CN202467161U - Connection structure of scaffold - Google Patents

Abstract

The utility model relates to a connection structure of a scaffold. The connection structure comprises a vertical rod, four cross rods, at least one slanting rod, a bowl-shaped fastener and an inserting slot connection disc, wherein each cross rod and each slanting rod are respectively connected with the vertical rod; the bowl-shaped fastener is sleeved on the vertical rod and located above the inserting slot connection disc; a limiting pin used for fixing the bowl-shaped fastener is arranged on the vertical rod over the slot connection disc; four mortises are uniformly formed in the slot connection disc at intervals; a connection board is arranged between two adjacent mortises; each connection board is provided with a jack; the end part of each cross rod is provided with a tenon matched with each mortise; and the end part of each slanting rod is provided with an inserting piece matched with the jack. The connection structure of the scaffold has the advantages of being simple and stable in structure and high in safety coefficient.

Description

A connection structure for scaffolding

【Technical field】

The utility model relates to a connection structure used in construction, in particular to a connection structure of scaffolding.

【Background technique】

At present, the scaffolding used in construction, such as the known fastener-type steel pipe scaffolding, is composed of components such as standpipes, horizontal pipes, and diagonal bracing pipes. The connection between the vertical rod and the horizontal rod of the traditional fastener-type steel pipe scaffolding will cause damage to the connection between the vertical rod and the other horizontal rods due to the damage of any one of the horizontal rods and the vertical rod, which increases the risk factor during construction and causes great harm to personal property. Great threat and impact. However, the traditional fastener-type steel pipe scaffolding is greatly affected by human factors due to the torque of the fasteners, and it is easy to cause the torque of the fasteners to fail to meet the requirements, resulting in the instability of the scaffold and easily causing safety accidents.

【Content of utility model】

The technical problem to be solved by the utility model is to provide a scaffold connection structure with simple structure, stability and high safety factor.

The utility model solves the above-mentioned technical problems through the following technical solutions: a connection structure for scaffolding, including a vertical rod, four horizontal rods, at least one oblique rod, a bowl fastener and a The slot connection plate of the rod and the oblique rod, each of the horizontal bars and the oblique rods is respectively connected to the vertical rod, the bowl fastener is sleeved on the vertical rod and is located above the slot connection plate, and the slot connection plate At least one limit pin for fixing the bowl fastener is provided on the upper pole; four mortises are evenly spaced on the slot connection plate, and a connecting platform is provided between two adjacent mortises. And each connecting platform is provided with a jack, the end of each cross bar is provided with a tenon matching the mortise, and the end of each inclined bar is provided with a plug-in unit matching the jack .

Further, the upper end surface of the bowl fastener is a spiral slope, and the tail end of the spiral slope is provided with a through hole for the limit pin to pass through, and the outer surface of the bowl mouth piece is provided with at least one convex strip .

Further, the plug-in part includes a plug-in part and a connection part provided at the end of the diagonal rod, one end of the plug-in part is provided with a plug for inserting into the jack, and the other end of the plug-in part It is an engaging portion, the engaging portion is provided with a first through hole, the connecting portion is provided with a second through hole, the engaging portion and the connecting portion are connected through the first through hole and the second through hole, and The axis of the first through hole is parallel to or perpendicular to the direction of plugging in and out of the plug.

Further, each mortise is a stepped mortise.

The beneficial effects of the connecting structure of a scaffold of the utility model are as follows: 1. The structure is simple and the design is reasonable, and each cross bar and oblique bar are independently connected to the slot connection plate arranged on the vertical bar, which avoids the need of the traditional scaffolding. The connection between any horizontal bar or slanting bar and the vertical bar is damaged, resulting in the damage of the connection between the vertical bar and other horizontal bars or slanting bars; 2. The socket connection plate and bowl fastener of the scaffold are independent, which is convenient for construction workers to quickly disassemble and assemble and replacement; 3. The vertical bar, the horizontal bar and the slanting bar are connected through the slot connection plate, and then fixed by the bowl buckle, the structure is stable and the safety factor is high; 4. The slot connection plate can not only effectively connect all the rods, but also because The slot connection plate is set on the pole, and the axes of the poles meet at one point, all axial force, no additional stress, good mechanical properties, reliable connection, and good integrity of the scaffold formed; 5. The pole and The connection nodes formed by connecting the cross bars and oblique bars through the slot connection plates can withstand vertical upward or downward loads, and can withstand certain bending moments, punching shears and torques, so that the scaffold forms a space with good stability. The structural support is suitable for setting up dual-purpose external scaffolds for high-rise building construction and decoration operations, and can also be used as a support frame for formwork. It is a connection structure that can be used for multifunctional scaffolding.

【Description of drawings】

The utility model will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of one embodiment of the present invention before connection.

Fig. 2 is a schematic diagram of the connected structure of one embodiment of the utility model.

Fig. 3 is a schematic diagram of the structure of the second embodiment of the utility model before connection.

Fig. 4 is a schematic diagram of the connected structure of the second embodiment of the utility model.

Fig. 5 is a three-dimensional structural schematic diagram of the socket connection plate in the utility model.

Fig. 6 is a three-dimensional structural schematic view of the bowl fastener of the present invention.

Fig. 7 is an enlarged schematic view of the plug-in part in one of the embodiments of the present utility model.

Fig. 8 is an enlarged schematic view of the plug-in part in the second embodiment of the utility model.

【Detailed ways】

Please refer to Fig. 1 to Fig. 4, the connection structure of a kind of scaffold of the present invention, comprises a vertical bar 1, four horizontal bars 2, at least one oblique bar 3, a bowl fastener 4 and a set on the vertical bar 1 The plate 5 is connected to the slot connecting the cross bar 2 and the oblique bar 3, each cross bar 2 and the oblique bar 3 are respectively connected to the vertical bar 1, and the bowl fastener 4 is sleeved on the vertical bar 1 and is connected to the slot. Above the plate 5 , at least one stopper pin 6 for fixing the bowl fastener 4 is arranged on the vertical rod 1 above the socket connection plate 5 .

Please refer to Fig. 1 , Fig. 3 and Fig. 5 in combination. Four mortises 51 are evenly spaced on the socket connection plate 5, and a connecting platform 52 is arranged between two adjacent mortises 51, and each connecting platform 52 A socket 53 is provided on the top, a tenon 21 that matches the mortise 51 is provided at the end of each cross bar 2 , and a plug-in 31 that cooperates with the socket 53 is provided at the end of each diagonal bar 3 Among them, the cooperation between the mortise 51 and the tenon 21 can make the cross bar 2 more stable connected to the vertical bar 1, and each mortise 51 can be used as a more firmly connected step-shaped mortise.

Please refer to Fig. 6, the upper end surface of the bowl fastener 4 is a spiral slope 41, the tail end of the spiral slope 41 is provided with a through hole 42 for the passage of the limit pin 6, and the outer surface of the bowl fastener 41 is provided There is at least one rib 43 .

Please refer to Fig. 1, Fig. 3, Fig. 7 and Fig. 8, the plug-in part 31 includes a plug-in part 311 and a connection part 312 arranged at the end of the oblique bar 3, and one end of the plug-in part 311 is provided with a The plug 3111 of the socket 53, the other end of the insertion part 311 is a connecting part 3112, the connecting part 3112 is provided with a first through hole 7, and the connecting part 312 is provided with a second through hole 8, The connecting portion 3112 and the connecting portion 312 are connected through the first through hole 7 and the second through hole 8; in Embodiment 1 of the present utility model, the axis of the first through hole 7 is perpendicular to the plug-in direction of the plug 311 ( As shown in Figure 7), during connection, bolts 9 or rivets (not shown) are used to fasten after the first through hole 7 and the second through hole 8 are aligned. 1 and shown in Figure 2); in the second embodiment of the present utility model, the axis of the first through hole 7 is parallel to the plug-in direction of the plug 311 (as shown in Figure 8), when connected, the first through hole 7 After being aligned with the second through hole 8, bolts 9 or rivets are used to fasten. At this time, the oblique rod 3 is located on a horizontal plane (as shown in FIG. 3 and FIG. 4 ).

Working process: Weld and fix the slot connection plate 5 on the vertical pole 1, and four mortises 51 are evenly spaced on the slot connection plate 5, which are used to cooperate with the tenon 21 at the end of the cross bar 2, so that Connect the four horizontal bars 2 to the vertical bar 1; judge whether the inclined bar 3 needs to be located on the vertical plane or the horizontal plane according to the actual situation, if it needs to be located on the vertical plane, then select the socket 311 as shown in Figure 7, If it needs to be located on a horizontal plane, then select the plug-in part 311 as shown in Figure 8; and fastened with bolts 8, because the connecting part 312 is located at the end of the oblique rod 3, so that the insert 31 is fixedly connected to the oblique rod 3 as a whole, and then the plug 3111 of the insertion part 311 is inserted into the socket 53 to realize oblique The connection between the rod 3 and the vertical rod; after each horizontal rod 2 and oblique rod 3 are connected to the slot connection plate 5 on the vertical rod 1, the bowl fastener 4 sleeved on the vertical rod 1 is rotated to make the bowl fastener The through hole 42 of 4 is aligned with the limit pin 6 on the vertical rod 1 and slides down. When the limit pin 6 completely escapes from the through hole 42 and is located on the spiral slope 41, rotate the bowl fastener 4 clockwise, and then use a hammer (not As shown in the figure) Knock the convex strip 43 of the bowl fastener 4 so that the bowl fastener 4 fastens each horizontal bar 2 and the inclined bar 3, and the bowl fastener 4 itself is limited and fastened by the limit pin 6 located on the spiral slope 41 .

When scaffolding is manufactured, tenons 21 are welded at both ends of a horizontal bar 2 of a certain length, and connecting parts 312 are welded at both ends of a slanting bar 3 of a certain length. The connecting part 312 is provided with a second through hole 8, which can be selected according to actual needs. As shown in Fig. 7 or Fig. 8, the connecting part 311 is provided with a first through hole 7 on the connecting part 3112 of the plug part 311, and the bolt 9 is used after the first through hole 7 and the second through hole 8 are aligned. or rivet fastening to realize that the plug-in 31 is integrally fastened to the end of the inclined bar 3; the slot connection plates 5 are welded and fixed on the vertical bar 1 at a certain interval, and the bowl fasteners 4 are put on, and each slot connection plate 5 A limit pin 6 is welded at a certain height on the side of the upper pole 1, which is convenient for on-site connection; when connecting on site, after the through hole 42 of the bowl fastener 4 is aligned with the limit pin 6, the bowl fastener 4 can be pulled upwards Lift up (slide upward along the vertical bar), align the tenon 21 at the end of the cross bar 2 in each direction, the plug 3111 of the insertion part 311 on the end of each oblique bar 3 with the mortise 51, Jack 53, then slide the bowl fastener 4 down along the limit pin 6 on the side of the vertical bar 1, and rotate clockwise to buckle the tenon 21 at the end of the cross bar 2 and the insertion part at the end of the inclined bar 3 311, tap the convex strip 43 of the bowl fastener 4 several times with a hammer, so that the spiral slope 41 of the bowl fastener 4 and the limit pin 6 are pinned and wedged tightly, and the requirements for fastening the horizontal bar 2 and the inclined bar 3 can be achieved . With this connection method, not only the horizontal bar 2 and the oblique bar 3 will not break away from the vertical bar 1 under the action of horizontal force, but also the horizontal bar 2 and the oblique bar 3 can pass through the bowl buckle on the vertical bar 1 when they are subjected to a vertical upward load. The piece 4 buckles the tenon 21 at the end of the cross bar 2 and the insertion part 311 of the diagonal bar 3 so that the cross bar 2 and the diagonal bar 3 will not fall off.

To sum up, the utility model has the following advantages: 1. The structure is simple and the design is reasonable. Each cross bar and oblique bar are independently connected to the slot connection plate provided on the vertical bar, which avoids any cross bar in the traditional scaffolding. Or the connection between the oblique rod and the vertical rod is damaged, which leads to the damage of the connection between the vertical rod and other horizontal rods or oblique rods; 2. The slot connection plate and bowl fastener of the scaffold are independent, which is convenient for construction personnel to quickly disassemble and replace; 3 , The vertical rod, the horizontal rod, and the oblique rod are connected by the slot connection plate, and then fixed by the bowl buckle, the structure is stable and the safety factor is high; 4. The slot connection plate can not only effectively connect all the rods, but also because the slot connection plate It is set on the vertical rod, and the axes of each rod meet at one point, all axial force, no additional stress, good mechanical properties, reliable connection, good integrity of the scaffold formed; 5, vertical rod and horizontal rod, oblique The connection nodes formed by connecting the rods through the slot connection plates can withstand vertical upward or downward loads, and can withstand certain bending moments, punching shears and torques, so that the scaffolds form a space structure support with good stability, suitable for It is a dual-purpose external scaffold for building construction and decoration of high-rise buildings, and can also be used as a support frame for formwork. It is a connection structure that can be used for multifunctional scaffolding.

In addition, the present utility model is not limited to the above-mentioned embodiments. For those skilled in the art, any obvious improvements or changes made to the above-mentioned embodiments will not exceed the concept of the present utility model and the scope of the appended claims. protected range.

Claims (4)

1. A connection structure for scaffolding, comprising a vertical bar, four cross bars and at least one oblique bar, each of the horizontal bars and the oblique bars is connected to the vertical bar respectively, characterized in that: the connection structure also includes a bowl buckle part and a slot connection plate arranged on the vertical rod to connect the horizontal bar and the oblique rod, the bowl fastener is set on the vertical rod and is located above the slot connection plate, and the vertical connection plate above the slot connection plate The rod is provided with at least one limit pin for fixing the bowl fastener; four mortises are evenly spaced on the slot connection plate, and a connecting platform is provided between two adjacent mortises, and each A socket is provided on the connecting platform, a tenon that matches the mortise is provided at the end of each cross bar, and a plug-in that cooperates with the socket is provided at the end of each inclined bar. 2. The connection structure of a scaffold as claimed in claim 1, characterized in that: the upper end surface of the bowl fastener is a spiral slope, and the tail end of the spiral slope is provided with a hole for the limit pin to pass through. through holes, and the outer surface of the mouth piece is provided with at least one convex strip. 3. The connection structure of a scaffold as claimed in claim 1, characterized in that: the plug-in part comprises a plug-in part and a connecting part arranged at the end of the diagonal bar, and one end of the plug-in part is provided with a The plug for inserting into the socket, the other end of the insertion part is a connecting part, the connecting part is provided with a first through hole, the connecting part is provided with a second through hole, and the connecting part The connecting portion is connected through the first through hole and the second through hole, and the axis of the first through hole is parallel or perpendicular to the plug-in/out direction of the plug. 4. A scaffolding connection structure according to claim 1, characterized in that: each said mortise is a stepped mortise.

Images