Novel curtain wall keel connecting structure and installation method

Abstract

The application discloses a novel curtain wall keel connecting structure and a mounting method, which comprises a cross beam, a stand column and a connecting assembly arranged in the inner cavity of the cross beam. The connecting assembly comprises a pair of oppositely arranged buckles, at least one elastic expansion plug is arranged on each buckle, and a fixing hole matched with the plug is arranged on the stand column. A locking member and a dismounting member are arranged between the two buckles; the locking member can move the two buckles away from each other and abut against and fix the inner wall of the cross beam; the dismounting member is connected with the buckle and is provided with a traction part extending to the outside of the cross beam, and the traction part can drive the whole connecting assembly to move, so that the plug is separated from the fixing hole. The cross beam has a simple cross section, flexible material selection, adjustable plug quantity, and realizes high-strength fixing and non-damage dismounting through cooperation of the locking member and the dismounting member, thereby facilitating later maintenance of the curtain wall.

Description

Technical Field

[0001] This invention relates to the field of building exterior decoration technology, and in particular to a novel curtain wall keel connection structure and installation method, which is especially suitable for detachable connections between beams and columns of building curtain walls. Background Technology

[0002] The curtain wall's framework is primarily composed of horizontal beams and vertical columns, connected by L-shaped connectors or pins. L-shaped connectors, due to their relatively weak torsional resistance (refer to CN201720781957.3), are prone to slippage under the long-term load of the curtain wall panels, impacting structural safety. Early methods using pin connections, due to the complex cross-section of the horizontal beams, involved creating pin holes in the beam profiles and inserting pins to connect to the columns. This method, while effective due to the complexity of the beam profiles limiting the use of aluminum alloy for molding, becomes unsuitable for the larger areas of curtain wall loads due to the lower strength of aluminum alloy. Furthermore, this connection method prevents disassembly and maintenance after installation, affecting future maintenance of the curtain wall (refer to CN201220312729.9).

[0003] Therefore, there is an urgent need for a curtain wall keel connection structure that can meet the requirements of high-strength connection and is easy to disassemble and maintain. Summary of the Invention

[0004] The purpose of this invention is to provide a novel curtain wall keel connection structure and installation method to solve the problems of weak torsional resistance, easy slippage, and inability to disassemble and maintain existing connection methods. This invention uses independent connecting components set in the inner cavity of the beam, employing locking devices to fix them to the inner wall of the beam, and using disassembly components and traction parts to achieve non-destructive disassembly, thus ensuring connection strength while facilitating installation and subsequent maintenance.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a novel curtain wall keel connection structure and installation method, comprising a horizontal beam, a vertical column, and a connecting assembly. The horizontal beam has a hollow inner cavity with a concave cross-section, and its lower surface has process holes and disassembly holes. The vertical column has fixing holes (i.e., pin holes) on its side where it contacts the horizontal beam. The connecting assembly is disposed within the inner cavity of the horizontal beam and includes a pair of oppositely arranged fasteners, plug-in components, locking components, and disassembly components.

[0006] The fasteners have a U-shaped cross-section and are symmetrically arranged on both sides, with their height equal to the height of the inner cavity of the crossbeam. Each fastener has multiple insertion holes on its two vertical sides. The middle flat section of the first fastener has a threaded mounting hole, and the middle flat section of the second fastener has a positioning hole with a diameter slightly smaller than the diameter of the locking element. The insertion element, which can elastically extend and retract, passes through the insertion holes of the fasteners and includes a shaft, an elastic element, and a nut washer. One end of the shaft is a nut, and the other end is conical with a thread in the middle; the elastic element is fitted onto the shaft and located between the left and right vertical sides; the nut washer is screwed onto the threaded part of the shaft and abuts against the outer side of the right vertical side.

[0007] The locking component is a fully threaded bolt with a conical end. After passing through the process hole in the crossbeam and the mounting hole of the first fastener, the conical end inserts into the positioning hole of the second fastener. Tightening the locking component increases the distance between the two fasteners, securing them firmly against the inner wall of the crossbeam. The disassembly component is a bolt with a similar structure to the locking component but shorter in length. It is screwed into the mounting hole inside the first fastener, and its conical end similarly inserts into the positioning hole inside the second fastener. A flexible rope is connected to the disassembly component as a traction part, and this flexible rope extends from the disassembly hole in the crossbeam to the outside.

[0008] The installation method of the above-mentioned new curtain wall keel connection structure includes the following steps: Step 1: Install the connecting assembly into the inner cavity of the crossbeam, and use the locking device to move the two fasteners back to back and abut against the inner wall of the crossbeam for fixation. Step 2: Press the connector to retract it to the side of the crossbeam; Step 3: Push the crossbeam to the designed installation position of the column, align the connector with the fixing hole on the column, and the connector will automatically pop into the fixing hole of the column, completing the connection between the crossbeam and the column. Step four: During disassembly, remove the locking component, loosen the disassembly component, pull the traction part to move the connecting assembly as a whole, so that the plug part disengages from the fixing hole, and completes the separation of the crossbeam from the column.

[0009] Compared with existing technologies, this invention uses beams and columns with simple cross-sectional shapes, allowing the connecting components to be independently installed within the beam cavity. The number of connectors can be flexibly adjusted according to stress requirements without altering the beam profile structure. Simultaneously, the cooperation of locking and disassembly components achieves both high-strength fixation between the connecting components and the inner wall of the beam, and non-destructive disassembly via the traction mechanism. This effectively facilitates the later installation and maintenance of the curtain wall while ensuring connection reliability. Attached Figure Description

[0010] Figure 1 This is an overall structural breakdown diagram of an embodiment of the present invention; Figure 2This is a structural diagram of the connector according to an embodiment of the present invention; Figure 3 This is a structural diagram of the connector of the present invention according to an embodiment; Figure 4 This is a side view of the assembly of the plug connector according to an embodiment of the present invention; Figure 5 This is an assembly diagram of the plug connector and crossbeam according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the cross-section of the beam in an embodiment of the present invention.

[0011] Explanation of reference numerals in the attached drawings: 1. Crossbeam; 11. Process hole; 12. Disassembly hole; 2. Column; 21. Fixing hole; 3. Connecting assembly; 31. Fastener; 31-0. Insertion hole; 31-1. First fastener; 31-1-1. Mounting hole; 31-2. Second fastener; 31-2-1. Positioning hole; 32. Insertion piece; 32-1. Shaft; 32-2. Nut and washer; 32-3. Elastic element; 33. Locking element; 34. Disassembly piece; 34-1. Traction part. Detailed Implementation

[0012] The following is in conjunction with the appendix Figures 1 to 6 The present invention provides a more detailed description of the specific implementation of a novel curtain wall keel connection structure and installation method.

[0013] A novel curtain wall keel connection structure and installation method includes a horizontal beam 1, a column 2, and a connector assembly 3.

[0014] The crossbeam 1 is concave in shape. Three sides are flat, and one side is a slotted flat surface with an inner cavity height of L. The width of the lower surface of the slotted flat surface is d, and the width of the upper surface is D. Two process holes 11 and one disassembly hole 12 are opened on the lower surface.

[0015] The column 2 is concave or rectangular in shape. If it is concave, it can be similar to the cross section of the beam 1, and its contact surface with the beam 1 is flat.

[0016] The crossbeam 1 and column 2 are concave in shape, and decorative strips can be further installed on the outer side through the grooves to enhance their aesthetic appeal.

[0017] The connecting component 3 is a pin type and consists of symmetrical fasteners 31, plug-in components 32, clamping components 33, and disassembly components 34.

[0018] The symmetrical fasteners 31 are divided into the first fastener 31-1 and the second fastener 31-2, the height of which is equal to the height L of the inner cavity of the crossbeam 1.

[0019] The first fastener 31-1 and the second fastener 31-2 have a U-shaped cross section, and several insertion holes 31-0 are provided on each of the two vertical sides. The number of insertion holes 31-0 is determined according to the number of insertion parts 32 used in the structural stress condition. In this embodiment, there are 3 on each side.

[0020] Two mounting holes 31-1-1 are symmetrically arranged in the middle of the middle plate section of the first fastener 31-1. These holes are threaded holes.

[0021] Two positioning holes 31-2-1 are symmetrically arranged in the middle of the middle plate section of the second fastener 31-2, and the diameter of the holes is slightly smaller than that of the clamping part 33.

[0022] The mounting hole 31-1-1 and the positioning hole 31-2-1 are in the same relative position.

[0023] The connector 32 consists of a shaft 32-1, a nut and washer 32-2, and an elastic element 32-3.

[0024] The diameter of shaft 32-1 matches the diameter of insertion hole 31-0. One end is fitted with a nut, and the other end is conical. Its length should be greater than the cross-sectional width w of fastener 31. A thread is provided in the middle at a position equal to the cross-sectional width of fastener 31.

[0025] The nut washer 32-2 is threaded, and its bore diameter matches that of the shaft 32-1.

[0026] The elastic element 32-3 uses a tightening spring, the diameter of which matches the diameter of the shaft 32-1, and the length of which matches the height of the fastener 31.

[0027] The connection steps between the connector 32 and the fastener 31 are as follows: Pass the shaft 32-1 through the insertion hole 31-0 on one side of the fastener 31, and then fit the elastic element 32-3 onto the shaft 32-1; continue extending the shaft 32-1 straight until it approaches the insertion hole 31-0 on the other side of the fastener 31, then insert the nut washer 32-2; tighten the nut washer 32-2 until it is fully tightened. Install other connectors 32 using the same method.

[0028] The clamping element 33 is a bolt, the diameter of which matches the mounting hole 31-1-1. It is a fully threaded type and can rotate within the mounting hole 31-1-1.

[0029] One end of the clamping member 33 is conical, and the small end of the conical part can pass through the positioning hole 31-2-1. The diameter of the positioning hole 31-2-1 is slightly smaller than the diameter of the clamping member 33, ensuring that the small end of the conical part passes through the positioning hole 31-2-1 for a certain distance and is then clamped by the positioning hole 31-2-1.

[0030] The other end of the clamping member 33 is a constant diameter end, with a cross or slotted screw for easy screwing with a screwdriver.

[0031] The length of clamping part 33 is greater than the width d of crossbeam 1, ensuring that after it is tightened, the end with the screw groove protrudes from the lower plane of the groove-shaped plane of crossbeam 1.

[0032] The disassembly component also uses bolt 34, which is identical to the clamping bolt except for its shorter length. The length of the disassembly component 34 is the width d of the crossbeam 1 minus the height of the vertical side of the fastener 31, ensuring that after tightening, the end with the screw groove does not protrude from the lower plane of the groove-shaped plane of the crossbeam 1.

[0033] The disassembly component 34 is equipped with a traction part 34-1, which can be made of materials with large tensile strength such as steel wire or nylon, and has a certain degree of flexibility. One end of the traction part 34 is made into a rope loop and is used for disassembly. The other end is a tension end for disassembly.

[0034] The connection steps between the connecting component 3 and the crossbeam 1 are as follows: First, insert the assembled connector 32 and fastener 31 into the cavity of the crossbeam 1. Screw the disassembly piece 34 into the inner mounting hole 31-1-1 of the first fastener 31-1. Put one end of the rope loop of the traction part 34-1 into the disassembly piece 34, and let the other end of the rope pass through the innermost disassembly hole 12 from the inner cavity of the crossbeam 1. Make a knot to prevent it from slipping into the cavity of the crossbeam 1. The position and diameter of the disassembly hole 12 should facilitate the passage of the traction part 34-1.

[0035] Then, insert fastener 31 along the height direction (consistent with the height L of the inner cavity of the crossbeam 1), and install the first fastener 31-1 on one side of the slot-shaped plane of the crossbeam 1, while making the outer side of the vertical edge of fastener 31 flush with the outer side of the crossbeam 1 section, and the conical end of the shaft 32-1 facing outward.

[0036] Next, the clamping member 33 is inserted through the outermost process hole 11 on the crossbeam 1, and simultaneously passes through the outer mounting hole 31-1-1 of the first fastener 31-1. Since the mounting hole 31-1-1 has threads, the clamping member 33 can continuously extend with the threads, until the conical end of the clamping member 33 reaches the outer positioning hole 31-2-1 of the second fastener 31-2. Since the diameter of the positioning hole 31-2-1 is slightly smaller than the diameter of the clamping member 33, as the clamping member 33 continues to extend, it can push the distance between the first fastener 31-1 and the second fastener 31-2 to increase through the tightening and limiting effect of the conical end and the positioning hole 31-2-1, and finally tighten against the inner wall of the crossbeam 1. Since the upper part of the clamping member 33 is exposed outside the process hole 11 after it is tightened, it can play the role of limiting the fastener 31.

[0037] Finally, tighten the disassembly piece 34 until its conical end reaches the inner positioning hole 31-2-1 of the second fastener 31-2, which is the same as the clamping principle of the clamping piece 33. Here, it is necessary to ensure that the positions of the two process holes 11 on the outer side of the crossbeam 1 correspond one-to-one with the positions of the mounting hole 31-1-1 and the positioning hole 31-2-1. At this point, the connecting assembly 3 is fixed to the crossbeam 1.

[0038] The connection steps between beam 1 and column 2 are as follows: On the plane where the column 2 contacts the beam 1, a fixing hole 21 is made according to the design coordinates. The diameter of the hole is the same as that of the shaft 32-1. The position and number of the hole should correspond one-to-one with the shaft 32-1 in the assembled connecting assembly 3.

[0039] First, press the shaft 32-1 against one side of the crossbeam cavity. At this time, the elastic element 32-3 is compressed until the outermost end of the shaft 32-1 is flush with the crossbeam 1 section.

[0040] Then, according to the design height, push it into the plane on the side of the column 2 where the crossbeam 1 is to be installed. After the shaft 32-1 reaches the corresponding position of the fixing hole 21, due to the elastic force of the elastic element 32-3, the shaft 32-1 will spring into the fixing hole 21. After several shafts 32-1 are inserted into the column 2 at the same time, the connection between the crossbeam 1 and the column 2 is completed.

[0041] The disassembly steps are as follows: When it is necessary to disassemble the crossbeam 1, first loosen the clamping part 33 and remove it; then loosen the disassembly part 34, just enough to make it slightly loose, so that one end of its conical shape is still in the positioning hole 31-2-1 of the second fastener 31-2, so that the tightness between the connecting assembly 3 and the crossbeam 1 can be relaxed.

[0042] Then, pull the tension end of the traction part 34-1, so that one end of its rope loop pulls the disassembly part 34. The disassembly part 34 then drives the connecting assembly 3 to move away from the column 2, so that the shaft 32-1 of the connecting assembly 3 is completely disengaged from the fixing hole 21 of the column 2. This completes the separation of the beam 1 and the column 2.

[0043] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A novel curtain wall keel connection structure, characterized in that, The assembly includes a crossbeam, a column, and a connecting component. The connecting component is disposed within the inner cavity of the crossbeam. The connecting component includes a pair of oppositely arranged fasteners, each of which has at least one insert. The column has a fixing hole that mates with the insert. The insert can be elastically extended and retracted through the fastener and can extend out of the side of the crossbeam or retract into the crossbeam. A locking component and a disassembly component are provided between the two fasteners. The locking component allows the two fasteners to move back to back and abut against the inner wall of the crossbeam. The disassembly component is connected to the fasteners and has a traction part extending to the outside of the crossbeam. The traction part can drive the connecting component to move as a whole so that the insert disengages from the fixing hole.

2. The novel curtain wall keel connection structure according to claim 1, characterized in that, The fastener has an i-shaped cross-section, and the plug-in component passes through the two vertical sides of the fastener.

3. The novel curtain wall keel connection structure according to claim 1, characterized in that, The connector includes a shaft and an elastic element. The elastic element is sleeved on the shaft and is used to provide elastic force to the shaft extending outward from the side of the crossbeam.

4. The novel curtain wall keel connection structure according to claim 3, characterized in that, One end of the shaft is provided with a nut, and the other end is conical. The middle part of the shaft is provided with threads. The connector also includes a nut washer, which is screwed into the threaded part of the shaft and abuts against the outside of the fastener.

5. The novel curtain wall keel connection structure according to claim 1, characterized in that, The locking element is a bolt, one end of which is conical. One end of the bolt passes through the first fastener and presses against the second fastener. The first fastener has a mounting hole that engages with the threaded locking element, and the second fastener has a positioning hole that engages with the conical locking element. The diameter of the positioning hole is smaller than the diameter of the locking element.

6. The novel curtain wall keel connection structure according to claim 1, characterized in that, The disassembly component is a bolt, the traction part is a flexible rope connected to the bolt, the crossbeam has a disassembly hole, and the traction part passes through the disassembly hole to the outside of the crossbeam.

7. The novel curtain wall keel connection structure according to claim 1, characterized in that, The cross-section of the beam is concave, and the beam has process holes for the locking component to pass through.

8. The novel curtain wall keel connection structure according to claim 1, characterized in that, The crossbeam and / or the column are made of aluminum alloy profiles or thin-walled steel roll-formed profiles.

9. The novel curtain wall keel connection structure according to claim 1, characterized in that, The number of the connectors is multiple, and they are spaced apart along the length of the fastener.

10. An installation method based on the novel curtain wall keel connection structure according to any one of claims 1-9, characterized in that, Includes the following steps: Step 1: Install the connecting assembly into the inner cavity of the crossbeam, and use the locking device to move the two fasteners back to back and abut against the inner wall of the crossbeam for fixation. Step 2: Press the connector to retract it to the side of the crossbeam; Step 3: Push the crossbeam to the designed installation position of the column, align the connector with the fixing hole on the column, and the connector will automatically pop into the fixing hole of the column, completing the connection between the crossbeam and the column. Step four: During disassembly, remove the locking component, loosen the disassembly component, pull the traction part to move the connecting assembly as a whole, so that the plug part disengages from the fixing hole, and completes the separation of the crossbeam from the column.

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