CN217518090U

CN217518090U - Square tube support's quadrangular structure unit and special square tube connects thereof

Info

Publication number: CN217518090U
Application number: CN202221461554.8U
Authority: CN
Inventors: 李晓东; 李桂华; 马宏昌; 赵雄伟; 王建团; 旃立兢; 王鑫; 胡永义
Original assignee: Yunnan Yunhai Magang Co ltd
Current assignee: Yunnan Yunhai Magang Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-30
Anticipated expiration: 2032-06-13

Abstract

The utility model provides a quadrangular structure unit of a square tube bracket and a special square tube joint thereof, relating to the technical field of fastening or fixing components, which consists of four vertical square steel tubes (1) with the same cross section shape and size, eight horizontal square steel tubes (2) and corresponding special square tube joints; every four horizontal square steel pipes form a rectangle in the same horizontal plane and are divided into an upper layer horizontal steel pipe and a lower layer horizontal steel pipe; the lower ends of the four vertical square steel pipes (1) are respectively connected with the support joints (3), the upper ends of the four vertical square steel pipes are respectively and vertically connected with the right-angle end of the upper horizontal steel pipe through the first joint (4), the right-angle end of the lower horizontal square steel pipe (2) is respectively and vertically connected with the vertical square steel pipes (1) through the second joint (5), and the connecting position is located above the support joints (3). 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

Square tube support's quadrangular structure unit and special square tube connects thereof

Technical Field

The utility model relates to a fastening or fixed component technical field, concretely relates to square pipe support's quadrangular structural unit and special square pipe head 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 to adopt a specific square pipe joint for splicing, but the existing square pipe joints have various types and specifications, such as CN 113389782A-a square pipe connecting structure, CN 114087265A-a square pipe joint, CN 113513081A-a square pipe connecting head structure and a supporting mechanism, CN 109025245A-a square pipe scaffold joint and a square pipe scaffold, and 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 quadrangular structural unit and special square pipe joint thereof.

In order to achieve the purpose, the utility model adopts the following technical proposal that the quadrangular structural unit of the square tube bracket is characterized in that,

the steel tube comprises four vertical square steel tubes 1 with the same cross section shape and size, eight horizontal square steel tubes 2 and corresponding special square tube joints; every four horizontal square steel pipes form a rectangle in the same horizontal plane and are divided into an upper layer horizontal steel pipe and a lower layer horizontal steel pipe; 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 four vertical square steel pipes 1 are respectively connected with the support joints 3, the upper ends of the four vertical square steel pipes are respectively and vertically connected with the right-angle end of the upper-layer horizontal steel pipe through a first joint 4, the right-angle end of the lower-layer horizontal square steel pipe 2 is respectively and vertically connected with the vertical square steel pipes 1 through a second joint 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-skidding concave-convex grooves, the front surface of the oval base is in arc transition and is fixed with the bearing section 7 at the geometric center position, an outer arc chamfer with the radius of R is arranged at the outer surface bending position of the bearing section 7, a rectangular hole 8 is formed in the top surface of the bearing section 7, the rectangular hole 8 extends downwards to the front surface of the oval base 6, an inner arc chamfer with the radius of R is also arranged at the bending position of the rectangular hole 8, 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 three bearing sections 7 which are vertically connected with each other and are respectively positioned on the X coordinate axis, the Y coordinate axis in the forward direction and the Z coordinate axis in the reverse direction, and rectangular holes 8 which are vertical to each other and are communicated are formed in the end faces of the three bearing sections 7; according to the position of the bearing in the working state, the positions, close to the ports, on the lower side surfaces of the two bearing sections 7 in the X coordinate axis direction and the Y coordinate axis direction are provided with circular through holes 9 with spiral threads, and the outer circumferences of the circular through holes 9 are provided with convex circular truncated cones; the inner side surfaces of the bearing sections 7 on the opposite Z coordinate axis are provided with the same circular through holes 9, and the vertical projection positions of the rectangular holes 8 on the Z coordinate axis on the side walls of the other two bearing sections 7 are sealed.

The integral structure of the second connector 5 is similar to that of the first connector 4, the second connector comprises three bearing sections 7 which are vertically connected with each other and are respectively positioned on the X coordinate axis, the Y coordinate axis in the forward direction and the Z coordinate axis in the reverse direction, and rectangular holes 8 which are vertical to each other and are communicated are formed in the end faces of the three bearing sections 7; according to the position of the bearing in the working state, the positions, close to the ports, on the lower side surfaces of the two bearing sections 7 in the X coordinate axis direction and the Y coordinate axis direction are provided with circular through holes 9 with spiral threads, and the outer circumferences of the circular through holes 9 are provided with convex circular truncated cones; the same circular through hole 9 is formed in the inner side face of the bearing section 7 on the Z coordinate axis in the reverse direction, the vertical projection positions of the rectangular holes 8 in the Z coordinate axis on the side walls of the other two bearing sections 7 are provided with open holes, and the steel pipe in the vertical direction penetrates through the rectangular holes 8 and penetrates out of the open holes.

Preferably, 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, wherein A is larger than or equal to B, and B is larger than or equal to 35mm and smaller than or equal to A and smaller than or equal to 62 mm.

Preferably, the overall height h of the receiving portion 7 and the oval base 6 of the seat adapter 3 is proportional to the length A, B of the cross-sectional outer side of the rectangular hole 8, h = 2.5A-3.0A or h =3.0B, and when a = B, h =3.0A or 3.0B.

Preferably, 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; 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.

Preferably, 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 pipe 1.

Preferably, the special joints, namely the support joint 3, the first joint 4 and the second joint 5 are respectively provided with a fastener 13 of a square steel pipe at the bottom of the rectangular hole 8 on each bearing section 7, the fastener 13 is of a hollow quadrangular frustum structure, four side edges of the lower end of the fastener are respectively fixed on four inner walls of the rectangular hole 8, an upper platform of the fastener 13 is square, the area of the upper platform is smaller than the cross section 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 fastener 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 fastener 13 is 1/3-1/2 of the length of the receiving section 7.

Advantageous effects

According to the square steel tube support, the standard square steel tubes are connected into the quadrangular structure unit through the special joints, so that the square steel tubes can be quickly assembled when the standard support is installed, and the efficiency is improved; in this application the 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 closely, 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 guarantees the 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 pedestal 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.

In the figure, a rectangular 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 quadrangular structure unit of a square tube support is composed of four vertical square steel tubes 1 with the same cross section shape and size, eight horizontal square steel tubes 2 and corresponding special square tube joints; every four horizontal square steel pipes form a rectangle in the same horizontal plane and are divided into an upper layer horizontal steel pipe and a lower layer horizontal steel pipe; 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 four vertical square steel pipes 1 are respectively connected with the support joints 3, the upper ends of the four vertical square steel pipes are respectively and vertically connected with the right-angle end of the upper-layer horizontal steel pipe through a first joint 4, the right-angle end of the lower-layer horizontal square steel pipe 2 is respectively and vertically connected with the vertical square steel pipes 1 through a second joint 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 height of the raised 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 three bearing sections 7 which are vertically connected with each other and are respectively positioned on the X coordinate axis, the Y coordinate axis in the forward direction and the Z coordinate axis in the reverse direction, and rectangular holes 8 which are vertical to each other and are communicated are formed in the end faces of the three bearing sections 7; according to the position of the bearing in the working state, the positions, close to the ports, on the lower side surfaces of the two bearing sections 7 in the X coordinate axis direction and the Y coordinate axis direction are provided with circular through holes 9 with spiral threads, and the outer circumferences of the circular through holes 9 are provided with convex circular truncated cones; the same circular through holes 9 are formed in the inner side surfaces of the bearing sections 7 on the opposite directions of the Z coordinate axis, and the vertical projection positions of the rectangular holes 8 on the Z coordinate axis on the side walls of the other two bearing sections 7 are sealed.

The integral structure of the second connector 5 is similar to that of the first connector 4, the second connector comprises three bearing sections 7 which are mutually and vertically connected and are respectively positioned on the X coordinate axis, the Y coordinate axis and the Z coordinate axis in the forward direction and the reverse direction, and rectangular holes 8 which are mutually and vertically communicated are formed in the end faces of the three bearing sections 7; according to the position of the bearing in the working state, a circular through hole 9 with spiral threads is formed in the position, close to the port, of the lower side surfaces of the two bearing sections 7 in the directions of an X coordinate axis and a Y coordinate axis, and a raised circular table is arranged on the outer circumference of the circular through hole 9; the same circular through hole 9 is formed in the inner side face of the bearing section 7 on the Z coordinate axis in the reverse direction, the vertical projection positions of the rectangular holes 8 in the Z coordinate axis on the side walls of the other two bearing sections 7 are provided with open holes, and the steel pipe in the vertical direction penetrates through the rectangular holes 8 and penetrates out of the open holes.

The cross section of a rectangular hole 8 formed in the top surfaces of the bearing sections 7 on the support joint 3, the first joint 4 and the second joint 5 is rectangular, the length of the outer side of the rectangular hole is 60mm, and the width of the rectangular hole is 50 mm; the overall height of the receiving section 7 and the oval base 6 on the support joint 3 is 150 mm.

Example 2

As shown in fig. 1 to 7, the quadrangular structure unit of the square tube support of the present embodiment is substantially the same as that described in embodiment 1, except that: the port positions of the inner wall of the bearing section 7 on the support joint 3, the first joint 4 and the second joint 5 are provided with closed annular bulges 11 pointing to the inside of the rectangular hole 8, so that the shaking of the steel pipe can be effectively eliminated.

In addition, the bottom of the rectangular hole 8 in each bearing section 7 of the support joint 3, the first joint 4 and the second joint 5 is respectively provided with a fastener 13 of a square steel pipe, the fastener 13 is of a hollow quadrangular frustum structure, four side edges of the lower end are respectively fixed on four inner walls of the rectangular hole 8, an upper platform of the fastener 13 is square, the upper platform of the fastener 13 is excessively connected with the lower end through an inclined plane, the sectional area is gradually increased, the sectional area of the lowest end is consistent with that of the inner hole of the square steel pipe, and the height of the fastener 13 is smaller than the length of the bearing section 7.

Claims

1. A quadrangular structure unit of a square tube bracket is characterized by comprising four vertical square steel tubes (1) with the same cross section shape and size, eight horizontal square steel tubes (2) and corresponding special square tube joints; every four horizontal square steel pipes form a rectangle in the same horizontal plane and are divided into an upper layer horizontal steel pipe and a lower layer horizontal steel pipe; 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 four vertical square steel pipes (1) are respectively connected with a support joint (3), the upper ends of the four vertical square steel pipes are respectively and vertically connected with the right-angle end of the upper-layer horizontal steel pipe through a first joint (4), the right-angle end of the lower-layer horizontal square steel pipe (2) is respectively and vertically connected with the vertical square steel pipes (1) through a second joint (5), and the connecting part is located above the support joint (3).

2. The quadrangular structure unit of the square pipe support 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 surface bending part of the bearing section (7) is provided with an outer arc chamfer with a 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 a 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) 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 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).

3. The quadrangular structure unit of the square tube support according to claim 1, wherein the first connector (4) comprises three receiving sections (7) which are vertically connected with each other and are respectively positioned on the positive direction of an X coordinate axis and a Y coordinate axis and the reverse direction of a Z coordinate axis, and rectangular holes (8) which are vertical to each other and are communicated are formed on the end surfaces of the three receiving sections (7); according to the position of the bearing in the working state, the positions, close to the ports, on the lower side surfaces of the two bearing sections (7) in the X coordinate axis direction and the Y coordinate axis direction are provided with circular through holes (9) with spiral threads, and the outer circumferences of the circular through holes (9) are provided with convex circular truncated cones; the inner side surfaces of the bearing sections (7) on the opposite Z coordinate axes are provided with the same circular through holes (9), and the vertical projection positions of the rectangular holes (8) on the Z coordinate axes on the side walls of the other two bearing sections (7) are sealed.

4. The quadrangular structure unit of the square tube support according to claim 1, wherein the second joint (5) has an integral structure similar to that of the first joint (4), and comprises three bearing sections (7) which are vertically connected with each other and are respectively positioned on the X coordinate axis, the Y coordinate axis in the forward direction and the Z coordinate axis in the reverse direction, and rectangular holes (8) which are vertical to each other and are communicated are formed on the end surfaces of the three bearing sections (7); according to the position of the bearing in the working state, the positions, close to the ports, on the lower side surfaces of the two bearing sections (7) in the X coordinate axis direction and the Y coordinate axis direction are provided with circular through holes (9) with spiral threads, and the outer circumferences of the circular through holes (9) are provided with convex circular truncated cones; the same circular through holes (9) are formed in the inner side faces of the bearing sections (7) on the Z coordinate axis in the reverse direction, holes are formed in the vertical projection positions of the rectangular holes (8) on the Z coordinate axis on the side walls of the other two bearing sections (7), and the steel pipe in the vertical direction penetrates through the rectangular holes (8) and penetrates out of the hole positions.

5. The quadrangular structure unit of the square tube support according to the claims 2, 3 or 4, wherein the side lengths of the outer sides of the cross sections of the 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, A is larger than or equal to B, and B is larger than or equal to 35mm and smaller than or equal to A and smaller than or equal to 62 mm.

6. The quadrangular unit of a square pipe support according to claim 2, 3 or 4, wherein the overall height h of the receiving section (7) and the oval base (6) of 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.

7. The quadrangular structure unit of the square tube support according to the claims 2, 3 or 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 all provided with closed annular bulges (11) pointing to the inside of the rectangular holes (8).

8. The quadrangular structure unit of the square pipe support according to the claims 1, 2, 3 or 4, wherein 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 pipe (1).

9. The quadrangular structure unit of the square pipe support according to claim 1, wherein fasteners (13) of square steel pipes are respectively arranged at the bottoms of the rectangular holes (8) on the support joints (3), the first joints (4) and the second joints (5), the fasteners (13) are of hollow quadrangular frustum structures, four side edges of the lower ends of the fasteners are respectively fixed on four inner walls of the rectangular holes (8), the upper platforms of the fasteners (13) are square, and the area of the upper platforms is smaller than the cross-sectional area of inner holes of the square steel pipes; the upper platform of the fastener (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 fastener (13) is 1/3-1/2 of the length of the bearing section (7).

10. The quadrangular structure unit of the square pipe support according to claim 2, 3 or 4, wherein fasteners (13) of square steel pipes are respectively arranged at the bottoms of the rectangular holes (8) on 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, and the area of each upper platform is smaller than the cross-sectional area of an inner hole of each square steel pipe; the upper platform of the fastener (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 fastener (13) is 1/3-1/2 of the length of the bearing section (7).