Anti-slip cold-contraction three-finger stall

By introducing a limiting rod and a limiting spring into the cold-shrink three-finger sleeve for cables, combined with the design of a screw and a limiting plate, the problem of insufficient cable fixing force is solved, achieving anti-slip and stable connection.

CN224110863UActive Publication Date: 2026-04-10HANGZHOU HARMONY TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing cold-shrink three-finger sleeves for cables lack anti-slip function, resulting in insufficient cable fixing force. They are prone to displacement due to vibration, external pulling force, or thermal expansion and contraction, reducing connection stability.

Method used

A three-finger sleeve with anti-slip and cold shrinkage mechanism was designed. By setting a limiting rod and a limiting spring inside the sleeve, the spring force is used to hold the side of the cable, and the cable is clamped and limited by the cooperation of the screw and the limiting plate, thereby enhancing the tightness of the connection.

Benefits of technology

It improves the connection stability between the cable and the three-finger sleeve, prevents slippage, ensures that the cable does not shift under vibration or external force, and enhances the stability of cable installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-slip cold-shrink three-finger stall which comprises a stall body, the top of the stall body is fixedly connected with three finger stalls, one side of each finger stall is fixedly connected with a first sleeve, the interior of each first sleeve is movably connected with a limiting rod, the outer wall of each limiting rod is fixedly connected with a first fixing ring, and the outer wall of each first fixing ring is fixedly connected with a second fixing ring. A first sleeve is fixedly connected to the inner wall of the sleeve body, a second fixing ring is fixedly connected to the inner wall of the first sleeve, a second sleeve is fixedly connected to the inner wall of the sleeve body, an extension spring is fixedly connected to the inner wall of the second sleeve, a movable rod is fixedly connected to the other end of the extension spring, a limiting plate is fixedly connected to the other end of the movable rod, and a screw is movably connected to the inner wall of the sleeve body. One end of a limiting rod is driven by elastic force generated when a limiting spring is stretched to abut against the side face of a cable, the stability of connection between the cable and the inner wall of the fingerstall is improved, a limiting plate can be driven to move by rotating a screw, then the cable can be clamped and limited, the cable is prevented from slipping, and the stability of connection between the cable and the three-fingerstall is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable finger sleeve technical field, especially anti -skid cold shrink three finger sleeve. BACKGROUND

[0002] The cable anti -skid cold shrink three finger sleeve is mainly used for cable terminal head or intermediate joint, provides additional insulation protection for the cable, enhances the insulation performance of the cable at the terminal and joint part, prevents the leakage, short circuit and other faults between the cable core and the outside, and ensures the safety and stability of power transmission.

[0003] But the existing cable cold shrink three finger sleeve does not have the anti -skid function, the fixing force of three finger sleeve to the cable is insufficient, the cable can displace due to vibration, external force pulling or thermal expansion and cold shrink, and then reduces the stability of the connection of the cable and three finger sleeve. UTILITY MODEL CONTENTS

[0004] The utility model discloses a cold shrink three finger sleeve, solve the existing cable cold shrink three finger sleeve not have the anti -skid function, the fixing force of three finger sleeve to the cable is insufficient, the cable can displace due to vibration, external force pulling or thermal expansion and cold shrink, reduce the stability of the connection of the cable and three finger sleeve.

[0005] In order to realize the above -mentioned purpose, provide anti -skid cold shrink three finger sleeve, including: sleeve body, the top of sleeve body is fixedly connected with three finger sleeves, one side of three finger sleeves is fixedly connected with sleeve one, the inside movable connection of sleeve one is connected with the limiting rod, the outer wall of limiting rod is fixedly connected with fixed ring no.

[0006] The inner wall of sleeve body is fixedly connected with sleeve two, the inner wall of sleeve two is fixedly connected with the stretch spring, the other end of stretch spring is fixedly connected with movable rod, the other end of movable rod is fixedly connected with limiting plate, the inner wall of sleeve body is movably connected with screw rod, and the clamping and limiting of cable are convenient.

[0007] According to the anti -skid cold shrink three finger sleeve, the outer wall of limiting rod is provided with limiting spring, and the two ends of limiting spring are fixedly connected with fixed ring no.

[0008] According to the anti -skid cold shrink three finger sleeve, sleeve one and finger sleeve are communicated, and the inner wall of sleeve one is slidably connected with limiting rod, so that the telescopic of limiting rod is convenient.

[0009] According to the anti -skid cold shrink three finger sleeve, the end of limiting rod is semicircular, and the end of limiting rod is made of rubber material, so as to avoid damaging the cable during limiting.

[0010] According to the anti-slip cold shrink three-finger sleeve, three screw holes are arranged on the outer wall of the sleeve body, and the three screw holes are arranged in a circumferential array, so that the cable is clamped and limited.

[0011] According to the anti-slip cold shrink three-finger sleeve, the inner wall of the screw hole and the outer wall of the screw rod are provided with threads, the screw rod and the screw hole are matched with each other through threads, and the movement of the limiting plate is facilitated.

[0012] According to the anti-slip cold shrink three-finger sleeve, the shape and size of the movable rod are matched with the shape and size of the sleeve two, and the movable rod is slidably connected with the inner wall of the sleeve two, so that the movement of the limiting plate is facilitated.

[0013] According to the anti-slip cold shrink three-finger sleeve, one side of the limiting plate is fixedly connected with a rotating shaft seat, and one end of the screw rod is rotatably connected with the rotating shaft seat, so that the rotation of the screw rod is facilitated.

[0014] The anti-slip cold shrink three-finger sleeve has the beneficial effects that the sleeve one is arranged on the side of the finger sleeve, the limiting spring and the limiting rod are arranged in the sleeve one, the elastic force generated by the limiting spring when being stretched drives the limiting rod to abut against the side of the cable, the tightness of the connection between the cable and the inner wall of the finger sleeve is improved, the screw rod and the limiting plate are arranged in the sleeve body, the movement of the limiting plate is driven by rotating the three screw rods, the cable can be clamped and limited, displacement of the cable due to vibration and other factors is avoided, the stability of the connection between the cable and the three-finger sleeve is improved, and cable slipping is prevented.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 It is a perspective view of the anti-slip cold shrink three-finger sleeve of the present application.

[0018] Figure 2 It is a sectional view of the anti-slip cold shrink three-finger sleeve of the present application.

[0019] Figure 3 It is a sectional view of the anti-slip cold shrink three-finger sleeve of the present application. Figure 2 It is an enlarged view of part A.

[0020] Figure 4 It is a sectional view of the bottom structure of the anti-slip cold shrink three-finger sleeve of the present application.

[0021] LEGEND

[0022] 1, the sleeve body; 2, finger sleeve; 3, sleeve one; 4, limiting rod; 5, fixed ring one; 6, limiting spring; 7, fixed ring two; 8, screw hole; 9, sleeve two; 10, tension spring; 11, movable rod; 12, limiting plate; 13, screw rod; 14, rotating shaft seat. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Referring to Figures 1-4 , the utility model embodiment anti -skid cold shrink three finger sleeve, it includes: sleeve body 1, the top of sleeve body 1 is fixedly connected with three finger sleeves 2, one side of three finger sleeves 2 is fixedly connected with sleeve one 3, the inside movable connection of sleeve one 3 is limited rod 4, the outer wall of limiting rod 4 is fixedly connected with fixed ring one 5, the inner wall of sleeve one 3 is fixedly connected with fixed ring two 7, limiting rod 4 can be prevented from cable slipping by toping cable, the tightness of cable and finger sleeve 2 inner wall connection is improved;

[0025] The inner wall of sleeve body 1 is fixedly connected with sleeve two 9, the inner wall of sleeve two 9 is fixedly connected with tension spring 10, the other end of tension spring 10 is fixedly connected with movable rod 11, the other end of movable rod 11 is fixedly connected with limiting plate 12, the inner wall of sleeve body 1 is movably connected with screw rod 13, the movement of limiting plate 12 can be driven by rotating screw rod 13, then three limiting plates 12 can be used to clamp and limit the cable in sleeve body 1, to avoid slipping, and the stability of cable installation is improved.

[0026] The outer wall of limiting rod 4 is sleeved with limiting spring 6, the both ends of limiting spring 6 are fixedly connected with fixed ring one 5 and fixed ring two 7, the end of limiting rod 4 is driven to top one side of cable by the elastic force generated by the stretching of limiting spring 6, and then the cable can be prevented from slipping.

[0027] Sleeve one 3 and finger sleeve 2 are communicated, and the inner wall of sleeve one 3 is slidably connected with limiting rod 4, facilitating the extension and contraction of limiting rod 4, and facilitating the limiting of cable.

[0028] The end of limiting rod 4 is semicircular, and the end of limiting rod 4 is made of rubber material, which is relatively soft, so as to avoid damaging the cable during limiting.

[0029] Three screw holes 8 are formed in the outer wall of sleeve body 1, and the three screw holes 8 are distributed in a circular array.

[0030] The inner wall of the screw hole 8 and the outer wall of the screw rod 13 are provided with threads, the screw rod 13 and the screw hole 8 are matched through the threads, through the cooperation of the screw rod 13 and the screw hole 8, when the screw rod 13 rotates, one end of the screw rod 13 can push the movement of the limiting plate 12, thereby the cable can be clamped and limited, and slipping is avoided.

[0031] The shape and size of the movable rod 11 and the sleeve two 9 are matched with each other, the movable rod 11 and the inner wall of the sleeve two 9 are slidably connected, the movable rod 11 and the sleeve two 9 can guide and limit the limiting plate 12, and the stability of the movement of the limiting plate 12 is improved.

[0032] One side of the limiting plate 12 is fixedly connected with the rotating shaft seat 14, one end of the screw rod 13 is rotatably connected with the rotating shaft seat 14, and the rotation of the screw rod 13 is facilitated.

[0033] Working principle: when the cable is connected, the limiting rod 4 is pulled outward, the cable is sequentially threaded through the three finger sleeves 2, when the cable is threaded through the finger sleeves 2, the limiting rod 4 is loosened, the elastic force generated after the limiting spring 6 is stretched drives one end of the limiting rod 4 to abut against the cable, thereby the stability of the connection between the cable and the inner wall of the finger sleeve 2 is improved, the cable is prevented from slipping, then the three screw rods 13 are sequentially rotated, one end of the screw rod 13 pushes the movement of the three limiting plates 12, thereby the three limiting plates 12 clamp and limit the cable, so that the cable is prevented from being displaced due to vibration or external force pulling and the like, and the stability of the cable installation is improved.

[0034] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A cold shrink three-finger sleeve for preventing slippage, comprising: The utility model relates to a sleeve body (1), its characterized in that, three finger sleeves (2) are fixedly connected to the top of sleeve body (1), one side of three finger sleeves (2) is fixedly connected with sleeve one (3), the inside movable connection of sleeve one (3) is limited link (4), the outer wall fixed connection of limited link (4) has fixed ring no. The inner wall of sleeve body (1) is fixedly connected with sleeve two (9), the inner wall of sleeve two (9) is fixedly connected with stretch spring (10), the other end of stretch spring (10) is fixedly connected with movable rod (11), the other end of movable rod (11) is fixedly connected with limiting plate (12), the inner wall of sleeve body (1) is movably connected with screw rod (13).

2. The cold shrink three-finger sleeve of claim 1, wherein, The outer wall of limited link (4) is sleeved with limiting spring (6), and the two ends of limiting spring (6) are fixedly connected with fixed ring no.

3. The cold shrink three-finger sleeve of claim 1, wherein, Sleeve one (3) and finger sleeve (2) are communicated, and the inner wall of sleeve one (3) is slidably connected with limited link (4).

4. The cold shrink three-finger sleeve of claim 1, wherein, The end of limited link (4) is semicircular, and the end of limited link (4) is made of rubber material.

5. The cold shrink three-finger sleeve of claim 1, wherein, Three screw holes (8) are formed in the outer wall of sleeve body (1), and the three screw holes (8) are arranged in a circular array.

6. The cold shrink three-finger sleeve of claim 5, wherein, The inner wall of screw hole (8) and the outer wall of screw rod (13) are provided with threads, and the screw rod (13) and the screw hole (8) are matched with each other through threads.

7. The cold shrink three-finger sleeve of claim 1, wherein, The shape and size of movable rod (11) and sleeve two (9) are matched with each other, and the inner wall of sleeve two (9) is slidably connected with movable rod (11).

8. The cold shrink three-finger sleeve of claim 1, wherein, One side of limiting plate (12) is fixedly connected with rotating shaft seat (14), and one end of screw rod (13) is rotatably connected with rotating shaft seat (14).