Interlocking and interconnected tent frame combination connection structure with a pin hole on the axis

Abstract

The present invention relates to the structural technology of a tent support frame in the field of tents, mainly solving the problem of component connection of complex joints of a combined tent support frame, and is an axial hinge type combined joint connection structure designed for a combined truss structure roof truss with the connection characteristics of multiple components at the same joint. The technical solution is as follows: connection plugs with the same shape and structural dimensions are respectively arranged at the connection ends of the components, and hinge shaft connecting plates and socket plates are arranged in parallel on the connection plugs. Through the mutual insertion and rotation after insertion of the mutually corresponding hinge shaft connecting plates and socket plates on the two connection plugs, an axial hinge type connection structure with a pin hole at the axis is formed, which not only realizes the connection of the components and the mutual restraint of their positioning, but also provides connection pin holes for subsequent components. This technology is mainly applicable to the combined connection of combined medium and large-sized tent support frames.

Description

Technical Field

[0001] The present invention relates to a structural technology of a tent support frame in the field of tents, mainly solving the problem of connecting complex node components of a combined medium and large-sized tent support frame. It is a combined node connection structure designed for a combined truss structure roof truss with the characteristic of multi-component connection at the same node. This technology is applicable to the combined connection of a combined medium and large-sized tent support frame structure. Background Art

[0002] In recent years, although many new technologies and new structures have emerged in the field of tent technology, in the connection technology of components of a combined medium and large-sized tent support frame, especially in some relatively complex connection nodes, there is still a lack of mature technology and an ideal connection structure. The lack of connection technology directly affects the development of combined medium and large-sized tents. To eliminate the technical bottleneck of component connection and improve and optimize the support frame structure of combined medium and large-sized tents, in-depth research is carried out on the combined node connection structure of a combined truss structure roof truss with the characteristic of multi-component connection at the same node. Summary of the Invention

[0003] Analysis and research are carried out on the connection nodes (such as Figure 1 ) between the roof truss shaping units in a combined truss structure roof truss: This node is not only the connection point for the combination of two roof truss shaping units (①), but also the connection node for the combination of the component roof truss tie rod (②) and the roof purlin (③). This connection node has the characteristic of multi-component connection at the same node. When connecting two roof truss shaping units (①), the connection problems of subsequent components (②, ③) must be considered. From the perspective of the structural stress state, the most ideal structure for this node is an axial hinge type connection structure. However, the conventional axial hinge type structure sets axial holes on two components and uses a through shaft for connection. Its disadvantages are that it requires a separate through shaft to be set, and an anti-disengagement device needs to be set on the through shaft to prevent disengagement after insertion. In addition, the shaft heads at both ends of the through shaft protrude outside the components, directly affecting the installation of other components. To overcome the above problems and deficiencies, what needs to be solved is: it is necessary to change the structural form, combination method, and structural function of the conventional axial hinge type connection, and design a new axial hinge type connection structure that does not require a through shaft, adopts an interlocking combination method, realizes component positioning and anti-disengagement constraint through rotation, has a pin hole at the axis of the hinge shaft, and further improves the safety, reliability, and convenience of component connection and assembly and disassembly through the new connection structure.

[0004] The technical solution for solving the problem is as follows: Connecting plugs (④) with the same shape and structural dimensions are respectively arranged at the connecting ends of the roof truss shaping units. A hinge shaft connecting plate and a socket and spigot plate are arranged in parallel on the connecting plug. The hinge shaft connecting plate includes two mutually parallel semi-circular flat plates and a tubular shaft rod arranged perpendicular to them between the flat plates. The net distance between the two semi-circular flat plates should be greater than or equal to the thickness of the socket and spigot plate. The inner diameter of the axial pin hole of the tubular shaft rod should be greater than or equal to the outer diameter of the connecting pin column of the roof truss tie rod (②) of the component to be inserted. The wall thickness of the tubular shaft rod should be not less than 3 mm. The socket and spigot plate is a semi-circular flat plate with an inclined shaft rod socket. The opening direction of the socket is 135°. The inner size of the socket should match the outer diameter size of the tubular shaft rod on the hinge shaft connecting plate. Through the mutual insertion and interconnection of the corresponding hinge shaft connecting plates and socket and spigot plates arranged in parallel on the two connecting plugs (④), and the rotation after insertion, an axial hinge type connecting structure with a pin hole in the axis is formed, which not only realizes the combined connection of the two roof truss shaping units (①) and the mutual restraint of their positioning, but also provides a connecting pin hole for the subsequent components.

[0005] Advantages of the present invention:

[0006] (1) High versatility: The connecting plugs at the connecting ends of each shaping component have exactly the same shape and structural dimensions, which is convenient for the interchange and interconnection of components and improves the versatility of each component.

[0007] (2) Solve the connection problem of subsequent components: While realizing its own connection, this connecting structure also reserves a connecting pin hole for the subsequent components, solving the connection problem of the subsequent components.

[0008] (3) Have a constraining effect on the positioning and structural deformation of components: Adopting the axial hinge type connecting structure not only facilitates the transfer of the frame load, but also the connecting structure itself has a certain constraining effect on the lateral deformation of the combined frame structure. Moreover, through the mutual insertion and interconnection of components and the rotation during the combination process, not only the positioning and self-locking of components are realized, but also the mutual constraining effect on their structural deformation is achieved.

[0009] (4) High assembly and disassembly efficiency: Because it adopts the combination form of mutual insertion and interconnection, the assembly of components only needs to be directly inserted to complete. It is not only simple and easy to operate, but also does not require other accessories and any tools, which can further improve the assembly and disassembly efficiency of components. Description of the drawings

[0010] Figure 1 : Schematic diagram of the distribution of connecting node components;

[0011] Figure 2 : Three views of the connecting joint;

[0012] Figure 3 : Schematic diagram of the combination of the connecting structure;

[0013] Figure 4 : 3D schematic diagram of the combined connection structure;

[0014] In the figure: ① Component - roof truss shaping unit; ② Component - roof truss tie rod; ③ Component - roof transverse purlin; ④ is the connection plug. Specific implementation method

[0015] The combined connection structure of the inter - inserting and interconnecting tent frame body with a pin - hole at the axis includes the production of connection joints and the combination of the connection structure. Production of connection joints: Taking the combined connection of the roof truss shaping unit (①) with a thickness of 40mm as an example, at the connection end of each component, a connection plug (④) with the same shape and structural dimensions is set. The connection plug is composed of a hinge - shaft connecting plate and a socket - and - plug plate arranged side by side. During production, three parallel flat plates with a length of 50mm and an outer - end of R24mm semi - circular shape are arranged side by side on the connection plug. Between two adjacent semi - circular flat plates with a thickness of 4mm, a tubular shaft rod perpendicular to them is set to form the hinge - shaft connecting plate on the connection plug. It is required that the net distance between the two semi - circular flat plates is 6mm, the inner diameter of the axial hole of the tubular shaft rod is 10mm, and the outer diameter of the shaft rod is 18mm; On another semi - circular flat plate with a thickness of 5mm, an inclined shaft - rod socket is set to form the socket - and - plug plate on the connection plug. The opening direction of the socket is 135°, and the inner - mouth size of the socket is the same as the outer diameter of the tubular shaft rod on the hinge - shaft connecting plate, which is 18mm (see Figure 2 ). During production, it is required that each structural part is positioned by welding, and it is necessary to ensure that the shapes, structural dimensions, and structural directions of all connection plugs are completely consistent. Combination of the connection structure: First, the connection plugs corresponding to each other at the connection ends of two roof truss shaping units (①) are inserted into each other. When inserting, the two components should be in a relative 90° state; After the insertion is in place, then rotate the component to the required position (such as Figure 3 , Figure 4 ), that is, the combined connection of the roof truss shaping unit is completed, and the inter - inserting and interconnecting shaft - hinge type connection structure with a pin - hole at the axis is formed. While realizing the connection of components and the mutual restraint of their positioning, it also provides an axial pin - hole for the subsequent installation of components.

Claims

1. The combined connection structure of an inter-inserted and interconnected tent frame body with a pin hole at the axis is such that connection plugs with the same shape and structural dimensions are respectively provided at the connection ends of the frame body components. Through the mutual insertion and rotation after insertion of two corresponding connection plugs, an axis-hinge type connection structure with a pin hole at the axis is formed to achieve the connection of the components and the mutual restraint of their positioning. The characteristics are as follows: A hinge shaft connecting plate and a socket and spigot plate are arranged side by side on the connecting plug. The hinge shaft connecting plate includes two mutually parallel semi-circular flat plates and a tubular hinge shaft arranged perpendicular to them between the flat plates. The socket and spigot plate is a semi-circular flat plate with an inclined shaft rod socket.

2. The combined connection structure of the interlocking and interconnected tent frame body with a pin hole on the axis according to claim 1, characterized in that: The net distance between the two semi-circular flat plates of the hinge shaft connecting plate shall be ≥ the thickness of the socket and spigot plate. The inner diameter of the axial pin hole of the tubular shaft rod shall be ≥ the outer diameter of the connecting pin column of the component to be inserted. The wall thickness of the tubular shaft rod shall be not less than 3 mm.

3. The combined connection structure of the interlocking and interconnected tent frame body with a pin hole on the axis according to claim 1, characterized in that: The opening direction of the inclined shaft rod socket on the socket and spigot plate is 135°. The inner opening size of the socket shall match the outer diameter size of the tubular shaft rod on the hinge shaft connecting plate.

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