determined by the indicator line 14 and the scale 10 on the rotating plate 2, so that when the pencil is inserted into the tapered hole 15 and the rotating plate 2 is rotated, an arc with a predetermined radius can be drawn, thereby achieving the multifunctional effect of the angle measuring tool; a locking bolt 7 is connected to the outer wall of one side of the slide 6 through a thread, and one end of the locking bolt 7 is in contact with the rotating plate 2. The slide 6 and the rotating plate 2 can be fixed by the locking bolt 7, making it more stable when drawing an arc.

[0023] The utility model provides a multifunctional angle measuring tool for fine woodworking. The bottom edge of the protractor 1 is extended by the reference edge 11 of the secondary ruler 8, and the scale 10 on the protractor 1 is extended in the reverse direction by the reference edge 2 12 of the rotating plate 2. The reference edge 11 and the reference edge 2 12 are directly traced to obtain the required angle, so that there is no need to take points when measuring the angle on the wooden board, which reduces the deviation caused by taking points, thereby achieving a more accurate effect of measuring the angle, and making the woodworking operation more precise.

[0024] In another embodiment provided by the utility model, a movable groove 4 is provided on the outer wall of one side of the protractor 1, and the movable groove 4 is in an arc shape. A slide groove 17 adapted to the movable groove 4 is provided on the outer wall of the other side of the protractor 1, and the slide groove 17 is also in an arc shape, and the slide groove 17 is on the back of the protractor 1. A disc 18 is arranged inside the slide groove 17, and the disc 18 can move inside the slide groove 17. A stud 20 is inserted inside the rotating plate 2, and one end of the stud 20 is connected to the disc 18 by a thread. A knob 19 is fixed on the end of the stud 20 away from the disc 18. When the knob 19 is rotated, the rotating plate 2 and the protractor 1 can be fixed, so that it is more stable when drawing a fixed angle on the wooden board; a stopper 22 is fixed to the outer wall of one side of the rotating plate 2, and the stopper 22 prevents the slide seat 6 from being separated from the rotating plate 2, and a stopper 21 is integrally formed at one end of the fixed shaft 5, and the stopper 21 prevents the rotating plate 2 from being separated from the fixed shaft 5.

[0025] Working principle: When in use, when a certain angle needs to be drawn on a wooden board, the protractor 1 is placed on the wooden board, and then the slide 6 is slid to the end of the rotating plate 2 close to the stopper 22, and the rotating plate 2 is rotated so that the indicator needle 13 of the rotating plate 2 corresponds to the scale 10 on the protractor 1. At this time, the scale 10 indicated by the indicator needle 13 on the protractor 1 is the angle value to be drawn, and then the knob 19 is rotated to fix the rotating plate 2 and the protractor 1, and then a pencil is used to draw lines at the reference side 1 11 and the reference side 2 12, and now the required angle can be drawn on the wooden board. degrees; when it is necessary to draw an arc of a certain radius on the wooden board; slide the slide 6 on the rotating plate 2 so that the indicator line 14 on the slide 6 corresponds to the scale 10 on the rotating plate 2. At this time, the position where the indicator line 14 corresponds to the scale 10 is the radius of the arc to be drawn, and then fix the slide 6 and the rotating plate 2 by the locking bolt 7, and then correspond the through hole 9 to the circle on the wooden board where the arc needs to be drawn, and then keep the protractor 1 fixed, insert the nose of the pencil into the inside of the conical hole 15, and make the pencil rotate the rotating plate 2, so that the pencil can draw an arc of a fixed radius on the wooden board.

[0026] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multifunctional angle measuring tool for fine woodworking, characterized in that: The invention comprises a protractor (1), wherein an extension plate (3) is integrally formed at the bottom of the protractor (1), a secondary ruler (8) is integrally formed at one end of the extension plate (3), a fixed shaft (5) is integrally formed at the center of the protractor (1), the protractor (1) is rotatably connected to a rotating plate (2) via the fixed shaft (5), an indicating needle (13) is integrally formed at one end of the rotating plate (2), a reference edge 1 (11) is provided on one side of the rotating plate (2), a reference edge 2 (12) is provided on one side of the extension plate (3), a scale (10) is provided on one side of the outer wall of the rotating plate (2), a sliding seat (6) is slidably connected to the outside of the rotating plate (2), and an indicating line (14) is provided on one side of the outer wall of the sliding seat (6).

2. A multifunctional angle measuring tool for fine woodworking according to claim 1, characterized in that: A movable groove (4) is formed on one outer wall of the protractor (1), a sliding groove (17) matched with the movable groove (4) is formed on the other outer wall of the protractor (1), a disc (18) is arranged inside the sliding groove (17), a stud (20) is inserted inside the rotating plate (2), one end of the stud (20) is connected to the disc (18) by a thread, and a knob (19) is fixed to the end of the stud (20) away from the disc (18).

3. The multifunctional angle measuring tool for fine woodworking according to claim 1, characterized in that: A conical hole (15) is formed on one side outer wall of the slide seat (6), and a hollow groove (23) matching the conical hole (15) is formed on one side outer wall of the rotating plate (2).

4. The multifunctional angle measuring tool for fine woodworking according to claim 1, characterized in that: A locking bolt (7) is threadedly connected to an outer wall of one side of the sliding seat (6), and one end of the locking bolt (7) is in contact with the rotating plate (2).

5. The multifunctional angle measuring tool for fine woodworking according to claim 1, characterized in that: A through hole (9) is provided at the center of the fixed shaft (5), and a hollow window (16) is provided on the outer wall of the protractor (1).

6. The multifunctional angle measuring tool for fine woodworking according to claim 1, characterized in that: A stopper (22) is fixed to an outer wall of one side of the rotating plate (2), and a stopper (21) is integrally formed at one end of the fixed shaft (5).