CN217759864U - Rectangle structural unit of square pipe support and special square pipe joint thereof - Google Patents
Rectangle structural unit of square pipe support and special square pipe joint thereof Download PDFInfo
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- CN217759864U CN217759864U CN202221461551.4U CN202221461551U CN217759864U CN 217759864 U CN217759864 U CN 217759864U CN 202221461551 U CN202221461551 U CN 202221461551U CN 217759864 U CN217759864 U CN 217759864U
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Abstract
The utility model provides a square pipe support's rectangle constitutional unit and special side union coupling thereof relates to fastening or fixed component technical field, and it is big that the joint kind that mainly solves on the market too numerous and diverse causes to have the fit clearance in the in-service use easily, and the precision is low, and intensity is not high, problem that the commonality is not high. The steel pipe comprises a structural unit consisting of a vertical square steel pipe (1), a horizontal square steel pipe (2) and corresponding special square pipe joints; the lower ends of the two vertical square steel pipes (1) are respectively connected with the support joints (3), the upper ends of the two vertical square steel pipes are respectively and vertically connected with the two ends of one horizontal square steel pipe (2) through two first joints (4), and the two ends of the other horizontal square steel pipe (2) are respectively and vertically connected with the vertical square steel pipes (1) on the two sides through two second joints (5). But this application constitutional unit fast assembly, special joint simple structure, reasonable in size, intensity is high, convenient to use, factor of safety is high.
Description
Technical Field
The utility model relates to a fastening or fixed component technical field, concretely relates to square pipe support's rectangle constitutional unit and special side union of pipe thereof.
Background
The square steel pipe is a common pipe, the cross section of the common pipe is rectangular or square, the common pipe is respectively called as a square steel pipe and a rectangular steel pipe, and the common square steel pipe has wide application. In the building field, a square steel pipe is often used as a bearing and supporting member, and a plurality of square steel pipes are assembled and connected to form an integral bearing and supporting structure; in the industrial product manufacturing process, it is often necessary to connect two or more square pipes.
At present, one of the common connecting methods of square steel pipes is welding, namely a plurality of square tubular beams are welded together, but a plurality of components are welded together, which is time-consuming and labor-consuming, and the components are fixedly connected with each other and can not be disassembled, and when the square tubular beams are damaged or need to be replaced by square tubular beams of other models, the square tubular beams are not easy to replace. The other type is that a specific square pipe joint is adopted for splicing, but the existing square pipe joints have various types and specifications, for example, CN 113389782A-a square pipe connecting structure, CN 114087265A-square pipe joint, CN 113513081A-a square pipe connecting head structure and supporting mechanism, CN 109025245A-a square pipe scaffold joint and square pipe scaffold, the disclosed joints have the characteristics and are different from each other; however, both the square steel pipe and the rectangular steel pipe are general products specified by the national standard, and the problems of large fit clearance, low precision, low strength and low universality in the actual use process are easily caused by excessively complicated joint types in the market.
Disclosure of Invention
For solving the problem that exists among the background art, realize the standardization and the scale production of general square steel pipe joint, guarantee in the use square steel pipe accurate with the cooperation that connects, intensity is enough, convenient to use, the utility model provides a square pipe support's rectangle constitutional unit and special square pipe joint thereof.
In order to achieve the above purpose, the present invention adopts the following technical solution, a rectangular structural unit of a square tube support is characterized by comprising two vertical square steel tubes 1, two horizontal square steel tubes 2 and corresponding special square tube joints, wherein the two vertical square steel tubes 1, the two horizontal square steel tubes 2 and the special square tube joints have the same cross-sectional shape and size, and the vertical square steel tubes 1, the horizontal square steel tubes 2 and the special square tube joints are all located in the same horizontal plane; the lengths of the vertical square steel pipe 1 and the horizontal square steel pipe 2 are standard values, or specific lengths are selected according to requirements.
The lower ends of the two vertical square steel pipes 1 are respectively connected with the support joints 3, the upper ends of the two vertical square steel pipes are respectively and vertically connected with the two ends of one horizontal square steel pipe 2 through two first joints 4, the two ends of the other horizontal square steel pipe 2 are respectively and vertically connected with the vertical square steel pipes 1 on the two sides through two second joints 5, and the connecting position is located above the support joints 3.
The support joint 3 comprises an oval base 6 and a bearing section 7, the bottom surface of the oval base 6 is flat and provided with anti-skid concave-convex grooves, the front surface of the oval base 6 is in arc transition and is fixed with the bearing section 7 at the geometric center part, the outer surface bending part of the bearing section 7 is provided with an outer arc chamfer with the radius of R, the top surface of the bearing section 7 is provided with a rectangular hole 8, the rectangular hole 8 extends downwards to the front surface of the oval base 6, the bending part of the rectangular hole 8 is also provided with an inner arc chamfer with the radius of R, and the radius R of the inner arc chamfer is larger than the radius R of the outer arc chamfer; in addition, two circular through holes 9 with the axes perpendicular to the rectangular holes 8 on the bearing section 7 are formed in the front or the back of the bearing section 7, spiral threads are arranged on the inner wall of each circular through hole 9, and a locking bolt 10 is installed to fix the square steel pipe inserted into the rectangular holes 8; the outer circumference of the circular through hole 9 is provided with a raised circular truncated cone, and the height of the raised circular truncated cone is consistent with the thickness of the hole wall of the bearing section 7.
The first connector 4 comprises two bearing sections 7 which are vertically connected with each other, rectangular holes 8 are formed in the end faces of the two bearing sections 7, and the two rectangular holes 8 are also vertical to each other and are communicated with each other; according to the orientation of the first connector 4 in a working state, a circular through hole 9 with spiral threads arranged on the inner wall is arranged at the position, close to the port, of each receiving section 7 on the front side or the back side of the first connector, and a convex circular truncated cone is also arranged on the outer circumference of the circular through hole 9.
The second connector 5 is integrally in a triangular shape and respectively comprises two lower bearing sections 7 which are oppositely arranged and a bearing section 7 which is vertically connected with the middle part of the two lower bearing sections 7, the end surface of each bearing section 7 is provided with a rectangular hole 8, and the three rectangular holes 8 are also arranged according to the structure of the outer bearing section 7 and are mutually communicated; in addition, the same position of the same side of the three bearing sections 7, namely the position of each bearing section 7 close to the port, is provided with a circular through hole 9 with spiral threads on the inner wall, and the outer circumference of the circular through hole 9 is also provided with a raised circular truncated cone.
The side lengths of the outer sides of the cross sections of rectangular holes 8 formed in the top surfaces of the bearing sections 7 of the support joint 3, the first joint 4 and the second joint 5 are A and B, wherein A is not less than B, and B is not less than 35mm and not more than 62mm.
The overall height h of the bearing section 7 and the oval base 6 on the support joint 3 is in a direct proportion relation with the cross-sectional outer side length A, B of the rectangular hole 8, h = 2.5A-3.0A or h =3.0B, and when a = B, h =3.0A or 3.0B.
And closed annular bulges 11 pointing to the inside of the rectangular hole 8 are arranged at the port positions of the inner walls of the bearing sections 7 on the support joint 3, the first joint 4 and the second joint 5.
And closed annular bulges 11 pointing to the insides of the rectangular holes 8 are also arranged at the middle parts of the two circular through holes 9 which are arranged in the same direction on the inner walls of the bearing sections 7 of the support joint 3 and the second joint 5.
Above-mentioned annular protrusion 11 can be fixed the square steel pipe of male, because for the convenience of installation, its size is slightly greater than square steel pipe when rectangular hole 8 sets up, and this just leads to having certain clearance between steel pipe and the rectangular hole 8, can appear rocking in the use, and the rocking of steel pipe can effectively be eliminated in the setting of two annular protrusion 11.
The oval base 6 of the support joint 3 is provided with a water outlet 12, and the size of the water outlet 12 is smaller than the size of an inner hole of the vertical square steel pipe 1.
In order to improve the installation stability of the square steel pipe and the special joint, fasteners 13 of the square steel pipe are respectively arranged at the bottoms of the rectangular holes 8 on the bearing sections 7 of the special joints, namely the support joint 3, the first joint 4 and the second joint 5, the fasteners 13 are of hollow quadrangular frustum structures, four side edges of the lower end of each fastener are respectively fixed on four inner walls of the rectangular holes 8, an upper platform of each fastener 13 is square, the area of each upper platform is smaller than the cross-sectional area of an inner hole of the square steel pipe, and the square steel pipe can be conveniently sleeved in the square steel pipe; the upper platform of the fastening piece 13 is connected with the lower end in an inclined surface transition way, the section area is gradually increased, the section area of the lowermost end is consistent with the section area of the inner hole of the square steel pipe, and the height of the fastening piece 13 is 1/3-1/2 of the length of the bearing section 7.
The structural unit composed of the square steel pipe and the special joint can be used as a basic structural unit of the square pipe support, and the structural unit can be directly adopted for assembly when the support is installed according to specific requirements.
Advantageous effects
The standard square steel pipes are connected through the special joints to form the rectangular structural units, so that the standard square steel pipes can be quickly assembled when the standard support is installed, and the efficiency is improved; in this application constitutional unit in, the special joint simple structure, the size that adopt are reasonable, intensity is high, and it is convenient quick to use to inseparable, accurate with the combination of direction steel pipe, through setting up multilevel structure, including cyclic annular arch 11, circular through-hole 9, fastener 13 in addition, can not appear becoming flexible or rocking after the at utmost assurance direction steel pipe installation, factor of safety is high.
Drawings
FIG. 1 is a schematic diagram of a rectangular building block according to the present application.
Fig. 2 is a schematic structural view of the support joint.
Fig. 3 is a cut-away view of the abutment joint.
Fig. 4 is a schematic structural diagram of the first connector.
Fig. 5 is a cut-away view of the first joint.
FIG. 6 is a schematic structural diagram of the second connector.
Fig. 7 is a sectional view of the second joint.
FIG. 8 is a schematic view of the combination of the second joint and the square steel pipe.
In the figure, a vertical square steel pipe 1, a horizontal square steel pipe 2, a support joint 3, a first joint 4, a second joint 5, an oval base 6, a bearing section 7, a rectangular hole 8, a circular through hole 9, a locking bolt 10, an annular bulge 11, a water outlet 12 and a fastener 13.
Detailed Description
The technical scheme of the application is further explained by combining the drawings in the specification.
Example 1
As shown in fig. 1, 2, 4 and 6, a rectangular structural unit of a square tube support is composed of two vertical square steel tubes 1, two horizontal square steel tubes 2 and corresponding special square tube joints, wherein the cross-sectional shapes and the sizes of the two vertical square steel tubes 1 and the two horizontal square steel tubes 2 are the same, and the vertical square steel tubes 1, the horizontal square steel tubes 2 and the special square tube joints are all located in the same horizontal plane; the lengths of the vertical square steel pipe 1 and the horizontal square steel pipe 2 are standard values, and the sections of the vertical square steel pipe and the horizontal square steel pipe are square;
the lower ends of the two vertical square steel pipes 1 are respectively connected with the support joints 3, the upper ends of the two vertical square steel pipes are respectively and vertically connected with the two ends of one horizontal square steel pipe 2 through two first joints 4, the two ends of the other horizontal square steel pipe 2 are respectively and vertically connected with the vertical square steel pipes 1 on the two sides through two second joints 5, and the connecting parts are located above the support joints 3.
The support joint 3 comprises an oval base 6 and a bearing section 7, the bottom surface of the oval base 6 is flat and provided with anti-skid concave-convex grooves, the front surface of the oval base 6 is in arc transition and is fixed with the bearing section 7 at the geometric center part, the outer surface bending part of the bearing section 7 is provided with an outer arc chamfer with the radius of R, the top surface of the bearing section 7 is provided with a rectangular hole 8, the rectangular hole 8 extends downwards to the front surface of the oval base 6, the bending part of the rectangular hole 8 is also provided with an inner arc chamfer with the radius of R, and the radius R of the inner arc chamfer is larger than the radius R of the outer arc chamfer; in addition, two circular through holes 9 with the axes perpendicular to the rectangular holes 8 on the bearing section 7 are formed in the front or the back of the bearing section 7, spiral threads are arranged on the inner wall of each circular through hole 9, and a locking bolt 10 is installed to fix the square steel pipe inserted into the rectangular holes 8; the outer circumference of the circular through hole 9 is provided with a raised circular truncated cone, and the raised height of the circular truncated cone is consistent with the thickness of the hole wall of the bearing section 7; the oval base 6 of the support joint 3 is provided with a water outlet 12, and the size of the water outlet 12 is smaller than the size of an inner hole of the vertical square steel pipe 1.
The first connector 4 comprises two bearing sections 7 which are vertically connected with each other, rectangular holes 8 are formed in the end faces of the two bearing sections 7, and the two rectangular holes 8 are also vertical to each other and are communicated with each other; according to the orientation of the first connector 4 in a working state, a circular through hole 9 with spiral threads arranged on the inner wall is arranged at the position, close to the port, of each receiving section 7 on the front side or the back side of the first connector, and a convex circular truncated cone is also arranged on the outer circumference of the circular through hole 9.
The second connector 5 is integrally in a triangular shape and respectively comprises two lower bearing sections 7 which are oppositely arranged and a bearing section 7 which is vertically connected with the middle part of the two lower bearing sections 7, the end surface of each bearing section 7 is provided with a rectangular hole 8, and the three rectangular holes 8 are also arranged according to the structure of the outer bearing section 7 and are mutually communicated; in addition, the same position of the same side of the three bearing sections 7, namely the position of each bearing section 7 close to the port, is provided with a circular through hole 9 with spiral threads on the inner wall, and the outer circumference of the circular through hole 9 is also provided with a raised circular truncated cone.
Example 2
As shown in fig. 1 to 7, the rectangular structural unit of the square tube bracket of the present embodiment is substantially the same as that of embodiment 1, except that: closed annular bulges 11 pointing to the inside of the rectangular hole 8 are arranged at the port positions of the inner walls of the bearing sections 7 on the support joint 3, the first joint 4 and the second joint 5; a closed annular bulge 11 pointing to the inside of the rectangular hole 8 is also arranged at the middle part of the two circular through holes 9 arranged in the same direction on the inner walls of the bearing sections 7 of the support joint 3 and the second joint 5, and the height of the annular bulge 11 is 2mm; above-mentioned annular protrusion 11 can be fixed the square steel pipe of male, because for the convenience of installation, its size is slightly greater than square steel pipe when rectangular hole 8 sets up, and this just leads to having certain clearance between steel pipe and the rectangular hole 8, can appear rocking in the use, and the rocking of steel pipe can effectively be eliminated in the setting of two annular protrusion 11.
In addition, in order to improve the installation stability of the square steel pipe and the special joint, fasteners 13 of the square steel pipe are respectively arranged at the bottoms of the rectangular holes 8 on the bearing sections 7 of the special joints, namely the support joint 3, the first joint 4 and the second joint 5, the fasteners 13 are of hollow quadrangular frustum structures, four side edges of the lower end of each fastener are respectively fixed on four inner walls of the rectangular holes 8, an upper platform of each fastener 13 is square, the area of each upper platform is smaller than the cross-sectional area of an inner hole of the square steel pipe, and the square steel pipe can be conveniently sleeved in the square steel pipe; the upper platform of the fastening piece 13 is connected with the lower end in an inclined surface transition way, the section area is gradually increased, the section area of the lowermost end is consistent with the section area of the inner hole of the square steel pipe, and the height of the fastening piece 13 is 1/3 of the length of the bearing section 7.
Claims (10)
1. The rectangular structural unit of the square pipe support is characterized by comprising two vertical square steel pipes (1) with the same cross section shape and size, two horizontal square steel pipes (2) and corresponding special square pipe joints, wherein the vertical square steel pipes (1), the horizontal square steel pipes (2) and the special square pipe joints are all positioned in the same horizontal plane; the lengths of the vertical square steel pipe (1) and the horizontal square steel pipe (2) are standard values, or specific lengths are selected according to requirements;
the lower ends of the two vertical square steel pipes (1) are respectively connected with the support joints (3), the upper ends of the two vertical square steel pipes are respectively and vertically connected with the two ends of one horizontal square steel pipe (2) through two first joints (4), the two ends of the other horizontal square steel pipe (2) are respectively and vertically connected with the vertical square steel pipes (1) on the two sides through two joints (5), and the connecting parts are located above the support joints (3).
2. The rectangular structural unit of a square pipe bracket according to claim 1, wherein the support joint (3) comprises an oval base (6) and a bearing section (7), the bottom surface of the oval base (6) is flat and provided with anti-slip concave-convex grooves, the front surface of the oval base is in arc transition and fixed with the bearing section (7) at the geometric center, the outer bent part of the bearing section (7) is provided with an outer arc chamfer with radius R, the top surface of the bearing section (7) is provided with a rectangular hole (8), the rectangular hole (8) extends downwards to the front surface of the oval base (6), the bent part of the rectangular hole (8) is also provided with an inner arc chamfer with radius R, and the radius R of the inner arc chamfer is larger than the radius R of the outer arc chamfer; in addition, two circular through holes (9) with the axes perpendicular to the rectangular holes (8) in the bearing section (7) are formed in the front or the back of the bearing section (7), spiral threads are arranged on the inner walls of the circular through holes (9), and the square steel pipes inserted into the rectangular holes (8) are fixed by installing locking bolts (10); the outer circumference of the circular through hole (9) is provided with a raised circular truncated cone, and the height of the raised circular truncated cone is consistent with the thickness of the hole wall of the bearing section (7);
the first connector (4) comprises two bearing sections (7) which are vertically connected with each other, rectangular holes (8) are formed in the end faces of the two bearing sections (7), and the two rectangular holes (8) are also vertical to each other and communicated with each other; according to the position of the first connector (4) in a working state, a circular through hole (9) with spiral threads arranged on the inner wall is formed in the front side or the back side of each bearing section (7) close to the port, and a raised circular truncated cone is also arranged on the outer circumference of the circular through hole (9);
the second connector (5) is integrally in a triangular shape and respectively comprises two lower bearing sections (7) which are oppositely arranged and a bearing section (7) which is vertically connected with the middle part of the two lower bearing sections (7), a rectangular hole (8) is formed in the end face of each bearing section (7), and the three rectangular holes (8) are also arranged according to the structure of the outer bearing section (7) and are communicated with each other; in addition, the same position of the same side of the three bearing sections (7), namely the position of each bearing section (7) close to the port, is provided with a circular through hole (9) with spiral threads on the inner wall, and the outer circumference of the circular through hole (9) is also provided with a raised circular truncated cone.
3. The rectangular structural unit of the square tube support according to claim 2, wherein the length of the outer side of the cross section of the rectangular hole (8) formed in the top surface of the bearing section (7) on the support joint (3), the first joint (4) and the second joint (5) is A and B, A is not less than B, and B is not less than 35mm and not more than A and not more than 62mm.
4. The rectangular structural unit of a square pipe support according to claim 2, characterized in that the overall height h of the receiving section (7) and the oval base (6) on the support joint (3) is proportional to the cross-sectional outer side length A, B of the rectangular hole (8) thereon, h = 2.5A-3.0A or h =3.0B, and when a = B, h =3.0A or 3.0B.
5. The rectangular structural unit of a square pipe support according to any one of claims 2, 3 and 4, characterized in that the port positions of the inner walls of the bearing sections (7) on the support joint (3), the first joint (4) and the second joint (5) are provided with closed annular protrusions (11) pointing to the inside of the rectangular holes (8).
6. The rectangular structural unit of a square pipe support according to any of claims 2, 3 and 4, characterized in that the inner walls of the bearing sections (7) of the support joint (3) and the second joint (5) are also provided with a closed annular projection (11) pointing to the inside of the rectangular hole (8) at the middle part of two circular through holes (9) arranged in the same direction.
7. The rectangular structural unit of a square pipe bracket according to claim 5, wherein the ring-shaped protrusion (11) fixes the inserted square steel pipe.
8. The rectangular structural unit of a square pipe bracket according to claim 6, wherein the ring-shaped protrusion (11) fixes the inserted square steel pipe.
9. The rectangular structural unit of a square tube support according to claim 2, characterized in that the oval base (6) of the support joint (3) is provided with a water outlet (12), and the size of the water outlet (12) is smaller than the size of the inner hole of the vertical square steel tube (1).
10. The rectangular structural unit of the square pipe bracket according to claim 2, characterized in that fasteners (13) of square steel pipes are respectively arranged at the bottoms of the rectangular holes (8) on the bearing sections (7) of the special joints, namely the support joint (3), the first joint (4) and the second joint (5), the fasteners (13) are of hollow quadrangular frustum structures, four side edges of the lower end of each fastener are respectively fixed on four inner walls of the rectangular holes (8), an upper platform of each fastener (13) is square, the area of each upper platform is smaller than the cross-sectional area of an inner hole of each square steel pipe, and the square steel pipes can be conveniently sleeved in the square pipe brackets; the upper platform of the fastening piece (13) is connected with the lower end in an inclined surface transition way, the section area is gradually increased, the section area of the lowermost end is consistent with the section area of the inner hole of the square steel pipe, and the height of the fastening piece (13) is 1/3-1/2 of the length of the bearing section (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221461551.4U CN217759864U (en) | 2022-06-13 | 2022-06-13 | Rectangle structural unit of square pipe support and special square pipe joint thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221461551.4U CN217759864U (en) | 2022-06-13 | 2022-06-13 | Rectangle structural unit of square pipe support and special square pipe joint thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217759864U true CN217759864U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221461551.4U Active CN217759864U (en) | 2022-06-13 | 2022-06-13 | Rectangle structural unit of square pipe support and special square pipe joint thereof |
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| Country | Link |
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| CN (1) | CN217759864U (en) |
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2022
- 2022-06-13 CN CN202221461551.4U patent/CN217759864U/en active Active
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