Multifunctional anti-falling descent control device
By designing a hook-and-buffer assembly and a rope collection assembly, the problem of unstable rope fixation in fall arrestor descent devices is solved, achieving a stable connection and rope collection, thus improving safety and convenience.
Patent Information
- Application Number
- CN202422851787.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing fall arrestors are not secure enough when connected to fixed objects by ropes, especially under heavy loads and high-speed descent, and are prone to loosening, posing a safety hazard.
It employs a hook-and-buffer assembly and a rope collection assembly. The hook is fixed to the connecting ring, and the rope collection assembly collects excess rope through gears and a hinged rope rod to enhance the fixing effect. It is connected to the user using a locking hook assembly to ensure a secure connection.
It improves the secure connection between the fall arrestor and the fixed object, prevents the rope from loosening, ensures user safety, and enables quick and effective locking and rope collection, thus enhancing safety and ease of operation.
Smart Images
Figure CN223490286U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of descent devices, and in particular to a multifunctional fall arrestor descent device. Background Technology
[0002] Fall arresters primarily rely on the principle of the interaction between gravity and friction to achieve their descent function. When a person uses a fall arrester to descend from a height, their own weight will cause them to move downwards. The special braking or friction mechanism inside the fall arrester generates a frictional force that is opposite to the direction of gravity, keeping the person's descent speed within a relatively slow and safe range, thus avoiding serious injury caused by a direct fall.
[0003] Currently used fall arresters are typically secured to various fixed objects of different shapes and structures by directly binding them with ropes. Rope binding allows for quick fixation without the need for complex installation base setups or finding hooks of specific shapes, making the operation relatively simple and fast.
[0004] While current fall arrestors bind the device to a stable object via ropes, the ropes are relatively weak in both theory and practice. In cases of heavy descent and rapid descent, the ropes may loosen or slip, endangering the user's safety. Therefore, a multi-functional fall arrestor is proposed to address these issues. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a multifunctional fall arrestor, which aims to improve the problem of connecting the fall arrestor to a stable fixed device in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A multifunctional fall arrestor includes a fall arrestor body. Connecting rings are rotatably connected to the inner sides of both ends of the top of the fall arrestor body. Hook buffer assemblies are provided on the inner sides of both connecting rings. Ropes are slidably connected to the inner sides of both ends of the bottom of the fall arrestor body. A locking hook assembly is installed at one end of each rope. Connecting rods are rotatably connected to both sides of the fall arrestor body. Rope collection assemblies are provided on the inner sides of both connecting rods.
[0008] The snap-fit buffer assembly includes a safety hook, which is slidably connected to the inner side of the connecting ring. A buffer bag is slidably connected to the outer side of one end of the connecting ring, and a safety hook is also slidably connected to the inner side of one end of the buffer bag. Locking rod blocks are rotatably connected to the inner side of one end of each of the two safety hooks, and the bottom ends of the two locking rod blocks are slidably connected to the inner side of one end of the safety hook.
[0009] As a further description of the above technical solution:
[0010] The locking hook assembly includes a fixing block 1, the inner side of which is fixedly connected to one end of the rope. A hook is slidably connected to the inner side of the bottom end of the fixing block 1. A pressing rotating block is rotatably connected to the outer side of one end of the hook. A locking hook is fixedly connected to the inner side of one end of the pressing rotating block. The locking hook is slidably connected to the inner side of the hook.
[0011] As a further description of the above technical solution:
[0012] The rope collection assembly includes two rope reels, both of which are rotatably connected to the inside of a connecting rod. A hinged rope rod is fixedly connected to the outside of one of the rope reels, and one end of the hinged rope rod is rotatably connected to the inside of the other rope reel. A rope is sleeved on the outside of the hinged rope rod.
[0013] As a further description of the above technical solution:
[0014] The rope collection assembly also includes a second gear, which is fixedly connected to the outside of one end of the hinge rod. The first gear is rotatably connected to the inside of one end of the connecting rod, and a manual crank is fixedly connected to the outside of one end of the first gear.
[0015] As a further description of the above technical solution:
[0016] Multiple fixing blocks are fixedly connected to the inner side of one end of the gear 2, and the multiple fixing blocks 2 are slidably connected to the inner side of one of the rope discs.
[0017] As a further description of the above technical solution:
[0018] Bolts are installed on the inner side of the middle of both connecting rods, and one end of each bolt is fixedly connected to the inner side of the two rope reels.
[0019] As a further description of the above technical solution:
[0020] Telescopic blocks are fixedly connected to the inner side of the middle of both connecting rods. One end of each telescopic block is fixedly connected to the inner side of the two rope reels. One end of each telescopic block is fixedly connected to a fixing rod. Both ends of the fixing rod are slidably connected to the inner side of the connecting rod.
[0021] As a further description of the above technical solution:
[0022] Positioning blocks are fixedly connected to both sides of the descent device body, and the two connecting rods are placed on the outside of the positioning blocks.
[0023] This utility model has the following beneficial effects:
[0024] 1. In this utility model, after the safety hook at one end of the buffer bag, along with the buffer bag, is secured to the inside of the connecting ring around a stable object, the locking bar block is rotated inward toward the safety hook to facilitate its engagement inside the connecting ring. The locking bar block is then rotated outward so that one end of it is secured to the inside of the safety hook, effectively strengthening the fixed engagement effect of the safety hook inside the connecting ring. With the two buckle buffer components securing the stable object, the fall arrestor and the stable object are thus fixedly connected together.
[0025] 2. In this utility model, when an excessively long rope cannot be fully placed inside the descent device, one end of the rope is bound to the surface of the hinge rod. By rotating the manual crank, gear one drives gear two to rotate, which in turn drives the hinge rod to rotate. This allows the excess rope to be wound around the surface of the hinge rod, thereby collecting and placing the excess rope. Attached Figure Description
[0026] Figure 1 This is a three-dimensional schematic diagram of a multifunctional fall arrestor proposed in this utility model;
[0027] Figure 2 This is a schematic diagram of the locking rod block of a multifunctional fall arrestor proposed in this utility model;
[0028] Figure 3 This is a schematic diagram of the pressing and rotating block of a multifunctional fall arrestor proposed in this utility model;
[0029] Figure 4 This is a schematic diagram of the positioning block of a multifunctional fall arrestor proposed in this utility model;
[0030] Figure 5 This is a schematic diagram of the structure of the fixing rod of a multifunctional fall arrestor proposed in this utility model;
[0031] Figure 6 This is a schematic diagram of the structure of the fixing block 2 of a multifunctional fall arrestor proposed in this utility model.
[0032] Legend:
[0033] 1. Descending device body; 2. Connecting ring; 3. Safety hook; 4. Locking rod block; 5. Buffer pack; 6. Connecting rod; 7. Positioning block; 8. Bolt; 9. Manual crank; 10. Gear one; 11. Rope reel plate; 12. Rope; 13. Fixing block one; 14. Hook; 15. Pressing rotating block; 16. Gear two; 17. Telescopic locking block; 18. Fixing rod; 19. Fixing block two; 20. Hinged rope rod; 21. Locking hook. Detailed Implementation
[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0035] Reference Figure 1 and Figure 2 An embodiment of this utility model is provided: a multi-functional fall arrestor, including a fall arrestor body 1, with connecting rings 2 rotatably connected to the inner sides of both ends of the top of the fall arrestor body 1, and hook buffer assemblies provided on the inner sides of both connecting rings 2, with ropes 12 slidably connected to the inner sides of both ends of the bottom of the fall arrestor body 1, with a locking hook assembly installed at one end of one of the ropes 12, and connecting rods 6 rotatably connected to both sides of the fall arrestor body 1, with rope collection assemblies provided on the inner sides of both connecting rods 6;
[0036] The snap-fit buffer assembly includes a safety hook 3, which is slidably connected to the inside of the connecting ring 2. A buffer bag 5 is slidably connected to the outer side of one end of the connecting ring 2, and a safety hook 3 is also slidably connected to the inner side of one end of the buffer bag 5. Locking rod blocks 4 are rotatably connected to the inner side of one end of each safety hook 3, and the bottom ends of the two locking rod blocks 4 are slidably connected to the inner side of one end of each safety hook 3. After the safety hook 3, along with the buffer bag 5, is snapped around a stable object and secured to the inside of the connecting ring 2, the locking rod blocks 4 are rotated inward toward the safety hook 3 to facilitate their engagement inside the connecting ring 2. The locking rod blocks 4 are then rotated outward so that one end is engaged with the inner side of one end of the safety hook 3, effectively strengthening the fixed engagement effect of the safety hook 3 inside the connecting ring 2. With the reinforcement of the two snap-fit buffer assemblies securing the stable object, the fall arrestor is thus fixedly connected to a stable object.
[0037] Reference Figure 4 , Figure 5 and Figure 6The rope collection assembly includes two rope reels 11, both rotatably connected to the inner side of a connecting rod 6. A hinge rod 20 is fixedly connected to the outer side of one rope reel 11, and one end of the hinge rod 20 is rotatably connected to the inner side of the other rope reel 11. A rope 12 is sleeved on the outer side of the hinge rod 20. The rope collection assembly also includes a gear 2 16, which is fixedly connected to the outer side of one end of the hinge rod 20. A gear 10 is rotatably connected to the inner side of one end of the connecting rod 6, and a manual crank 9 is fixedly connected to the outer side of one end of the gear 10. Multiple fixing blocks 2 19 are fixedly connected to the inner side of one end of the gear 2 16, and these fixing blocks 2 19 are slidably connected to the inner side of one of the rope reels 11. When the excessively long rope 12 cannot be fully placed inside the descent device body 1, one end of the rope 12 is tied to the surface of the hinge rod 20. By rotating the manual crank 9, the gear 10 drives the gear 26 to rotate, which in turn drives the hinge rod 20 to rotate. Thus, the excess rope 12 is wound around the surface of the hinge rod 20 through the rotation, thereby collecting and placing the excess rope 12.
[0038] Reference Figure 1 , Figure 3 and Figure 4The locking hook assembly includes a fixing block 13, which is fixedly connected to one end of the rope 12. A hook 14 is slidably connected to the inner side of the bottom end of the fixing block 13. A pressing block 15 is rotatably connected to the outer side of one end of the hook 14. A locking hook 21 is fixedly connected to the inner side of one end of the pressing block 15 and slidably connected to the inner side of the hook 14. By pressing the pressing block 15 inward, the locking hook 21 rotates outward, facilitating the connection of the locking hook 21 to the user's own fixed rope. Releasing the pressing block 15 allows the locking hook 21 to quickly return to its original position under the action of the internal spring, securely locking the fixed rope and allowing the user to be quickly and effectively locked together with the descent device body 1. Bolts 8 are installed on the inner side of the middle of the two connecting rods 6. One end of each bolt 8 is fixedly connected to the inner side of the two rope reel plates 11. The connecting rods 6 and the two rope reel plates 11 are fixedly connected by the bolts 8, thereby securing the rope collection assembly inside the connecting rods 6. Telescopic locking blocks 17 are fixedly connected to the inner sides of the middle of each of the two connecting rods 6. One end of each telescopic locking block 17 is fixedly connected to the inner side of each of the two rope reel plates 11. A fixing rod 18 is fixedly connected to the inner side of one end of each telescopic locking block 17. Both ends of the fixing rod 18 are slidably connected to the inner side of the connecting rod 6. When the rope collecting assembly is installed inside the connecting rod 6 via the screw 8, the telescopic locking block is then pulled outwards by the fixing rod 18, causing it to enter the rope reel 11, thereby strengthening the fixation of the connecting rod 6 for the rope collecting assembly. Positioning blocks 7 are fixedly connected to both sides of the descent device body 1, and both connecting rods 6 are placed outside the positioning blocks 7. This is used to position the connecting rods 6, effectively preventing the connecting rods 6, carrying the rope collecting assembly, from rotating downwards during use and obstructing the downward movement of the rope 12 with the locking hook assembly.
[0039] Working principle: After the safety hook 3 at one end of the buffer pack 5, along with the buffer pack 5, is secured to the inside of the connecting ring 2 around a stable object, the locking bar block 4 is rotated inwards towards the safety hook 3 to facilitate its engagement with the inside of the connecting ring 2. The locking bar block 4 is then rotated outwards so that one end engages with the inside of the safety hook 3, effectively strengthening the securing effect of the safety hook 3 within the connecting ring 2. With the two locking buffer components securing the stable object, the fall arrestor is thus firmly connected to the stable object. When in use, pressing the rotating block 15 inwards causes the locking hook 21 to rotate outwards, facilitating its connection to the user's own securing rope. Releasing the rotating block 15 allows the internal spring to quickly return the locking hook 21 to its original position, securely locking the rope and allowing the user to be quickly and effectively engaged with the fall arrestor body 1.
[0040] During use, the user's own weight pressure causes the locking hook assembly to slowly move downwards with the rope. When the distance to the high descent device body 1 rope 12 is insufficient, it drives the rope of the hinge rod 20 to continue moving downwards. After use, turning the manual crank 9 causes gear 2 16 to rotate under the rotation of gear 1 10, which in turn drives the hinge rod 20 to rotate and collect the rope 12 for future use.
[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A multifunctional fall arrestor, comprising a fall arrestor body (1), characterized in that: The top two ends of the descent device body (1) are rotatably connected to connecting rings (2), and the inner sides of the two connecting rings (2) are provided with hook buffer assemblies. The bottom two ends of the descent device body (1) are slidably connected to ropes (12), and one end of the ropes (12) is equipped with a locking hook assembly. The two sides of the descent device body (1) are rotatably connected to connecting rods (6), and the inner sides of the two connecting rods (6) are provided with rope collection assemblies. The snap-fit buffer assembly includes a safety hook (3), which is slidably connected to the inner side of the connecting ring (2). A buffer bag (5) is slidably connected to the outer side of one end of the connecting ring (2), and a safety hook (3) is also slidably connected to the inner side of one end of the buffer bag (5). Locking rod blocks (4) are rotatably connected to the inner side of one end of each of the two safety hooks (3), and the bottom ends of the two locking rod blocks (4) are slidably connected to the inner side of one end of the safety hook (3).
2. The multifunctional fall arrestor according to claim 1, characterized in that: The locking hook assembly includes a fixing block (13), which is fixedly connected to one end of a rope (12) on its inner side. A hook (14) is slidably connected to the inner side of the bottom end of the fixing block (13). A pressing block (15) is rotatably connected to the outer side of one end of the hook (14). A locking hook (21) is fixedly connected to the inner side of one end of the pressing block (15). The locking hook (21) is slidably connected to the inner side of the hook (14).
3. The multifunctional fall arrestor according to claim 1, characterized in that: The rope collection assembly includes two rope reels (11), both of which are rotatably connected to the inside of the connecting rod (6). A hinge rod (20) is fixedly connected to the outside of one of the rope reels (11), and one end of the hinge rod (20) is rotatably connected to the inside of the other rope reel (11). A rope (12) is sleeved on the outside of the hinge rod (20).
4. A multifunctional fall arrestor as described in claim 1, characterized in that: The rope collection assembly also includes a second gear (16), which is fixedly connected to the outside of one end of the hinge rod (20). A first gear (10) is rotatably connected to the inside of one end of the connecting rod (6), and a manual crank (9) is fixedly connected to the outside of one end of the first gear (10).
5. A multifunctional fall arrestor as described in claim 4, characterized in that: A plurality of fixing blocks (19) are fixedly connected to the inner side of one end of the gear two (16), and the plurality of fixing blocks (19) are slidably connected to the inner side of one of the rope discs (11).
6. A multifunctional fall arrestor as described in claim 1, characterized in that: Bolts (8) are installed on the inner side of the middle of the two connecting rods (6), and one end of the two bolts (8) is fixedly connected to the inner side of the two rope discs (11).
7. A multifunctional fall arrestor as described in claim 1, characterized in that: Telescopic blocks (17) are fixedly connected to the inner side of the middle of the two connecting rods (6). One end of the two telescopic blocks (17) is fixedly connected to the inner side of the two rope discs (11). One end of the telescopic block (17) is fixedly connected to a fixing rod (18). Both ends of the fixing rod (18) are slidably connected to the inner side of the connecting rod (6).
8. A multifunctional fall arrestor as described in claim 1, characterized in that: The descent device body (1) has positioning blocks (7) fixedly connected to both sides, and the two connecting rods (6) are placed on the outside of the positioning blocks (7).