CN218495995U

CN218495995U - Vertical plane ruler

Info

Publication number: CN218495995U
Application number: CN202220663124.8U
Authority: CN
Inventors: 徐子骅; 邓延霞; 徐东东
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2023-02-17
Anticipated expiration: 2032-03-25

Abstract

The utility model provides a vertical ruler, include: a leveling ruler and a vertical ruler; a rectangular inserting seam is arranged in the middle of the flat ruler; the vertical ruler is arranged in the middle of the flat ruler and is aligned with the rectangular insertion seam, and the width of the vertical ruler is smaller than or equal to the length of the rectangular insertion seam; the scale is arranged on both the flat ruler and the vertical ruler, and the zero point of the scale is the joint between the flat ruler and the vertical ruler.

Description

Vertical plane ruler

Technical Field

The utility model relates to a measuring tool technical field, concretely relates to vertical plane chi.

Background

In many works such as manufacturing, building, designing, quality inspection, often need measure a certain point, the perpendicular distance of line or face to another point, line or face, the chi face of common square is in the coplanar, only is applicable to measuring the point of coplanar, the line interval, for example carry out the measurement with whole laminating ground, wall or the paper of square on the right-angle ruler, if measure the target object of different planes, for example measure the diameter, the radius and the centre of a circle of square stand or circular stand, because the right-angle chi face does not have vertical reference surface, the chi face easily inclines and leads to measuring inaccurate when square stand and cylinder are measured. Meanwhile, a measuring tool which is low in manufacturing cost and convenient and fast to use is not available, and the problem of measuring the diameter and the radius of a circle and determining the position of the circle center can be solved.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a plumbing ruler for overcoming the above problems or at least partially solving or alleviating the above problems.

The utility model provides a vertical ruler, include:

the middle part of the flat ruler is provided with a rectangular inserting seam;

the vertical ruler is arranged in the middle of the flat ruler and is aligned with the rectangular insertion seam, and the width of the vertical ruler is smaller than or equal to that of the rectangular insertion seam;

the scale is arranged on each of the flat ruler and the vertical ruler, and the zero point of the scale is the joint between the flat ruler and the vertical ruler.

The utility model discloses optional characteristic below still having.

Optionally, the scale on the flat is symmetrical at zero.

Optionally, one side edges of the flat rule and the vertical rule are aligned.

Optionally, the middle part of the flat ruler is provided with a hinge seat, the hinge seat is provided with a pair of hinges, one side of the vertical ruler is provided with a hinge shaft, and the hinge shaft is rotatably assembled in the hinges.

Optionally, a vertical slit is provided inside one of the hinge shafts adjacent to the edge of the flat rule, and a root of the dip rule is inserted into the vertical slit for maintaining the vertical to the flat rule.

The utility model discloses a vertical plane chi except common distance measurement function, not only can the accurate radius of measuring circular plane, still can measure and confirm its simple structure, convenient to use to the radius centre of a circle position of circular material structure.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the vertical ruler of the present invention in use for measuring the vertical distance from a point, line or plane to another point, line or plane;

FIG. 4 is a schematic view of the vertical plane ruler of the present invention for measuring the diameter of a cylinder when the two vertical plane rulers are used in combination;

FIG. 5 is a schematic diagram of a vertical ruler used to measure the inside or outside diameter of the circular cross section of a large cylinder;

FIG. 6 is a schematic view showing the use of two vertical plane rulers for measuring the inner diameter of a circular pipe;

fig. 7 is a schematic view of another embodiment of the vertical ruler of the present invention.

In the above figures: 1, leveling; 2, rectangular slotting; 3, a vertical ruler; 4, a hinge seat; 5, a hinged joint; 6, hinging a shaft; 7. and (5) vertically inserting the seam.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Detailed Description

Example 1

Referring to fig. 1 and 2, an embodiment of the present invention provides a vertical ruler, including: a flat ruler 1 and a vertical ruler 3; the middle part of the flat ruler 1 is provided with a rectangular inserting seam 2; the hanging ruler 3 is arranged in the middle of the flat ruler 1 and is aligned with the rectangular insertion seam 2, and the width of the hanging ruler 3 is smaller than or equal to the length of the rectangular insertion seam 2; the horizontal ruler 1 and the vertical ruler 3 are both provided with scales, and the zero point of each scale is the joint between the horizontal ruler 1 and the vertical ruler 3.

The dip 3 is narrower than the flat 1. One end of the vertical ruler 3 is vertically connected with the short and middle axes of the flat ruler 1, and the edges of the front and back sides of the flat ruler 1 and the vertical ruler 3 are marked with distance scales. The flat rule 1 has a rectangular slot 2 at the central axis, which is not connected to the drop rule 3, and which allows the other drop rule 3 to pass through.

As shown in fig. 3, when measuring the vertical distance from a point, a line or a surface to another surface, the flat ruler 1 of the vertical surface ruler of the present invention can be aligned with the plane and hooked, the vertical ruler 3 is close to the point or the line to be measured, and then the distance from the point to be measured to the reference surface is read from the vertical ruler 3.

As shown in fig. 4, the diameter of the cylinder can be measured by combining the two vertical plane rulers, the vertical plane ruler 3 of the two vertical plane rulers is half-penetrated into the hollowed-out insertion seam 2 of the other vertical plane ruler, the penetration depth is adjusted until the respective flat ruler 1 is contacted with the cylinder to be measured, and the reading of the boundary between the vertical plane ruler 3 and the flat ruler 1 of the other vertical plane ruler at the moment is read, namely the diameter of the cylinder. The diameter of the cylinder at a plurality of positions is measured by the same method, so that whether the circular cross section of the cylinder is deformed or not can be judged.

As shown in fig. 5, when a vertical ruler is used to measure the inner diameter or outer diameter of the circular cross section of a large cylinder, the flat ruler 1 is aligned with the pipe orifice of the circular pipe to be measured, the line on which the edge of the flat ruler 1 is located is cut from the outer circle of the circular pipe, the edge of the vertical ruler 3 is tightly attached to the pipe orifice of the circular pipe, at this time, two cutting lines are symmetrical relative to the surface of the vertical ruler 3, the readings at the cutting points on the two sides of the flat ruler 1 are the same and are a, the reading b at the intersection point of the edge of the vertical ruler 3 and the circular pipe is read, the radius R of the inner diameter of the circular pipe can be obtained through geometric relation calculation, after the R is obtained, the contact point of the vertical ruler 3 and the inner wall of the circular pipe can be used as a starting point, the distance R along the direction of the vertical ruler 3 is the position of the center of the circular pipe, and the geometric relation calculation formula is:

R ² ＝(R-b) ² +a ² ；

calculating to obtain:

R＝(a ² +b ² )/2b。

as shown in FIG. 6, when two vertical plane rulers are combined for use in measuring the inner diameter of a circular pipe, two vertical plane rulers with appropriate measuring ranges are selected, the vertical rulers 3 of the two vertical plane rulers penetrate into the hollow insertion slits 2 of the other vertical plane rulers, the penetration depth is adjusted until the end of one vertical ruler 3 and the two ends of the flat ruler 1 of the other vertical plane ruler are flush with the inner wall of the circular pipe, the length b of the vertical ruler 3 penetrating through the surface of the flat ruler 1 and the length a of half of the flat ruler 1 are obtained, the radius R of the inner diameter of the circular pipe can be obtained through geometric relation calculation, after the radius R is obtained, the contact point of the vertical ruler 3 and the inner wall of the circular pipe can be used as a starting point, and the distance R is measured along the direction of the vertical ruler 3, namely the position of the center point of the circular pipe.

And measuring the values a and b of a plurality of positions of the same cross section in the circular tube by the same method, and judging whether the circular cross section of the cylinder is deformed or not according to whether the values a and b are changed or not.

Example 2

Referring to fig. 1, 2, 3, 4, 5 and 6, on the basis of embodiment 1, the scales on the flat ruler 1 are symmetrical at zero point.

The vertical ruler 3 is connected to the zero scale position in the middle of the flat ruler 1, and scales at two ends of the flat ruler 1 are equal, so that a worker can read the measurement length a conveniently.

Example 3

Referring to fig. 1, 2, 3, 4, 5 and 6, on the basis of embodiment 1, one side edges of the flat ruler 1 and the vertical ruler 3 are aligned.

When measuring the mouth of pipe, when the border of levelling rule 1 and mouth of pipe terminal surface hug closely, also need to ensure that the border of plumb bob 3 and mouth of pipe terminal surface hug closely.

Example 4

Referring to fig. 7, on the basis of embodiment 1, a hinge seat 4 is arranged in the middle of the flat ruler 1, a pair of hinges 5 is arranged on the hinge seat 4, a hinge shaft 6 is arranged on one side of the vertical ruler 3, and the hinge shaft 6 is rotatably assembled in the hinges 5.

For conveniently accommodating the utility model discloses a hang down chi, set up articulated seat 4 that has a pair of articulated joint 5 at the middle part of square 1, set up articulated shaft 6 in the one end of the chi of hanging down 3 to pass through articulated shaft 6 hinged joint at the middle part of square 1 with the one end of the chi of hanging down 3, can swing the chi of hanging down 3 to the state that the square 1 is vertically as for the square 1 when using, can swing the chi of hanging down 3 to the state of pasting with the square 1 when accommodating.

Example 5

Referring to fig. 7, on the basis of embodiment 4, a vertical slit 7 is provided inside one of the hinge shafts 6 near the edge of the flat rule 1, and the root of the drop rule 3 is inserted into the vertical slit 7 for keeping perpendicular to the flat rule 1.

In order to ensure that the hanging square 3 is vertical to the flat ruler 1 when in use, the inner side of one of the hinged joints 5 is provided with a vertical inserting seam 7, the hanging square 3 is swung to be in a vertical state, then one side of the hanging square 3 is inserted into the vertical inserting seam 7, at the moment, the edge of the hanging square 3 and the edge of the flat ruler 1 are positioned on the same plane, meanwhile, the hanging square 3 and the flat ruler 1 are fixed in a vertical state, the use by workers is facilitated, when the hanging square 3 needs to be folded after the use, the hanging square 3 is pulled out from the vertical inserting seam 7, and then the hanging square 3 is folded around the hinged shaft 6 to be attached to the flat ruler 1.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.

Claims

1. A vertical ruler, comprising:

the middle part of the flat ruler (1) is provided with a rectangular inserting seam (2);

the vertical ruler (3) is arranged in the middle of the flat ruler (1) and is aligned with the rectangular insertion seam (2), and the width of the vertical ruler (3) is smaller than or equal to the length of the rectangular insertion seam (2);

scales are arranged on the flat ruler (1) and the vertical ruler (3), and the zero point of each scale is the joint between the flat ruler (1) and the vertical ruler (3).

2. The vertical ruler according to claim 1, characterized in that the scale on the flat ruler (1) is symmetrical with zero point.

3. The dip stick according to claim 1, wherein one side edges of the flat rule (1) and the dip rule (3) are aligned.

4. The vertical ruler according to claim 1, characterized in that the middle of the flat ruler (1) is provided with a hinge seat (4), a pair of hinges (5) are provided on the hinge seat (4), one side of the vertical ruler (3) is provided with a hinge shaft (6), and the hinge shaft (6) is rotatably assembled in the hinges (5).

5. The dip ruler according to claim 4, characterized in that a vertical slit (7) is provided inside one of the hinge shafts (6) near the edge of the flat ruler (1), and the root of the dip ruler (3) is inserted into the vertical slit (7) for keeping perpendicular to the flat ruler (1).