Stainless steel pipe fastener
By designing stainless steel pipe fasteners with adjustable pads and repositioning plates, the problem of simultaneously fixing steel pipes of different shapes in existing technologies has been solved, enabling rapid fixing of round and rectangular pipes and improving fixing efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU JINLINDA METAL PRODUCTS CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-26
AI Technical Summary
Existing stainless steel pipe fasteners are difficult to use efficiently to fasten steel pipes of different shapes at the same time, especially round and rectangular pipes, resulting in low fastening efficiency.
A stainless steel pipe fastener was designed, comprising a base, a lifting assembly, a locking assembly, and a limiting assembly. By using a liftable pad and interchangeable arc-shaped and square plates, combined with the movement of a screw and a bidirectional lead screw, it is possible to fix steel pipes of different shapes.
It enables rapid fixing of circular and rectangular tubes, improves the efficiency of steel pipe fixing, and can be fixed in any position, enhancing fixing stability and efficiency.
Smart Images

Figure CN224414515U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stainless steel pipes, and in particular to a stainless steel pipe fastener. Background Technology
[0002] Stainless steel pipes can be classified into round pipes and shaped pipes according to their cross-sectional shape. Shaped pipes include rectangular pipes, rhomboid pipes, elliptical pipes, hexagonal pipes, octagonal pipes, and various asymmetrical cross-section pipes. Shaped pipes are widely used in various structural components, tools, and mechanical parts. Compared with round pipes, shaped pipes generally have a larger moment of inertia and section modulus, and greater bending and torsional resistance, which can greatly reduce structural weight and save steel.
[0003] Patent CN210757164U discloses a novel steel pipe fastener, including a base. The top of the base has symmetrically arranged slide rails, and each slide rail has multiple fixing pin holes on one side. The gaps between the fixing pin holes are the same. A support shell, which has an arch bridge structure, is embedded in the inner cavity of the slide rail. By providing slide rails on the base, processing workers can embed multiple support shells into the slide rails according to usage requirements. This allows for multi-point clamping and fixing of the steel pipe at any position during processing. Simultaneously, a positioning structure is connected to the support shell, enabling the fastener to conveniently fix the entire support shell position during use through the cooperation of the positioning structure and the fixing pin holes. This avoids the traditional method of using bolts for positioning, providing great convenience to steel pipe processing workers.
[0004] In the aforementioned patent, although steel pipes can be fixed, the supporting shell is arc-shaped (arch bridge type), and the bottom of the fastening plate in the clamping mechanism is also arc-shaped. This means that only round steel pipes can be fixed. For irregularly shaped pipes (such as rectangular pipes), the contact area between the rectangular pipe and the supporting shell and the fastening plate is limited, which makes the rectangular pipe easy to shake when fixed, thus making it inconvenient to fix rectangular pipes. In other words, it is not convenient to fix steel pipes of different shapes, reducing the fixing efficiency of steel pipes.
[0005] Therefore, it is necessary to provide a stainless steel pipe fastener to solve the above-mentioned technical problems. Utility Model Content
[0006] To solve the above-mentioned technical problems, this utility model provides a stainless steel pipe fastener.
[0007] This utility model provides a stainless steel pipe fastener, comprising: a base, an arc-shaped groove in the middle of the top of the base, a groove in the bottom of the inner wall of the arc-shaped groove, a pad that can be raised and lowered in the groove, two support plates that can be slidably provided at the top of the base, a screw threadedly connected to the top of each of the two support plates, a support frame rotatably connected to the bottom of each of the two screws, a rotating rod rotatably connected inside each of the two support frames, a shift plate sleeved on the outer wall of each of the two rotating rods, and an arc-shaped plate and a square plate respectively fixed at both ends of each of the two shift plates;
[0008] A lifting assembly is disposed in the groove and is connected to the pad plate to drive the movement of the pad plate;
[0009] Two locking components are respectively located at one end of the two rotating rods and are used to lock the rotating rods.
[0010] Preferably, the lifting assembly includes two lifting rods, both of which are hinged to the bottom end of the pad. A first slider is hinged to the bottom end of each of the two lifting rods. A first groove is provided at the bottom end of the inner wall of the groove for the first slider to slide. A first bidirectional screw is rotatably connected to the first slider in the first groove. One end of the first bidirectional screw extends to the outside of the base and is fixed with a first throttle handle.
[0011] Preferably, the locking assembly includes a fixing plate, which is fixedly mounted on one end of the rotating rod. A fixing rod is inserted and connected to one side of the fixing plate, and two fixing grooves adapted to the fixing rod are provided on one side of the support frame.
[0012] Preferably, a second slider is fixed on both sides of the pad, and a second groove is provided on both sides of the inner wall of the groove for the second slider to slide.
[0013] Preferably, both support plates are connected to the base via a limiting assembly, a movable block is fixed to one side of each of the two support plates, a third slider is fixed to one side of each of the two movable blocks, a third slide groove is provided on one side of the base for the third slider to slide, a second bidirectional screw threadedly connected to the third slider is rotatably connected in the third slide groove, one end of the second bidirectional screw extends through to the outside of the base and is fixed with a second handle.
[0014] Preferably, the limiting component includes two limiting blocks, which are respectively fixedly disposed on both sides of the bottom end of the support plate, and limiting grooves for sliding of the limiting blocks are provided on both sides of the top end of the base.
[0015] Compared with related technologies, the stainless steel pipe fastener provided by this utility model has the following beneficial effects:
[0016] 1. When fixing a round tube, the rotating rod is rotated to move the arc plate downwards, and then the round tube is placed in the arc groove. Under the movement of the screw, the support frame moves downwards, which in turn moves the arc plate downwards. In this way, the round tube can be fixed with the cooperation of the arc plate and the arc groove. When fixing a rectangular tube, the lifting component moves the pad upwards, so that the pad extends out of the groove. In this way, the rectangular tube can be placed on the pad. Then, the rotating rod is rotated again to move the square plate downwards. Then, under the movement of the screw, the square plate moves downwards. In this way, the rectangular tube can be fixed with the cooperation of the pad and the square plate. This allows for the fixing of steel pipes of different shapes, facilitating the rapid fixing of steel pipes and improving the fixing efficiency of steel pipes.
[0017] 2. When it is necessary to fix the steel pipe at any position, manually turn the second handle. The second handle drives the second double-acting screw to rotate. The second double-acting screw drives the two third sliders to move in opposite directions. The two third sliders drive the two moving blocks to move in opposite directions, thereby driving the two support plates to move in opposite directions. Adjust the distance between the two support plates to facilitate fixing the steel pipe at any position and improve the fixing efficiency of the steel pipe. Attached Figure Description
[0018] Figure 1 A structural schematic diagram of a stainless steel pipe fastener provided by this utility model;
[0019] Figure 2 A schematic diagram of the cross-sectional structure of the base of a stainless steel pipe fastener provided by this utility model;
[0020] Figure 3 A schematic diagram of a support frame structure for a stainless steel pipe fastener provided by this utility model;
[0021] Figure 4 This utility model provides a stainless steel pipe fastener. Figure 2 A magnified schematic diagram of the structure at point A in the middle.
[0022] The following are the labeling elements in the diagram: 1. Base; 2. Arc-shaped groove; 3. Groove; 4. Pad; 5. Support plate; 6. Screw; 7. Support frame; 8. Rotating rod; 9. Positioning plate; 10. Arc-shaped plate; 11. Square plate; 12. Lifting assembly; 121. Lifting rod; 122. First slider; 123. First slide groove; 124. First double-acting screw; 125. First throttle; 13. Locking assembly; 131. Fixing plate; 132. Fixing rod; 133. Fixing groove; 14. Second slider; 15. Second slide groove; 16. Limiting assembly; 161. Limiting block; 162. Limiting groove; 17. Moving block; 18. Third slider; 19. Third slide groove; 20. Second double-acting screw; 21. Second handle. Detailed Implementation
[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0024] Please refer to the following: Figures 1 to 4 A stainless steel pipe fastener includes: a base 1, an arc-shaped groove 2 is provided in the middle of the top of the base 1, a groove 3 is provided at the bottom of the inner wall of the arc-shaped groove 2, a pad 4 is provided in the groove 3 that can be raised and lowered, two support plates 5 are slidably provided at the top of the base 1, a screw rod 6 is threadedly connected to the top of each of the two support plates 5, a support frame 7 is rotatably connected to the bottom of each of the two screw rods 6, a rotating rod 8 is rotatably connected to each of the two support frames 7, a shift plate 9 is sleeved on the outer wall of each of the two rotating rods 8, and an arc-shaped plate 10 and a square plate 11 are respectively fixed at both ends of each of the two shift plates 9;
[0025] The lifting assembly 12 is disposed in the groove 3 and is connected to the pad 4 to drive the movement of the pad 4.
[0026] Two locking components 13 are respectively disposed at one end of the two rotating rods 8, and are used to lock the rotating rods 8.
[0027] In this embodiment, when fixing the circular tube, the arc plate 10 is rotated downwards by rotating the rotating rod 8, and then the circular tube is placed in the arc groove 2. Under the movement of the screw 6, the support frame 7 moves downwards. To improve the stability of the support frame 7's movement, a telescopic rod can be installed between the support plate 5 and the support frame 7. The two ends of the telescopic rod are fixedly connected to the support plate 5 and the support frame 7, respectively. With the cooperation of the telescopic rod, the support frame 7 can be provided with auxiliary support, maintaining the stability of its movement and preventing the support frame 7 from rotating with the screw 6, thereby causing the arc plate 10 to move downwards. With the cooperation of the arc plate 10 and the arc groove 2, the round tube can be fixed. When fixing the rectangular tube, the movement of the lifting component 12 drives the pad 4 to move upward, so that the pad 4 extends out of the groove 3. In this way, the rectangular tube can be placed on the pad 4. Then, the rotating rod 8 is rotated again to rotate the square plate 11 to the bottom. Then, with the movement of the screw 6, the square plate 11 can be driven to move downward. In this way, with the cooperation of the pad 4 and the square plate 11, the rectangular tube can be fixed, thereby fixing steel pipes of different shapes, which facilitates the rapid fixing of steel pipes and improves the fixing efficiency of steel pipes.
[0028] In a further embodiment, such as Figure 2As shown, the lifting assembly 12 includes two lifting rods 121, both of which are hinged to the bottom end of the pad 4. The bottom end of each of the two lifting rods 121 is hinged to a first slider 122. The bottom end of the inner wall of the groove 3 is provided with a first groove 123 for the first slider 122 to slide. A first bidirectional screw 124 is rotatably connected to the first slider 122 and threadedly connected to it. One end of the first bidirectional screw 124 extends through to the outside of the base 1 and is fixed with a first throttle 125.
[0029] In this embodiment, when fixing the rectangular tube, the first handle 125 can be manually rotated. The first handle 125 drives the first bidirectional lead screw 124 to rotate. The first bidirectional lead screw 124 drives the two first sliders 122 to move in opposite directions. The two first sliders 122 drive the two lifting rods 121 to move in opposite directions, thereby driving the pad 4 to move upward and extend the pad 4 out of the groove 3. In this way, the rectangular tube can be placed on the pad 4, which facilitates the fixing of the rectangular tube.
[0030] In a further embodiment, such as Figure 3 As shown, the locking assembly 13 includes a fixing plate 131, which is fixedly mounted on one end of the rotating rod 8. A fixing rod 132 is inserted and connected to one side of the fixing plate 131. Two fixing grooves 133 adapted to the fixing rod 132 are opened on one side of the support frame 7.
[0031] In this embodiment, two fixing slots 133 are respectively set on the upper and lower sides of the rotating rod 8. When the rotating rod 8 is manually rotated, the rotating rod 8 drives the rotating plate 9 to rotate. When the rotating plate 9 drives the arc plate 10 to rotate downward, the rotating rod 8 simultaneously drives the fixing plate 131 to rotate. The fixing plate 131 then drives the fixing rod 132 to rotate upward, so that the fixing rod 132 can be inserted into the upper fixing slot 133. When the rotating plate 9 drives the square plate 11 to rotate downward, the fixing plate 131 drives the fixing rod 132 to rotate downward, and then the fixing rod 132 is inserted into the lower fixing slot 133. In this way, the arc plate 10 and the square plate 11 can be locked and fixed after being swapped.
[0032] In a further embodiment, such as Figure 4 As shown, a second slider 14 is fixed on both sides of the pad 4, and a second groove 15 is provided on both sides of the inner wall of the groove 3 for the second slider 14 to slide.
[0033] In this embodiment, when the pad 4 moves up and down, it drives the second slider 14 to slide within the second slide groove 15. In this way, the sliding cooperation between the second slider 14 and the second slide groove 15 facilitates auxiliary support for the pad 4 and keeps the movement of the pad 4 stable.
[0034] In a further embodiment, such as Figure 1As shown, both support plates 5 are connected to the base 1 via limiting components 16. A movable block 17 is fixed on one side of each of the two support plates 5, and a third slider 18 is fixed on one side of each of the two movable blocks 17. A third slide groove 19 is provided on one side of the base 1 for the third slider 18 to slide. A second bidirectional screw 20, which is threadedly connected to the third slider 18, is rotatably connected in the third slide groove 19. One end of the second bidirectional screw 20 extends through to the outside of the base 1 and is fixed with a second handle 21.
[0035] In this embodiment, when it is necessary to fix the steel pipe at any position, the second handle 21 is manually rotated. The second handle 21 drives the second bidirectional lead screw 20 to rotate, and the second bidirectional lead screw 20 drives the two third sliders 18 to move in opposite directions. The two third sliders 18 drive the two moving blocks 17 to move in opposite directions, thereby driving the two support plates 5 to move in opposite directions. The distance between the two support plates 5 is adjusted, which facilitates fixing the steel pipe at any position and improves the fixing efficiency of the steel pipe.
[0036] In a further embodiment, such as Figure 1 As shown, the limiting component 16 includes two limiting blocks 161, which are fixedly installed on both sides of the bottom end of the support plate 5. Limiting grooves 162 for the limiting blocks 161 to slide are provided on both sides of the top end of the base 1.
[0037] In this embodiment, when the support plate 5 moves on the base 1, the support plate 5 can be limited and supported by the sliding cooperation of the limiting block 161 and the limiting groove 162, so as to facilitate the stable movement of the support plate 5.
[0038] The working principle of the stainless steel pipe fastener provided by this utility model is as follows: When fixing a round pipe, by rotating the rotating rod 8, the arc plate 10 is rotated downwards. At this time, the rotating rod 8 simultaneously drives the fixing plate 131 to rotate, and the fixing plate 131 drives the fixing rod 132 to rotate upwards. The fixing rod 132 can then be inserted into the upper fixing groove 133 to lock and fix the arc plate 10. Then, the round pipe is placed in the arc groove 2. Under the movement of the screw 6, the support frame 7 moves downwards, which in turn drives the arc plate 10 to move downwards. In this way, with the cooperation of the arc plate 10 and the arc groove 2, the round pipe can be fixed. When fixing a rectangular pipe, the first rotating handle 125 can be manually rotated. The first rotating handle 125 drives the first bidirectional screw 124 to rotate. Rod 124 drives the two first sliders 122 to move in opposite directions, which in turn drives the two lifting rods 121 to move in opposite directions, thereby causing the pad 4 to move upward and extend from the groove 3. This allows the rectangular tube to be placed on the pad 4. Then, the rotating rod 8 is rotated again to rotate the square plate 11 downward. At this time, the fixing plate 131 drives the fixing rod 132 to rotate downward, and then the fixing rod 132 is inserted into the fixing groove 133 below, thus locking the square plate 11 in place. Then, under the movement of the screw 6, the square plate 11 is moved downward. In this way, with the cooperation of the pad 4 and the square plate 11, the rectangular tube can be fixed, thereby fixing steel pipes of different shapes, facilitating the rapid fixing of steel pipes and improving the fixing efficiency of steel pipes.
[0039] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A stainless steel pipe fastener characterized by, include: The base (1) has an arc-shaped groove (2) at the middle of the top of the base (1), and a groove (3) at the bottom of the inner wall of the arc-shaped groove (2). A pad (4) is provided in the groove (3) and can be raised and lowered. Two support plates (5) are provided at the top of the base (1) and can slide. The top of the two support plates (5) is threaded with a screw (6). The bottom of the two screws (6) is rotatably connected with a support frame (7). Rotating rods (8) are rotatably connected in the two support frames (7). A shift plate (9) is sleeved on the outer wall of the two rotating rods (8). An arc-shaped plate (10) and a square plate (11) are fixed at both ends of the two shift plates (9). A lifting assembly (12) is disposed in a groove (3). The lifting assembly (12) is connected to a pad (4) and is used to drive the movement of the pad (4). Two locking components (13) are respectively set at one end of the two rotating rods (8) for locking the rotating rods (8).
2. The stainless steel pipe fastener according to claim 1, characterized in that, The lifting assembly (12) includes two lifting rods (121), both of which are hinged to the bottom end of the pad (4). The bottom end of each of the two lifting rods (121) is hinged to a first slider (122). The bottom end of the inner wall of the groove (3) is provided with a first slide groove (123) for the first slider (122) to slide. The first slide groove (123) is rotatably connected to a first bidirectional screw (124) threadedly connected to the first slider (122). One end of the first bidirectional screw (124) extends through to the outside of the base (1) and is fixed with a first throttle (125).
3. The stainless steel pipe fastener according to claim 2, characterized in that, The locking assembly (13) includes a fixing plate (131), which is fixedly mounted on one end of the rotating rod (8). A fixing rod (132) is inserted and connected to one side of the fixing plate (131), and two fixing grooves (133) adapted to the fixing rod (132) are opened on one side of the support frame (7).
4. The stainless steel pipe fastener according to claim 3, characterized in that, The pad (4) is fixed with a second slider (14) on both sides, and the inner wall of the groove (3) is provided with a second groove (15) for the second slider (14) to slide on both sides.
5. The stainless steel pipe fastener according to claim 1, characterized in that, Both support plates (5) are connected to the base (1) via limiting components (16). A moving block (17) is fixed on one side of each of the two support plates (5). A third slider (18) is fixed on one side of each of the two moving blocks (17). A third groove (19) is provided on one side of the base (1) for the third slider (18) to slide. A second bidirectional screw (20) is rotatably connected to the third slider (18) and threadedly connected to it. One end of the second bidirectional screw (20) extends through the outside of the base (1) and is fixed with a second handle (21).
6. The stainless steel pipe fastener according to claim 5, characterized in that, The limiting component (16) includes two limiting blocks (161), which are fixedly installed on both sides of the bottom end of the support plate (5). The two sides of the top end of the base (1) are provided with limiting grooves (162) for the limiting blocks (161) to slide.