Connecting fastener for reverse installation of flexible pipe cable bending limiter

By designing a snap-fit ​​fixing structure connecting the housing and the clamping block, the problem of inconvenient reverse installation of the flexible cable bend limiter was solved, achieving a stable and space-saving installation effect.

CN224049898UActive Publication Date: 2026-03-27SHENZHEN OFFSHORE OIL ENG UNDERWATER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the existing technology, flexible cable bend limiters are inconvenient to install in reverse, resulting in limited installation space and difficulty in effective fixation.

Method used

A connecting fastener was designed, including a connecting housing, a partition, and a clamping block. The flexible cable bend limiter can be installed in reverse by snapping the clamping block with the limiting block and fixing it with bolts, thus ensuring stable clamping.

Benefits of technology

This technology enables stable reverse installation of flexible cable bend limiters, saving installation space and improving installation efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of connecting fasteners, in particular to a connecting fastener for reverse installation of flexible pipe cable bending limiters, which comprises a connecting shell, a connecting groove is formed in the side wall of the connecting shell in a penetrating manner, an installation groove communicated with the connecting groove is formed in the connecting shell, and a plurality of pipe cable bending limiters are symmetrically clamped and installed in the installation groove. And a plurality of telescopic grooves are symmetrically formed in the side walls of the partition plates. The connecting fastener for reverse installation of the flexible pipe cable bending limiter is provided with connecting shells, springs in telescopic grooves push clamping blocks to stretch out, the clamping blocks abut against the side walls of limiting blocks so as to clamp and fix the pipe cable bending limiter, a clamping bolt in a clamping screw hole of the connecting shell on one side is screwed to be installed in a clamping screw hole in the other side in a threaded mode, and therefore the pipe cable bending limiter can be clamped and fixed. And the connecting shells on the two sides are attached, and limiting blocks of the pipe cable bending limiting device are clamped and fixed through the mounting grooves, so that the pipe cable bending limiting device is clamped and fixed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connecting fastener, especially for a kind of connecting fastener for the reverse installation of flexible pipe cable bend limiter. BACKGROUND

[0002] Flexible pipe cable is small in bending stiffness, and overbending, fatigue and other damages easily occur in the suspended section, so it is necessary to install bend limiter at the first end or the last end of flexible pipe cable or at the overcalculated suspended section of routing section, which can effectively prevent the damage of flexible pipe cable during installation and operation. The basic structure of bend limiter is that multiple half-tile cylinders are nested with each other, and the nested installation has a direction requirement for the bend limiter, that is, the tail of the front bend limiter is a small-diameter half-tile, and the head of the rear bend limiter is a large-diameter half-tile, and the large-diameter half-tile of the rear bend limiter is used to fasten the small-diameter half-tile of the front bend limiter to realize nesting. In actual construction, the bend limiter is often installed at the end, and due to the characteristics of the project and the construction ship resources, the installation space is limited, so the bend limiter at the end of the pipe cable needs to be installed in two directions to save deck space.

[0003] A kind of submarine cable tensile bend limiter is disclosed in Chinese patent CN222463979U, which connects and fixes multiple limiting locking sleeves by setting concave limiting clamping groove and limiting installation protrusion, but when the bend limiter needs to be installed reversely, it is inconvenient to install the pipe cable bend limiter reversely, therefore, a connecting fastener for reverse installation of flexible pipe cable bend limiter is provided. SUMMARY

[0004] The main purpose of the utility model is to provide a connecting fastener for reverse installation of flexible pipe cable bend limiter to solve the problem of inconvenience in reverse installation of pipe cable bend limiter when the bend limiter needs to be installed reversely in related technologies.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a connecting fastener for reverse installation of flexible pipe cable bend limiter is provided, which includes a connecting shell, a connecting slot is formed through the side wall of the connecting shell, an installation slot is formed in the connecting shell and communicates with the connecting slot, and a plurality of pipe cable bend limiters are symmetrically clamped and installed in the installation slot.

[0006] Further, the partition plate is in a semicircular ring structure, the partition plate is fixedly installed in the middle part of the installation slot, and a fillet is formed at the edge of the arc-shaped inner wall of the partition plate.

[0007] Further, the expansion slot is in an arc structure, a plurality of springs are fixedly installed at the bottom of the expansion slot, and the other end of the spring is fixedly installed on one side of the clamping block.

[0008] Further, the clamping block is an arc-shaped structure matched with the telescopic slot, and a round corner is formed at the edge of the surface of the clamping block, and the clamping block is made of flexible material.

[0009] Further, the connecting shell is a semi-circular ring structure, and two connecting shells are symmetrically arranged at the center of the side wall of the connecting shell, and the two connecting shells form a ring structure.

[0010] Further, a plurality of mounting blocks are symmetrically and fixedly installed on the arc wall of the connecting shell near the two side edges.

[0011] Further, a plurality of clamping screw holes are formed through the side wall of the mounting block, and clamping bolts are screw-installed in the clamping screw holes.

[0012] Further, a limiting block is fixedly installed at one end of the pipe cable bending limiter, and the pipe cable bending limiter is clamped and installed in the mounting slot through the limiting block, and a round corner is formed at the slot opening of the mounting slot.

[0013] Further, a fixed plate is fixedly installed on the side wall of the connecting shell near one side edge.

[0014] Further, a clamping slot is formed on the side wall of the connecting shell near the other side edge, a plurality of fixed screw holes communicating with the clamping slot are formed on the arc wall of the connecting shell, fixed bolts are screw-installed in the fixed screw holes, and an inclined angle inclined into the clamping slot is formed at the slot opening of the clamping slot.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The connecting fastener for reverse installation of the flexible pipe cable bending limiter, the connecting shell is symmetrically arranged at the center, the connecting slot is formed through the side wall of the connecting shell, the two connecting shells form a ring structure, the mounting slot communicating with the connecting slot is symmetrically formed in the connecting shell, the pipe cable bending limiter is clamped and installed in the mounting slot through the limiting block, a plurality of telescopic slots are symmetrically formed in the side wall of the baffle, the spring in the telescopic slot pushes the clamping block to extend, the limiting block side wall is tightly pressed by the clamping block, the pipe cable bending limiter is clamped and fixed, the clamping bolt of one side of the connecting shell is screwed into the clamping screw hole of the other side of the connecting shell, the two connecting shells are attached, the limiting block of the pipe cable bending limiter is clamped and fixed in the mounting slot, and the pipe cable bending limiter is clamped and fixed.

[0017] 2. The connecting fastener for reverse installation of the flexible pipe cable bending limiter, the clamping slot is formed on the side wall of the connecting shell near one side edge, an inclined angle inclined into the clamping slot is formed at the slot opening of the clamping slot, the fixed plate is fixedly installed on the side wall of the connecting shell near the other side edge, the fixed plate is inserted into the clamping slot, so that the two connecting shells are aligned, and the connecting shell can be smoothly installed on the pipe cable bending limiter. BRIEF DESCRIPTION OF DRAWINGS:

[0018] Figure 1 It is the mounting structure schematic view of pipe cable bending limiter in the preferred embodiment of the utility model;

[0019] Figure 2 It is the mounting sectional structure schematic view of pipe cable bending limiter in the preferred embodiment of the utility model;

[0020] Figure 3 It is the combined structure schematic view of connecting shell in the preferred embodiment of the utility model;

[0021] Figure 4 It is the structure schematic view of connecting shell in the preferred embodiment of the utility model;

[0022] Figure 5 It is the sectional structure schematic view of telescopic groove in the preferred embodiment of the utility model;

[0023] Figure 6 It is the application schematic view of reverse connecting fastener in the preferred embodiment of the utility model.

[0024] Illustration:

[0025] 1, pipe cable bending limiter; 11, limiting block;

[0026] 2, connecting shell; 21, connecting groove; 22, mounting groove; 23, mounting block; 24, fixed plate; 25, clamping groove; 231, clamping screw hole; 251, fixed screw hole;

[0027] 3, partition; 31, telescopic groove; 32, spring; 33, clamping block. Specific embodiments

[0028] In order to further illustrate the technical means and effects adopted by the utility model for realizing the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the preferred embodiments and the drawings.

[0029] Please refer to Figures 1-6The purpose of the embodiment shown is to provide a connecting fastener for reverse installation of a flexible pipe cable bend limiter, comprising a connecting shell 2, a connecting groove 21 is formed through the side wall of the connecting shell 2, a mounting groove 22 is formed in the connecting shell 2 and communicates with the connecting groove 21, and a plurality of pipe cable bend limiters 1 are symmetrically clamped and mounted in the mounting groove 22; further comprising a partition plate 3, the partition plate 3 is fixedly installed in the mounting groove 22, a plurality of expansion grooves 31 are symmetrically formed in the side wall of the partition plate 3, and clamping blocks 33 are slidably installed in the expansion grooves 31; the pipe cable bend limiter 1 is clamped and fixed by clamping the limiting block 11 to the mounting groove 22 and combining the connecting shells 2 on both sides, so as to realize reverse installation of the pipe cable bend limiter 1, wherein the connecting shell 2 is preferably made of alloy or carbon steel to ensure the rigidity of the fastener and prevent deformation during installation and water entry construction.

[0030] The partition plate 3 is in a semicircular ring structure, the partition plate 3 is fixedly installed in the middle of the mounting groove 22, and a fillet is formed at the edge of the arc-shaped inner wall of the partition plate 3; the fillet at the edge of the arc-shaped inner wall of the partition plate 3 prevents scratching of the pipe cable bend limiter 1 during installation.

[0031] The expansion groove 31 is in an arc structure, a plurality of springs 32 are fixedly installed at the bottom of the expansion groove 31, and the other end of the spring 32 is fixedly installed on one side of the clamping block 33.

[0032] The clamping block 33 is in an arc structure matched with the expansion groove 31, a fillet is formed at the edge of the surface of the clamping block 33, and the clamping block 33 is made of flexible material; the spring 32 pushes the clamping block 33 to tightly press against the side wall of the limiting block 11, so as to improve the clamping stability of the pipe cable bend limiter 1, and the clamping block 33 made of flexible material is more closely attached to the limiting block 11.

[0033] The connecting shell 2 is in a semicircular ring structure, two connecting shells 2 are centrally and symmetrically arranged at the center of the side wall of the connecting shell 2, the side walls of the two connecting shells 2 are attached to each other, the two connecting shells 2 form a ring structure, and the pipe cable bend limiter 1 is clamped and fixed by the two connecting shells 2.

[0034] A plurality of mounting blocks 23 are symmetrically fixedly installed at the arc wall near the edges of the two sides of the connecting shell 2, and the two connecting shells 2 are connected by the mounting blocks 23.

[0035] A plurality of clamping screw holes 231 are formed through the side wall of the mounting block 23, clamping bolts are threadedly installed in the clamping screw holes 231, the clamping bolts in the clamping screw holes 231 on one side of the connecting shell 2 are screwed, the clamping bolts are threadedly installed in the clamping screw holes 231 on the other side of the connecting shell 2, and the two connecting shells 2 are fixedly attached to each other.

[0036] The pipe cable bending limiter 1 is fixedly installed with a limiting block 11 at one end, and the pipe cable bending limiter 1 is clamped and installed in the installation groove 22 through the limiting block 11.

[0037] The connecting shell 2 is fixedly installed with a fixed plate 24 at the side wall near one side edge.

[0038] The connecting shell 2 is provided with a clamping groove 25 at the side wall near the other side edge, and the arc wall of the connecting shell 2 is provided with a plurality of fixed screw holes 251 communicating with the clamping groove 25, the fixed screw holes 251 are screw-threadedly installed with fixed bolts, and the clamping groove 25 is provided with an inclined angle inclined into the clamping groove 25 at the groove opening, so that the fixed plate 24 on the other connecting shell 2 is inserted into the clamping groove 25, the two connecting shells 2 are aligned by inserting the fixed plate 24 into the clamping groove 25, the connecting shell 2 is installed on the pipe cable bending limiter 1, and the fixed plate 24 is tightly pressed by screwing the fixed bolts in the fixed screw holes 251, so that the two connecting shells 2 are fixed.

[0039] In the specific use, the pipe cable bending limiter 1 needs to be installed reversely, the limiting block 11 at one end of the pipe cable bending limiter 1 is clamped into the installation groove 22, the side wall of the fixed plate 24 is symmetrically provided with a plurality of expansion grooves 31, the spring 32 in the expansion groove 31 pushes the clamping block 33 to extend out, the clamping block 33 extrudes and fixes the limiting block 11, the clamping stability of the pipe cable bending limiter 1 in the direction of installation is improved, the fixed plate 24 on one connecting shell 2 is inserted into the clamping groove 25 on the other connecting shell 2, the two connecting shells 2 are aligned, the clamping screw hole 231 of the one connecting shell 2 is screw-threadedly installed with the clamping bolt in the clamping screw hole 231 of the other connecting shell 2, the two connecting shells 2 are fixed when the side walls of the two connecting shells 2 are attached, the fixed plate 24 is tightly pressed by screwing the fixed bolt in the fixed screw hole 251, and the clamping stability of the pipe cable bending limiter 1 is improved.

[0040] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above with a preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art can make some changes or modifications to the equivalent embodiments with the disclosed technical content without departing from the technical scheme range of the utility model, and any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belong to the range of the technical scheme of the utility model.

Claims

1. A connection fitting for reverse installation of a flexible pipe cable bend limiter comprising a connection housing (2), characterised in that, The connecting shell (2) side wall is provided with a connecting groove (21), the connecting shell (2) is provided with an installation groove (22) communicated with the connecting groove (21), a plurality of pipe cable bend limiters (1) are symmetrically clamped and installed in the installation groove (22), and the pipe cable bend limiter (1) further comprises: A partition plate (3) is fixedly installed in the installation groove (22), and a plurality of expansion grooves (31) are symmetrically formed in the side wall of the partition plate (3); the expansion groove (31) is slidably installed with a clamping block (33).

2. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, The partition plate (3) is a semicircular ring structure, the partition plate (3) is fixedly installed in the middle of the installation groove (22), and a fillet is formed at the edge of the arc-shaped inner wall of the partition plate (3).

3. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, The expansion groove (31) is an arc-shaped structure, a plurality of springs (32) are fixedly installed at the bottom of the expansion groove (31), and the other end of the spring (32) is fixedly installed on one side of the clamping block (33).

4. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, The clamping block (33) is an arc-shaped structure matched with the expansion groove (31), a fillet is formed at the edge of the surface of the clamping block (33), and the clamping block (33) is made of flexible material.

5. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, The connecting shell (2) is a semicircular ring structure, and the connecting shell (2) is centrally symmetrically arranged at the center of the side wall of the connecting shell (2), and two connecting shells (2) form a ring structure.

6. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, The arc wall of the connecting shell (2) is symmetrically fixedly installed with a plurality of installation blocks (23) near the two side edges.

7. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 6, characterised in that, The side wall of the installation block (23) is provided with a plurality of clamping screw holes (231), and the clamping screw holes (231) are screwedly installed with clamping bolts.

8. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, One end of the pipe cable bend limiter (1) is fixedly installed with a limiting block (11), the pipe cable bend limiter (1) is clamped and installed in the installation groove (22) through the limiting block (11), and a fillet is formed at the slot opening of the installation groove (22).

9. A connection fitting for reverse installation of a flex cable bender according to claim 1, wherein, The connecting shell (2) is fixedly installed with a fixed plate (24) near one side edge of the side wall.

10. A connection fitting for reverse installation of a flexible pipe cable bend limiter according to claim 1, characterised in that, The connecting shell (2) is provided with a clamping groove (25) near the other side edge of the side wall, the arc wall of the connecting shell (2) is provided with a plurality of fixed screw holes (251) communicated with the clamping groove (25), the fixed screw holes (251) are screwedly installed with fixed bolts, and an inclined angle is formed at the slot opening of the clamping groove (25) and inclined to the clamping groove (25).

Citation Information

Patent Citations

  • Submarine cable tensile bending limiting device

    CN222463979U