CN218097436U - Measuring scale for engineering cost - Google Patents

Abstract

The utility model relates to a technical field of dipperstick provides a dipperstick for engineering cost, include: the pen comprises a strip-shaped cuboid ruler body, a cylindrical pin body, a rod body and a ring body for a pen to pass through; the ruler body is provided with a preset side surface; the predetermined side surface has opposite first and second linear edges; two blind holes are formed in the preset side surface; each blind hole is cylindrical, and the axis of each blind hole is vertical to the preset side surface; the distance between the axis of the blind hole and the first straight line edge is a first distance, and the distance between the axis of the blind hole and the second straight line edge is the first distance; the outer diameter of the pin body is the same as the inner diameter of the blind hole; one end of the pin body is inserted into any blind hole, one end of the rod body is connected to the other end of the pin body, the ring body is connected to the other end of the rod body, and the rod body is located between the pin body and the ring body.

Description

Measuring scale for engineering cost

Technical Field

The utility model belongs to the technical field of the dipperstick, more specifically says, relates to a dipperstick for engineering cost.

Background

In the process of modern infrastructure, the construction cost cannot be kept: and predicting, planning, controlling, accounting and analyzing the engineering cost.

In the calculation process of a calculation project (such as a residential building or a factory building), mutually perpendicular straight lines are often required to be drawn on a drawing. Straight lines are usually drawn by square (see square (Chinese Utility model patent; publication No.: CN207808859U; subject name: a ruler for teaching mathematics in primary schools; publication No.: 2018-09-04), and right triangle can be used for drawing right angles). However, in the process of drawing two perpendicular lines on a drawing, one side of a square is required to be tightly attached to a reference straight line, then a perpendicular line perpendicular to the reference straight line is drawn along the other side of the square, but the square is difficult to be accurately attached to the reference straight line, and therefore right-angle drawing is inaccurate; or the square is placed on a drawing, parts of two straight lines are firstly drawn along two square edges respectively, then the two straight lines are respectively extended through the ruler and are intersected, but the ruler is difficult to accurately align the two straight lines drawn in front in the process of extending the straight lines, and the right angle of the drawn intersected straight lines is inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dipperstick for engineering cost to solve the inaccurate technical problem of right angle drawing that exists among the prior art.

In order to achieve the purpose, the utility model adopts the technical proposal that: provided is a measuring scale for construction cost, including: the pen comprises a strip-shaped cuboid ruler body, a cylindrical pin body, a rod body and a ring body for a pen to pass through; the ruler body is provided with a preset side surface; the predetermined side surface has first and second opposite linear edges; two blind holes are formed in the preset side surface; the blind holes are the same and cylindrical, and the axis of each blind hole is vertical to the preset side surface; the distance between the axis of the blind hole and the first straight line edge is a first distance, and the distance between the axis of the blind hole and the second straight line edge is the first distance; the outer diameter of the pin body is the same as the inner diameter of the blind hole; one end of the pin body is inserted into any blind hole, one end of the rod body is connected to the other end of the pin body, the ring body is connected to the other end of the rod body, and the rod body is located between the pin body and the ring body; the rod body extends along the radial direction of the pin body; assuming that the distance between the axes of the two blind holes is a second distance, the length of the rod body is greater than or equal to the second distance, and the first distance is smaller than half of the second distance.

Further, the length of the rod body is the second distance.

Further, the first distance is less than one third of the second distance.

Further, the first distance is less than one fifth of the second distance.

Further, the cross section of the rod body is rectangular.

Further, the outer surface of the rod body abuts against the predetermined side surface.

Further, the ring body is a circular ring, and the axis of the circular ring is parallel to the axis of the pin body.

Further, the ring body is circular in cross section.

Further, the rod body and the pin body are an integral piece.

Further, the rod body and the ring body are integrated.

The utility model provides a dipperstick for engineering cost's beneficial effect lies in: compared with the prior art, the measuring scale for the engineering cost provided by the utility model has the advantages that the scale body is cuboid, the scale body is provided with two side surfaces, and one side surface is a preset side surface; the preset side surface is provided with a first straight edge and a second straight edge which are oppositely arranged, the first straight edge and the second straight edge respectively extend in the straight direction, and the first straight edge and the second straight edge are arranged in parallel; two blind holes (blind holes in a cavity shape) are arranged on the preset side surface, and the blind holes are cylindrical; the cylindrical blind hole is provided with an axis, and the axis of the blind hole is perpendicular to the preset side surface; the distance between the axis of each blind hole and the edge of the first straight line is a first distance L, and the distance between the axis of each blind hole and the edge of the second straight line is a first distance L; one end of the pin body is inserted into any one blind hole, and the rod body is connected to the other end of the pin body; the pin body is cylindrical, and the outer diameter of the pin body is the same as the inner diameter of the blind hole, so that the pin body inserted into the blind hole can rotate around the axis of the pin body, and the pin body is not easy to shake in the blind hole; one end of the rod body is connected to the pin body, the other end of the rod body is provided with the ring body, and the pen can penetrate through the ring body; after the pen is arranged in the ring body in a penetrating mode, when the pen moves around the pin body, an arc with the distance between the pen and the axis of the pin body as the radius can be drawn. When two straight lines need to be drawn to be vertical, the other side surface, opposite to the preset side surface, on the ruler body is attached to a drawing, and a reference straight line is drawn along the edge of the first straight line or the edge of the second straight line; 【2】 Inserting the pin body into one of the blind holes, penetrating the pen through the ring body and drawing a first arc on a drawing; 【3】 Inserting the pin body into the other blind hole, penetrating the pen through the ring body and drawing a second arc on the drawing; the rod body extends along the radial direction of the pin body, the distance between the axes of the two blind holes is a second distance L, the length of the rod body is greater than or equal to the second distance L, and the first distance L is smaller than half of the second distance L; when the radius of the drawing is a second distance L, assuming that an arc drawn around the axis of one blind hole is a first arc (the first circle center of the first arc: the intersection point of the axis of the blind hole and the drawing), assuming that an arc drawn around the axis of the other blind hole is a second arc (the second circle center of the second arc: the intersection point of the axis of the blind hole and the drawing), the first arc and the second arc have a predetermined intersection point, the first circle center and the second circle center form a regular triangle, the distance between the first circle center and the second circle center is the second distance L, and the distance between the predetermined intersection point and the connecting line between the first circle center and the second circle center is more than half of the second distance L; since the first distance L (where the distance between the axis of the blind hole and the first straight edge is the first distance L, and the distance between the axis of the blind hole and the second straight edge is the first distance L) is less than half of the second distance L, the predetermined intersection point is located outside the first straight edge, or the predetermined intersection point is located outside the second straight edge [ 2 ], in summary, since the predetermined intersection point exists outside the first straight edge or the second straight edge when the radius of the drawing is the second distance L, if the drawing radius is increased, that is, the drawing radius is greater than the second distance L (it should be noted that, since the length of the rod is greater than or equal to the second distance L, the rod extends in the radial direction of the pin, and the rod is located between the pin and the ring body, the drawing radius is greater than the second distance L), the predetermined intersection point may also exist outside the first straight edge or the second straight edge); the first arc and the second arc can form a second intersection point on a drawing on the outer side of the second straight line edge of the ruler body; connecting the first intersection point and the second intersection point through the ruler body to draw a preset vertical line, wherein the preset vertical line is perpendicular to the reference straight line; because the ruler body can not move in the process of keeping relative to the drawing in the process of drawing the reference straight line and determining the preset vertical line (only the first junction and the second junction need to be determined for determining the preset vertical line), the accuracy of right-angle drawing is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic top view of a measuring scale for construction cost according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a schematic top view of a ruler body according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a ruler body according to an embodiment of the present invention;

fig. 5 is an assembly diagram of a pin body and a rod body according to an embodiment of the present invention;

fig. 6 is a schematic top view of a measuring ruler for engineering cost drawing provided by an embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

1-ruler body; 11-a first straight edge; 12-a second straight edge; 13-a predetermined side surface; 14-blind holes; 21-a pin body; 22-a rod body; 23-a ring body; 3-drawing paper; 31-a first junction; 32-a second junction; 33-a first arc; 34-a second arc; 4-pen; l1-a first distance; l2-a second distance.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that in the description of the embodiments of the present application, "/" indicates an OR meaning unless otherwise stated, for example, A/B may indicate A or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. Wherein, A and B can be singular or plural respectively.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation, and are not to be construed as limiting the 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 to implicitly indicate 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 specifically limited otherwise.

Referring to fig. 1 to fig. 6, a measuring scale for construction cost according to the present invention will now be described. The dipperstick for engineering cost includes: a strip-shaped rectangular ruler body 1, a cylindrical pin body 21, a rod body 22 and a ring body 23 for a pen 4 to pass through; the rule body 1 has a predetermined side surface 13; the predetermined side surface 13 has opposite first and second rectilinear edges 11 and 12; two blind holes 14 are arranged on the predetermined side surface 13; each blind hole 14 is identical, each blind hole 14 is cylindrical, and the axis of each blind hole 14 is perpendicular to the predetermined side surface 13; the distance between the axis of the blind hole 14 and the first straight edge 11 is a first distance L1, and the distance between the axis of the blind hole 14 and the second straight edge 12 is a first distance L1; the outer diameter of the pin body 21 is the same as the inner diameter of the blind hole 14; one end of the pin body 21 is inserted into any blind hole 14, one end of the rod body 22 is connected to the other end of the pin body 21, the ring body 23 is connected to the other end of the rod body 22, and the rod body 22 is positioned between the pin body 21 and the ring body 23; the rod body 22 extends in the radial direction of the pin body 21; assuming that the distance between the axes of the two blind holes 14 is a second distance L2, the length of the rod 22 is greater than or equal to the second distance L2, and the first distance L1 is less than half of the second distance L2.

Thus, the ruler body 1 is in a cuboid shape, and the ruler body 1 is provided with two side surfaces, wherein one side surface is a preset side surface 13; the predetermined side surface 13 has a first straight edge 11 and a second straight edge 12 which are oppositely disposed, the first straight edge 11 and the second straight edge 12 extend in a straight direction, respectively, and the first straight edge 11 and the second straight edge 12 are disposed in parallel; two blind holes 14 (the blind holes 14 are in a cavity shape) are formed in the preset side surface 13, and the blind holes 14 are cylindrical; a cylindrical blind hole 14 having an axis, the axis of the blind hole 14 being disposed perpendicularly to the predetermined side surface 13; the distance between the axis of each blind hole 14 and the first straight edge 11 is a first distance L1, and the distance between the axis of each blind hole 14 and the second straight edge 12 is a first distance L1; one end of the pin body 21 is inserted into any one of the blind holes 14, and the rod body 22 is connected to the other end of the pin body 21; the pin body 21 is cylindrical, and the outer diameter of the pin body 21 is the same as the inner diameter of the blind hole 14, so that the pin body 21 inserted in the blind hole 14 can rotate around the axis of the pin body 21, and the pin body 21 is not easy to shake in the blind hole 14; one end of the rod body 22 is connected to the pin body 21, the other end of the rod body 22 is provided with a ring body 23, and the pen 4 can penetrate through the ring body 23; after the pen 4 is inserted into the ring body 23, when the pen 4 is moved around the pin body 21, an arc with the radius of the distance between the pen 4 and the axis of the pin body 21 can be drawn. When two straight lines are required to be drawn to be vertical, the other side surface, opposite to the preset side surface 13, of the ruler body 1 is attached to the drawing paper 3, and a reference straight line is drawn along the first straight line edge 11 or the second straight line edge 12; 【2】 Inserting the pin body 21 into one of the blind holes 14, penetrating the pen 4 through the ring body 23 and drawing a first arc 33 on the drawing paper 3; 【3】 Inserting the pin body 21 into the other blind hole 14, penetrating the pen 4 through the ring body 23 and drawing a second circular arc 34 on the drawing 3; because the rod body 22 extends along the radial direction of the pin body 21, the distance between the axes of the two blind holes 14 is a second distance L2, the length of the rod body 22 is greater than or equal to the second distance L2, and the first distance L1 is less than half of the second distance L2; so that the first circular arc 33 and the second circular arc 34 can form a first intersection point 31 on the drawing paper 3 outside the first straight edge 11 of the ruler body 1 (about the reason that the first intersection point 31 is positioned on the drawing paper 3 outside the first straight edge 11: [ 1 ] when the radius of the drawing is a second distance L2, the circular arc drawn around the axis of one blind hole 14 is assumed to be the first circular arc 33 (the first center of the first circular arc 33: the intersection point of the axis of the blind hole 14 and the drawing paper 3), the circular arc drawn around the axis of the other blind hole 14 is assumed to be the second circular arc 34 (the second center of the second circular arc 34: the intersection point of the axis of the blind hole 14 and the drawing paper 3), the first circular arc 33 and the second circular arc 34 have a predetermined intersection point, and the predetermined intersection point, the first center and the second center form a regular triangle, the distance between the first center and the second center is the second distance L2, and the distance between the predetermined intersection point and the second center is greater than the half distance L2 of the second center; since the first distance L1 (where the distance between the axis of the blind hole 14 and the first straight edge 11 is the first distance L1, and the distance between the axis of the blind hole 14 and the second straight edge 12 is the first distance L1) is less than half of the second distance L2, the predetermined intersection point is located outside the first straight edge 11, or the predetermined intersection point is located outside the second straight edge 12, [ 2 ] since the predetermined intersection point exists outside the first straight edge 11 or the second straight edge 12 when the radius of the drawing is the second distance L2, if the drawing radius is increased, that is, the drawing radius is greater than the second distance L2 (it should be noted that, since the length of the rod body 22 is greater than or equal to the second distance L2, the rod body 22 extends in the radial direction of the pin body 21, and the rod 22 is located between the pin 21 and the ring 23, so that the radius of the drawing is greater than the second distance L2), the predetermined intersection point will also exist outside the first straight edge 11 or the second straight edge 12); the first circular arc 33 and the second circular arc 34 can form a second junction 32 on the drawing sheet 3 outside the second straight edge 12 of the ruler body 1; the first junction 31 and the second junction 32 are connected through the ruler body 1 to draw a predetermined vertical line, and the predetermined vertical line is arranged perpendicular to the reference straight line; in the process of drawing a reference straight line and determining a predetermined vertical line (only the first junction 31 and the second junction 32 are required to be determined for determining the predetermined vertical line), the ruler body 1 can not move in the process of keeping relative to the drawing 3, and the accuracy of right-angle drawing is improved.

In one embodiment, the pin body 21, the rod body 22, and the ring body 23 are plastic parts.

In one embodiment, the housing of the pen 4 has a circular cross-section, and when the pen 4 is inserted into the ring body 23, the inner wall of the ring body 23 is tightly attached to the outer wall of the pen 4.

In one embodiment, the pen 4 is a ballpoint pen. In one embodiment, the portions of the pen 4 inserted in the ring 23 are: the ink accommodating tube 3 (the ink accommodating tube 3 can refer to the ink accommodating tube 3 in the publication No. CN113043768A and the subject name ballpoint pen refill and ballpoint pen), and the refill is arranged in the ring body 23 in a penetrating way. In one embodiment, the inner diameter of the ring body 23 is the same as the outer diameter of the pen core, and when the pen core is inserted into the ring body 23, the extending direction of the pen core is parallel to the axis of the blind hole 14.

In one embodiment, the blade 1 is a plastic blade.

Further, referring to fig. 1 to 6, as a specific embodiment of the measuring ruler for construction cost of the present invention, the length of the rod 22 is a second distance L2. Therefore, the pen 4 penetrating through the ring body 23 draws a first arc 33 around the axis of one blind hole 14, the pen 4 penetrating through the ring body 23 draws a second arc 34 around the axis of the other blind hole 14, and the first arc 33 and the second arc are provided with a first intersection point 31 and a second intersection point 32 on two sides of the ruler body 1.

Further, referring to fig. 1 to 6, as a specific embodiment of the measuring ruler for construction cost of the present invention, the first distance L1 is less than one third of the second distance L2. Therefore, the pen 4 penetrating through the ring body 23 draws a first arc 33 around the axis of one blind hole 14, the pen 4 penetrating through the ring body 23 draws a second arc 34 around the axis of the other blind hole 14, and the first arc 33 and the second arc are provided with a first junction 31 and a second junction 32 on two sides of the ruler body 1.

Further, referring to fig. 1 to fig. 6, as a specific embodiment of the measuring ruler for engineering cost of the present invention, the first distance L1 is smaller than one fifth of the second distance L2. Therefore, the pen 4 penetrating through the ring body 23 draws a first arc 33 around the axis of one blind hole 14, the pen 4 penetrating through the ring body 23 draws a second arc 34 around the axis of the other blind hole 14, and the first arc 33 and the second arc are provided with a first junction 31 and a second junction 32 on two sides of the ruler body 1.

Further, referring to fig. 1 to fig. 6, as a specific embodiment of the measuring ruler for engineering cost of the present invention, the cross section of the rod body 22 is rectangular. Thus, the processing is simple.

Further, referring to fig. 1 to 6, as an embodiment of the measuring ruler for construction cost of the present invention, the outer surface of the rod 22 abuts against the predetermined side surface 13. In this way, it is convenient to keep the stable surface contact of the rod body 22 and the blade 1.

Further, referring to fig. 1 to 6, as a specific embodiment of the measuring ruler for construction cost according to the present invention, the ring body 23 is a circular ring, and the axis of the circular ring is parallel to the axis of the pin body 21. Thus, the pen 4 is conveniently arranged in the ring body 23 in a penetrating way.

Further, referring to fig. 1 to 6, as a specific embodiment of the measuring ruler for construction cost of the present invention, the cross section of the ring body 23 is circular. Thus, the pen 4 is conveniently arranged in the ring body 23 in a penetrating way.

Further, referring to fig. 1 to 6, as a specific embodiment of the measuring ruler for engineering cost of the present invention, the rod 22 and the pin 21 are an integral component. Thus, the rod body 22 and the pin body 21 are more firmly fixed.

Further, referring to fig. 1 to 6, as a specific embodiment of the measuring ruler for engineering cost of the present invention, the rod 22 and the ring 23 are an integral component. Thus, the rod 22 and the ring 23 are more firmly fixed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a dipperstick for engineering cost which characterized in that includes: the pen comprises a strip-shaped cuboid ruler body, a cylindrical pin body, a rod body and a ring body for a pen to pass through; the ruler body is provided with a preset side surface; the predetermined side surface has opposite first and second linear edges; two blind holes are formed in the preset side surface; the blind holes are identical and cylindrical, and the axis of each blind hole is vertical to the preset side surface; the distance between the axis of the blind hole and the first straight line edge is a first distance, and the distance between the axis of the blind hole and the second straight line edge is the first distance; the outer diameter of the pin body is the same as the inner diameter of the blind hole; one end of the pin body is inserted into any blind hole, one end of the rod body is connected to the other end of the pin body, the ring body is connected to the other end of the rod body, and the rod body is located between the pin body and the ring body; the rod body extends along the radial direction of the pin body; assuming that the distance between the axes of the two blind holes is a second distance, the length of the rod body is greater than or equal to the second distance, and the first distance is smaller than half of the second distance.

2. The construction cost measurement scale according to claim 1, wherein the length of the rod body is the second distance.

3. The construction cost measurement scale of claim 2, wherein the first distance is less than one third of the second distance.

4. The construction cost measurement scale of claim 3, wherein said first distance is less than one fifth of said second distance.

5. The construction cost measurement scale according to claim 1, wherein the cross section of the rod body is rectangular.

6. The construction cost measurement scale according to claim 1, wherein an outer surface of the shank abuts against the predetermined side surface.

7. The construction cost measuring scale according to claim 1, wherein the ring body is a circular ring, and an axis of the circular ring is parallel to an axis of the pin body.

8. The construction cost measurement scale according to claim 7, wherein the ring body has a circular cross-section.

9. The construction cost measurement scale according to claim 1, wherein the shank and the pin are one piece.

10. The construction cost measurement scale according to claim 1, wherein the rod body and the ring body are an integral piece.

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