TW202024449A - Crossbar structure of construction frame - Google Patents

Abstract

A crossbar structure of a construction frame has a shaft, and a connecting piece is connected to both ends of the shaft respectively. The shaft is composed of a first pipe piece and a second pipe piece. The first pipe piece and the second pipe piece are respectively connected with the connecting piece at one end thereof, and the first pipe piece and the second pipe piece are respectively sleeved with each other at the other end without the connecting piece to form a telescopic rod structure, so that the first pipe piece and the second pipe piece can slide relatively, and a fixing mechanism that can be used to position the relative sliding position of the first pipe piece and the second pipe piece is provided on the rod body, so that the crossbar structure formed by it can be adjusted correspondingly to the actual construction needs to perform corresponding telescopic adjustment.

Description

Crossbar structure of construction frame

The invention relates to a construction frame structure used in construction sites, and particularly refers to a cross-bar structure of a construction frame.

According to the general construction site, the construction frame (commonly known as the scaffold) is mainly constructed by multiple vertical poles, cross bars and diagonal bars to facilitate the construction, construction, repair and maintenance of the building. In order to facilitate the construction of a large number of construction racks, the crossbars of the current construction racks are all modularized to have only a fixed length in order to facilitate the assembly personnel. Quickly complete the assembly work, and in the actual construction, the construction frame will be built as close to the wall of the building as possible to facilitate the subsequent construction of the construction staff. However, when the wall surface of the building is curved or irregular, the construction frame will be limited by the angle at which the crossbar laps on the vertical rod, and the crossbar only has a fixed standard length limit, so that the subsequent overlap The construction frame cannot be reliably close to the wall of the building, which is not conducive to the construction personnel.

As shown in Figure 7, it is the "cross-bar connecting plate structure of scaffolding pole" provided by China's new patent case No. M416659, which is mainly achieved by fixing a cross-bar connecting plate 91 at the predetermined height of the vertical pole. , And the crossbar connecting plate 91 is provided with an insertion hole 92 extending to the left and right sides to form a long groove shape, so that the crossbar 93 can be made more angles when it is overlapped with the crossbar connecting plate 91 Connect the erection so that the construction frame built can be closer to the wall of the building according to different types of buildings. However, although the previous patent application can adjust the erection angle of the cross bar 93 through the slot-shaped insertion hole 92, the cross bar 93 currently on the market only has a fixed length of the standard, so in buildings When the wall surface is curved or irregular, the construction frame built by it will still be limited by the fixed length of the cross bar 93, so that the construction frame will be constructed at a larger turning position when it is built along the building wall. There is still a large gap A between the frame and the wall of the building, so that the construction frame built by it still cannot achieve the effect of being close to the wall of the building.

In view of this, how to improve the above shortcomings is the primary problem to be solved by the present invention.

The main purpose of the present invention is to provide a cross-bar structure of a construction frame, which has the effect of making the construction frame built close to the wall of the building reliably.

In order to achieve the foregoing objective, the present invention provides a cross-bar structure of a construction frame, which has a shaft, and two ends of the shaft are respectively connected with a connecting piece for connecting with a cross-bar connecting plate. It is characterized in that: the shaft includes at least a first pipe and a second pipe, the first pipe and the second pipe are respectively connected with the connecting piece at one end, and the first pipe and the second pipe are respectively The other end that is not provided with the connecting piece is sleeved with each other to form a telescopic rod structure, so that the first pipe piece and the second pipe piece can slide relative to each other, and the rod body is provided with a piece for positioning the first pipe piece and the The fixing mechanism of the relative sliding position of the second pipe.

Preferably, the first tube is used to sleeve the inside of the second tube, and a groove extending along its long axis is opened on the second tube, and the groove does not extend to the second tube There is a non-grooved section formed between the groove and the end edge of the second pipe facing the first pipe, and the first pipe is provided with a positioning hole at a position corresponding to the groove. The positioning hole is provided with an internal thread, and the fixing mechanism includes a bolt, which is relatively locked in the internal thread of the positioning hole through the groove, so as to position the relative sliding of the first pipe and the second pipe. Move position.

Furthermore, the groove has a predetermined extension length, and the extension length of the groove accounts for about 15% of the total length of the crossbar structure.

Furthermore, the internal thread of the positioning hole is composed of a nut fixed inside the first pipe and arranged opposite to the positioning hole, and the fixing mechanism further has a pressure plate, and the pressure plate is provided with a through hole , And on both sides of the pressing plate are formed two pressing feet extending along the longitudinal axis of the groove, and after the bolts pass through the through hole and the groove in sequence, they are relatively locked in the internal thread of the positioning hole In the middle, the bolt can press the pressure plate and press the two pressure feet against the outer circumference of the second pipe.

Preferably, at least one connecting piece is pivotally connected to one end of the shaft, and one side of the at least one connecting piece is recessed with an assembly groove for connecting with the connecting plate of the cross bar, and A slot which penetrates up and down and communicates with the assembling slot is opened in the at least one connecting piece, and the slot can be inserted through a pin, so that the at least one connecting piece can be positioned on the crossbar connecting plate.

Preferably, the at least one connecting piece protrudes outwardly on the opposite side of the assembling groove to form two spaced horizontal fins, and the at least one connecting piece overlaps the two horizontal fins. On the outer circumference of one end of the shaft, the two horizontal fins and the shaft are simultaneously pierced by a pivot, so that the at least one connecting piece can perform a horizontal pivot adjustment relative to the shaft.

It is not difficult to gain an in-depth understanding of the above-mentioned objects and advantages of the present invention from the detailed description of the selected embodiments and the accompanying drawings.

As shown in Figures 1 to 4, the crossbar structure of a construction frame provided by the present invention is mainly composed of a shaft 11 in the shape of a long rod and a fixing mechanism 21. The ends are respectively connected with a connecting piece 31 which can be connected with a crossbar connecting plate 41, wherein:

The shaft 11 has a first tube 12 and a second tube 13, the first tube 12 and the second tube 13 are respectively connected with the connecting member 31 at one end, and the first tube 12 and the second tube The two pipes 13 are respectively sleeved with the other end not provided with the connecting piece 31 to form a telescopic rod structure, so that the first pipe 12 and the second pipe 13 can slide relatively. In this embodiment, the first tube 12 has a small diameter and can be coaxially sleeved inside the second tube 13, and the second tube 13 is provided with a groove 14 extending along its longitudinal axis , And the groove 14 does not extend to the end edges of both ends of the second pipe member 13, so that a grooveless section 15 is formed between the groove 14 and the end edge of the second pipe member 13 facing the first pipe member 12, and In this way, the structural strength of the first pipe 12 and the second pipe 13 at the socket joint can be ensured, and the groove 14 has a predetermined extension length L1. In this embodiment, the groove 14 The extension length L1 accounts for about 15% of the total length L of the cross-bar structure of the present invention; in addition, a positioning hole 16 is opened in the position of the first pipe 12 corresponding to the groove 14, and the inside of the first pipe 12 is relatively A screw cap 17 is fixedly connected to the position of the hole 16 by welding. The screw cap 17 has an internal thread 171 communicating with the positioning hole 15.

The fixing mechanism 21 is arranged on the shaft 11 and can be used to position the position of the first tube 12 and the second tube 13 after relatively sliding. In this embodiment, the fixing mechanism 21 is mainly composed of a bolt 22 and a pressing plate 23. The bolt 22 has an expanded head 221 and a locking portion 222 with external threads. The pressing plate 23 A through hole 231 is opened, and two pressing feet 232 extending along the longitudinal axis of the groove 14 are formed on opposite sides of the pressing plate 23, and the locking portion 222 of the bolt 22 passes through the through hole in sequence 231 and the groove 14 are then relatively locked in the internal thread 171 in the positioning hole 16, so that the head 221 of the bolt 22 can press the pressure plate 23, and the two pressure feet 232 can be pressed against The second tube 13 is located on the outer periphery on the opposite sides of the groove 14 to locate the position of the first tube 12 and the second tube 13 after relative sliding, and thereby make the shaft 11 have a The effect of segmental telescopic adjustment length.

In addition, each of the connecting pieces 31 is pivotally connected to the two ends of the shaft 11, and the connecting piece 31 is recessed on one side facing outward to connect with the crossbar connecting plate 41. The connecting member 31 is provided with a slot 32, and the connecting member 31 is respectively provided with a slot 33 which penetrates up and down and communicates with the set slot 32. The slot 33 can be inserted through a pin 34 so that the connecting member 31 can pass through The plug 34 is connected to the socket 42 on the crossbar connecting plate 41 with each other. The connecting piece 31 is formed with two horizontal fins 35 spaced apart on the opposite side where the assembling groove 32 is provided. The connecting piece 31 is overlapped by the two horizontal fins 35. On the end of the shaft 11, the two horizontal fins 35 and the shaft 11 are simultaneously inserted through a pivot 36, so that the connecting member 31 can perform a horizontal pivot adjustment action relative to the shaft 11 .

Next, referring to Fig. 5, the present invention uses the shaft 11 of the crossbar to be formed by the first pipe 12 and the second pipe 13 mutually sleeved, so that it can be adapted to various constructions at the construction site. As required, by first loosening the bolt 22 to release the positioning state of the fixing mechanism 21 on the first pipe 12 and the second pipe 13, and then according to the actual needs of the construction site, directly stretch the shaft by hand 11 After adjusting to a suitable telescopic length, tighten the bolt 22 to fix the shaft 11 at the adjusted telescopic length. It not only has the advantages of simple and fast operation, but also can be adjusted according to construction requirements. Furthermore, when the crossbar structure provided by the present invention is actually erected, the shaft 11 of the crossbar is constructed with its groove 14 facing downwards, thereby avoiding falling from the top during the construction process The dust or mixed soil will block the groove 14. In addition, in the present invention, the connecting piece 31 is pivotally connected to the two ends of the shaft 11, so that the connecting piece 31 has the function of being able to move in the horizontal direction and pivotally, so that the crossbar can overlap. When connected to the crossbar connecting plate 41, it can also be connected and erected at more angles, so that it can better match the shape of the building in the process of assembling the construction frame.

As shown in Figure 6, when the wall surface of the building is curved or irregular, the assembling personnel only need to adjust the telescopic length of the shaft 11 of the crossbar and adjust the connecting piece 31 for assembly in the horizontal The angle of assembly on the rod connecting plate 41 allows the construction frame to be built to be closer to the wall of the building more reliably, thereby facilitating subsequent construction or renovation work by the construction staff .

In addition, it can be seen from the above description that the present invention has the function of telescopic adjustment through the shaft 11 of the crossbar, and the connecting piece 31 can be movably pivoted to make a multi-angle connection and erection, so that it can be constructed. The construction frame can be surely close to the working wall in response to buildings of different shapes, and has the effect of being easy to install and use and being able to respond to different construction needs.

However, the disclosures of the above embodiments are only used to illustrate the creation, not to limit the creation, so all changes in values or replacement of equivalent components should still belong to the scope of this creation.

To sum up, when people who are familiar with this art know that this creation can indeed achieve the aforementioned purpose, and that it has actually complied with the provisions of the Patent Law, they should apply in accordance with the law.

(Used part) 91: Crossbar connecting plate 92: socket 93: Crossbar A: Larger gap (Part of the invention) 11: Shaft 12: The first pipe fitting 13: The second pipe 14: groove 15: No slot section 16: positioning hole 17: Nut 171: Internal thread 21: fixed mechanism 22: Bolt 221: Head 222: Locking part 23: pressure plate 231: Through hole 232: presser foot 31: Connector 32: assembly slot 33: Slot 34: latch 35: horizontal flap 36: pivot 41: Crossbar connecting plate 42: jack L1: extended length L: total length

Figure 1 is a schematic diagram of the assembly of the present invention. Figure 2 is a perspective view of the present invention after assembly. Figure 3 is a schematic diagram of the structure of the present invention. Figure 4 is a schematic cross-sectional view of the present invention after assembly. Figure 5 is a schematic diagram of the adjustment of the present invention. Figure 6 is a schematic diagram of the use state of the present invention, which is used to show the construction state when the building wall is curved or irregular. Figure 7 is a schematic diagram of my country's new patent case No. M416659 for "Structure of Crossbar Connecting Disk for Scaffolding Pole".

11: Shaft

12: The first pipe fitting

13: The second pipe

14: groove

15: No slot section

16: positioning hole

17: Nut

171: Internal thread

21: fixed mechanism

22: Bolt

23: pressure plate

231: Through hole

232: presser foot

31: Connector

32: assembly slot

33: Slot

34: latch

35: horizontal flap

36: pivot

Claims (6)

A cross-bar structure of a construction frame, which has a shaft, and a connecting piece capable of connecting with a cross-bar connecting plate is respectively connected to both ends of the shaft, and is characterized in that: 　　 the shaft includes at least one A first pipe and a second pipe, the first pipe and the second pipe are respectively connected with the connecting piece at one end, and the first pipe and the second pipe are respectively connected with the other without the connecting piece One end is sleeved to form a telescopic rod structure, so that the first tube and the second tube can slide relatively, and the rod body is provided with a fixing that can locate the relative sliding position of the first tube and the second tube mechanism. The cross-bar structure of the construction frame according to claim 1, wherein: the first pipe is used to be sleeved inside the second pipe, and a groove extending along its long axis is formed on the second pipe , The groove does not extend to the end edges of both ends of the second pipe, so that a grooveless section is formed between the groove and the end of the second pipe facing the first pipe, and the first pipe corresponds to A positioning hole is provided at a position of the groove, and the positioning hole is provided with an internal thread, and the fixing mechanism includes a bolt which is relatively locked in the internal thread of the positioning hole through the groove to be able to locate The relative sliding position of the first tube and the second tube. The cross-bar structure of the construction rack according to claim 2, wherein: the groove has a predetermined extension length, and the extension length of the groove accounts for about 15% of the total length of the cross-bar structure. The cross-bar structure of the construction frame according to claim 2, wherein: the internal thread of the positioning hole is composed of a nut fixed inside the first pipe fitting and arranged opposite to the positioning hole, and the fixing mechanism There is a pressure plate, the pressure plate is opened with a through hole, and two pressure feet extending along the longitudinal axis of the groove are formed on opposite sides of the pressure plate, and the bolt passes through the through hole and the groove in sequence Afterwards, it is relatively locked in the internal thread of the positioning hole, so that the bolt can press the pressure plate and press the two pressure feet against the outer periphery of the second pipe. The cross-bar structure of the construction frame according to claim 1, wherein: at least one connecting piece is pivotally connected to one end of the shaft, and one side of the at least one connecting piece is recessed with a The assembling slot where the connecting plate of the crossbar is connected, and a slot penetrating up and down and communicating with the assembling slot is opened in the at least one connecting piece. The slot can be inserted through a pin so that the at least one The connecting piece is positioned on the crossbar connecting plate. The cross-bar structure of the construction rack according to claim 5, wherein: the at least one connecting member is formed with two horizontal fins arranged at intervals on the opposite side of the assembling groove. A connecting piece is relatively overlapped on the outer circumference of one end of the shaft with the two horizontal fins, and the two horizontal fins and the shaft are simultaneously penetrated by a pivot, so that the at least one connecting piece can be opposed to the shaft The shaft performs a horizontal pivot adjustment.

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