Connecting fitting for scaffold

Abstract

The utility model relates to the technical field of scaffold accessories, and provides a connecting accessory for a scaffold, which comprises a first connecting clamping plate and a second connecting clamping plate, the middle of the first connecting clamping plate and the middle of the second connecting clamping plate are both provided with semicircular bayonets, and the two sides of the first connecting clamping plate and the two sides of the second connecting clamping plate are provided with extension plates. The clamping openings in the upper side and the lower side are arranged in a crossed mode, the extending plate positions of the first connecting clamping plate and the second connecting clamping plate are attached to each other, and the semicircular clamping opening of the first connecting clamping plate is sleeved with a fixing lantern ring. And then the fixed lantern ring is rotated to an expandable position to be expanded, so that the first connecting clamping plate and the second connecting clamping plate can be separated, and the fixed lantern ring can be disassembled.

Description

Technical Field

[0001] This utility model relates to the field of scaffolding accessories technology, specifically to a connecting accessory for scaffolding. Background Technology

[0002] Scaffolding is a working platform erected to ensure the smooth progress of various construction processes. It can be classified according to its location as external scaffolding or internal scaffolding; according to its material as wooden scaffolding, bamboo scaffolding, or steel pipe scaffolding; and according to its structural form as pole-type scaffolding, bridge-type scaffolding, frame-type scaffolding, suspended scaffolding, hanging scaffolding, cantilever scaffolding, or climbing scaffolding.

[0003] A search revealed an existing patent (CN210530309U) that discloses a scaffolding connector, including a fixing block. A connecting pipe is fixedly connected to the upper end of the fixing block. A through hole is provided in the middle of the connecting pipe. A fastening pipe is fixedly connected to the upper end of the connecting pipe. An upper connector is slidably sleeved on the upper end of the fastening pipe. Symmetrical clearance grooves are provided on the side of the upper connector. A positioning groove is provided at the lower end of the upper connector. A lower connector is fixedly connected to the lower end of the fixing block. The structural components of the lower connector are the same as those of the upper connector. A left connector is fixedly connected to the left side of the fixing block. The structural components are the same as those of the upper connector. A right connector is fixedly connected to the right side of the fixing block. The structural components of the right connector are the same as those of the upper connector. The upper, lower, left, and right connectors of this device facilitate quick connection of steel pipes and prevent rotation of the steel pipes. This not only improves the erection speed of the scaffolding but also enhances its stability, thereby improving its safety. Furthermore, the upper, lower, left, and right connectors facilitate easy installation and disassembly, simplifying future replacement and maintenance and reducing the operating cost of the scaffolding. The upper, lower, left, and right connectors of this invention facilitate quick connection of steel pipes and prevent rotation of the steel pipes. This not only improves the erection speed of the scaffolding but also enhances its stability, thereby improving its safety. Furthermore, the upper, lower, left, and right connectors facilitate easy installation and disassembly, simplifying future replacement and maintenance and reducing the operating cost of the scaffolding.

[0004] However, in the above solution, the connector is suitable for connecting multiple separate steel pipes. Since some scaffolding steel pipes are arranged in a cross pattern, it is not suitable for connecting multiple cross-arranged steel pipes. Furthermore, multiple steel pipes need to be disassembled separately during disassembly, which is not convenient.

[0005] In view of this, the present invention proposes a connecting accessory for scaffolding. Utility Model Content

[0006] This utility model proposes a connecting accessory for scaffolding, which solves the problem that the connecting accessory is suitable for connecting multiple separate steel pipes in the related technology, but some scaffolding steel pipes are arranged in a cross pattern, so it is not suitable for connecting multiple cross-arranged steel pipes, and disassembly requires disassembling multiple steel pipes separately, which is not convenient.

[0007] The technical solution of this utility model is as follows: A connecting accessory for scaffolding includes a first connecting plate and a second connecting plate. Both the first and second connecting plates have a semi-circular notch in the middle. Extension plates are provided on both sides of the first and second connecting plates. The notches on the upper and lower sides are intersected. The extension plates of the first and second connecting plates are positioned close to each other. A fixing collar is fitted outside the semi-circular notch of the first connecting plate. A first frame pipe is fitted inside the first connecting plate, and a second frame pipe is fitted inside the second connecting plate. A first insertion port is provided inside the extension plates of both the first and second connecting plates. The two ends of the fixing collar are inserted into the two ends of the first connecting plate. Inside the side extension plate, the bottom of the fixing collar penetrates the middle of both sides of the second connecting plate. The fixing collar is composed of two spliced ​​sections, and a hinge is provided at the bottom connecting end of the fixing collar. The two fixing collar sections are rotatably connected by the hinge. A connecting assembly piece is fixedly connected to the top of each of the two fixing collar sections. The connecting assembly pieces on both sides are cross-fitted together. The interior of each connecting assembly piece on both sides has an intersecting insertion port. A rack is inserted into the interior of the insertion port. A fixing block is fixedly connected to the middle of the second connecting plate. The fixing block has second insertion ports on both sides. A partition plate is provided between the two second insertion ports. A connecting groove is provided inside the partition plate. Both sides of the connecting groove are connected to the second insertion ports. The rack... The other end is inserted into the interior of the second insertion port. A gear is rotatably connected inside the communicating groove. The gear meshes with a rack. A rotating connecting rod is fixedly connected to the top of the gear. A rotating handle is fixedly connected to the top of the rotating connecting rod. The rotating handle is located on the top of the fixing block. A third insertion port communicating with the interior of the communicating groove is opened on the top of the fixing block. The gear is adapted to be inserted into the interior of the third insertion port. Insert blocks are fixedly connected to the inner openings of the first connecting plate and the second connecting plate. An insertion hole is opened inside the second frame pipe. The insertion block is adapted to be inserted into the interior of the insertion hole. When the first frame pipe and the second frame pipe are vertically spliced ​​into a cross shape for fixing, the first connecting plate and the second connecting plate are connected by two... After the first and second frame pipes are connected to each other, the fixing collar is unfolded and inserted into the first insertion port on both sides to connect the first and second connecting plates. When the connecting assembly pieces on both sides are rotated to the sides of the fixing block, the rotating handle is held and rotated to rotate the rotating connecting rod and gear. The gear rotates and meshes with the racks on both sides, so that the racks are inserted into the insertion ports on both sides to fix the fixing collar. This locks the first and second frame pipes inside the first and second connecting plates. To disassemble, rotate the rotating handle to disengage the rack at the bottom from the insertion port, and then rotate the fixing collar to the unfoldable position to separate the first and second connecting plates and remove the fixing collar.

[0008] Preferably, the fixing collars are distributed inside both sides of the first connecting plate, and the fixing collars are symmetrically arranged on both sides of the second frame pipe.

[0009] Preferably, the first frame pipe is perpendicular to the bayonet of the second connecting plate, and the second frame pipe is perpendicular to the bayonet of the first connecting plate. By installing the first connecting plate and the second connecting plate, the first frame pipe and the second frame pipe can be vertically fixed.

[0010] Preferably, the hinge is located in the middle of the side of the second connecting plate extension plate away from the first connecting plate, the first insertion port is located on both sides of the middle of the two side extension plates of the second connecting plate, and the first insertion port inside the first connecting plate is opened at both ends of the two side extension plates of the first connecting plate. By inserting the fixing collar into the inside of the first insertion port, it can maintain a fixed state when the top rack is disengaged from the insertion port, thereby restricting the scaffold.

[0011] Preferably, the connecting groove is located in the middle of the fixed block, and the connecting groove communicates with the interior of the second insertion port, which is symmetrically arranged on both sides of the connecting groove.

[0012] Preferably, the gear, rotating connecting rod, and rotating handle are a removable rotating component combination, and the gear is adapted to be inserted and slides up and down inside the third insertion port.

[0013] Preferably, the toothed edge of the rack faces the center position inside the fixed block, and the toothed edges on both sides are arranged opposite each other.

[0014] Preferably, a plug is fixedly connected to the middle of the deepest part of the recess of the first connecting plate. The number of plug holes and plug blocks are both provided in multiples. The plug holes are pre-opened preset holes. By inserting the plug block into the plug hole, the positioning between the second connecting plate and the second frame pipe, as well as between the first connecting plate and the first frame pipe, can be achieved.

[0015] The beneficial effects of this utility model are as follows:

[0016] In this invention, when the first frame pipe and the second frame pipe are vertically spliced ​​into a cross shape for fixing, the first connecting plate and the second connecting plate cover the connection position of the first frame pipe and the second frame pipe from both sides and then fit together. The fixing collar is unfolded and inserted into the inside of the first insertion port on both sides to connect the first connecting plate and the second connecting plate. When the position of the connecting assembly piece on both sides is rotated to the sides of the fixing block, the rotating handle is held and rotated to make the rotating connecting rod and gear rotate. The gear rotates and meshes with the racks on both sides, so that the racks are inserted into the inside of the insertion port on both sides to fix the fixing collar. This locks the first frame pipe and the second frame pipe inside the first connecting plate and the second connecting plate. When disassembling, the rotating handle is rotated to make the rack at the bottom disengage from the insertion port, and then the fixing collar is rotated to the unfoldable position to unfold and separate the first connecting plate and the second connecting plate, and the fixing collar can be disassembled.

[0017] In this utility model, the first and second connecting plates can be installed to vertically fix the first and second frame pipes. The fixing collar can be inserted into the first insertion port to maintain a fixed state even when the top rack is disengaged from the insertion port, thereby restricting the scaffold. The insertion block can be inserted into the insertion hole to limit the movement between the second connecting plate and the second frame pipe, as well as between the first connecting plate and the first frame pipe. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a top view of the three-dimensional structure of the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of the present invention viewed from below;

[0021] Figure 3 This is a top view of the internal structure of this utility model;

[0022] Figure 4 This is a side view of the internal structure of this utility model;

[0023] Figure 5 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0024] In the diagram: 1. First connecting plate; 2. Second connecting plate; 3. First frame pipe; 4. Second frame pipe; 5. First insertion port; 6. Fixing collar; 7. Connecting assembly piece; 8. Hinge; 9. Insertion port; 10. Rack; 11. Fixing block; 12. Second insertion port; 13. Connecting groove; 14. Third insertion port; 15. Gear; 16. Rotating connecting rod; 17. Rotating handle; 18. Insertion block; 19. Insertion hole. Detailed Implementation

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model. Example 1

[0026] A preferred embodiment of the connecting fitting for scaffolding provided by this utility model is as follows: Figures 1 to 5As shown: A connecting fitting for scaffolding includes a first connecting plate 1 and a second connecting plate 2. Both the first connecting plate 1 and the second connecting plate 2 have a semi-circular notch in the middle. Extension plates are provided on both sides of the first connecting plate 1 and the second connecting plate 2. The notches on the upper and lower sides are intersected. The extension plates of the first connecting plate 1 and the second connecting plate 2 are positioned to fit together. A fixing collar 6 is fitted outside the semi-circular notch of the first connecting plate 1. A first scaffolding pipe 3 is fitted inside the first connecting plate 1. A second scaffolding pipe 3 is fitted inside the second connecting plate 2. The frame pipe 4, the first connecting plate 1, and the extension plates of the second connecting plate 2 all have first insertion ports 5. The two ends of the fixing collar 6 are inserted into the interior of the extension plates on both sides of the first connecting plate 1. The bottom of the fixing collar 6 penetrates the middle of the extension plates on both sides of the second connecting plate 2. The fixing collar 6 is arranged in two segments. A hinge 8 is provided at the bottom connecting end of the fixing collar 6. The two segments of the fixing collar 6 are rotatably connected by the hinge 8. Connecting assembly pieces 7 are fixedly connected to the top of both segments of the fixing collar 6. The connecting assembly pieces 7 on both sides are cross-fitted together. Each connecting assembly piece 7 has interconnected slots 9 inside, and a rack 10 is inserted into each slot 9. A fixing block 11 is fixedly connected to the middle of the second connecting plate 2. A second insertion port 12 is formed on both sides of the fixing block 11, and a partition plate is provided between the two second insertion ports 12. A connecting groove 13 is formed inside the partition plate, and both sides of the connecting groove 13 communicate with the second insertion ports 12. The other end of the rack 10 is inserted into the second insertion port 12. A gear 15 is rotatably connected inside the connecting groove 13, and the gear 15 is connected to the rack. 10 mesh with each other. A rotating connecting rod 16 is fixedly connected to the top of the gear 15. A rotating handle 17 is fixedly connected to the top of the rotating connecting rod 16. The rotating handle 17 is located on the top of the fixed block 11. A third insertion port 14 communicating with the inside of the connecting groove 13 is opened on the top of the fixed block 11. The gear 15 is adapted to be inserted into the inside of the third insertion port 14. Insert blocks 18 are fixedly connected to the inner openings of the first connecting plate 1 and the second connecting plate 2. An insertion hole 19 is opened inside the second frame pipe 4. The insertion block 18 is adapted to be inserted into the inside of the insertion hole 19.

[0027] It should be noted that the existing connector still has some shortcomings. The connector is suitable for connecting multiple separate steel pipes, but some scaffolding steel pipes are arranged in a cross pattern. It is not suitable for connecting multiple cross-arranged steel pipes. Moreover, multiple steel pipes need to be disassembled separately during disassembly, which is not convenient.

[0028] In this embodiment, when the first frame pipe 3 and the second frame pipe 4 are vertically spliced ​​into a cross shape for fixing, the first connecting plate 1 and the second connecting plate 2 are covered from both sides at the connection positions of the first frame pipe 3 and the second frame pipe 4 and then attached to each other. The fixing collar 6 is unfolded and inserted into the inside of the first insertion port 5 on both sides to connect the first connecting plate 1 and the second connecting plate 2. When the positions of the connecting assembly pieces 7 on both sides are rotated to the sides of the fixing block 11, the rotating handle 17 is held and rotated to rotate the rotating connecting rod 16 and the gear 15. The gear 15 rotates and meshes with the racks 10 on both sides, so that the racks 10 are inserted into the inside of the insertion ports 9 on both sides, and the fixing collar 6 is fixed. This locks the first frame pipe 3 and the second frame pipe 4 inside the first connecting plate 1 and the second connecting plate 2. When disassembling, the rotating handle 17 is rotated to disengage the rack 10 at the bottom from the insertion port 9. Then the fixing collar 6 is rotated to the unfoldable position to unfold and separate the first connecting plate 1 and the second connecting plate 2, and the fixing collar 6 can be disassembled.

[0029] In a further preferred embodiment of the present invention, the fixing rings 6 are distributed inside both sides of the first connecting plate 1, and the fixing rings 6 are symmetrically arranged on both sides of the second frame pipe 4.

[0030] In a further preferred embodiment of the present invention, the first frame pipe 3 is perpendicular to the bayonet of the second connecting plate 2, and the second frame pipe 4 is perpendicular to the bayonet of the first connecting plate 1.

[0031] In this embodiment, the first frame pipe 3 and the second frame pipe 4 can be vertically fixed by installing the first connecting plate 1 and the second connecting plate 2.

[0032] In a further preferred embodiment of the present invention, the hinge 8 is located in the middle of the side of the extension plate of the second connecting plate 2 away from the first connecting plate 1, the first insertion port 5 is located on both sides of the middle of the extension plates of the second connecting plate 2, and the first insertion port 5 inside the first connecting plate 1 is opened at both ends of the extension plates of the first connecting plate 1.

[0033] In this embodiment, the fixing collar 6 is inserted into the first insertion port 5, which can maintain the fixed state even when the top rack 10 is disengaged from the insertion port 9, thereby restricting the scaffold. Example 2

[0034] Based on Embodiment 1, a preferred embodiment of the connecting fitting for scaffolding provided by this utility model is as follows: Figures 1 to 5 As shown: the connecting groove 13 is located in the middle of the fixed block 11. The connecting groove 13 is connected to the interior of the second insertion port 12. The second insertion port 12 is symmetrically arranged on both sides of the connecting groove 13.

[0035] In a further preferred embodiment of the present invention, the gear 15, the rotating connecting rod 16 and the rotating handle 17 are a removable rotating component combination, and the gear 15 is adapted to be inserted and slides up and down inside the third insertion port 14.

[0036] In a further preferred embodiment of this utility model, the toothed edge of the rack 10 faces the center position inside the fixed block 11, and the toothed edges on both sides are arranged opposite to each other.

[0037] In a further preferred embodiment of the present invention, a plug block 18 is fixedly connected to the middle of the deepest part of the recess of the first connecting plate 1. Multiple plug holes 19 and plug blocks 18 are provided, and the plug hole 19 is a pre-opened preset hole.

[0038] In this embodiment, by inserting the plug 18 into the socket 19, the second connecting plate 2 and the second frame pipe 4, as well as the first connecting plate 1 and the first frame pipe 3, can be limited.

[0039] The working principle of this utility model is as follows: When the first frame pipe 3 and the second frame pipe 4 are vertically spliced ​​into a cross shape for fixation, the first connecting plate 1 and the second connecting plate 2 are covered from both sides at the connection positions of the first frame pipe 3 and the second frame pipe 4 and then fitted together. The fixing collar 6 is unfolded and inserted into the inside of the first insertion port 5 on both sides to connect the first connecting plate 1 and the second connecting plate 2. When the positions of the connecting assembly pieces 7 on both sides are rotated to the sides of the fixing block 11, the rotating handle 17 is held and rotated to rotate the rotating connecting rod 16 and the gear 15. The gear 15 rotates and meshes with the racks 10 on both sides, so that the racks 10 are inserted into the inside of the insertion ports 9 on both sides, thus fixing the fixing collar 6. The first frame pipe 3 and the second frame pipe 4 inside the first connecting plate 1 and the second connecting plate 2 are locked. When disassembling, rotate the rotating handle 17 to disengage the bottom rack 10 from the socket 9, and then rotate the fixing collar 6 to the unfoldable position to separate the first connecting plate 1 and the second connecting plate 2. The fixing collar 6 can then be disassembled. The fixing collar 6 is inserted into the first insertion port 5 and can remain fixed even when the top rack 10 is disengaged from the socket 9, thereby restricting the scaffold. Inserting the plug 18 into the socket 19 can limit the movement between the second connecting plate 2 and the second frame pipe 4, as well as between the first connecting plate 1 and the first frame pipe 3.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A connecting fitting for scaffolding, characterized in that, Includes a first connecting plate (1) and a second connecting plate (2): the middle of the first connecting plate (1) and the second connecting plate (2) are both semi-circular bayonets, the first connecting plate (1) and the second connecting plate (2) are provided with extension plates on both sides, the bayonets on the upper and lower sides are intersected, the extension plates of the first connecting plate (1) and the second connecting plate (2) are in close contact with each other, a fixing collar (6) is fitted outside the semi-circular bayonet of the first connecting plate (1), a first frame pipe (3) is fitted inside the first connecting plate (1), and a second frame pipe (4) is fitted inside the second connecting plate (2). The first insertion port (5) is provided inside the extension plate of the first connecting plate (1) and the second connecting plate (2). The two ends of the fixing collar (6) are inserted into the inside of the extension plates on both sides of the first connecting plate (1). The bottom of the fixing collar (6) passes through the middle of the extension plates on both sides of the second connecting plate (2). The fixing collar (6) is set in two sections. The bottom connecting end of the fixing collar (6) is provided with a hinge (8). The two sections of the fixing collar (6) are rotatably connected by the hinge (8). The top of the two sections of the fixing collar (6) is fixedly connected with a connecting assembly piece (7). The connecting assembly pieces (7) on both sides are cross-fitted together. The inside of the connecting assembly pieces (7) on both sides is provided with a connecting... A through-hole (9) is provided, and a rack (10) is inserted into the inside of the through-hole (9). A fixing block (11) is fixedly connected to the middle of the second connecting plate (2). A second insertion port (12) is provided on both sides of the inside of the fixing block (11). A partition plate is provided between the two second insertion ports (12). A connecting groove (13) is provided inside the partition plate. Both sides of the connecting groove (13) are connected to the second insertion port (12). The other end of the rack (10) is inserted into the inside of the second insertion port (12). A gear (15) is rotatably connected inside the connecting groove (13). The gear (15) meshes with the rack (10). A rotating connecting rod (16) is fixedly connected to the top of the wheel (15), and a rotating handle (17) is fixedly connected to the top of the rotating connecting rod (16). The rotating handle (17) is located on the top of the fixed block (11). A third insertion port (14) communicating with the inside of the connecting groove (13) is opened on the top of the fixed block (11). The gear (15) is adapted to be inserted into the inside of the third insertion port (14). Insert blocks (18) are fixedly connected to the inner openings of the first connecting plate (1) and the second connecting plate (2). An insertion hole (19) is opened inside the second frame pipe (4). The insertion block (18) is adapted to be inserted into the inside of the insertion hole (19).

2. The connecting fitting for scaffolding according to claim 1, characterized in that, The fixing collars (6) are distributed inside both sides of the first connecting plate (1), and the fixing collars (6) are symmetrically arranged on both sides of the second frame pipe (4).

3. A connecting fitting for scaffolding according to claim 1, characterized in that, The first frame pipe (3) is perpendicular to the bayonet of the second connecting plate (2), and the second frame pipe (4) is perpendicular to the bayonet of the first connecting plate (1).

4. A connecting fitting for scaffolding according to claim 1, characterized in that, The hinge (8) is located in the middle of the extension plate of the second connecting plate (2) away from the first connecting plate (1). The first insertion port (5) is located on both sides of the middle of the extension plates of the second connecting plate (2). The first insertion port (5) inside the first connecting plate (1) is opened at both ends of the extension plates of the first connecting plate (1).

5. A connecting fitting for scaffolding according to claim 1, characterized in that, The connecting groove (13) is located in the middle of the fixed block (11). The connecting groove (13) is connected to the interior of the second insertion port (12). The second insertion port (12) is symmetrically arranged on both sides of the connecting groove (13).

6. A connecting fitting for scaffolding according to claim 1, characterized in that, The gear (15), rotating connecting rod (16) and rotating handle (17) are a removable rotating assembly, and the gear (15) is adapted to be inserted and slides up and down inside the third insertion port (14).

7. A connecting fitting for scaffolding according to claim 1, characterized in that, The teeth of the rack (10) face the center of the fixed block (11), and the teeth on both sides are arranged opposite each other.

8. A connecting fitting for scaffolding according to claim 1, characterized in that, A plug (18) is fixedly connected to the middle of the deepest part of the recess of the first connecting plate (1). The number of plug holes (19) and plug blocks (18) are both provided in multiples. The plug holes (19) are pre-opened preset holes.

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