Rope protection device

By using a spring to compress the rope gripper wheel and make it fit against the rope, combined with a clamping plate and stop design, the problem of the single locking method of rope protection devices is solved, improving safety and convenience, and reducing weight and cost.

CN223555346UActive Publication Date: 2025-11-18MINGPIN HARDWARE (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202422975837.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-18
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing rope protection devices have a single locking method during the locking process, which is not safe enough and can easily lead to danger due to loosening or failure.

Method used

The design utilizes a spring to provide elastic force to compress the rope gripping wheel and make it fit tightly against the rope. Combined with the design of the clamping plate and the stop, the anti-slip pad increases friction, the raised strip improves the convenience of manual operation, and the split design reduces weight and lowers costs.

Benefits of technology

It improves the safety and stability of rope locking, prevents loosening, enhances friction and ease of operation, while reducing device weight and production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rope protection device, which relates to the technical field of ropes and comprises a first shell. A rotating shaft is rotationally installed in the first shell, one end of the rotating shaft is rotationally connected with a second shell, a rope grabbing wheel is rotationally installed on the periphery of the rotating shaft, a spring is fixedly connected into the first shell and extends into the rope grabbing wheel on the periphery of the rotating shaft, and the surface of one end of the spring is fixedly connected with the surface of the second shell. A rolling shaft is rotationally connected into the first shell at the top of the rope grabbing wheel. Pressure towards one side can be formed on the rope grabbing wheel by arranging the spring, so that a cam in the rope grabbing wheel is tightly attached to a rope, the rope is extruded and limited, and if the spring fails, the clamping plate continues to extrude and limit the rope grabbing wheel, meanwhile, the stopping block continues to be tightly attached to the surface of the second shell, and therefore the rope grabbing wheel is prevented from being damaged. And it can be ensured that the cam in the rope grabbing wheel continues to be tightly attached to the rope, the rope is locked and protected, and the safety of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a rope technology field, specifically relates to a rope protection device. BACKGROUND

[0002] Rope, commonly known as rope, is connected into a certain length of fiber by twisting or braiding and the like, and the tensile strength of the rope is good, but it has no compression strength, so it is often used as a connecting and pulling tool, and the rope can be classified in various ways according to material, purpose, structure and the like, and traditional rope-making materials include natural fibers such as cotton, hemp, flax and jute; modern rope-making materials include synthetic fibers such as nylon, polyester and polypropylene, and the rope has a wide range of applications in daily life and work, including but not limited to outdoor survival: used for pulling, setting up a cool tent, making a simple stretcher, fixing the limbs of injured personnel, etc.; rescue operations: in disaster rescue, the rope is an indispensable tool and can be used to set up a rescue channel and fix the wounded; construction: on a construction site, the rope is often used for hoisting materials and pulling equipment.

[0003] The rope grab is a device for capturing and carrying objects such as ropes, which clamps the rope through a pressing mechanism and fixes the locking ring at a specified position through a locking mechanism, thereby firmly fixing the rope, and the rope grab is widely used in rope stopping and other fields such as fire rescue, high-altitude operation, outdoor sports, mountain climbing, etc., and in the process of protecting the rope, the main function of the rope grab is to enhance the control force of the rope, provide additional safety protection, and simplify the rope operation process, which can help the user to hold the rope more firmly, prevent slipping due to sweaty palms, fatigue or improper operation, and thus reduce the risk of falling.

[0004] The existing rope protection device has a single locking mode for locking the rope during locking, and the safety performance is insufficient, if the rope locking structure loosens or fails, the normal locking protection of the telescopic rope cannot be performed, and thus danger is easily caused, therefore, it is necessary to provide a rope protection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rope protection device to solve the problems in the above background technology.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] The utility model provides a rope protection device, including first casing, the inside rotation of first casing is installed with the pivot, and one end of pivot is rotatably connected with second casing, and the periphery of pivot is rotatably installed with the rope wheel, and the inside fixed connection of first casing is provided with spring, and the spring extends to the inside of the rope wheel of pivot periphery, and the surface of one end of spring is fixedly connected with the surface of second casing, and the inside rotation of first casing in the top of rope wheel is connected with the roller, and one end of roller extends to the inside of second casing and is rotatably connected with second casing, and the inside rotation of first casing in the top of rope wheel is installed with the stopper, and the stopper is rotatably connected between second casing, and the stopper is located one side of roller, and the other side of stopper is rotatably installed with the clamping plate, and the clamping plate is in conformance with the outer surface of roller, and the surface of clamping plate bottom is extruded with the surface of the top of rope wheel.

[0008] The utility model discloses a rope protection device, including first casing, the inside rotation of first casing is installed with the pivot, and one end of pivot is rotatably connected with second casing, and the periphery of pivot is rotatably installed with the rope wheel, and the inside fixed connection of first casing is provided with spring, and the spring extends to the inside of the rope wheel of pivot periphery, and the surface of one end of spring is fixedly connected with the surface of second casing, and the inside rotation of first casing in the top of rope wheel is connected with the roller, and one end of roller extends to the inside of second casing and is rotatably connected with second casing, and the inside rotation of first casing in the top of rope wheel is installed with the stopper, and the stopper is rotatably connected between second casing, and the stopper is located one side of roller, and the other side of stopper is rotatably installed with the clamping plate, and the clamping plate is in conformance with the outer surface of roller, and the surface of clamping plate bottom is extruded with the surface of the top of rope wheel.

[0009] The utility model discloses a rope protection device, including first casing, the inside rotation of first casing is installed with the pivot, and one end of pivot is rotatably connected with second casing, and the periphery of pivot is rotatably installed with the rope wheel, and the inside fixed connection of first casing is provided with spring, and the spring extends to the inside of the rope wheel of pivot periphery, and the surface of one end of spring is fixedly connected with the surface of second casing, and the inside rotation of first casing in the top of rope wheel is connected with the roller, and one end of roller extends to the inside of second casing and is rotatably connected with second casing, and the inside rotation of first casing in the top of rope wheel is installed with the stopper, and the stopper is rotatably connected between second casing, and the stopper is located one side of roller, and the other side of stopper is rotatably installed with the clamping plate, and the clamping plate is in conformance with the outer surface of roller, and the surface of clamping plate bottom is extruded with the surface of the top of rope wheel.

[0010] The utility model discloses a rope protection device, including first casing, the inside rotation of first casing is installed with the pivot, and one end of pivot is rotatably connected with second casing, and the periphery of pivot is rotatably installed with the rope wheel, and the inside fixed connection of first casing is provided with spring, and the spring extends to the inside of the rope wheel of pivot periphery, and the surface of one end of spring is fixedly connected with the surface of second casing, and the inside rotation of first casing in the top of rope wheel is connected with the roller, and one end of roller extends to the inside of second casing and is rotatably connected with second casing, and the inside rotation of first casing in the top of rope wheel is installed with the stopper, and the stopper is rotatably connected between second casing, and the stopper is located one side of roller, and the other side of stopper is rotatably installed with the clamping plate, and the clamping plate is in conformance with the outer surface of roller, and the surface of clamping plate bottom is extruded with the surface of the top of rope wheel.

[0011] The utility model discloses a rope protection device, including first casing, the inside rotation of first casing is installed with the pivot, and one end of pivot is rotatably connected with second casing, and the periphery of pivot is rotatably installed with the rope wheel, and the inside fixed connection of first casing is provided with spring, and the spring extends to the inside of the rope wheel of pivot periphery, and the surface of one end of spring is fixedly connected with the surface of second casing, and the inside rotation of first casing in the top of rope wheel is connected with the roller, and one end of roller extends to the inside of second casing and is rotatably connected with second casing, and the inside rotation of first casing in the top of rope wheel is installed with the stopper, and the stopper is rotatably connected between second casing, and the stopper is located one side of roller, and the other side of stopper is rotatably installed with the clamping plate, and the clamping plate is in conformance with the outer surface of roller, and the surface of clamping plate bottom is extruded with the surface of the top of rope wheel.

[0012] According to the technical scheme, the first convex strips are arranged on the top of the stopper, the top surface of the stopper is concave-convex, the friction between the hands of the operator and the top surface of the stopper is increased, the hands of the operator are less likely to slip on the surface of the stopper compared with the flat stopper, and thus the operator can conveniently manually rotate the stopper.

[0013] According to the further improvement of the technical scheme, the bottom of the stopper is provided with second convex strips.

[0014] According to the technical scheme, the second convex strips are arranged on the bottom of the stopper, the bottom surface of the stopper is concave-convex, the friction between the hands of the operator and the bottom surface of the stopper is increased, the hands of the operator are less likely to slip on the surface of the stopper compared with the flat stopper, and thus the operator can conveniently manually rotate the stopper.

[0015] According to the further improvement of the technical scheme, the other side surface of the stopper at one end of the clamping plate is extruded with the side surface of the second shell.

[0016] According to the technical scheme, the stopper is attached to the surface of the second shell and is extruded, the possibility that the stopper rotates to the top is reduced, the limiting effect of the clamping plate on the rope wheel is increased to a certain extent, and the effect of the cam of the rope wheel on the rope limiting is further improved.

[0017] According to the further improvement of the technical scheme, a certain spacing is arranged between the side of the second shell and the first shell.

[0018] According to the technical scheme, the first shell and the second shell are arranged separately, and a certain spacing is arranged between the side of the second shell and the first shell, so that a certain range of positions is left for the stopper, the operator can push the stopper from the bottom to the top of the stopper at one end, the stopper is rotated to the other side of the top, the clamping plate is separated from the surface of the rope wheel, the rope wheel is rotated, and the rotation of the stopper by the operator is facilitated.

[0019] According to the further improvement of the technical scheme, a plurality of grooves are arranged in the inner part of the rope wheel close to the other side.

[0020] According to the technical scheme, a plurality of grooves are arranged in the inner part of the rope wheel, the rope wheel is designed to be lightweight, the overall weight of the rope wheel is reduced, the use cost of the rope wheel is reduced, the rope wheel is convenient to carry and use, the plurality of grooves are evenly arranged on the surface of the rope wheel, local stress concentration is avoided, the load is evenly distributed when the rope wheel is stressed, and the overall structural strength of the rope wheel is maintained.

[0021] Thanks to the adoption of the above technical solutions, the present application has the following technical progress compared with the prior art:

[0022] 1. The rope protection device can form a lateral extrusion force on the rope grabbing wheel by using the spring's own elastic force after the rope is penetrated through the first shell, so that the cam in the rope grabbing wheel is attached to the surface of the rope and extrudes the rope, thereby locking and protecting the rope, and at this time, the clamping plate is attached to the top surface of the rope grabbing wheel, which can reduce the possibility of the rope grabbing wheel rotating along the rotating shaft, thereby further limiting the position of the rope grabbing wheel in the first shell, thereby avoiding the situation that the rope grabbing wheel cannot normally extrude and limit the surface of the rope due to spring failure, thus improving the effect of locking and protecting the rope and improving the safety of the device.

[0023] 2. The rope protection device can increase the friction between the surface of the stop block and the rope by installing the non-slip pad, and there is a gap between the side surface of the stop block at one end of the non-slip pad and the first shell, and the gap is smaller than the minimum diameter of the rope, so that the rope cannot accidentally slip out of the gap, thereby further improving the effect of protecting the rope and improving the safety of the device as a whole.

[0024] 3. The rope protection device can reduce the weight of the rope grabbing wheel by opening a plurality of grooves for lightweight design of the rope grabbing wheel, thereby reducing the use cost of the rope grabbing wheel, facilitating carrying and using, and by uniformly arranging a plurality of grooves on the surface of the rope grabbing wheel, local stress concentration can be avoided, the load can be evenly distributed when the rope grabbing wheel is stressed, and the overall structural strength of the rope grabbing wheel can be maintained.

[0025] 4. The rope protection device has an integrated existing forming mode of the shell in the prior art, and the manufacturing method is multiple sheet metal forming, which is complex and high in cost. The present application is changed to a split type, reducing the number of sheet metal forming, thereby improving product precision and reducing cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] The present application will be further described below with reference to the accompanying drawings.

[0027] Figure 1 is a perspective view of the present application;

[0028] Figure 2 is a first local structure schematic view of the rope grabbing wheel of the present application;

[0029] Figure 3 is a clamping plate local structure schematic view of the present application;

[0030] Figure 4 The utility model discloses a card board partial explosion structure schematic diagram;

[0031] Figure 5 The utility model discloses a grab rope wheel second partial structure schematic diagram;

[0032] Figure 6 The utility model discloses a spring partial structure schematic diagram.

[0033] In the drawing: 1, first shell, 2, second shell, 3, grab rope wheel, 4, card board, 5, stop block, 6, non-slip mat, 7, roller, 8, spring, 9, recess, 10, first convex strip, 11, second convex strip, 12, rotating shaft. DETAILED DESCRIPTION

[0034] The utility model will be further explained in detail in connection with the embodiment:

[0035] Embodiment 1

[0036] As Figure 1 , Figure 2 and Figure 6 Indicated, the utility model provides a rope protection device, including first shell 1, the inside rotation of first shell 1 is installed with rotating shaft 12, and one end of rotating shaft 12 is rotatably connected with second shell 2, and the periphery of rotating shaft 12 is rotatably installed with grab rope wheel 3, and the inside fixed connection of first shell 1 has spring 8, which extends to the inside of grab rope wheel 3 in the periphery of rotating shaft 12, and the surface of one end of the spring 8 is fixedly connected with the surface of second shell 2, and the inside rotation of first shell 1 in the top of grab rope wheel 3 is connected with roller 7, and one end of roller 7 extends to the inside of second shell 2 and is rotatably connected with second shell 2, and the inside rotation of first shell 1 in the top of grab rope wheel 3 is installed with stop block 5, and stop block 5 is rotatably connected between second shell 2, and the stop block 5 is located on one side of roller 7, and the other side of stop block 5 is rotatably installed with card board 4, and card board 4 is attached to the outer surface of roller 7, and the bottom surface of card board 4 and the top surface of grab rope wheel 3 are extruded each other, and the other side surface of stop block 5 in one end of card board 4 and the one side surface of second shell 2 are extruded each other.

[0037] In the embodiment, the existing rope protection device is single in locking mode of locking the rope during locking of the rope, and the safety performance is insufficient, if the rope locking structure is loose or fails, the normal locking protection of the stretching and contraction cannot be realized, and danger is easily caused, in the application, when the rope is penetrated into the first shell 1, the rope is located at one side of the blocking block 5 and the rope grabbing wheel 3, the spring 8 is installed, the spring 8 can form a side extrusion force on the rope grabbing wheel 3 due to the elastic force of the spring 8, the cam in the rope grabbing wheel 3 is tightly combined with the surface of the rope, and the rope is extruded and limited, so that the rope is locked and protected, and at this time, the clamping plate 4 is combined with the top surface of the rope grabbing wheel 3, the blocking block 5 is combined with the side surface of the second shell 2, the position of the rope grabbing wheel 3 in the first shell 1 can be further limited, the rotation of the rope grabbing wheel 3 along the rotating shaft 12 is prevented, the rope grabbing wheel 3 cannot normally extrude and limit the surface of the rope due to the failure of the spring 8, and therefore the locking protection effect of the rope is improved, and the safety of the device is improved.

[0038] Embodiment 2

[0039] As shown in Figure 1 , Figure 2 and Figure 3 , on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the side surface of the blocking block 5 is attached with the antiskid pad 6, the material of the antiskid pad 6 adopts rubber material, the top of the blocking block 5 is provided with a plurality of first convex strips 10, and the bottom of the blocking block 5 is provided with a plurality of second convex strips 11.

[0040] In the embodiment, the antiskid pad 6 is installed to increase the friction between the surface of the blocking block 5 and the rope, so that the limiting effect of the rope is improved, wherein there is a gap between the side surface of the blocking block 5 at one end of the antiskid pad 6 and the first shell 1, and the gap is smaller than the minimum diameter of the rope, so that the rope cannot accidentally slip out of the gap, and the protection effect of the rope is further improved, and the safety of the whole device is improved, a plurality of first convex strips 10 are arranged on the top of the blocking block 5, a plurality of second convex strips 11 are arranged on the bottom of the blocking block 5, the top and bottom surfaces of the blocking block 5 are concave-convex, the friction between the hands of the operator and the top and bottom surfaces of the blocking block 5 is increased, the possibility of slipping between the hands of the operator and the surface of the blocking block 5 is reduced compared with the flat blocking block 5, and the operator can conveniently manually rotate the blocking block 5.

[0041] Embodiment 3

[0042] As shown in Figure 1 and Figure 2 , on the basis of embodiment 2, the utility model provides a technical scheme: preferably, there is a certain spacing between the side of the second shell 2 and the first shell 1.

[0043] In the embodiment, by separating the first shell 1 and the second shell 2, a certain range of positions is left for the block 5, so that the operator pushes the block 5 from the bottom to the top of the block 5 at one end, so as to rotate the block 5 to the other side of the top, thereby separating the clamping plate 4 from the surface of the rope grabbing wheel 3, so as to facilitate the rotation operation of the rope grabbing wheel 3, thereby facilitating the rotation operation of the block 5 by the operator.

[0044] Embodiment 4

[0045] As shown in Figure 1 , Figure 2 and Figure 5 , on the basis of embodiment 3, the utility model provides a technical scheme: preferably, a plurality of grooves 9 are arranged in the inner part of the rope grabbing wheel 3 close to the other side.

[0046] In the embodiment, by arranging a plurality of grooves 9 in the inner part of the rope grabbing wheel 3, the rope grabbing wheel 3 is designed to be lightweight, thereby reducing the overall weight of the rope grabbing wheel 3 and reducing the use cost of the rope grabbing wheel 3, so as to facilitate the carrying and use of the rope grabbing wheel 3, and by uniformly arranging a plurality of grooves 9 on the surface of the rope grabbing wheel 3, local stress concentration can be avoided, and the load can be uniformly distributed when the rope grabbing wheel 3 is stressed, thereby maintaining the overall structural strength.

[0047] The working principle of the rope protection device will be described below.

[0048] As shown in Figures 1-6 , when the rope needs to be protected, the operator can insert his hand into the bottom of the block 5 from one end, and then rotate the block 5 to the other side of the top, so that the block 5 is separated from the surface of the second shell 2, and at the same time, the clamping plate 4 is separated from the surface of the rope grabbing wheel 3, and then the rope grabbing wheel 3 is rotated to the other side, so as to increase the distance between the cam in the rope grabbing wheel 3 and the inner wall of the first shell 1, so as to insert and penetrate the rope into the inner part of the first shell 1, and after penetrating the rope into the inner part of the first shell 1, the operator can release the rope grabbing wheel 3, at this time, the spring 8 can drive the rope grabbing wheel 3 to rotate to one side, so that the cam of the rope grabbing wheel 3 is in contact with and presses the rope, and then the block 5 is pushed to the bottom of one side, and at the same time, the clamping plate 4 is rotated, so that the clamping plate 4 is normally in contact with the surface of the rope grabbing wheel 3, and at the same time, the block 5 is in contact with the surface of the second shell 2, thereby realizing the locking protection of the rope.

[0049] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A rope protection device comprising a first housing (1); characterized in that: The inside of the first shell (1) is rotatably installed with a rotating shaft (12), one end of the rotating shaft (12) is rotatably connected with a second shell (2), the periphery of the rotating shaft (12) is rotatably installed with a rope grabbing wheel (3), the inside of the first shell (1) is fixedly connected with a spring (8), the spring (8) extends to the inside of the rope grabbing wheel (3) in the periphery of the rotating shaft (12), and the surface of one end of the spring (8) is fixedly connected with the surface of the second shell (2), the inside of the first shell (1) at the top of the rope grabbing wheel (3) is rotatably connected with a roller shaft (7), one end of the roller shaft (7) extends to the inside of the second shell (2) and is rotatably connected with the second shell (2), the inside of the first shell (1) at the top of the rope grabbing wheel (3) is rotatably installed with a stop block (5), the stop block (5) is rotatably connected with the second shell (2), and the stop block (5) is located on one side of the roller shaft (7), the other side of the stop block (5) is rotatably installed with a clamping plate (4), the clamping plate (4) is attached to the outer surface of the roller shaft (7), and the bottom surface of the clamping plate (4) is pressed against the top surface of the rope grabbing wheel (3).

2. A rope protector according to claim 1, characterised in that: The surface of one side of the stop block (5) is attached with a non-slip pad (6), and the material of the non-slip pad (6) is rubber.

3. A rope protector according to claim 2, characterised in that: The top of the stop block (5) is provided with a plurality of first protrusions (10).

4. A rope protector according to claim 3, characterised in that: The bottom of the stop block (5) is provided with a plurality of second protrusions (11).

5. A rope protector according to claim 4, characterised in that: The other side surface of the stop block (5) at one end of the clamping plate (4) is pressed against the one side surface of the second shell (2).

6. A rope protector according to claim 1, characterized in that: There is a certain spacing between the one side of the second shell (2) and the first shell (1).

7. A rope protector according to claim 1, characterized in that: The inside of the rope grabbing wheel (3) near the other side is provided with a plurality of grooves (9).