CN216683851U

CN216683851U - Multifunctional measuring ruler for navigation

Info

Publication number: CN216683851U
Application number: CN202220040783.6U
Authority: CN
Inventors: 王新起
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-07
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a multifunctional measuring ruler for navigation, which comprises: the main scale is rectangular, and the length of the main scale extends along the left-right direction; the auxiliary ruler is rectangular, a sliding groove is formed in the auxiliary ruler, and the extending direction of the sliding groove is parallel to the length direction of the auxiliary ruler; one end of the connecting rod is hinged with the main ruler, the other end of the connecting rod is hinged with the sliding groove and can slide relative to the sliding groove, and the auxiliary ruler can rotate relative to the main ruler under the constraint of the connecting rod. This dipperstick only retrains main scale and vice chi through a connecting rod for vice chi not only can slide relative to the main scale, can also rotate relatively, through nimble use, can draw parallel lines, also can realize the longitude and latitude locate function of navigation map, and this dipperstick has multiple measurement function, satisfies all kinds of demands.

Description

Multifunctional measuring ruler for navigation

Technical Field

The utility model relates to the field of navigation chart measuring tools, in particular to a measuring scale for navigation.

Background

The navigation parallel ruler is also called as a chart parallel ruler and a surveying and mapping parallel ruler, and utilizes the property that opposite sides of a parallelogram are parallel to each other, when moving operation is carried out, one hand presses a static ruler with proper force, the other hand pushes a movable ruler, the two rulers alternately move in parallel until a required position is reached, and when the chart operation is carried out, the chart parallel ruler can be used for drawing parallel lines, azimuth lines or course lines, and measuring azimuth lines or course line degrees. However, these functions are not enough to meet all the measurement requirements, and the latitude and longitude positioning function of the nautical chart cannot be realized.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a multifunctional measuring scale for navigation.

The multifunctional marine measuring scale according to the embodiment of the utility model comprises: the main scale is rectangular, and the length of the main scale extends along the left-right direction; the auxiliary ruler is rectangular, a sliding groove is formed in the auxiliary ruler, and the extending direction of the sliding groove is parallel to the length direction of the auxiliary ruler; one end of the connecting rod is hinged with the main ruler, the other end of the connecting rod is hinged with the sliding groove and can slide relative to the sliding groove, and the auxiliary ruler can rotate relative to the main ruler under the constraint of the connecting rod.

The method has the following beneficial effects: the measuring scale only restrains the main scale and the auxiliary scale through one connecting rod, so that the auxiliary scale can slide relative to the main scale and can rotate relative to the main scale. Aligning the long side of the main scale with the azimuth line or the course line, vertically placing the auxiliary scale and the main scale, enabling the long side of the auxiliary scale to be always attached to the short side of the main scale, and drawing parallel lines by keeping the auxiliary scale static and translating the main scale; when the longitude and latitude are positioned, the longitude and the latitude are known, a point needs to be positioned and found on the nautical chart, the auxiliary ruler is vertically placed with the main ruler, the long edge of the auxiliary ruler is attached to the short edge of the main ruler, the long edge of the auxiliary ruler is aligned to a known longitude reference line on the boundary of the nautical chart, then the auxiliary ruler is kept static and the main ruler is translated, the short edge of the main ruler is always attached to the long edge of the auxiliary ruler, then the main ruler is kept static and the auxiliary ruler is translated, so that the main ruler and the auxiliary ruler are alternately translated and approach to the vicinity of the known latitude, then a vertical line is drawn along the long edge of the auxiliary ruler, the vertical line is an extension line of the known longitude reference line, the measuring ruler is rotated by 90 degrees according to enable the long edge of the auxiliary ruler to be aligned to the known latitude reference line on the boundary of the nautical chart, the main ruler and the auxiliary ruler are alternately translated, finally a transverse line intersecting with the vertical line can be drawn along the long edge of the auxiliary ruler to be an extension line of the known latitude reference line, the intersection point of the vertical line and the transverse line is the longitude and latitude positioning target point to be searched, so that the longitude and latitude positioning function of the navigation chart can be realized, and the measuring scale has multiple measuring functions and meets various requirements.

According to some embodiments of the utility model, further comprising: the first angle scale is arranged on the right side of the main scale and is fan-shaped, angle scale marks are arranged on the first angle scale, the circle center of the first angle scale is overlapped with the right rear angle of the main scale, and one radius edge of the first angle scale is overlapped with the short edge of the main scale; the second angle ruler is arranged in front of the main ruler and is fan-shaped, angle scale marks are arranged on the second angle ruler, the circle center of the second angle ruler is overlapped with the right front angle of the main ruler, and one radius side of the second angle ruler is overlapped with the long side of the main ruler.

According to some embodiments of the utility model, the first and second goniometers are each in the shape of a right angle sector.

According to some embodiments of the present invention, the sub scale is lower than the first and second angle scales in an up-down direction, a lower surface of the main scale is flush with a lower surface of the sub scale, and an upper surface of the main scale is flush with upper surfaces of the first and second angle scales.

According to some embodiments of the utility model, the thickness of the first angle scale is the same as the thickness of the second angle scale, and the thickness of the main scale is equal to the sum of the thickness of the first angle scale and the thickness of the secondary scale.

According to some embodiments of the utility model, the length of the link is greater than the distance from one end of the link to any point on the first and second scales.

According to some embodiments of the utility model, the main scale, the secondary scale, the first angle scale and the second angle scale are transparent.

According to some embodiments of the utility model, the main scale, the first angle scale and the second angle scale are integrally formed.

According to some embodiments of the utility model, the other end of the connecting rod is rotatably mounted with a rotating wheel, and the rotating wheel is slidably connected with the sliding groove.

According to some embodiments of the utility model, a handle is mounted on both the main scale and the secondary scale.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the following figures and examples, in which:

FIG. 1 is a top view of an embodiment of the present invention with the major and minor dimensions parallel;

FIG. 2 is a top view of an embodiment of the present invention with the major and minor dimensions perpendicular;

FIG. 3 is a top view of an embodiment of the present invention measuring angles in the second and fourth quadrants;

FIG. 4 is a top view of an embodiment of the present invention measuring angles in the first and third quadrants;

fig. 5 is a rear view of the main scale in the embodiment of the present invention.

Reference numerals: the measuring device comprises a main ruler 1, an auxiliary ruler 2, a sliding groove 21, a connecting rod 3, a first angle ruler 4, a second angle ruler 5 and a handle 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 5, the utility model discloses a multifunctional marine measuring scale, which comprises a main scale 1, an auxiliary scale 2 and a connecting rod 3.

Wherein, main scale 1 and vice chi 2 all are rectangle, and the length of main scale 1 extends along left right direction, has seted up spout 21 on the vice chi 2, and the extending direction of spout 21 is parallel with the length direction of vice chi 2.

Referring to fig. 1 and 2, only one connecting rod 3 is provided, one end of the connecting rod 3 is hinged with the main scale 1, and the other end is hinged with the sliding groove 21 and can slide relative to the sliding groove 21, it can be understood that the auxiliary scale 2 can rotate relative to the main scale 1 under the restriction of the connecting rod 3, and can also slide relative to the main scale 1 and move under the combined action of the two movements.

The measuring scale only restricts the main scale 1 and the auxiliary scale 2 through the connecting rod 3, so that the auxiliary scale 2 can slide relative to the main scale 1 and can also rotate relatively, when parallel lines need to be drawn, the long edge of the main scale 1 is aligned to an azimuth line or a course line, for convenience of understanding, the embodiment of the utility model only takes the course line as an example in the following, then the auxiliary scale 2 is vertically placed with the main scale 1, the long edge of the auxiliary scale 2 is always attached to the short edge of the main scale 1, and the parallel lines can be drawn by keeping the auxiliary scale 2 static and translating the main scale 1.

It can be understood that according to the principle that the traditional navigation parallel ruler measures the heading line degrees, the measuring ruler can transfer the parallel lines of the heading line to the azimuth circle of the navigation chart in a manner similar to the drawing of the parallel lines, so that the degrees of the heading line can be measured.

When longitude and latitude positioning is carried out, longitude and latitude are known, points need to be positioned and found on a navigation chart, a secondary ruler 2 is vertically placed with a main ruler 1, the long side of the secondary ruler 2 is attached to the short side of the main ruler 1, the long side of the secondary ruler 2 is aligned to a known longitude reference line on the boundary of the navigation chart, then the secondary ruler 2 is kept still, the main ruler 1 is translated, the short side of the main ruler 1 is always attached to the long side of the secondary ruler 2, then the main ruler 1 is kept still, the secondary ruler 2 is translated, the main ruler 1 and the secondary ruler 2 are alternately translated and approach to the vicinity of the known latitude, then a vertical line is drawn along the long side of the secondary ruler 2, the vertical line is an extension line of the known longitude reference line, the measuring scale is rotated by 90 degrees according to the same principle, the long side of the secondary ruler 2 is aligned to the known latitude reference line on the boundary of the navigation chart, and finally a transverse line intersecting with the vertical line can be drawn along the long side of the secondary ruler 2 by alternately translating the main ruler 1 and the secondary ruler 2, for the extension line of the known latitude reference line, the intersection point of the vertical line and the transverse line is the longitude and latitude positioning target point to be searched, so that the longitude and latitude positioning function of the navigation chart can be realized.

Referring to fig. 1 and 2, in some embodiments of the utility model, a first angle 4 and a second angle 5 are also included.

Wherein, first bevel protractor 4 sets up in the right-hand side of main scale 1 and is fan-shaped, is provided with the angle scale mark on the first bevel protractor 4, the centre of a circle of first bevel protractor 4 and the coincidence of the right back angle of main scale 1, one of them radius limit of first bevel protractor 4 and the coincidence of the minor face of main scale 1.

The second angle ruler 5 is arranged in front of the main ruler 1 and is fan-shaped, angle scale marks are arranged on the second angle ruler 5, the circle center of the second angle ruler 5 coincides with the right front angle of the main ruler 1, and one of the radius edges of the second angle ruler 5 coincides with the long edge of the main ruler 1.

Referring to fig. 3 and 4, in some embodiments of the utility model, the first and

second goniometers

4, 5 are each in the form of a right angle sector, i.e. the first and

second goniometers

4, 5 are both in the angular range of 90 °.

The measuring scale can directly and quickly measure the degrees of course lines on an nautical chart, wherein the first angle ruler 4 is used for measuring the course lines of which the angles are in a first quadrant and a third quadrant, and the second angle ruler 5 is used for measuring the course lines of which the angles are in a second quadrant and a fourth quadrant.

Referring to fig. 3, when the angle of the course line is in the second quadrant or the fourth quadrant, the long edge of the auxiliary scale 2 is made to coincide with the course line, then a weft line intersecting the long edge of the auxiliary scale 2 is found on the nautical chart, the long edge of the main scale 1 is made to align with the weft line, the right front angle of the main scale 1 is made to be attached to the long edge of the auxiliary scale 2, and the angle of the long edge of the auxiliary scale 2 at the moment is read through the second angle scale 5, as shown in fig. 3, the angle is the degree of the course line.

Referring to fig. 4, when the angle of the course line is in the first and third image limits, the long side of the secondary scale 2 is made to coincide with the course line, then a weft line intersecting the long side of the secondary scale 2 is found on the nautical chart, the long side of the main scale 1 is made to align with the weft line, the right rear angle of the main scale 1 is made to be attached to the long side of the secondary scale 2, and the angle of the long side of the secondary scale 2 at this time is read by the second angle scale 5, as shown in fig. 4, that is, the degree of the course line.

Referring to fig. 3, 4 and 5, in some embodiments of the utility model, the sub scale 2 is lower than the first angle scale 4 and the second angle scale 5 in the up-down direction, the lower surface of the main scale 1 is flush with the lower surface of the sub scale 2, so as to ensure that the measuring scale can be horizontally placed on the nautical chart, the upper surface of the main scale 1 is flush with the upper surfaces of the first angle scale 4 and the second angle scale 5, wherein the thickness of the first angle scale 4 is the same as that of the second angle scale 5, and the thickness of the main scale 1 is equal to the sum of the thickness of the first angle scale 4 and the thickness of the sub scale 2.

Referring to fig. 3 and 4, the length of the connecting rod 3 is greater than the distance from one end of the connecting rod 3 to any point on the first angle ruler 4 and the second angle ruler 5, so that the connecting rod 3 can rotate freely without being blocked by the first angle ruler 4 or the second angle ruler 5 in the rotating process.

In addition, main scale 1, vice chi 2, first angle chi 4 and second angle chi 5 all are the transparence, conveniently see through the angle that first angle chi 4 or second angle chi 5 read vice chi 2's long limit, can also draw black frame line at main scale 1 and vice chi 2's border position, conveniently find the alignment datum line.

In the manufacturing process of this dipperstick, main scale 1,

first bevel protractor

4 and 5 integrated into one piece of second bevel protractor, the long limit of one side that is close to main scale 1 on the vice chi 2 does not carry out the chamfer and handles, and sets up certain thickness, makes things convenient for the welt setting-out.

In some embodiments of the present invention, the other end of the connecting rod 3 is rotatably installed with a rotating wheel, the rotating wheel is slidably connected with the sliding groove 21, the rotating wheel can be embedded in the sliding groove 21, and the rotating wheel rolls on the side wall of the sliding groove 21 during the sliding process, so that the arrangement ensures the free and smooth sliding and is faster.

In addition, the main ruler 1 and the auxiliary ruler 2 are respectively provided with the handle 6, so that the use and the operation are convenient, when the main ruler 1 and the auxiliary ruler 2 slide or rotate relatively, an operator can hold the handle 6 on the main ruler 1 with one hand and hold the handle 6 on the auxiliary ruler 2 with the other hand, and the operation can be flexibly carried out. For convenient storage, a bayonet lock can be arranged at the left end of the main ruler 1 and used for clamping and fixing the auxiliary ruler 2, so that after the measuring ruler is used, as shown in fig. 1, the main ruler 1 and the auxiliary ruler 2 are attached and stored together side by side.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. Multi-functional dipperstick for navigation, its characterized in that includes:

the main scale is rectangular, and the length of the main scale extends along the left-right direction;

the auxiliary ruler is rectangular, a sliding groove is formed in the auxiliary ruler, and the extending direction of the sliding groove is parallel to the length direction of the auxiliary ruler;

one end of the connecting rod is hinged with the main ruler, the other end of the connecting rod is hinged with the sliding groove and can slide relative to the sliding groove, and the auxiliary ruler can rotate relative to the main ruler under the constraint of the connecting rod.

2. The multifunctional marine dipstick of claim 1, further comprising:

the first angle scale is arranged on the right side of the main scale and is fan-shaped, angle scale marks are arranged on the first angle scale, the circle center of the first angle scale is overlapped with the right rear angle of the main scale, and one radius edge of the first angle scale is overlapped with the short edge of the main scale;

the second angle ruler is arranged in front of the main ruler and is fan-shaped, angle scale marks are arranged on the second angle ruler, the circle center of the second angle ruler is overlapped with the right front angle of the main ruler, and one radius side of the second angle ruler is overlapped with the long side of the main ruler.

3. The multifunctional marine dipstick of claim 2 wherein the first and second goniometers are each in the form of a right angle sector.

4. The multifunctional marine measuring stick as claimed in claim 2, wherein the sub-scale is lower than the first and second angle scales in the vertical direction, a lower surface of the main scale is flush with a lower surface of the sub-scale, and an upper surface of the main scale is flush with upper surfaces of the first and second angle scales.

5. The multifunctional marine dipstick of claim 4, wherein the thickness of the first angle scale is the same as the thickness of the second angle scale, and wherein the thickness of the main scale is equal to the sum of the thickness of the first angle scale and the thickness of the secondary scale.

6. The multifunctional marine measurement ruler of claim 4, wherein the length of the link is greater than the distance from one end of the link to any point on the first and second goniometers.

7. The multifunctional marine dipstick of claim 6, wherein the primary scale, the secondary scale, the first angle scale and the second angle scale are transparent.

8. The multifunctional marine dipstick of claim 4, wherein the main scale, the first angle scale and the second angle scale are integrally formed.

9. The multifunctional marine measuring stick of any one of claims 1 to 8, wherein a rotating wheel is rotatably mounted at the other end of the connecting rod, and the rotating wheel is slidably connected to the sliding groove.

10. The multifunctional marine dipstick of any of claims 1 to 8 wherein both the primary and secondary scales have handles attached thereto.