High-strength lever ratchet rod type lantern ring tensioner

Abstract

The utility model discloses a high-strength lever ratchet rod type lantern ring tensioner in the technical field of tensioners, which comprises a threaded pipe, a ratchet body is welded at the center of an outer ring of the threaded pipe, and a handle piece for driving the ratchet body and the threaded pipe to rotate together is rotatably connected onto the threaded pipe. Fastening screws are in threaded connection with the interiors of the two ends of the threaded pipe, first circular rings are welded to the ends, located outside the threaded pipe, of the fastening screws, sliding supports are connected to the first circular rings, telescopic assemblies are slidably connected to the sliding supports, and hooks are arranged at the ends, away from the first circular rings, of the telescopic assemblies; the lever ratchet rod type lantern ring tensioner solves the problems that an existing lever ratchet rod type lantern ring tensioner does not have certain elasticity, the tensioner is inconvenient to be preliminarily and stably hung on a component needing to be tightened, meanwhile, certain elasticity cannot be given to the connecting position of the component needing to be tightened, and the actual use flexibility of the lever ratchet rod type lantern ring tensioner is low.

Description

Technical Field

[0001] The utility model relates to the technical field of tensioners, in particular to a high-strength lever ratchet rod type sleeve ring tensioner. Background Art

[0002] A tensioner is a tool used to tighten ropes, chains or cables. It plays a role in fixing goods during transportation, movement, shipment or storage. After the goods are locked with the tight rigging, the goods are not easy to fall off. Tight rigging is widely used in many fields such as ports, railways, and construction. The commonly used tensioners on the market are ratchet tensioners, which realize the tightening and loosening operation of the tensioner through the cooperation of handles and ratchet structures.

[0003] The existing lever ratchet rod type ring tensioner does not have a certain elasticity, which makes it inconvenient to initially and stably hang the tensioner on the component that needs to be tightened. At the same time, it is also unable to give a certain elasticity to the connection of the component that needs to be tightened. The flexibility of the lever ratchet rod type ring tensioner in actual use is low. Therefore, those skilled in the art provide a high-strength lever ratchet rod type ring tensioner to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a high-strength lever ratchet rod type collar tensioner to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength lever ratchet rod type ring tensioner, comprising a threaded tube, a ratchet body welded at the center of the outer ring of the threaded tube, a handle member rotatably connected to the threaded tube for driving the ratchet body and the threaded tube to rotate together, fastening screws are threadedly connected to the inside of both ends of the threaded tube, a first ring is welded to one end of the fastening screw located outside the threaded tube, the first ring is connected to a sliding bracket, a telescopic component is slidably connected to the sliding bracket, a hook is provided on the end of the telescopic component away from the first ring, and a limit component for limiting the telescopic range of the telescopic component is fixedly installed on the sliding bracket.

[0006] Preferably, the sliding bracket comprises a U-shaped rod connected to the first circular ring, a fixing plate is welded to the end of the U-shaped rod, and the surface of the U-shaped rod and the center of the fixing plate are both slidably connected to the telescopic assembly.

[0007] Preferably: the telescopic assembly includes a movable plate slidably mounted on a U-shaped rod, a first spring sleeved on the outer ring of the U-shaped rod is installed between the movable plate and the fixed plate, a connecting rod sliding through the fixed plate is welded at the center of the movable plate, and a second ring connected to the hook is welded at one end of the connecting rod away from the movable plate.

[0008] Preferably, the limiting assembly comprises a limiting screw welded on a fixed plate, the movable plate is slidably connected to an outer ring of the limiting screw, and a fixing nut is threadedly connected on the limiting screw and abuts against a side of the movable plate away from the first spring.

[0009] Preferably, two groups of the limiting components are centrally symmetrically arranged around the central axis of the fixing plate, and the limiting screws of the two groups of limiting components are both installed on the inner ring of the first spring.

[0010] Preferably: the handle member includes two groups of splints rotatably mounted on the outer ring of the threaded tube, the two groups of splints are respectively located on both sides of the ratchet body, the bottom of the two groups of splints are integrally formed with connecting blocks, the bottom of the connecting block is welded with a hand grip rod, and an adjusting member for driving the ratchet body to rotate is installed between the two groups of splints.

[0011] Preferably: the adjusting member comprises a shifting block rotatably mounted between two sets of splints, the top of the shifting block abuts against the ratchet body, the bottom of the shifting block abuts against a stopper slidably mounted inside the connecting block, and a second spring connected to the top and the bottom of the stopper is installed inside the connecting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the first circular ring is connected with a U-shaped rod and a fixed plate, the fixed plate is connected with a movable plate slidably mounted on the U-shaped rod through a first spring, the movable plate is connected with a connecting rod and a hook, when the two sets of fastening screws are relatively tightened, the telescopic assembly is stretched to the limit and the component is also tightened to the limit, which can achieve stable tightening of the component, and the telescopic assembly can also retain a certain telescopic elasticity when the device is tightened, which can be used for components that need to be connected elastically, thereby improving the flexibility of the actual use of the tensioner.

[0014] 2. In the utility model, by setting two sets of fixing nuts located inside the first spring, fixing nuts for adjusting and limiting the position of the movable plate are provided on the fixing nuts. When the limiting assembly compresses the telescopic assembly to the limit, the high-strength inelastic lever ratchet rod type ring tensioner can be used normally, and the limiting member can also adjust the telescopic elastic force range of the telescopic assembly according to actual usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the first schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a second schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of the overall structure of the utility model.

[0018] In the figure: 1. threaded tube; 2. ratchet body; 3. tightening screw; 4. first ring; 5. hook; 6. U-shaped rod; 7. fixed plate; 8. movable plate; 9. first spring; 10. connecting rod; 11. second ring; 12. limit screw; 13. fixing nut; 14. clamp; 15. connecting block; 16. hand grip; 17. shift block; 18. stop block; 19. second spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 to Figure 3 In an embodiment of the utility model, a high-strength lever ratchet rod type ring tensioner comprises a threaded tube 1, a ratchet body 2 is welded at the center of the outer ring of the threaded tube 1, a handle member is rotatably connected to the threaded tube 1 to drive the ratchet body 2 and the threaded tube 1 to rotate together, fastening screws 3 are threadedly connected to the inside of both ends of the threaded tube 1, a first ring 4 is welded to one end of the fastening screw 3 located outside the threaded tube 1, the first ring 4 is connected to a sliding bracket, a telescopic component is slidably connected to the sliding bracket, a hook 5 is provided on the end of the telescopic component away from the first ring 4, and a limit component for limiting the telescopic range of the telescopic component is fixedly installed on the sliding bracket.

[0021] When the tensioner is in use, the hooks 5 installed at the ends of the two sets of telescopic components are respectively hung on the components that need to be tightened. The operator drives the ratchet body 2 and the threaded tube 1 to rotate through the handle, and the threaded tube 1 can drive the two sets of fastening screws 3 inside to move relative or in the opposite direction. The fastening screws 3 pull the sliding bracket to move through the first ring 4 at the end. The movement of the sliding bracket can pull the telescopic component to move. The hook 5 at the end of the telescopic component pulls the component to move, which can tighten the components connected by the two sets of hooks 5, stretching the telescopic component to the limit. By tightening the component to the limit, the component can be firmly tightened. When the device is tightened, the telescopic component can retain a certain telescopic elasticity, which can be used for components that need to be connected elastically. When the two groups of hooks 5 are hoisted, the two groups of telescopic components can extend the initial length of the tightener, which is convenient for stably hoisting the tightener to the component. A limit component is provided. When the limit component compresses the telescopic component to the limit, the high-strength inelastic lever ratchet rod type ring tensioner can be used normally. The limiter can adjust the actual telescopic elastic force range of the telescopic component.

[0022] In one embodiment, specifically, the sliding bracket includes a U-shaped rod 6 connected to the first circular ring 4, a fixed plate 7 is welded to the end of the U-shaped rod 6, the surface of the U-shaped rod 6 and the center of the fixed plate 7 are both slidably connected to the telescopic component, wherein the telescopic component includes a movable plate 8 slidably mounted on the U-shaped rod 6, a first spring 9 is installed between the movable plate 8 and the fixed plate 7 and is sleeved on the outer ring of the U-shaped rod 6, a connecting rod 10 that slides through the fixed plate 7 is welded to the center of the movable plate 8, and a second circular ring 11 connected to the hook 5 is welded to the end of the connecting rod 10 away from the movable plate 8.

[0023] The tension generated between the hook 5 and the first ring 4 can pull the movable plate 8 to slide on the U-shaped rod 6, and the connecting rod 10 welded to the movable plate 8 can slide at the center of the fixed plate 7. The movable plate 8 also drives the first spring 9 to expand and contract, thereby providing a certain expansion and contraction elastic force for the high-strength ratchet rod type ring tensioner.

[0024] Furthermore, the limiting assembly includes a limiting screw 12 welded on the fixed plate 7, the movable plate 8 is slidably connected to the outer ring of the limiting screw 12, and the limiting screw 12 is threadedly connected with a fixing nut 13 that abuts against the side of the movable plate 8 away from the first spring 9. When the limiting screw 12 rotates the fixing nut 13, the fixing nut 13 can press down the movable plate 8 supported by the first spring 9, which is convenient for limiting the telescopic range of the first spring 9, and can also compress the first spring 9 to the limit to position it, and the limiting assembly is centrally symmetrically provided with two groups around the central axis of the fixed plate 7, and the limiting screws 12 of the two groups of limiting assemblies are both installed on the inner ring of the first spring 9, which can utilize the overall supporting strength of the component.

[0025] In one embodiment, specifically, the handle member includes two groups of clamps 14 rotatably installed on the outer ring of the threaded tube 1, the two groups of clamps 14 are respectively located on both sides of the ratchet body 2, the bottom of the two groups of clamps 14 are integrally formed with a connecting block 15, the bottom of the connecting block 15 is welded with a hand grip 16, and an adjusting member for rotating the ratchet body 2 is installed between the two groups of clamps 14, wherein the adjusting member includes a shift block 17 rotatably installed between the two groups of clamps 14, the top of the shift block 17 abuts against the ratchet body 2, the bottom of the shift block 17 abuts against a stopper 18 slidably installed inside the connecting block 15, and a second spring 19 connected to the top and the bottom of the stopper 18 is installed inside the connecting block 15.

[0026] The operator rotates the hand handle 16 in one direction, and the hand handle 16 drives the clamping plate 14 to rotate on the threaded tube 1 through the connecting block 15. The clamping plate 14 drives the shift block 17 to slide on the ratchet body 2. The second spring 19 and the stop block 18 can be used to assist in positioning the position of the shift block 17. The hand handle 16 is rotated in the opposite direction to drive the clamping plate 14 and the shift block 17 to rotate. The shift block 17 drives the ratchet body 2 and the threaded tube 1 to rotate on the fastening screws 3 supported on both sides.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-strength lever ratchet rod type collar tensioner, comprising a threaded tube (1), a ratchet body (2) welded at the center of the outer ring of the threaded tube (1), a handle member rotatably connected to the threaded tube (1) for driving the ratchet body (2) and the threaded tube (1) to rotate together, characterized in that: Both ends of the threaded tube (1) are internally threadedly connected with a fastening screw (3); one end of the fastening screw (3) located outside the threaded tube (1) is welded with a first ring (4); the first ring (4) is connected to a sliding bracket; a telescopic component is slidably connected to the sliding bracket; a hook (5) is provided on the end of the telescopic component away from the first ring (4); and a limit component for limiting the telescopic range of the telescopic component is fixedly installed on the sliding bracket.

2. A high-strength ratchet rod type collar tensioner according to claim 1, characterized in that: The sliding bracket comprises a U-shaped rod (6) connected to the first circular ring (4), a fixing plate (7) is welded to the end of the U-shaped rod (6), and the surface of the U-shaped rod (6) and the center of the fixing plate (7) are both slidably connected to the telescopic assembly.

3. A high-strength ratchet rod type collar tensioner according to claim 2, characterized in that: The telescopic assembly comprises a movable plate (8) slidably mounted on a U-shaped rod (6); a first spring (9) sleeved on the outer ring of the U-shaped rod (6) is installed between the movable plate (8) and the fixed plate (7); a connecting rod (10) slidably penetrating the fixed plate (7) is welded at the center of the movable plate (8); and a second ring (11) connected to the hook (5) is welded at one end of the connecting rod (10) away from the movable plate (8).

4. A high-strength ratchet rod type collar tensioner according to claim 3, characterized in that: The limiting assembly comprises a limiting screw (12) welded to a fixed plate (7); the movable plate (8) is slidably connected to the outer ring of the limiting screw (12); and a fixing nut (13) is threadedly connected to the limiting screw (12) and abuts against a side of the movable plate (8) away from the first spring (9).

5. A high-strength ratchet rod type collar tensioner according to claim 4, characterized in that: The limiting components are provided in two groups in a centrally symmetrical manner around the central axis of the fixing plate (7), and the limiting screws (12) of the two groups of limiting components are both installed on the inner ring of the first spring (9).

6. A high-strength ratchet rod type collar tensioner according to claim 1, characterized in that: The handle member comprises two groups of clamping plates (14) rotatably mounted on the outer ring of the threaded tube (1), the two groups of clamping plates (14) are respectively located on both sides of the ratchet body (2), the bottom of the two groups of clamping plates (14) are integrally formed with a connecting block (15), the bottom of the connecting block (15) is welded with a hand grip rod (16), and an adjusting member for turning the ratchet body (2) for rotation is installed between the two groups of clamping plates (14).

7. A high-strength ratchet rod type collar tensioner according to claim 6, characterized in that: The adjusting member comprises a shifting block (17) rotatably mounted between two groups of clamping plates (14); the top of the shifting block (17) abuts against the ratchet body (2); the bottom of the shifting block (17) abuts against a stopper (18) slidably mounted inside the connecting block (15); and a second spring (19) connected to the top and the bottom of the stopper (18) is installed inside the connecting block (15).

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