Manual bending tool for hook
By designing an adjustable hook manual bending tool, the problem of existing tools being difficult to adjust the curvature and adapt to different diameters has been solved, achieving compatibility with various diameters and curvatures, and making it suitable for construction sites.
Patent Information
- Application Number
- CN202520518323.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing manual tools have a fixed structure, making it difficult to adjust the bending radius and diameter and adapt to steel bars of different diameters, resulting in low adaptability.
A hook manual bending tool was designed, comprising a base, a swivel ring, a main rod, a limiting block, and a fixing mechanism. Bending is achieved by rotating the eccentric rod, the diameter of the main rod is adjusted by the moving plate and the insert, and the position of the limiting block and the insert is adjusted to achieve adaptation to various diameters and curvatures.
It achieves flexible adaptation to steel bars of different diameters, can adjust the bending radius, has a simple structure, is easy to operate, is suitable for construction sites, and has low cost.
Smart Images

Figure CN223875976U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hook production technical field especially relates to a hook manual bending tool. BACKGROUND
[0002] The support system (such as intercolumnar bracing, horizontal bracing) and bracing of steel structure workshop need to be fixed on the main structure through hook or similar connecting piece to ensure the overall stability, and large hook needs to be bent by mechanical or hydraulic bending equipment,
[0003] And for the hook of small volume, less quantity or needing to be processed and used on the construction site, it is bent manually through the tool, but the structure of the manual tool on the market is mostly fixed, it is difficult to adjust the bending radium diameter, and it is also difficult to adapt to different diameters of different thickness, and the adaptability is low.Therefore, a hook manual bending tool with simple structure, convenient operation, strong adaptability and low cost is needed to be used directly on the construction site. UTILITY MODEL CONTENTS
[0004] The utility model discloses a hook manual bending tool, which can adjust the bending radium diameter and adapt to different diameters of different thickness, and has the advantages of simple structure, convenient operation, strong adaptability and low cost.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A hook manual bending tool, comprising a base, one end of the base is rotatably provided with a swivel ring, the top of the swivel ring is fixedly provided with an eccentric rod,
[0007] A main rod and a limiting block are used to limit the reinforcing steel bars, the limiting block is located at the top of the base, the main rod is located in the interior of the swivel ring, the bottom of the base is fixedly provided with a mounting bracket, and the bottom end of the main rod is arranged at the top of the mounting bracket.
[0008] A fixing mechanism is used to fixedly install the main rod and the limiting block, and the fixing mechanism is arranged at the top of the base.
[0009] In a possible design, the outer wall of the swivel ring is fixedly provided with a handle.
[0010] In a possible design, the top of the mounting bracket is fixedly provided with a rectangular block, and the main rod is sleeved on the outer wall of the rectangular block.
[0011] In a possible design, the fixing mechanism comprises an insertion strip, which is slidingly arranged at the bottom of the base, an outer wall of the main rod is provided with an insertion slot, one end of the insertion strip slidingly penetrates the mounting frame and is matched with the insertion slot, the top of the base is provided with a sliding hole, the inside of the sliding hole is slidingly provided with a moving plate, and the bottom end of the moving plate is fixedly arranged at the top of the insertion strip.
[0012] In a possible design, the inside of the sliding hole is fixedly provided with a first limiting rod, the moving plate is slidingly sleeved on the outer wall of the first limiting rod, the outer wall of the first limiting rod is sleeved with a first compression spring, and the two ends of the first compression spring are fixedly arranged at one side of the moving plate and one side of the inner wall of the sliding hole, respectively.
[0013] In a possible design, the top of the base is provided with a through hole, the inner wall of the through hole is fixedly provided with a plurality of fixing rods, the bottom of the limiting block is provided with a plurality of fixing grooves, and the plurality of fixing grooves are matched with the plurality of fixing rods.
[0014] In a possible design, the fixing mechanism further comprises an insertion plate, the inside of the limiting block is provided with an inner cavity, the inside of the inner cavity is slidingly provided with a connecting plate, the insertion plate is fixedly arranged at one side of the connecting plate, one side of the insertion strip is provided with a side slot, one end of the insertion plate extends into the inside of the side slot, the top of the connecting plate is fixedly provided with a pressing block, one end of the pressing block slidingly penetrates to the outside of the limiting block, the inside of the inner cavity is fixedly provided with a second limiting rod, the pressing block is sleeved on the outer wall of the second limiting rod, the outer wall of the second limiting rod is sleeved with a second compression spring, and the two ends of the second compression spring are fixedly arranged at one side of the inner wall of the inner cavity and one side of the pressing block, respectively.
[0015] In a possible design, the base is fixedly provided with a mounting seat away from the rotating ring, the top of the mounting seat is provided with a plurality of mounting holes.
[0016] In the application, when used specifically, one end of the reinforcing bar is inserted between the main rod and the limiting block, then the handle is rotated to drive the rotating ring to rotate, the rotating ring drives the eccentric rod to rotate, the eccentric rod will touch the surface of the reinforcing bar to make it fit the main rod and be deformed, and the reinforcing bar is bent; when the diameter of the bending arc of the reinforcing bar needs to be adjusted, the moving plate is moved to drive the inserting strip to move, so that one end of the inserting strip is separated from the inside of the inserting slot, at this time, the main rod is released, the main rod is replaced by a main rod with a different diameter, and the adjusting effect is realized; then the main rod is fixed by the inserting strip, when the main rod is replaced or the reinforcing bar with a different diameter needs to be matched, the spacing between the limiting block and the main rod needs to be adjusted, the pressing block is pressed to drive the connecting plate to move, the connecting plate drives the inserting plate to move, so that one end of the inserting plate is separated from the inside of the side slot, at this time, the limiting block can be pulled out, and then the fixing slot at the bottom is aligned with other corresponding fixing rods and is inserted, so that the position adjusting is realized, and the pressing block is reset by the No. 2 compression spring, so that the inserting plate is inserted into the inside of the side slot again. The size of the side slot is greater than that of the inserting plate, so that the inserting strip cannot touch the inserting plate when the main rod is released by sliding, and the inserting plate can still be inserted into the inside of the side slot after the position of the limiting block is adjusted.
[0017] In the utility model, the hook manual bending tool can replace the main rod with different diameters, so that the reinforcing bar can be bent into the hook with different arcs, and the adaptability is improved, and the whole set of tools does not need to be replaced.
[0018] In the utility model, the hook manual bending tool can replace the main rod with different diameters, so that the reinforcing bar can be bent into the hook with different arcs, and the adaptability is improved, and the whole set of tools does not need to be replaced.
[0019] In the utility model, when used, the hook manual bending tool has the advantages of small size, simple structure, bending processing, adjusting function, adaptability to the reinforcing bar with different diameters and the hook with different bending arcs, easy use in the construction site, convenient operation, wide application range and low cost. ACCURACY OF DRAWINGS
[0020] Figure 1 A main body structure schematic view of the hook manual bending tool is provided in the utility model.
[0021] Figure 2 A side view cross section structure schematic view of the hook manual bending tool is provided in the utility model.
[0022] Figure 3 An explosion structure schematic view of the hook manual bending tool is provided in the utility model.
[0023] Figure 4 A schematic diagram of a front view cross-sectional structure of a hook manual bending tool is provided in the utility model.
[0024] In the figure: 1, base; 2, swivel ring; 3, handle; 4, main rod; 5, eccentric rod; 6, limit block; 7, mounting seat; 8, mounting hole; 9, No. 1 limit rod; 10, insertion strip; 11, mounting frame; 12, rectangular block; 13, insertion slot; 14, moving plate; 15, sliding hole; 16, No. 1 compression spring; 17, pressing block; 18, through hole; 19, fixed rod; 20, No. 2 limit rod; 21, inner cavity; 22, insertion plate; 23, side slot; 24, connecting plate; 25, No. 2 compression spring. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0026] In a steel structure factory, small hooks are usually manually bent by hand, such as small U-shaped bolts and lifting rings for light equipment suspension and temporary fixation, which are generally manually bent by low-carbon steel or stainless steel materials with a thickness of ≤3 mm, single V-shaped or U-shaped bending, and a bending radius ≥1.5 times the material thickness (for example, when the thickness is 2 mm, the inner radius ≥3 mm); L-shaped or J-shaped sheet metal hooks; and decorative hooks manually bent by galvanized steel sheets or aluminum alloy sheets with a thickness of ≤1.5 mm.
[0027] Generally, soft steel (such as Q235) or low-alloy steel with a thickness of ≤3 mm, galvanized steel sheets or aluminum alloy sheets with a thickness of ≤1.5 mm, the hook bending tool in the embodiment, and a wooden hammer or a rubber hammer are used to assist in bending.
[0028] Embodiment 1
[0029] Reference Figure 1 A bending tool, comprising a base 1, a swivel ring 2, a handle 3, a main rod 4, an eccentric rod 5, a limit block 6, a mounting seat 7, and the like, wherein the base 1, the swivel ring 2, and the main rod 4 can be made of high-strength alloy steel (such as 45# steel or Q345B) and the surface is treated for rust prevention.
[0030] One end of the base 1 is rotatably provided with a rotating ring 2, and the top of the rotating ring 2 is fixedly provided with an eccentric rod 5. The outer wall of the rotating ring 2 is also fixedly provided with a handle 3, which is convenient for users to manually operate. The handle 3 is wrapped with anti-slip rubber or TPU material on the outer layer to improve the operation comfort. The top of the base 1 is provided with a limiting block 6, and the bottom end of the main rod 4 is arranged on the top of the mounting frame 11. The mounting frame 11 is fixedly arranged on the bottom of the base 1, and the main rod 4 is located inside the rotating ring 2.
[0031] Specifically, one end of the reinforcing bar is inserted between the main rod 4 and the limiting block 6, and then the handle 3 is rotated to drive the rotating ring 2 to rotate, and the eccentric rod 5 is rotated to abut against the surface of the reinforcing bar to make it bend and deform to be folded.
[0032] The present application can be used in the field of hook production, and can also be used in other fields applicable to the present application.
[0033] Embodiment 2
[0034] Reference Figure 2 On the basis of embodiment 1, a hook manual folding tool is improved and applied to the field of hook production. In order to fix and install the main rod 4 and the limiting block 6, a fixing mechanism is arranged.
[0035] The fixing mechanism comprises an insertion strip 10 which is slidingly arranged at the bottom of the base 1. The outer wall of the main rod 4 is provided with a slot 13, one end of the insertion strip 10 slidingly penetrates the mounting frame 11 and cooperates with the slot 13, and the top of the mounting frame 11 is fixedly provided with a rectangular block 12, and the main rod 4 is sleeved on the outer wall of the rectangular block 12. Thus, the main rod 4 is fixed, and the insertion strip 10 and the eccentric rod 5 can be made of wear-resistant tool steel (such as Cr12MoV) to improve the surface hardness after quenching and reduce long-term wear.
[0036] A sliding hole 15 is formed in the top of the base 1, and a moving plate 14 is slidingly arranged in the sliding hole 15. The bottom end of the moving plate 14 is fixedly arranged on the top of the insertion strip 10. A first limiting rod 9 is fixedly arranged in the sliding hole 15, and the moving plate 14 is slidingly sleeved on the outer wall of the first limiting rod 9. The outer wall of the first limiting rod 9 is sleeved with a first compression spring 16, and the two ends of the first compression spring 16 are fixedly arranged on one side of the moving plate 14 and the inner wall of one side of the sliding hole 15, respectively. Through the elastic force of the first compression spring 16, the insertion strip 10 can be automatically inserted into the slot 13.
[0037] Specifically, when the diameter of the bending radius of the steel bar needs to be adjusted, the moving plate 14 is moved, and the moving plate 14 drives the insertion strip 10 to move, so that one end of the insertion strip 10 is separated from the inside of the insertion slot 13 at this time, the main rod 4 is fixed, by replacing the main rod 4 with a different diameter size, the adjusting effect is realized, and then the main rod 4 is fixed by the insertion strip 10. It can be installed, and it is also convenient to replace.
[0038] With reference to Figure 3 , the top of the base 1 is also provided with a through hole 18, and a plurality of fixed rods 19 are fixedly arranged on the inner wall of the through hole 18. The bottom of the limiting block 6 is provided with a plurality of fixed grooves, and the plurality of fixed grooves are matched with the plurality of fixed rods 19. The number of the fixed grooves is less than that of the fixed rods 19, so that the position and positioning of the limiting block 6 can be adjusted by inserting the fixed rods 19 at different positions.
[0039] With reference to Figure 4 , in order to ensure the stability of the limiting block 6, the fixing mechanism further comprises an insertion plate 22. An inner cavity 21 is formed in the inside of the limiting block 6, a connecting plate 24 is slidably arranged in the inside of the inner cavity 21, and the insertion plate 22 is fixedly arranged on one side of the connecting plate 24. One side of the insertion strip 10 is provided with a side groove 23, and one end of the insertion plate 22 extends into the inside of the side groove 23. The top of the connecting plate 24 is fixedly provided with a pressing block 17, one end of the pressing block 17 slides through to the outside of the limiting block 6. A second limiting rod 20 is fixedly arranged in the inside of the inner cavity 21, the pressing block 17 is sleeved on the outer wall of the second limiting rod 20, a second compression spring 25 is sleeved on the outer wall of the second limiting rod 20, and the two ends of the second compression spring 25 are fixedly arranged on the inner wall of the inner cavity 21 and the side of the pressing block 17 respectively. By pressing the pressing block 17 downward, the insertion plate 22 is separated from the side groove 23, at this time the fixing of the limiting block 6 can be adjusted to move, after the pressing block 17 is released, the insertion plate 22 is inserted into the side groove 23 again under the elastic force of the second compression spring 25, and the fixing of the limiting block 6 is realized.
[0040] Specifically, when the main rod 4 is replaced or the steel bar of different diameter size needs to be matched, so that the distance between the limiting block 6 and the main rod 4 needs to be adjusted, the pressing block 17 is pressed, the connecting plate 24 is driven to move, the connecting plate 24 drives the insertion plate 22 to move, one end of the insertion plate 22 is separated from the inside of the side groove 23, at this time the limiting block 6 can be pulled out, then the fixed grooves at the bottom are aligned with other corresponding fixed rods 19 and inserted, the position adjustment can be realized, the pressing block 17 will be reset by the second compression spring 25, so as to drive the insertion plate 22 to be inserted into the inside of the side groove 23. The size of the side groove 23 is greater than the size of the insertion plate 22, so that the insertion strip 10 can not touch the insertion plate 22 when the fixing of the main rod 4 is slidably released, and the insertion plate 22 can still be inserted into the inside of the side groove 23 after the position of the limiting block 6 is adjusted.
[0041] With reference toFigure 1 The bottom base 1 is fixedly provided with a mounting seat 7 at one end away from the rotating ring 2, and a plurality of mounting holes 8 are formed in the top of the mounting seat 7, so that the whole tool can be fixed at a suitable position by bolts or other fixing members.
[0042] The drawings in the specification of the present application are only of a schematic nature, and the size and shape of each component shown are not actual limitations, but only a schematic representation. In the actual implementation process, each component can be reasonably configured and adjusted according to specific needs and actual conditions.
[0043] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A hook hand bending tool characterized by, Include: Base (1), one end of base (1) is provided with a rotating ring (2), the top of rotating ring (2) is fixedly provided with eccentric rod (5); Main rod (4) and limiting block (6) are used for limiting steel bar, limiting block (6) is located at the top of base (1), main rod (4) is located in the inside of rotating ring (2), the bottom of base (1) is fixedly provided with mounting bracket (11), the bottom end of main rod (4) is arranged on the top of mounting bracket (11); Fixing mechanism is used for fixing and installing main rod (4) and limiting block (6), and the fixing mechanism is arranged on the top of base (1).
2. A hook hand bending tool according to claim 1, wherein The outer wall of rotating ring (2) is fixedly provided with handle (3).
3. A hook hand bending tool according to claim 2, wherein The top of mounting bracket (11) is fixedly provided with rectangular block (12), and the outer wall of main rod (4) is sleeved on the outer wall of rectangular block (12).
4. A hook hand bending tool according to claim 3, wherein The fixing mechanism includes a plug bar (10), the plug bar (10) is slidably arranged on the bottom of the base (1), the outer wall of the main rod (4) is provided with a slot (13), one end of the plug bar (10) is slidably arranged through the mounting bracket (11) and matched with the slot (13), the top of the base (1) is provided with a sliding hole (15), the inside of the sliding hole (15) is slidably provided with a moving plate (14), and the bottom end of the moving plate (14) is fixedly arranged on the top of the plug bar (10).
5. A hook hand bending tool according to claim 4, wherein The inside of the sliding hole (15) is fixedly provided with a first limiting rod (9), the moving plate (14) is slidably sleeved on the outer wall of the first limiting rod (9), the outer wall of the first limiting rod (9) is sleeved with a first compression spring (16), and the two ends of the first compression spring (16) are fixedly arranged on one side of the moving plate (14) and one side of the inner wall of the sliding hole (15) respectively.
6. A hook hand bending tool according to claim 5, wherein The top of the base (1) is provided with a through hole (18), the inner wall of the through hole (18) is fixedly provided with a plurality of fixing rods (19), the bottom of the limiting block (6) is provided with a plurality of fixing grooves, and the plurality of fixing grooves are matched with the plurality of fixing rods (19).
7. A hook hand bending tool according to claim 6, wherein The fixing mechanism further includes a plug plate (22), the inside of the limiting block (6) is provided with an inner cavity (21), the inside of the inner cavity (21) is slidably provided with a connecting plate (24), the plug plate (22) is fixedly arranged on one side of the connecting plate (24), one side of the plug bar (10) is provided with a side groove (23), one end of the plug plate (22) extends into the inside of the side groove (23), the top of the connecting plate (24) is fixedly provided with a pressing block (17), one end of the pressing block (17) is slidably arranged outside the limiting block (6), the inside of the inner cavity (21) is fixedly provided with a second limiting rod (20), the pressing block (17) is sleeved on the outer wall of the second limiting rod (20), the outer wall of the second limiting rod (20) is sleeved with a second compression spring (25), and the two ends of the second compression spring (25) are fixedly arranged on one side of the inner wall of the inner cavity (21) and one side of the pressing block (17) respectively.
8. The hook hand bending tool of claim 1, wherein, The end of the base (1) away from the rotating ring (2) is fixedly provided with a mounting seat (7), and the top of the mounting seat (7) is provided with a plurality of mounting holes (8).