End sealing type rigging fastener

The design of bidirectional threaded connection and end cap retaining ring solves the problem of rigging fasteners loosening and falling off in high-intensity working environments, improves the service life and stability of the device, and reduces safety hazards.

CN223578699UActive Publication Date: 2025-11-21SHANDONG CHENLI RIGGING CO LTD
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Patent Information

Application Number
CN202422959301.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-21
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing rigging fasteners are prone to loosening in high-intensity working environments, posing a safety hazard of falling off.

Method used

The fastener body and connecting shaft are fixed by a two-way threaded connection, and the end cap and retaining ring are used to increase the force-bearing area. At the same time, the locking element limits the rotation angle of the end cap to prevent loosening.

Benefits of technology

It improves the service life and stability of rigging fasteners, reduces safety hazards, and enhances the reliability of connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rigging fasteners, in particular to an end sealing type rigging fastener which comprises a fastener body, inserting holes are formed in the two ends of the top of the fastener body, connecting shafts are arranged in the inserting holes in an inserted mode, fixing pieces are arranged at the positions of the connecting shafts and the inserting holes, and locking pieces are arranged on the upper sides of the fixing pieces. The fixing piece comprises a first end cover and a second end cover which are connected to the outer portion of the connecting shaft in a sleeving mode. The fastener body and the connecting shaft are fixed through the fixing piece in a bidirectional threaded connection mode, the loosening probability in the follow-up using process is reduced, the stress area of the connecting shaft and the fastener body is greatly increased through the mode that the end cover is matched with the clamping ring, the service life of the device is prolonged, the stability in the using process is improved, and the practicability is high. And meanwhile, the rotation angle of the end cover can be further limited through the locking piece, the end cover is prevented from loosening in the follow-up using process, and potential safety hazards are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rigging fastener, especially relates to an end-sealing rigging fastener. BACKGROUND

[0002] Rigging refers to equipment used in conjunction with ropes and cables. Rigging includes D-type, safety hooks, spring hooks, tight rigging, link double-ring buckles, and American-style ring sling bolts, etc.

[0003] Regardless of the type of rigging, it needs to be connected through a fastener. The current fastener commonly uses a nut to tighten the connection.

[0004] However, this connection method has certain safety hazards. In a high-strength operating environment, the nut and the connecting shaft are prone to loosening, which poses a safety hazard of falling off. INVENTION CONTENTS

[0005] The utility model aims at providing an end-sealing rigging fastener. The fixing part of the application uses a bidirectional threaded connection method to fix the fastener body and the connecting shaft, reducing the probability of loosening in the subsequent use process. The connecting shaft and the fastener body have a greatly increased stress area through the cooperation of the end cap and the snap ring, improving the service life and stability of the device during use. The locking part further limits the rotation angle of the end cap, avoiding loosening in the subsequent use process and reducing safety hazards, thereby solving the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an end-sealing rigging fastener, comprising a fastener body, a through hole is formed at the top of both ends of the fastener body, and a connecting shaft is inserted and connected in the through hole. The connecting shaft and the through hole are both provided with a fixing part, and the fixing part is provided with a locking part on the upper side.

[0007] The fixing part includes an end cap one and an end cap two that are sleeved on the outside of the connecting shaft. The end cap one and the end cap two are distributed on both sides of one end of the fastener body. The end cap one and the end cap two are both threadedly connected with the connecting shaft, and the end cap one and the end cap two are threadedly connected with the connecting shaft in opposite directions.

[0008] Preferably, one end of the fastener body is integrally fixedly connected with a snap ring one and a snap ring two at the corresponding positions of the end cap one and the end cap two on both sides, respectively. The snap ring one corresponds to the end cap one, and the snap ring two corresponds to the end cap two.

[0009] Preferably, the inner diameter of the end cap one and the end cap two matches the outer diameter of the snap ring one and the snap ring two.

[0010] Preferably, the locking piece comprises a connecting rod fixedly screwed on the end of the fastener body, a fixed plate sleeved on the connecting rod, and the connecting rod and the fixed plate are movably connected, and the connecting rod is designed in a T-shaped structure.

[0011] Preferably, the outer part of the connecting rod is sleeved with a spring, the bottom of the spring is in contact with the fixed plate, and the top of the spring is in contact with the lower side of the T-shaped end of the connecting rod.

[0012] Preferably, the two sides of the fixed plate are fixed with arc-shaped locking plates at positions corresponding to the end cover one and the end cover two, and the lower end surface of the locking plate is equidistantly distributed with locking teeth, the outer part of the end cover one and the end cover two is provided with a locking groove, and the locking teeth are engaged and connected in the locking groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the fixing piece designed in the application is fixed to the fastener body and the connecting shaft in a bidirectional threaded connection manner, the probability of loosening in the subsequent use process is reduced, the stress area of the connecting shaft and the fastener body is greatly increased through the cooperation of the end cover and the snap ring, the service life and the stability in the use process of the device are improved, and the rotation angle of the end cover is further limited by the locking piece, so that the end cover is prevented from loosening in the subsequent use process, and the safety hidden danger is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure section view of the utility model;

[0015] Figure 2 It is the combination schematic view of the fixed plate and the locking plate of the utility model;

[0016] Figure 3 It is the Figure 1 It is the enlarged view of A in the middle.

[0017] LEGEND:

[0018] 1, fastener body; 2, connecting shaft; 4, snap ring one; 5, end cover one; 6, end cover two; 7, snap ring two; 8, through hole; 9, locking plate; 10, fixed plate; 11, connecting rod; 12, spring; 13, locking tooth; 14, locking groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-3 The utility model provides a technical scheme:

[0021] A kind of end seal type rigging fastener, including fastener main body 1, the top both ends of the fastener main body 1 are equipped with the through hole 8 of inserting, and the connecting shaft 2 of inserting is arranged in the through hole 8, the connecting shaft 2 with the through hole 8 are equipped with fixing piece, and the upper side of fixing piece is equipped with locking piece;

[0022] The fixing piece includes end cap one 5 and end cap two 6 that are sleeved on the outside of connecting shaft 2, wherein end cap one 5 and end cap two 6 are distributed at both sides of one end of fastener main body 1, end cap one 5 and end cap two 6 are all threadedly connected with connecting shaft 2, and the threadedly connected direction of end cap one 5 and end cap two 6 is opposite.

[0023] Specifically, one end of the fastener main body 1 is integrally fixedly connected with a snap ring one 4 and a snap ring two 7 at corresponding positions of the snap ring one 4 and the snap ring two 7 on both sides of the one end, wherein the snap ring one 4 corresponds to the end cap one 5, the snap ring two 7 corresponds to the end cap two 6, the end cap two 6 is placed at the through hole 8 designed at the end of the fastener main body 1, then the user penetrates the connecting shaft 2 through the through hole 8 and the end cap two 6, the end cap two 6 is threadedly connected with the connecting shaft 2, and the threadedly connected direction of the two end cap two 6 and the connecting shaft 2 is opposite, then the fixation of the fastener main body 1 and the connecting shaft 2 is initially realized.

[0024] Specifically, the inner diameter of the end cap one 5 and the end cap two 6 matches the outer diameter of the snap ring one 4 and the snap ring two 7.

[0025] Specifically, the locking piece includes a connecting rod 11 that is fixedly connected with the end of the fastener main body 1 by threads, a fixed plate 10 is sleeved on the connecting rod 11, and the connecting rod 11 is movably connected with the fixed plate 10, and the connecting rod 11 is designed in a T-shaped structure.

[0026] Specifically, a spring 12 is sleeved on the outside of the connecting rod 11, the bottom of the spring 12 is in contact with the fixed plate 10, and the top of the spring 12 is in contact with the lower side of the T-shaped end of the connecting rod 11.

[0027] Specifically, the fixed plate 10 is fixed with an arc-shaped locking plate 9 at corresponding positions of the end cap one 5 and the end cap two 6 on both sides, the locking plate 9 is provided with locking teeth 13 at equal distances on the lower end surface, the end cap one 5 and the end cap two 6 are provided with locking grooves 14 on the outside, the locking teeth 13 are engaged with the locking grooves 14, the user sleeves the spring 12 on the connecting rod 11, penetrates the fixed plate 10, and threadedly fixes the end of the fastener main body 1, the locking plate 9 on both sides of the fixing piece is engaged with the locking grooves 14 on the outside of the end cap one 5 and the end cap two 6 through the locking teeth 13, for further limiting the angle after the rotation fixation of the end cap, to avoid the subsequent loosening and falling off of the end cap.

[0028] Working principle:

[0029] In operation, the end cap two 6 is placed in the designed insertion hole 8 at the end of the fastener body 1, and then the user inserts the connecting shaft 2 through the insertion hole 8 and the end cap two 6, the end cap two 6 is screwed with the connecting shaft 2, the two end caps two 6 are screwed with the connecting shaft 2 in opposite directions, and then the fastener body 1 and the connecting shaft 2 are preliminarily fixed, and the end cap two 6 is displaced to the end of the fastener body 1 during rotation, until the end cap two 6 completely wraps the clasp two 7 provided at the end of the fastener body 1, and contacts the clasp two 7, then the user sleeves the end cap one 5 on the connecting shaft 2 exposed outside the insertion hole 8, and twists the end cap one 5, the two end cap one 5 are twisted in opposite directions, and the end cap one 5 and the end cap two 6 are also twisted in opposite directions, until the end cap one 5 completely wraps the clasp one 4 and is fixed with the clasp one 4, the connection of the clasp and the end cap is used for subsequent force sharing of the connecting shaft 2 and the fastener body 1, and increases the area, then the user sleeves the connecting rod 11 on the spring 12, the fixed plate 10 is screwed with the end of the fastener body 1, the locking plate 9 on both sides of the fixed part is engaged and connected with the locking groove 14 outside the end cap one 5 and the end cap two 6 through the locking teeth 13, for further limiting the angle of the end cap after rotation, to avoid subsequent end cap loosening and falling off.

[0030] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An end-sealed rigging fastener, comprising a fastener body (1), characterized in that, The fastener body (1) has through holes (8) at both ends of the top, and a connecting shaft (2) is inserted into the through hole (8). Both the connecting shaft (2) and the through hole (8) are provided with fixing parts, and a locking part is provided on the upper side of the fixing part. The fastener includes end cap one (5) and end cap two (6) sleeved on the outside of the connecting shaft (2), wherein end cap one (5) and end cap two (6) are distributed on both sides of one end of the fastener body (1), and end cap one (5) and end cap two (6) are threaded to the connecting shaft (2), and the threaded connection directions of end cap one (5) and end cap two (6) to the connecting shaft (2) are opposite.

2. The end-sealed rigging fastener according to claim 1, characterized in that, One end of the fastener body (1) is integrally fixedly connected with a retaining ring (4) and a retaining ring (7) at the corresponding positions of end cap 1 (5) and end cap 2 (6), respectively. The retaining ring 1 (4) corresponds to end cap 1 (5), and the retaining ring 2 (7) corresponds to end cap 2 (6).

3. The end-sealed rigging fastener according to claim 2, characterized in that, The inner diameters of end cap one (5) and end cap two (6) match the outer diameters of retaining ring one (4) and retaining ring two (7).

4. The end-sealed rigging fastener according to claim 3, characterized in that, The locking component includes a connecting rod (11) that is threadedly connected to the end of the fastener body (1). A fixing plate (10) is sleeved on the connecting rod (11), and the connecting rod (11) is movably connected to the fixing plate (10). The connecting rod (11) has a T-shaped structure design.

5. The end-sealed rigging fastener according to claim 4, characterized in that, A spring (12) is sleeved on the outside of the connecting rod (11). The bottom of the spring (12) contacts the fixing plate (10), and the top of the spring (12) contacts the lower side of the T-shaped end of the connecting rod (11).

6. The end-sealed rigging fastener according to claim 5, characterized in that, The two sides of the fixing plate (10) are fixed with arc-shaped locking plates (9) corresponding to the positions of end cap one (5) and end cap two (6), and locking teeth (13) are evenly distributed on the lower end face of the locking plate (9). The outer side of end cap one (5) and end cap two (6) is provided with locking grooves (14), and the locking teeth (13) are engaged in the locking grooves (14).