Corner protection device for fire safety rope
By designing rubber sleeves and rubber rings on the fire safety rope, combined with the structure of the drive assembly and the moving plate, the problem of fire safety ropes being prone to breakage at corners was solved, achieving stable fixation of the rope and improved safety.
Patent Information
- Application Number
- CN202423271427.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing fire safety ropes tend to stick to corners at bends, causing the rope to break and reducing its effectiveness and safety.
A fire safety rope corner protection device was designed, including a rubber sleeve and a rubber ring. A driving component drives a moving plate to move, thereby fixing the rubber sleeve to the rope body and avoiding direct contact. Combined with the design of rubber pads and support rods, the stability and safety of the rope body are improved.
It effectively prevents the rope from cutting at corners, improves the performance and safety of use, facilitates the removal and replacement of the rubber sleeve, and enhances the tensile strength and overall stability of the rope.
Smart Images

Figure CN223787964U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire safety rope technology, specifically a fire safety rope corner protection device. Background Technology
[0002] Fire safety ropes are fall protection equipment used by firefighters in fire fighting and rescue, aerial disaster relief, or daily training. They are usually made of high-strength materials such as aramid fibers and can be used normally in extreme temperatures. Aramid fibers have extremely high strength and tensile modulus, and their tensile strength to weight ratio is 6 times that of steel wire. They can operate normally for a long time in the range of -196℃ to 204℃.
[0003] Chinese patent CN220090297U discloses a fire safety rope. This patent discloses a technical solution to improve the fire protection effect. It solves the problem that the existing fire safety ropes only have one layer of fire protection, which results in poor fire protection performance during use and thus reduces safety. In addition, the safety rope has a simple structure with an inner and outer skin that are interlocked, which leads to poor tensile strength of the device and reduces its firmness.
[0004] When in use, the device improves the fire protection effect through the action of the first and second fireproof layers. However, when the safety rope is used at a corner, the safety rope is in close contact with the corner, which can easily cut the safety rope and cause it to break, thus reducing the effectiveness and safety of use. Therefore, a fire safety rope corner protection device is proposed to solve the above problems. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a fire safety rope corner protection device, which has the advantages of convenient protection. It solves the problem that when the device is used, the fire protection effect is improved through the action of the first and second fireproof layers, but when the safety rope is used at a corner, the safety rope is close to the corner, which can easily cut the safety rope, leading to the safety rope breaking and reducing the effectiveness and safety of use.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a fire safety rope corner protection device, comprising a fire safety rope body, wherein a rubber sleeve is fitted on the outer peripheral wall of the fire safety rope body, and mounting rings are fitted on the outer peripheral wall of the fire safety rope body and on both sides of the rubber sleeve.
[0007] Each of the two mounting rings has a connecting groove on one of its opposite sides. The left and right ends of the rubber sleeve extend into the two connecting grooves and are fixedly connected thereto. Each of the two mounting rings has a rubber ring fixedly connected to its inner circumferential wall. The fire safety rope body passes through the two rubber rings. Each of the two mounting rings has two placement grooves on the side away from the rubber sleeve. Each of the two mounting rings has two movable plates placed inside its interior. Each of the two adjacent movable plates has a rubber pad fixedly connected to one of its opposite sides.
[0008] A drive assembly is provided between the four placement slots to drive the moving plate to move.
[0009] Furthermore, the two rubber rings are located between the four movable plates, and the fire safety rope body and the rubber rings are fitted with a clearance.
[0010] Furthermore, the four placement slots are located in pairs at the top and bottom of the fire safety rope body.
[0011] Furthermore, all four movable plates are curved plates.
[0012] Furthermore, the drive assembly includes four drive rods, one end of each of the four drive rods being rotatably connected to the interior of four placement slots via bearings, and the other end of each drive rod penetrating the placement slot and extending into the interior of the mounting ring. A screw with one end extending into the interior of each of the four moving plates is fixedly connected to the side of each moving plate away from the rubber pad. A positioning rod is fixedly connected to the interior of each of the four placement slots. A positioning groove is formed on the outer peripheral wall of each of the four drive rods, and the positioning rod extends into the interior of the positioning groove. A rubber ring is fixedly fitted onto the outer peripheral wall of each of the four positioning rods. Two support holes are formed inside each of the two mounting rings. A support rod with one end penetrating the support hole and extending into the interior of the placement slot is fixedly connected to the side of each of the four moving plates away from the rubber pad.
[0013] Furthermore, the drive rods are rotatably connected by bearings and mounting rings, and each of the four drive rods has a threaded hole on one side near the moving plate. The four screws extend into the interior of the four threaded holes and are threadedly connected to them.
[0014] Furthermore, the positioning rod is an L-shaped elastic rod, the positioning groove is an annular groove, and the rubber ring fits into the positioning groove.
[0015] Furthermore, the support hole and the placement groove are connected, and the support rod and the support hole are fitted with a clearance.
[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0017] 1. This fire safety rope corner protection device protects the fire safety rope body through the action of rubber sleeve and rubber ring, and avoids direct contact between the corner and the fire safety rope body as much as possible, thereby improving the use effect and safety. The movable plate fixes the rubber sleeve and the fire safety rope body, making it convenient for users to disassemble and replace the rubber sleeve.
[0018] 2. This fire safety rope corner protection device moves the movable plate through the threaded connection between the drive rod and the screw, making it convenient for users to operate. The rubber pad protects the surface of the fire safety rope, improving its effectiveness. At the same time, the gap between the support rod and the support hole supports the movable plate, improving its stability and making it more convenient and practical. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of this utility model;
[0020] Figure 2 for Figure 1 Enlarged structural diagram of A in the middle;
[0021] Figure 3 for Figure 1 A magnified structural diagram of B in the middle;
[0022] Figure 4 This is a schematic diagram of the right side of the top movable plate in the structure of this utility model;
[0023] Figure 5 This is a schematic diagram of the left side of the right-side mounting plate in the structure of this utility model.
[0024] In the diagram: 1 Fire safety rope body, 2 Rubber sleeve, 3 Rubber ring, 4 Installation ring, 5 Placement groove, 6 Connecting groove, 7 Positioning rod, 8 Drive rod, 9 Moving plate, 10 Rubber pad, 11 Screw, 12 Support rod, 13 Support hole, 14 Rubber ring, 15 Positioning groove. Detailed Implementation
[0025] 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.
[0026] Example 1: Please refer to Figures 1 to 5The fire safety rope corner protection device in this embodiment includes a fire safety rope body 1, a rubber sleeve 2 fitted on the outer peripheral wall of the fire safety rope body 1, and mounting rings 4 fitted on the outer peripheral wall of the fire safety rope body 1 and on both sides of the rubber sleeve 2.
[0027] Each of the two mounting rings 4 has a connecting groove 6 on one of its opposite sides. The left and right ends of the rubber sleeve 2 extend into the two connecting grooves 6 and are fixedly connected to them. Each of the two mounting rings 4 has a rubber ring 3 fixedly connected to its inner circumferential wall. The fire safety rope body 1 passes through the two rubber rings 3. Each of the two mounting rings 4 has two placement grooves 5 on the side away from the rubber sleeve 2. Each of the two mounting rings 4 has two movable plates 9 placed inside it. Each of the two adjacent movable plates 9 has a rubber pad 10 fixedly connected to one of its opposite sides.
[0028] Among them, two rubber rings 3 are located between four movable plates 9, the fire safety rope body 1 and the rubber rings 3 are fitted with a gap, the four placement slots 5 are located at the top and bottom of the fire safety rope body 1 in pairs, and the four movable plates 9 are all arc-shaped plates.
[0029] It should be noted that the fire safety rope body 1 is a conventional device known to the public in the existing technology, and its specific structure and working principle will not be described in detail in this article.
[0030] Specifically, the rubber sleeve 2 is placed on the fire safety rope body 1. When the rubber sleeve 2 is in the appropriate position, the moving plate 9 moves so that the rubber pad 10 and the fire safety rope body 1 are in contact, and the rubber sleeve 2 is fixed on the fire safety rope body 1. Under the action of the rubber sleeve 2 and the rubber ring 3, the fire safety rope body 1 is protected and the safety is improved.
[0031] Example 2: Please refer to Figures 1 to 5 In this embodiment, based on Example 1, a driving assembly is provided between four placement slots 5. The driving assembly includes four driving rods 8. One end of each of the four driving rods 8 is rotatably connected to the inside of the four placement slots 5 via bearings, and the other end of each rod passes through the placement slot 5 and extends into the inside of the mounting ring 4. A screw 11 with one end extending into the inside of each of the four moving plates 9 is fixedly connected to the side away from the rubber pad 10. A positioning rod 7 is fixedly connected to the inside of each of the four placement slots 5. A positioning slot 15 is opened on the outer peripheral wall of each of the four driving rods 8. The positioning rod 7 extends into the inside of the positioning slot 15. A rubber ring 14 is fixedly fitted on the outer peripheral wall of each of the four positioning rods 7. Two support holes 13 are opened in the inside of each of the two mounting rings 4. A support rod 12 with one end passing through the support hole 13 and extending into the inside of the placement slot 5 is fixedly connected to the side away from the rubber pad 10 of each of the four moving plates 9.
[0032] Among them, the drive rod 8 is rotatably connected by bearing and mounting ring 4. Each of the four drive rods 8 has a threaded hole on one side near the moving plate 9. The four screws 11 extend into the interior of the four threaded holes and are threadedly connected to them. The positioning rod 7 is an L-shaped elastic rod. The positioning groove 15 is an annular groove. The rubber ring 14 fits into the positioning groove 15. The support hole 13 is connected to the placement groove 5. The support rod 12 and the support hole 13 are clearance-fitted.
[0033] Specifically, pull the positioning rod 7 to disengage it from the positioning groove 15, rotate the drive rod 8 to make it rotate, and through the threaded connection between the drive rod 8 and the screw 11 and the clearance fit between the support rod 12 and the support hole 13, the screw 11 drives the moving plate 9 to move. After the rubber sleeve 2 is fixed to the fire safety rope body 1, it pushes the positioning rod 7 to reset. The drive rod 8 is fixed by the fit between the rubber ring 14 and the positioning groove 15.
[0034] The working principle of the above embodiments is as follows:
[0035] The rubber sleeve 2 is fitted onto the fire safety rope body 1. When the rubber sleeve 2 is in the appropriate position, the positioning rod 7 is pulled to disengage from the positioning groove 15. The drive rod 8 is then rotated. Through the threaded connection between the drive rod 8 and the screw 11, and the clearance fit between the support rod 12 and the support hole 13, the screw 11 drives the moving plate 9 to move, causing the rubber pad 10 to fit against the fire safety rope body 1. This fixes the rubber sleeve 2 onto the fire safety rope body 1, thereby pushing the positioning rod 7 to reset. The fit between the rubber ring 14 and the positioning groove 15 fixes the drive rod 8, improving its stability. Furthermore, the rubber sleeve 2 and the rubber ring 3 protect the fire safety rope body 1, enhancing its safety.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fire safety rope corner protection device comprising a fire safety rope body (1), characterized in that: The outer peripheral wall of the fire safety rope body (1) is sleeved with a rubber sleeve (2), and the outer peripheral wall of the fire safety rope body (1) and located on both sides of the rubber sleeve (2) is sleeved with a mounting ring (4); The opposite side of the two mounting rings (4) is provided with a connecting groove (6), the left and right ends of the rubber sleeve (2) extend into the two connecting grooves (6) and are fixedly connected therewith, the inner peripheral wall of the two mounting rings (4) is fixedly connected with a rubber ring (3), the fire safety rope body (1) penetrates through the two rubber rings (3), the side of the two mounting rings (4) away from the rubber sleeve (2) is provided with two placing grooves (5), the inside of the two mounting rings (4) is placed with two moving plates (9), the opposite side of the two adjacent moving plates (9) is fixedly connected with a rubber pad (10). Four driving assemblies are arranged between the four placing grooves (5) to drive the moving plates (9) to move.
2. A fire safety rope corner protector according to claim 1, characterized in that: The two rubber rings (3) are located between the four moving plates (9), and the fire safety rope body (1) and the rubber ring (3) are in clearance fit.
3. A fire safety rope corner protector according to claim 2, characterized in that: The four placing grooves (5) are arranged in two groups respectively at the top and bottom of the fire safety rope body (1).
4. A fire safety rope corner protector according to claim 3, characterized in that: The four moving plates (9) are all arc plates.
5. The fire safety rope corner protector of claim 1, wherein: The driving assembly comprises four driving rods (8), one end of the four driving rods (8) is rotatably connected in the four placing grooves (5) through bearings respectively, the other end penetrates the placing grooves (5) and extends to the inside of the mounting ring (4), the side of the four moving plates (9) away from the rubber pad (10) is fixedly connected with a screw rod (11) extending to the inside of the driving rod (8), the inside of the four placing grooves (5) is fixedly connected with a positioning rod (7), the outer peripheral wall of the four driving rods (8) is provided with a positioning groove (15), the positioning rod (7) extends to the inside of the positioning groove (15), the outer peripheral wall of the four positioning rods (7) is fixedly sleeved with a rubber ring (14), the inside of the two mounting rings (4) is provided with two support holes (13), the side of the four moving plates (9) away from the rubber pad (10) is fixedly connected with a support rod (12) penetrating the support hole (13) and extending to the inside of the placing groove (5).
6. A fire safety rope corner protector according to claim 5, characterized in that: The driving rod (8) is rotatably connected with the mounting ring (4) through the bearing, the side of the four driving rods (8) close to the moving plate (9) is provided with a threaded hole, and the four screw rods (11) extend into the four threaded holes and are threadedly connected therewith.
7. A fire safety rope corner protector according to claim 6, characterized in that: The positioning rod (7) is an L-shaped elastic rod, the positioning groove (15) is an annular groove, and the rubber ring (14) and the positioning groove (15) are attached.
8. A fire safety rope corner protector according to claim 7, characterized in that: The support hole (13) and the placing groove (5) are communicated, and the support rod (12) and the support hole (13) are in clearance fit.
Citation Information
Patent Citations
Fire safety rope
CN220090297U