Square pipe bending marking positioning rule
By designing a square pipe bending marking positioning ruler, and quickly drawing cutting lines using triangle plates and second connecting rods, the problems of complex calculation and difficult standardization in the square pipe bending process are solved, and bending efficiency and product standardization are improved. degree.
Patent Information
- Application Number
- CN202421278172.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-29
AI Technical Summary
In the bending process of square pipes, processes such as arc right-angle bending require complex calculations, measurements, lofting and marking, resulting in low efficiency and difficult to standardize products.
A square pipe bending marking positioning ruler is designed, including the first connecting rod, the second connecting rod and the triangle plate. Vertical lines are drawn through the triangle plate and arc lines are drawn by the second connecting rod. It is used in combination to quickly square. Draw the cutting line on the tube.
Improve the efficiency and quality of pipe bending and enhance the standardization of the product.
Smart Images

Figure CN222450288U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rulers, in particular to a square pipe bending, marking and positioning ruler. Background Art
[0002] Bending is a common production process in the actual application scenarios of various square tubes. In traditional bending applications, when it comes to common processes such as arc right-angle bending, it usually requires complex calculations, measurements, layout, marking and other steps, which is not only inefficient, but also produces different errors each time, making it difficult to standardize products. Utility Model Content
[0003] The utility model aims to provide a square pipe bending marking and positioning ruler to solve the problems raised in the above-mentioned background technology.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a square tube bending marking positioning ruler, comprising a first connecting rod, a first scale is arranged on the first connecting rod, a second connecting rod is hinged at one end of the first connecting rod, a second scale is arranged on the second connecting rod, a through hole is arranged on one side of the second scale, and the other end of the first connecting rod is fixedly connected to a triangle plate, and a third scale is arranged on the triangle plate.
[0005] Preferably, a first mounting hole is formed at one end of the first connecting rod, and a third mounting hole is formed at one end of the second connecting rod at a position corresponding to the first mounting hole.
[0006] Preferably, a first rivet is installed in the third mounting hole, and the first rivet is hinged in the first mounting hole.
[0007] Preferably, a groove is formed at the other end of the first connecting rod, and the triangular plate is fixedly connected in the groove.
[0008] Preferably, two second mounting holes are provided in the groove, and a fourth mounting hole is provided on the triangular plate at a position corresponding to the second mounting holes.
[0009] Preferably, a second rivet is installed in the fourth mounting hole, and the second rivet is installed in the second mounting hole.
[0010] The utility model provides a square tube bending marking and positioning ruler, which has the advantages that: by installing a triangle plate and a second connecting rod on the first connecting rod, the triangle plate can be used to draw a line segment perpendicular to the first connecting rod, and the second connecting rod can be used to draw an arc line. The combination of the two can quickly draw the cutting line required for tube bending on the square tube, thereby greatly improving the tube bending efficiency and quality and improving the standardization of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0013] Figure 2 It is an exploded view of the overall three-dimensional structure of the utility model;
[0014] Figure 3 It is a schematic diagram of the overall main structure of the utility model.
[0015] In the figure: 1, first connecting rod; 11, first scale; 12, first mounting hole; 13, first rivet; 14, groove; 15, second mounting hole; 16, second rivet; 2, second connecting rod; 21, third mounting hole; 22, through hole; 23, second scale; 3, triangle plate; 31, fourth mounting hole; 32, third scale. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-3The utility model provides an embodiment: a square tube bending marking positioning ruler, comprising a first connecting rod 1, a first scale 11 is arranged on the first connecting rod 1, a second connecting rod 2 is hinged at one end of the first connecting rod 1, a second scale 23 is arranged on the second connecting rod 2, a through hole 22 is arranged on one side of the second scale 23, a triangle plate 3 is fixedly connected to the other end of the first connecting rod 1, a third scale 32 is arranged on the triangle plate 3, the first connecting rod 1 and the triangle plate 3 are used to draw straight lines, the second connecting rod 2 is used to draw arcs, and the first scale 11, the second scale 23 and the third scale 32 are used to assist in drawing lines; a first mounting hole 12 is opened at one end of the first connecting rod 1, and a third mounting hole 21 is opened at one end of the second connecting rod 2 at a position corresponding to the first mounting hole 12; a first Rivet 13, and the first rivet 13 is hinged in the first mounting hole 12, the first mounting hole 12 and the third mounting hole 21 are used to install the first rivet 13, and the first rivet 13 is used to realize the hinge of the first connecting rod 1 and the second connecting rod 2; a groove 14 is provided at the other end of the first connecting rod 1, and the triangular plate 3 is fixedly connected in the groove 14, and the groove 14 is used to place the triangular plate 3; two second mounting holes 15 are provided in the groove 14, and a fourth mounting hole 31 is provided on the triangular plate 3 at a position corresponding to the second mounting hole 15; a second rivet 16 is installed in the fourth mounting hole 31, and the second rivet 16 is installed in the second mounting hole 15, the second mounting hole 15 and the fourth mounting hole 31 are used to install the second rivet 16, and the two second rivets 16 are used to fix the triangular plate 3 in the groove 14.
[0018] Working principle: When using the utility model to draw a circular arc right angle on a square tube, first fit the first connecting rod 1 to the side of the square tube, so that the triangle plate 3 is placed on the surface to be drawn, use a marking pen to draw a straight line perpendicular to the first connecting rod 1 on the surface along the triangle plate 3, and write down the length of the straight line, then turn the device head to head and tail to make the first rivet 13 at one end of the straight line, select the second scale 23 according to the length of the straight line, insert the pen tip into the corresponding through hole 22, move the marking pen, and the pen tip drives the second connecting rod 2 to deflect, draw an arc on the surface, and the end point of the arc falls on the end point of the straight line, and then according to the length of the arc, use the first scale 11 to mark the cutting point on one side of the starting point of the arc, so that the distance from the cutting point to the first rivet 13 is equal to the length of the arc, and then move the first connecting rod 1, take the cutting point as the starting point, and use the triangle plate 12 to mark the cutting point on the side of the starting point of the arc. The plate 3 makes a cutting straight line perpendicular to the first connecting rod 1, and the first connecting rod 1 is moved to the surface to be drawn, so that the triangle plate 3 fits the side of the square tube, and the triangle plate 3 is used to make the extension lines of the cutting point and the starting point of the arc on the side of the square tube. The two extension lines are perpendicular to the first connecting rod 1. According to the above-mentioned operation method, the corresponding arc and cutting straight line are drawn on the other surface of the square tube to be drawn. The two extension lines, the arc and the cutting straight line constitute the cutting surface. The cutting surface is cut off, and only the surface of the square tube without drawing lines is retained, so that the square tube can be bent; wherein, the first mounting hole 12 and the third mounting hole 21 are used to install the first rivet 13, the groove 14 is used to place the triangle plate 3, the second mounting hole 15 and the fourth mounting hole 31 are used to install the second rivet 16, and the first scale 11, the second scale 23 and the third scale 32 are used to assist in drawing lines.
[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.
[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A square tube bending and marking positioning ruler, comprising a first connecting rod (1), characterized in that: The first connecting rod (1) is provided with a first scale (11), one end of the first connecting rod (1) is hingedly connected to the second connecting rod (2), the second connecting rod (2) is provided with a second scale (23), one side of the second scale (23) is provided with a through hole (22), the other end of the first connecting rod (1) is fixedly connected to a triangular plate (3), and the triangular plate (3) is provided with a third scale (32).
2. A square tube bending marking and positioning ruler according to claim 1, characterized in that: A first mounting hole (12) is formed at one end of the first connecting rod (1), and a third mounting hole (21) is formed at one end of the second connecting rod (2) at a position corresponding to the first mounting hole (12).
3. A square tube bending marking and positioning ruler according to claim 2, characterized in that: A first rivet (13) is installed in the third installation hole (21), and the first rivet (13) is hinged in the first installation hole (12).
4. A square tube bending marking and positioning ruler according to claim 1, characterized in that: The other end of the first connecting rod (1) is provided with a groove (14), and the triangular plate (3) is fixedly connected in the groove (14).
5. A square tube bending marking and positioning ruler according to claim 4, characterized in that: Two second mounting holes (15) are provided in the groove (14), and a fourth mounting hole (31) is provided on the triangular plate (3) at a position corresponding to the second mounting holes (15).
6. A square tube bending marking and positioning ruler according to claim 5, characterized in that: A second rivet (16) is installed in the fourth mounting hole (31), and the second rivet (16) is installed in the second mounting hole (15).