Oil and gas pipeline fastener anti-loosening device

By using anti-loosening sleeves and limiting structures in the fasteners of oil and gas pipelines, the problem of pipe clamp loosening caused by vibration was solved, and a stable connection of oil and gas pipelines was achieved.

CN223690146UActive Publication Date: 2025-12-19CHENGDU LI NENG DA FASTENER MFG CO LTD
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Patent Information

Application Number
CN202520390675.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-19
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Vibration during the use of oil and gas pipelines can cause bolts to shift on screws, resulting in loosening of the pipe clamp ends and affecting installation stability.

Method used

The connection and fasteners are wrapped with anti-loosening sleeves. Through the structural design of anti-loosening grooves, slots, positioning posts and through holes, the rotation and displacement of bolts and nuts are restricted, ensuring the stable connection of the pipe clamp.

Benefits of technology

This effectively prevents the pipe clamps from loosening, improving the stability of oil and gas pipeline installation and the reliability of connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of fastener looseness prevention, and particularly relates to an oil and gas pipeline fastener looseness prevention device which comprises an oil and gas pipeline body, a first pipe hoop and a second pipe hoop, the first pipe hoop and the second pipe hoop are buckled on the oil and gas pipeline body, and connecting parts used for installation are arranged between the ends of the first pipe hoop and the second pipe hoop. The two connecting parts on the same side are both provided with fixing pieces used for fixing, the two connecting parts on the same side are wrapped with anti-loosening sleeves, the fixing pieces are clamped in the anti-loosening sleeves, each fixing piece comprises a bolt and a nut which are in threaded connection, each bolt comprises a head part and a rod part, and the head part and the rod part are in threaded connection. One end of the anti-loose sleeve is provided with an anti-loose groove for containing the two connecting parts, the two connecting parts can be prevented from being far away from each other through the additionally arranged anti-loose sleeve wrapping the connecting parts and the fixing piece, then looseness between the first pipe hoop and the second pipe hoop is avoided, and the installation stability of the pipe hoops is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fastener anti -loose technical field, concretely relates to an oil and gas pipeline fastener anti -loose device. BACKGROUND

[0002] Oil and gas pipeline needs to be fixed on the support when laying, and needs to use fastener in this process, and the fastener is composed of two buckled pipe clamps, and the end portions of the two pipe clamps are fixedly connected through bolts and nuts, and the oil and gas pipeline will vibrate with the surrounding environment in the using process, so that the bolts are displaced on the nuts, and then the end portions between the two pipe clamps are loosened, and the stability of the oil and gas pipeline installation is affected. SUMMARY

[0003] The utility model discloses a kind of oil and gas pipeline fastener anti -loose devices, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: an oil and gas pipeline fastener anti -loose device, comprising: oil and gas pipeline body and first pipe clamp and second pipe clamp buckled on oil and gas pipeline body, the end portion between the first pipe clamp and second pipe clamp is equipped with the connecting portion for installation, and the same side two connecting portions are equipped with the fixing piece for fixing, and the same side two connecting portions are wrapped with anti -loose sleeve, and the fixing piece is clamped in anti -loose sleeve.

[0005] Preferably, the fixing piece includes a bolt and a nut, the bolt includes a head and a shaft, the anti-loose sleeve has an anti-loose slot at one end for accommodating the two connecting portions, and the anti-loose slot has a clamping slot at both sides for accommodating the head and the nut.

[0006] Preferably, the anti-loose sleeve further has an opening on the outer wall in communication with one of the clamping slots, and the shaft is arranged in the opening.

[0007] Preferably, the anti-loose sleeve further has a positioning column, and the shaft has a through hole for accommodating the positioning column.

[0008] Preferably, each anti-loose sleeve has a plastic connecting piece connected to the first pipe clamp or the second pipe clamp, and a rotating seat for adjusting the direction is arranged between the plastic connecting piece and the first pipe clamp or the second pipe clamp.

[0009] Preferably, the same side two connecting portions have coaxial mounting holes, the shaft is arranged in the mounting hole, and the nut and the head are arranged on the side away from the two connecting portions.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] (1) The utility model discloses a prevent loose sleeve that is added to the outside of the connecting part and the fixing part, which can prevent the two connecting parts from moving away from each other, and further prevent the first pipe clamp and the second pipe clamp from loosening, thereby improving the stability of the pipe clamp installation.

[0012] (2) The utility model discloses a prevent loose groove, a clamping groove and an opening, which can limit the bolt and the nut on the connecting part, and prevent the bolt and the nut from rotating and loosening.

[0013] (3) The utility model discloses a positioning column and a through hole, which can further limit the position of the bolt after the prevent loose sleeve is wrapped on the connecting part. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic view of the utility model;

[0015] Figure 2 It is the sectional view of the utility model;

[0016] Figure 3 It is the front view of the prevent loose sleeve, the prevent loose groove and the clamping groove of the utility model;

[0017] Figure 4 It is the front view of the bolt and the through hole of the utility model;

[0018] In the drawing: 1, first pipe clamp; 2, second pipe clamp; 3, connecting part; 4, prevent loose sleeve; 5, bolt; 6, nut; 7, opening; 8, positioning column; 9, prevent loose groove; 10, through hole; 11, clamping groove; 12, mounting hole; 13, plastic connecting part; 14, rotating seat; 15, oil and gas pipeline body. 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, not 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 the utility model.

[0020] REFERENCE Figures 1-2 As shown in the drawing, the utility model provides an oil and gas pipeline fastener prevent loose device, which comprises: an oil and gas pipeline body 15, and a first pipe clamp 1 and a second pipe clamp 2 buckled on the oil and gas pipeline body 15, connecting parts 3 for installation are arranged between the end parts of the first pipe clamp 1 and the second pipe clamp 2, fixing parts for fixing are arranged on the same side two connecting parts 3, prevent loose sleeves 4 are wrapped on the outside of the same side two connecting parts 3, and the fixing parts are clamped in the prevent loose sleeves 4.

[0021] Combination Figure 2 As shown in the figure, the same side of the two connecting parts 3 is penetrated by the coaxial mounting hole 12, the rod part is penetrated and installed in the mounting hole 12, and the nut 6 and the head part are arranged on the side away from the two connecting parts 3.

[0022] Combination Figures 2-3 As shown in the figure, the fixing part includes the bolt 5 and the nut 6, the bolt 5 includes the head part and the rod part, one end of the anti-loosening sleeve 4 is provided with the anti-loosening groove 9 accommodating the two connecting parts 3, and the two sides of the anti-loosening groove 9 are provided with the clamping groove 11 accommodating the head part and the nut 6.

[0023] In the above, in the use of the oil and gas pipeline body 15, the first pipe clamp 1, the second pipe clamp 2, the fixing part and the anti-loosening sleeve 4 provided by the utility model, the first pipe clamp 1 or the second pipe clamp 2 is provided with the mounting part fixed on the wall body, the mounting part is not drawn in the figure, the oil and gas pipeline body 15 is placed between the first pipe clamp 1 and the second pipe clamp 2, at this time, the connecting parts 3 between the two ends of the first pipe clamp 1 and the second pipe clamp 2 are close, the rod part of the bolt 5 is penetrated through the two connecting parts 3 through the mounting hole 12, and the nut 6 is screwed on the rod part on the other side of the connecting part 3, so that the two connecting parts 3 are close, after the oil and gas pipeline body 15 is fixed, the anti-loosening sleeve 4 is sleeved on the two connecting parts 3, the bolt 5 and the nut 6, at this time, the two connecting parts 3 are inserted in the anti-loosening groove 9, the head part of the nut 6 and the bolt 5 is clamped in the clamping groove 11 on the two sides, so that the self-rotation between the bolt 5 and the nut 6 is avoided, and then the two connecting parts 3 are avoided from being away, and the components for fixing the oil and gas pipeline body 15 are avoided from loosening.

[0024] Further, in order to avoid the interference caused by the rod part to the anti-loosening sleeve 4, referring to Figures 2-3 As shown in the figure, the outer wall of the anti-loosening sleeve 4 is further provided with the opening 7 in communication with one of the clamping grooves 11, and the rod part is penetrated and arranged in the opening 7. The rod part is facilitated to protrude out of the anti-loosening sleeve 4 through the opening 7, and the rod part is avoided from affecting the sleeving of the anti-loosening sleeve 4 on the two connecting parts 3, the bolt 5 and the nut 6.

[0025] Further, in order to improve the limitation of the anti-loosening sleeve 4 on the rod part, referring to Figures 2-4 As shown in the figure, the anti-loosening sleeve 4 is further provided with the positioning column 8, and the rod part is penetrated by the through hole 10 accommodating the positioning column 8. After the bolt 5 is installed, the through hole 10 on the rod part faces outward, at this time, the anti-loosening sleeve 4 is sleeved on the outside of the two connecting parts 3, the bolt 5 and the nut 6, at this time, the positioning column 8 on the anti-loosening sleeve 4 is inserted in the through hole 10, so that the position of the rod part is further limited, and the rotation of the bolt 5 is avoided.

[0026] In the utility model, in combination with Figures 1-2As shown, each anti-loosening sleeve 4 of the present embodiment is provided with a plastic connecting piece 13 connected with the first pipe clamp 1 or the second pipe clamp 2, and a rotating seat 14 for direction adjustment is arranged between the plastic connecting piece 13 and the first pipe clamp 1 or the second pipe clamp 2.

[0027] In the above, the plastic connecting piece 13 is used to connect the anti-loosening sleeve 4 with the first pipe clamp 1 or the second pipe clamp 2, so that the anti-loosening sleeve 4 is prevented from being lost, and the position of the plastic connecting piece 13 can be moved by the rotating seat 14, so that the anti-loosening sleeve 4 is wrapped outside the connecting part 3 and the fixing part.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oil and gas pipeline fastener anti-loosening device, characterized by, Include: Oil and gas pipeline body (15) and buckle on the oil and gas pipeline body (15) on the first pipe clamp (1) and the second pipe clamp (2), the end of the first pipe clamp (1) and the second pipe clamp (2) are provided with connecting part (3) for installation, both sides of the two connecting parts (3) are provided with fixing member for fixing, both sides of the two connecting parts (3) are wrapped with anti-loosening sleeve (4), and the fixing member is clamped in the anti-loosening sleeve (4).

2. An oil and gas pipeline fastener anti -loosening device according to claim 1, characterized in that: The fixing member includes threaded bolt (5) and nut (6), the bolt (5) includes head and rod, one end of the anti-loosening sleeve (4) is provided with anti-loosening slot (9) containing two connecting parts (3), both sides of the anti-loosening slot (9) are provided with clamping groove (11) containing head and nut (6).

3. An oil and gas pipeline fastener anti -loosening device according to claim 2, characterized in that: The outer wall of the anti-loosening sleeve (4) is also provided with an opening (7) in communication with one of the clamping grooves (11), and the rod is arranged in the opening (7).

4. An oil and gas pipeline fastener anti-unscrewing device according to claim 2, characterized in that: The anti-loosening sleeve (4) is also provided with a positioning column (8), and the rod is provided with a through hole (10) for accommodating the positioning column (8).

5. An oil and gas pipeline fastener anti -loosening device according to claim 1, characterized in that: Each of the anti-loosening sleeves (4) is provided with a plastic connecting piece (13) connected with the first pipe clamp (1) or the second pipe clamp (2).

6. An oil and gas pipeline fastener anti -loosening device according to claim 5, characterized in that: The plastic connecting piece (13) and the first pipe clamp (1) or the second pipe clamp (2) are provided with a rotating seat (14) for direction adjustment.

7. An oil and gas pipeline fastener anti-unscrewing device according to claim 2, characterized in that: Both sides of the two connecting parts (3) are provided with coaxial mounting holes (12), and the rod is mounted in the mounting hole (12).

8. An oil and gas pipeline fastener anti -loosening device according to claim 7, characterized in that: The nut (6) and the head are arranged on the side away from the two connecting parts (3) respectively.