CN218152829U - Leakage-proof device for petroleum pipeline joint - Google Patents

Abstract

The utility model discloses a leakage-proof device for a petroleum pipeline joint, which comprises a connecting pipe and petroleum pipelines, wherein the petroleum pipelines are provided with two groups, mounting grooves are formed in the top and the bottom of the inside of the connecting pipe, flanges A are arranged on two sides of the outside of the connecting pipe, flanges B are arranged on one sides of the two groups of the outside of the petroleum pipelines, which are close to the connecting pipe, and bolts are sleeved on the top and the bottom of one side of the flanges B, which is far away from the connecting pipe; the utility model discloses a mutually supporting between flange A, flange B, petroleum pipeline, sealed tube, push rod, nut, bolt and the spring for the device can insert the connecting pipe with petroleum pipeline earlier when connecting petroleum pipeline, carries out the first connection, makes petroleum pipeline card go into the inboard of sealed tube again, carries out the second connection, makes the junction have twice sealed, and connects the back, can promote the inseparable block of sealed tube and petroleum pipeline through the elasticity restoring force of spring.

Description

Leakage-proof device for petroleum pipeline joint

Technical Field

The utility model relates to a pipe connection technical field specifically is a petroleum pipeline junction prevents leaking device.

Background

Petroleum pipelines are main equipment for petroleum transportation, in petroleum transportation engineering, pipelines are often required to be spliced due to a long petroleum transportation path, and a leakage prevention device is a device for preventing leakage at the splicing position of the pipelines;

some problems with existing devices: 1. the current device of preventing leaking only can carry out once sealedly to the pipeline after the pipe connection, and under the pipe-line pressure effect, certain gap may appear in the junction, leads to the junction to appear leaking the condition, has reduced the effect of preventing leaking of device, 2, behind the pipe connection, is difficult to carry out spacing reinforcement to the junction, has reduced the stability of pipe connection department.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a petroleum pipeline junction prevents leaking device to propose current problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a petroleum pipeline junction prevent leaking device, includes connecting pipe and petroleum pipeline, petroleum pipeline is provided with two sets ofly, the mounting groove has been seted up to inside top and the bottom of connecting pipe, flange A is installed, and is two sets of to the both sides in the connecting pipe outside one side that the petroleum pipeline outside is close to the connecting pipe installs flange B, and is two sets of flange B keeps away from the top and the bottom cover of connecting pipe one side and is equipped with the bolt, and is two sets of flange A is close to the top and the bottom of one side mutually and installs the nut with bolt matched with, both sides the both sides cover of mounting groove is equipped with the push rod, and the homonymy is two sets of one side of push rod is installed jointly with petroleum pipeline matched with sealed tube, four sets of the outside of push rod all is equipped with the spring, the middle part cover of connecting pipe top and bottom is equipped with the reinforcement assembly.

Preferably, the reinforcement component comprises a push block, a support block, a movable rod, a hinge rod, a slider, a push plate and a sliding groove, wherein the movable rod is arranged in the top and the bottom of the connecting pipe, the top and the bottom of the movable rod, which are close to the movable rod, extend to the inside of the mounting groove and are provided with the support block and four groups of the support block, one side of the push rod, which is close to the support block, is provided with the push block matched with the support block, the two sides of the top and the bottom of the connecting pipe are provided with the sliding groove and four groups of the slide block, the top and the bottom of the connecting pipe are far away from the slide block, and the push plate, which is close to the movable rod, is hinged to the hinge rod, one side of the four groups of the hinge rod is hinged to the movable rod, and the clamping tightness between the sealing pipe and the petroleum pipeline can be enhanced.

Preferably, the cross section of the abutting block is triangular, and the cross section of the pushing block is spherical, so that the pushing block can be pushed to move towards two sides when the abutting block moves downwards.

Preferably, the four groups of push plates are provided with clamping grooves matched with the bolts at one sides close to the bolts, and the push plates can be clamped into the clamping grooves when being locked.

Preferably, one side of the outer side of the sealing pipe is provided with a seal, so that the sealing performance after the sealing pipe is clamped with the petroleum pipeline can be improved.

Preferably, the middle part of the inner side of the connecting pipe is provided with a flow passage, and the sealing pipe is matched with the flow passage in a sliding connection mode, so that the sealing pipe can guide petroleum.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-leakage device is arranged at the joint of the petroleum pipeline;

1. through the mutual matching of the flange A, the flange B, the petroleum pipeline, the sealing pipe, the push rod, the nut, the bolt and the spring, when the device is used for connecting the petroleum pipeline, the petroleum pipeline can be firstly inserted into the connecting pipe for the first connection, then the petroleum pipeline is clamped into the inner side of the sealing pipe for the second connection, so that the connecting part has two seals, and after the connection, the sealing pipe can be pushed to be tightly clamped with the petroleum pipeline through the elastic restoring force of the spring, gaps can be prevented from occurring at the splicing part, and the leakage-proof effect is improved;

2. through the ejector pad, support the piece, the movable rod, the hinge bar, the slider, mutually support between push pedal and the spout, make the device when rotatory bolt locking after splicing petroleum pipeline and connecting pipe, can promote two sets of push pedals and be close to mutually, drive and support the piece and move down, make the card that can be tight of support piece in the middle of two sets of ejector pads, exert thrust to the ejector pad, transmit thrust for the sealed tube through the ejector pad again and can promote the block compactness between sealed tube and the petroleum pipeline, promoted the device and prevented leaking the performance.

Drawings

FIG. 1 is a front cross-sectional view of the knot of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a connecting pipe; 2. a flange A; 3. a flange B; 4. a petroleum pipeline; 5. a sealing tube; 6. mounting grooves; 7. a push rod; 8. a nut; 9. a bolt; 10. a spring; 11. pushing a block; 12. a resisting block; 13. a movable rod; 14. a hinged lever; 15. a slider; 16. pushing the plate; 17. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a leakage-proof device for a petroleum pipeline joint comprises a connecting pipe 1 and petroleum pipelines 4, wherein the petroleum pipelines 4 are provided with two groups, mounting grooves 6 are formed in the top and the bottom of the inside of the connecting pipe 1, flanges A2 are mounted on two sides of the outer side of the connecting pipe 1, a flange B3 is mounted on one side, close to the connecting pipe 1, of the outer sides of the two groups of petroleum pipelines 4, bolts 9 are sleeved on the top and the bottom of one side, far away from the connecting pipe 1, of the two groups of flanges B3, nuts 8 matched with the bolts 9 are mounted on the top and the bottom of one side, close to the two groups of flanges A2, push rods 7 are sleeved on two sides of the mounting grooves 6, sealing pipes 5 matched with the petroleum pipelines 4 are mounted on one side of the two groups of push rods 7 on the same side together, a flow passage is arranged in the middle of the inner side of the connecting pipe 1, the sealing pipes 5 are in sliding connection and matched with the flow passage, so that the sealing pipes 5 can guide petroleum, a seal is arranged on one side, the sealing performance after the sealing pipes 5 are clamped with the petroleum pipelines 4 can be improved, springs 10 are sleeved on the outer sides of the four groups of the push rods 7, and reinforcing components are arranged in the middle of the top and the bottom of the connecting pipe 1;

the reinforcing component comprises a push block 11, a support block 12, movable rods 13, hinged rods 14, sliding blocks 15, push plates 16 and sliding grooves 17, wherein the movable rods 13 are positioned in the top and the bottom of the connecting pipe 1, the tops and the bottoms, close to each other, of the two groups of movable rods 13 extend into the mounting groove 6 and are provided with the support block 12, the cross section of the support block 12 is triangular, the cross section of the push block 11 is spherical, so that when the support block 12 moves downwards, the push block 11 can be pushed to move towards two sides, the push blocks 11 matched with the support block 12 are installed on one sides, close to the support block 12, of the four groups of push rods 7, the sliding grooves 17 are formed in two sides, close to the top and the bottom, of the connecting pipe 1, the sliding blocks 15 are connected to the inner sides of the four groups of sliding grooves 17 in a sliding mode, the push plates 16 are installed on the tops and the bottoms, far away from the connecting pipe 1, the sides, close to the bolts 9, clamping grooves are formed in one sides, when the push plates 16 are locked, the four groups of the push plates 16 can be clamped into the clamping grooves, the hinged rods 14 are hinged to the movable rods 13, and the sealing pipe 5 and the petroleum pipeline 4 can be reinforced.

The working principle is as follows: when the pipelines are connected, two groups of petroleum pipelines 4 can be inserted into the connecting pipe 1 from two sides, the petroleum pipelines 4 are clamped into the outer side of the sealing pipe 5, then the petroleum pipelines 4 are pushed to slide into the connecting pipe 1, the sealing pipe 5 is pushed to overcome the elastic force of the spring 10 to move under the guidance of the push rod 7, after the petroleum pipelines 4 are inserted into a designated position, the flange A2 and the flange B3 can be contacted with each other, at the moment, the bolt 9 is screwed into the nut 8 to fix the flange A2 and the flange B3, so that the connection between the connecting pipe 1 and the petroleum pipelines 4 can be completed, after the connection, the sealing pipe 5 can be pushed to be tightly clamped with the petroleum pipelines 4 through the elastic restoring force of the spring 10, gaps can be prevented from occurring at the splicing parts, and the leakage-proof effect is improved;

when rotatory bolt 9 locks, bolt 9 can block in the draw-in groove of push pedal 16 one side, make after locking both sides bolt 9, accessible bolt 9 promotes push pedal 16 and removes, can promote push pedal 16 through slider 15 and spout 17 and lead, make two sets of push pedals 16 can be close to each other, and can promote movable rod 13 and move down under hinged rod 14's connection, movable rod 13 can promote abutting block 12 and move down this moment, make the card that abutting block 12 can be tight in the middle of two sets of ejector blocks 11, exert thrust to ejector block 11, pass through ejector block 11 with thrust transfer for gland packing 5 can promote the block compactness between gland packing 5 and the petroleum pipeline 4 once more, the device prevents leaking the performance has been promoted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Claims (6)

1. The utility model provides a prevent leaking device of petroleum pipeline junction, includes connecting pipe (1) and petroleum pipeline (4), its characterized in that: petroleum pipeline (4) are provided with two sets ofly, mounting groove (6) have been seted up to inside top and the bottom of connecting pipe (1), flange A (2) are installed to the both sides in the connecting pipe (1) outside, and are two sets of flange B (3) are installed to one side that petroleum pipeline (4) outside is close to connecting pipe (1), and are two sets of the top and the bottom cover that connecting pipe (1) one side was kept away from in flange B (3) are equipped with bolt (9), and are two sets of flange A (2) are close to the top and the bottom of one side mutually and install with bolt (9) matched with nut (8), both sides the both sides cover of mounting groove (6) is equipped with push rod (7), and the homonymy is two sets of one side of push rod (7) is installed jointly with petroleum pipeline (4) matched with sealed tube (5), and four sets of group the outside of push rod (7) all is equipped with spring (10), the middle part cover of connecting pipe (1) top and bottom is equipped with the reinforcement subassembly.

2. A leak prevention apparatus for a petroleum pipeline joint as defined in claim 1, wherein: consolidate the subassembly and include ejector pad (11), support piece (12), movable rod (13), articulated rod (14), slider (15), push pedal (16) and spout (17), movable rod (13) are arranged in connecting pipe (1) top and bottom, and are two sets of top and bottom that movable rod (13) are close to mutually extend to the inside of mounting groove (6) and install and support piece (12), four groups push rod (7) are close to one side of supporting piece (12) and install and support piece (12) matched with ejector pad (11), spout (17) have been seted up to the both sides of connecting pipe (1) top and bottom, four groups the inboard sliding connection of spout (17) has slider (15), four groups slider (15) are kept away from the top and the bottom of connecting pipe (1) and are installed push pedal (16), four groups one side that push pedal (16) are close to movable rod (13) articulates there is articulated rod (14), and one side and movable rod (13) of four groups articulated rod (14) are articulated mutually.

3. A leak prevention apparatus for a petroleum pipeline joint as defined in claim 2, wherein: the cross section of the pushing block (11) is spherical, and the cross section of the pushing block (12) is triangular.

4. A leak prevention apparatus for a petroleum pipeline joint as defined in claim 2, wherein: and clamping grooves matched with the bolts (9) are formed in one sides, close to the bolts (9), of the four groups of push plates (16).

5. A leak prevention apparatus for a petroleum pipeline joint as defined in claim 1, wherein: and a sealing ring is arranged on one side of the outer side of the sealing pipe (5).

6. A leak prevention apparatus for a petroleum pipeline joint as defined in claim 1, wherein: the middle part of the inner side of the connecting pipe (1) is provided with a flow passage, and the sealing pipe (5) is matched with the flow passage in a sliding connection mode.

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