Multi-angle connecting device for steel pipe scaffold

Abstract

The invention discloses a steel pipe scaffold multi-angle connecting device, and relates to the field of scaffold engineering. Comprising a cross-shaped connecting piece; the device further comprises an inclined connecting plate. A first through hole for a horizontal rod of the scaffold to penetrate through is formed in the inclined connecting plate, and a convex tooth part is arranged on one surface of the inclined connecting plate; a rectangular hole is also formed in the inclined connecting plate; the two ends of the scaffold inclined supporting rod are connected with socket and spigot plates. A second through hole is formed in the socket plate; an insertion rod is further included. Firstly, the cross-shaped connecting piece is in threaded connection with the scaffold vertical rod, and the convex tooth part of the inclined connecting plate is clamped in the tooth-shaped groove of the cross-shaped connecting piece; an inserting rod penetrates through the second through hole and the rectangular hole to connect the inclined connecting plate and the socket plate, so that the connection between the scaffold inclined supporting rod and the inclined connecting plate is realized, and the connection between the scaffold inclined supporting rod and the scaffold vertical rod is realized; the scaffold horizontal rod is inserted into the horizontal hole of the cross-shaped connecting piece so as to be connected with the scaffold vertical rod, operation is easy, and efficiency is high.

Description

Technical Field

[0001] The invention relates to the field of scaffolding engineering, and in particular to a multi-angle connecting device for a steel pipe scaffolding. Background Art

[0002] Scaffolding is not only a working frame for formwork, steel bars and concrete construction, but also a safety protection frame for workers. It is a common supporting facility used in construction. It has the advantages of high spatial structural strength, good overall stability, fast construction speed and easy management.

[0003] In the traditional installation of steel pipe scaffolding, the scaffolding uprights and scaffolding cross bars are connected by fasteners, and the scaffolding uprights and scaffolding diagonal braces are also connected by fasteners, so as to realize multi-angle connection between steel pipe scaffoldings; after the fasteners are sleeved on the steel pipe scaffolding, each fastener needs to be bolted separately, which has low operation efficiency.

[0004] Therefore, a multi-angle connection device for a steel pipe scaffold is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a multi-angle connection device for steel pipe scaffolding to solve the problem of low efficiency of multi-angle connection between existing steel pipe scaffoldings through fasteners.

[0006] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows: A multi-angle connection device for a steel pipe scaffold, wherein an external thread is provided on a scaffold upright pole, and the cross-shaped connection piece is provided with a vertical through hole in the middle of the cross-shaped connection piece, and an internal thread matching the external thread of the scaffold upright pole is provided on the wall of the vertical through hole; the cross-shaped connection piece is threadedly connected with the scaffold upright pole through the internal thread of the vertical through hole; the cross-shaped connection piece is provided with horizontal holes matching the pipe diameter of the scaffold horizontal pole on its front arm, rear arm, left arm and right arm; the cross-shaped connection piece is provided with toothed grooves around the horizontal hole at the ends of its front arm, rear arm, left arm and right arm; It also includes an oblique connecting plate; the oblique connecting plate is provided with a first through hole for the horizontal rod of the scaffold to pass through; one side of the oblique connecting plate is provided with a convex tooth portion along a circle around the first through hole, the convex tooth portion matches the tooth-shaped groove; the convex tooth portion is clamped in the tooth-shaped groove of the cross-shaped connecting piece; the oblique connecting plate is also provided with a rectangular hole; Both ends of the scaffolding diagonal support rod are connected with a socket plate, and the socket plate and the scaffolding diagonal support rod are in the same plane; the socket plate is provided with a second through hole of the same size as the rectangular hole; it also includes an insertion rod, the shape and size of the insertion rod cross section matches the rectangular hole; the insertion rod connects the diagonal connecting plate and the socket plate by passing through the second through hole and the rectangular hole in sequence.

[0007] Furthermore, a tooth-shaped groove matching the convex tooth portion is also formed on the other side of the oblique connecting plate along a circle around the first through hole.

[0008] Furthermore, it also includes a socket-shaped circular sleeve; a threaded rod is connected to one end of the socket-shaped circular sleeve, and the threaded rod is coaxial with the socket-shaped circular sleeve; the cross-shaped connecting piece is provided with horizontal holes matching the diameter of the horizontal rod of the scaffolding on its front arm, rear arm, left arm and right arm, which is replaced by: the cross-shaped connecting piece is provided with horizontal holes on its front arm, rear arm, left arm and right arm, and the wall of the horizontal hole is provided with internal threads matching the external threads of the threaded rod; the inner diameter of the socket-shaped circular sleeve matches the diameter of the horizontal rod of the scaffolding; the oblique connecting plate is provided with a first through hole for the horizontal rod of the scaffolding to pass through, which is replaced by: the oblique connecting plate is provided with a first through hole for the threaded rod to pass through.

[0009] Furthermore, one end of the socket sleeve is circumferentially connected with an annular limiting plate; when the threaded rod is completely screwed into the internal thread of the horizontal hole, the annular limiting plate abuts against the other side of the oblique connecting plate, thereby limiting the oblique connecting plate.

[0010] Furthermore, two socket plates are respectively connected to the two ends of the scaffolding diagonal support rod; when the socket plate is connected to the diagonal connecting plate and the socket plate by passing through the second through hole and the rectangular hole in sequence, the two socket plates located at one end of the scaffolding diagonal support rod are respectively pressed against one side and the other side of the diagonal connecting plate.

[0011] Furthermore, one end of the plug rod is connected to a limit block; it also includes a latch pin, and the plug rod is also provided with a latch pin hole; when the plug rod passes through the second through hole and the rectangular hole in sequence to connect the oblique connecting plate and the socket plate, the limit block is located on the outside of one of the socket plates at one end of the oblique support rod of the scaffolding, and the latch pin hole is located on the outside of the other socket plate at one end of the oblique support rod of the scaffolding; the latch pin is inserted into the latch pin hole.

[0012] Compared with the prior art, the present invention has the following beneficial effects: First, the cross-shaped connector is threadedly connected to the scaffolding upright pole, and the convex teeth of the oblique connecting plate are clamped in the toothed groove of the cross-shaped connector; the oblique connecting plate is provided with a rectangular hole, and both ends of the scaffolding oblique support rod are connected with a socket plate, and the socket plate is provided with a second through hole, and the oblique connecting plate and the socket plate are connected by an insertion rod passing through the second through hole and the rectangular hole, so as to realize the connection between the scaffolding oblique support rod and the oblique connecting plate, thereby realizing the connection between the scaffolding oblique support rod and the scaffolding upright pole; the scaffolding horizontal rod is inserted into the horizontal hole of the cross-shaped connector to connect the scaffolding upright pole. The above process of multi-angle connection between steel pipe scaffoldings is simple to operate and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of a scaffolding pole of the present invention.

[0014] Figure 2 Schematic diagram of a cross-shaped connector.

[0015] Figure 3It is the overall schematic diagram of the oblique connecting plate.

[0016] Figure 4 It is the front view of the oblique connecting plate.

[0017] Figure 5 It is a schematic diagram of the connection between the oblique connecting plate and the socket plate.

[0018] Figure 6 It is a schematic diagram of the connection between the cross-shaped connector, the oblique connecting plate, and the socket-and-spigot circular sleeve.

[0019] Figure 7 It is a top view of the present invention in use state.

[0020] Figure 8 It is a three-dimensional schematic diagram of the scaffolding uprights, cross-shaped connectors, and diagonal connecting plates.

[0021] The meanings of the numbers in the figure are as follows: 1. Scaffolding upright; 2. Cross-shaped connecting piece; 2a. Vertical through hole; 2b. Horizontal hole; 2c. Toothed groove; 3. Oblique connecting plate; 3a. Protruding tooth portion; 3b. Rectangular hole; 3c. First through hole; 4. Socket plate; 5. Insert rod; 5a. Limit block; 5b. Pin; 5c. Pin hole; 6. Socket circular sleeve; 6a. Annular limit plate; 7. Threaded rod; 8. Scaffolding diagonal support rod. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings and specific implementation methods. The described embodiment is one embodiment of the present invention, and the present invention may also have other implementation methods.

[0023] Example: See also Figure 1 to Figure 6 , Figure 8 The present invention discloses a multi-angle connection device for a steel pipe scaffold. The scaffold upright pole 1 is provided with an external thread, including a cross-shaped connection piece 2; a vertical through hole 2a is opened in the middle of the cross-shaped connection piece 2, and an internal thread matching the external thread of the scaffold upright pole 1 is provided on the hole wall of the vertical through hole 2a; the cross-shaped connection piece 2 is threadedly connected with the scaffold upright pole 1 through the internal thread of the vertical through hole 2a; the cross-shaped connection piece 2 is provided with horizontal holes 2b matching the pipe diameter of the scaffold horizontal pole at its front arm, rear arm, left arm and right arm; the cross-shaped connection piece 2 is provided with toothed grooves 2c around the horizontal hole 2b at the ends of its front arm, rear arm, left arm and right arm; It also includes an oblique connecting plate 3; the oblique connecting plate 3 is provided with a first through hole 3c for the horizontal rod of the scaffold to pass through; one side of the oblique connecting plate 3 is provided with a convex tooth portion 3a along a circle around the first through hole 3c, and the convex tooth portion 3a matches the tooth-shaped groove 2c; the convex tooth portion 3a is clamped in the tooth-shaped groove 2c of the cross-shaped connecting member 2; the oblique connecting plate 3 is also provided with a rectangular hole 3b; Both ends of the scaffolding diagonal support rod 8 are connected with a socket plate 4, and the socket plate 4 and the scaffolding diagonal support rod 8 are in the same plane; the socket plate 4 has a second through hole of the same size as the rectangular hole 3b; it also includes an insertion rod 5, the shape and size of the cross-section of the insertion rod 5 match the rectangular hole 3b; the insertion rod 5 connects the diagonal connecting plate 3 and the socket plate 4 by passing through the second through hole and the rectangular hole 3b in sequence.

[0024] In this embodiment, the scaffolding uprights 1 and the scaffolding diagonal bracing rods 8 are both steel pipes. First, the cross-shaped connector 2 is threadedly connected to the scaffolding uprights 1, and the convex tooth portion 3a of the diagonal connecting plate 3 is clamped in the toothed groove 2c of the cross-shaped connector 2; the diagonal connecting plate 3 is provided with a rectangular hole 3b, and both ends of the scaffolding diagonal bracing rod 8 are connected with a socket plate 4, and the socket plate 4 is provided with a second through hole, and the plug rod 5 is passed through the second through hole and the rectangular hole 3b to connect the diagonal connecting plate 3 and the socket plate 4, so as to realize the connection between the scaffolding diagonal bracing rod 8 and the diagonal connecting plate 3, thereby realizing the connection between the scaffolding diagonal bracing rod 8 and the scaffolding uprights 1; the scaffolding horizontal rod is inserted into the horizontal hole 2b of the cross-shaped connector 2 to connect the scaffolding uprights 1. The above-mentioned process of multi-angle connection between steel pipe scaffolds is simple to operate and efficient.

[0025] The right end of the socket plate 4 can also be set as a round steel pipe that matches the scaffolding diagonal brace 8. The right end of the socket plate 4 is connected with the scaffolding diagonal brace 8 through its round steel pipe. In this way, the socket plate 4 is easy to disassemble, and the disassembly of the socket plate 4 does not affect the reuse of the scaffolding diagonal brace 8 in other scenarios.

[0026] like Figure 6 As shown, the oblique connecting plate 3 of the present invention can be rotated to a suitable angle first, and then the convex tooth portion 3a can be clamped in the toothed groove 2c of the cross-shaped connecting member 2, so that the scaffolding diagonal brace 8 is located at different inclination angles, so as to adapt to different needs of scaffolding projects; the oblique connecting plate 3 can also be rotated to a horizontal direction, and then connected to the scaffolding diagonal brace 8, at this time, the scaffolding diagonal brace 8 can be used as a scaffolding horizontal rod. Compared with the traditional fastener-type steel pipe scaffolding, the technical solution of the present invention does not need to be fastened with bolts to achieve the connection of scaffolding components, the operation is simpler, and the efficiency of scaffolding erection is improved.

[0027] As a preferred embodiment, Figure 4 , Figure 7 As shown, a tooth-shaped groove 2c matching the convex tooth portion 3a is also formed on the other side of the oblique connecting plate 3 along a circle around the first through hole 3c.

[0028] In this embodiment, the number of oblique connecting plates 3 can be increased according to the demand, and the convex tooth portion 3a of the latter oblique connecting plate 3 is inserted into the toothed groove 2c of the former oblique connecting plate 3, so as to realize the connection between the scaffolding upright pole 1 and the scaffolding oblique supporting poles 8 of more different angles at the cross-shaped connecting member 2, which can better meet the engineering needs. Figure 7 As shown, the front arm, rear arm, left arm and right arm of the cross-shaped connecting member 2 are all connected to the oblique connecting plate 3, so that more scaffolding oblique support rods 8 of different angles can intersect at the cross-shaped connecting member 2.

[0029] As a preferred embodiment, see Figure 6 , Figure 7 , also includes a socket-shaped circular sleeve 6; one end of the socket-shaped circular sleeve 6 is connected to a threaded rod 7, and the threaded rod 7 is coaxial with the socket-shaped circular sleeve 6; the cross-shaped connector 2 is provided with horizontal holes 2b matching the diameter of the scaffolding horizontal rod on its front arm, rear arm, left arm and right arm, and is replaced by: the cross-shaped connector 2 is provided with horizontal holes 2b on its front arm, rear arm, left arm and right arm, and the hole wall of the horizontal hole 2b is provided with an internal thread matching the external thread of the threaded rod 7; the inner diameter of the socket-shaped circular sleeve 6 matches the diameter of the scaffolding horizontal rod; the oblique connecting plate 3 is provided with a first through hole 3c for the scaffolding horizontal rod to pass through, and is replaced by: the oblique connecting plate 3 is provided with a first through hole 3c for the threaded rod 7 to pass through.

[0030] In this embodiment, the scaffolding horizontal rod is inserted into the socket circular sleeve 6 to realize the connection between the scaffolding horizontal rod and the scaffolding vertical rod 1; the scaffolding horizontal rod is not directly inserted into the horizontal hole 2b of the cross-shaped connecting piece 2, but is transitioned through the socket circular sleeve 6, which avoids the stress concentration of the scaffolding horizontal rod on the cross-shaped connecting piece 2 when the scaffolding horizontal rod is subjected to force, thereby avoiding damage to the cross-shaped connecting piece 2.

[0031] As a preferred embodiment, see Figure 6 , Figure 7 One end of the socket sleeve 6 is circumferentially connected with an annular limiting plate 6a; when the threaded rod 7 is completely screwed into the internal thread of the horizontal hole 2b, the annular limiting plate 6a abuts against the other side of the oblique connecting plate 3, thereby limiting the oblique connecting plate 3.

[0032] In this embodiment, when the threaded rod 7 is completely screwed into the internal thread of the horizontal hole 2 b , the annular limiting plate 6 a abuts against the other side of the oblique connecting plate 3 , thereby limiting the position of the oblique connecting plate 3 .

[0033] As a preferred embodiment, see Figure 5, two ends of the scaffolding diagonal support rod 8 are respectively connected to two socket plates 4; when the plug rod 5 connects the diagonal connecting plate 3 and the socket plate 4 by passing through the second through hole and the rectangular hole 3b in sequence, the two socket plates 4 located at one end of the scaffolding diagonal support rod 8 are respectively pressed against one side and the other side of the diagonal connecting plate 3.

[0034] In this embodiment, when the insertion rod 5 connects the oblique connecting plate 3 and the socket plate 4 by passing through the second through hole and the rectangular hole 3b in sequence, the two socket plates 4 at one end of the scaffolding oblique support rod 8 are respectively pressed against one side and the other side of the oblique connecting plate 3. The two socket plates 4 are used to limit the movement of the oblique connecting plate 3 in the axial direction of the insertion rod 5, so that the oblique connecting plate 3 and the scaffolding oblique support rod 8 are connected more firmly.

[0035] As a preferred embodiment, see Figure 5 , one end of the plug rod 5 is connected to a limiting block 5a; it also includes a latch 5b, and the plug rod 5 is also provided with a latch hole 5c; when the plug rod 5 connects the oblique connecting plate 3 and the socket plate 4 by passing through the second through hole and the rectangular hole 3b in sequence, the limiting block 5a is located on the outside of one of the socket plates 4 at one end of the scaffolding oblique support rod 8, and the latch hole 5c is located on the outside of the other socket plate 4 at one end of the scaffolding oblique support rod 8; the latch 5b is inserted into the latch hole 5c.

[0036] In this embodiment, the insertion rod 5 is limited by the limiting block 5a and the latch pin 5b, thereby preventing the insertion rod 5 from being separated from the second through hole and the rectangular hole 3b during use of the device.

[0037] The terms “connection”, “fixation” and “docking” appearing in the description of the present invention may refer to fixed connection, processing and forming, welding or mechanical connection. The specific meanings of the above terms in the present invention shall be understood according to the specific circumstances.

[0038] In the description of the present invention, the terms "inside", "upper", "lower", "end", "side", "outside", etc., which indicate the orientation or position relationship, are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying a specific orientation that the device or element referred to must have, and therefore cannot be understood as a limitation on the present invention.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-angle connection device for a steel pipe scaffold, wherein the scaffold upright (1) is provided with an external thread, characterized in that: The cross-shaped connecting piece (2) comprises a cross-shaped connecting piece (2); a vertical through hole (2a) is formed in the middle of the cross-shaped connecting piece (2); an internal thread matching the external thread of the scaffolding upright pole (1) is formed on the wall of the vertical through hole (2a); the cross-shaped connecting piece (2) is threadedly connected to the scaffolding upright pole (1) via the internal thread of the vertical through hole (2a); the cross-shaped connecting piece (2) is formed with horizontal holes (2b) matching the pipe diameter of the scaffolding horizontal pole on its front arm, rear arm, left arm and right arm; and tooth-shaped grooves (2c) are formed on the ends of the front arm, rear arm, left arm and right arm of the cross-shaped connecting piece (2) along a circle around the horizontal hole (2b); It also includes an oblique connecting plate (3); the oblique connecting plate (3) is provided with a first through hole (3c) for the scaffolding horizontal rod to pass through; one side of the oblique connecting plate (3) is provided with a convex tooth portion (3a) along a circle around the first through hole (3c); the convex tooth portion (3a) matches the tooth-shaped groove (2c); the convex tooth portion (3a) is clamped in the tooth-shaped groove (2c) of the cross-shaped connecting member (2); the oblique connecting plate (3) is also provided with a rectangular hole (3b); Both ends of the scaffolding diagonal support rod (8) are connected to a socket plate (4), and the socket plate (4) and the scaffolding diagonal support rod (8) are in the same plane; the socket plate (4) is provided with a second through hole of the same size as the rectangular hole (3b); and also includes an insertion rod (5), the shape and size of the cross section of the insertion rod (5) matching the rectangular hole (3b); the insertion rod (5) connects the diagonal connecting plate (3) and the socket plate (4) by passing through the second through hole and the rectangular hole (3b) in sequence.

2. A multi-angle connection device for steel pipe scaffolding according to claim 1, characterized in that: The other side of the oblique connecting plate (3) is also provided with tooth-shaped grooves (2c) around the first through hole (3c) that match the convex tooth portion (3a).

3. A multi-angle connection device for steel pipe scaffolding according to claim 1, characterized in that: It also includes a socket-shaped circular sleeve (6); one end of the socket-shaped circular sleeve (6) is connected to a threaded rod (7), and the threaded rod (7) is coaxial with the socket-shaped circular sleeve (6); the cross-shaped connecting piece (2) is provided with horizontal holes (2b) matching the pipe diameter of the scaffolding horizontal rod on its front arm, rear arm, left arm and right arm, and is replaced by: the cross-shaped connecting piece (2) is provided with horizontal holes (2b) on its front arm, rear arm, left arm and right arm, and the hole wall of the horizontal hole (2b) is provided with internal threads matching the external threads of the threaded rod (7); the inner diameter of the socket-shaped circular sleeve (6) matches the pipe diameter of the scaffolding horizontal rod; the oblique connecting plate (3) is provided with a first through hole (3c) for the scaffolding horizontal rod to pass through, and is replaced by: the oblique connecting plate (3) is provided with a first through hole (3c) for the threaded rod (7) to pass through.

4. A multi-angle connection device for steel pipe scaffolding according to claim 3, characterized in that: One end of the socket sleeve (6) is connected to an annular limiting plate (6a) along the circumferential direction; when the threaded rod (7) is completely screwed into the internal thread of the horizontal hole (2b), the annular limiting plate (6a) abuts against the other side of the oblique connecting plate (3), thereby limiting the position of the oblique connecting plate (3).

5. The multi-angle connection device for steel pipe scaffolding according to claim 1 is characterized in that: Two socket plates (4) are respectively connected to the two ends of the scaffolding diagonal support rod (8); when the plug rod (5) connects the diagonal connecting plate (3) and the socket plate (4) by passing through the second through hole and the rectangular hole (3b) in sequence, the two socket plates (4) located at one end of the scaffolding diagonal support rod (8) are respectively close to one side and the other side of the diagonal connecting plate (3).

6. A multi-angle connection device for steel pipe scaffolding according to claim 5, characterized in that: One end of the plug rod (5) is connected to a limit block (5a); it also includes a latch pin (5b), and the plug rod (5) is also provided with a latch pin hole (5c); when the plug rod (5) connects the oblique connecting plate (3) and the socket plate (4) by sequentially passing through the second through hole and the rectangular hole (3b), the limit block (5a) is located outside one of the socket plates (4) at one end of the scaffolding oblique support rod (8), and the latch pin hole (5c) is located outside another socket plate (4) at one end of the scaffolding oblique support rod (8); the latch pin (5b) is inserted into the latch pin hole (5c).

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