CN211502001U

CN211502001U - Special elbow for gas drainage pipeline

Info

Publication number: CN211502001U
Application number: CN202020030930.2U
Authority: CN
Inventors: 宋晓飞; 刘志强
Original assignee: Hebei Huazheng Industry Co ltd
Current assignee: Hebei junyida Technology Co., Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-15
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a special elbow of gas drainage pipeline, including the elbow main part, the elbow main part is the ripple structure, and the both ends of elbow main part are provided with the elbow interface respectively to encircle the equidistance on the outer wall of elbow interface and seted up the rectangle breach, one side of affiliated elbow interface is connected with the drainage pipe joint, and one side equidistance of drainage pipe joint is encircleed and is provided with the dogtooth, the structure of this dogtooth with the structure phase-match of rectangle breach, elbow interface overcoat is equipped with the sleeve, and is provided with the flange on the outer wall of elbow interface, through locking bolted connection between flange and the drainage pipe joint, elbow main part overcoat is equipped with the inner ring circle of rubber material, and the inner ring overcoat is equipped with the outer ring. This special elbow of gas drainage pipeline adopts elbow interface and dogtooth assorted structural design to and strengthen fixedly through the sleeve, make this special elbow more stable firm after the erection joint, thereby can prevent the condition of leaking from appearing.

Description

Special elbow for gas drainage pipeline

Technical Field

The utility model relates to a pipe connection technical field specifically is special elbow of gas drainage pipeline.

Background

The coal mine gas drainage system is an important facility for ensuring the safety production of a coal mine, the pipeline part accounts for more than 80 percent of the whole gas drainage system, and the gas pipeline conveys flammable and combustible dangerous gas, and the working environment is in a narrow and wet underground, so the gas drainage system has strict and special requirements on the pipeline. No matter which coal mine gas drainage pipe is used, the pipe must be antistatic and flame retardant, and coal safety is required.

The elbow joint of the existing gas drainage pipeline is fixed through the flange and the bolt, and the bend has certain stress, so that the connection is not firm enough only through the flange and the bolt, the condition of leakage at the joint can be caused, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special elbow of gas drainage pipeline to the elbow junction that provides in solving above-mentioned background is firm problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the special elbow for the gas drainage pipeline comprises an elbow main body, wherein the elbow main body is of a corrugated structure, the two ends of the elbow main body are respectively provided with an elbow connector, a rectangular notch is formed in the outer wall of the elbow connector in an encircling mode, one side of the elbow connector is connected with a drainage pipe joint, one side of the drainage pipe joint is provided with convex teeth in an encircling mode, the structure of the convex teeth is matched with the structure of the rectangular notch, a sleeve is sleeved on the elbow connector, a flange is arranged on the outer wall of the elbow connector, and the flange and the drainage pipe joint are connected through locking bolts.

Preferably, a protrusion is arranged on the outer wall of the sleeve, a circular through hole is formed in the middle of the protrusion, and the locking bolt penetrates through the circular through hole.

Preferably, the elbow connector and the sleeve are in sliding connection, and the elbow connector and the flange are in an integral structure.

Preferably, the elbow main body is sleeved with an inner ring made of rubber, the inner ring is sleeved with an outer ring, and the outer ring, the inner ring and the elbow main body are fixedly connected.

Preferably, the outer ring and the inner ring are equidistantly distributed about the elbow main body to form a plurality of groups, each group is connected through a steel wire rope, and a plurality of steel wire ropes are uniformly distributed about the periphery of the elbow main body.

Preferably, the two sides of the outer ring are symmetrically provided with circular rings, and the two ends of the steel wire rope are respectively connected with the circular rings.

Compared with the prior art, the beneficial effects of the utility model are that: this special elbow of gas drainage pipeline adopts elbow interface and dogtooth assorted structural design to and strengthen fixedly through the sleeve, make this special elbow more stable firm after the erection joint, thereby can prevent the condition of leaking from appearing.

Drawings

FIG. 1 is a side view of the special elbow for gas drainage pipeline of the present invention;

FIG. 2 is a front view of the elbow joint of the elbow for gas drainage pipeline of the present invention;

FIG. 3 is a front view of a drainage pipe joint of the elbow for gas drainage pipeline of the present invention;

fig. 4 is a front view of the outer ring and the inner ring of the elbow special for the gas drainage pipeline of the utility model.

In the figure: 1. the pipe joint comprises a drawing and discharging pipe joint body 2, convex teeth 3, a sleeve 4, a locking bolt 5, an elbow connector 6, a flange 7, an elbow main body 8, a steel wire rope 9, a circular ring 10, an outer ring 11 and an inner ring.

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. 1-4, the present invention provides a technical solution: the special elbow for the gas drainage pipeline comprises an elbow main body 7, wherein the elbow main body 7 is of a corrugated structure, the elbow main body 7 has certain expansion compensation performance and is convenient to bend, the rigidity of the elbow main body 7 can be improved, and the elbow main body 7 is not easy to dent, the two ends of the elbow main body 7 are respectively provided with an elbow connector 5, the elbow connector 5 and the elbow main body 7 are of an integral structure, the outer wall of the elbow connector 5 is provided with a rectangular notch around the same distance, one side of the elbow connector 5 is connected with a drainage pipe connector 1, one side of the drainage pipe connector 1 is provided with convex teeth 2 around the same distance, the structure of the convex teeth 2 is matched with the structure of the rectangular notch, the convex teeth 2 and the elbow connector 5 can form fit connection, and the elbow connector 5 can obtain a fixing effect beyond a screw connection effect after connection through mutual limitation of the convex teeth 2 and the rectangular notch, thereby the elbow connector 5 is more stable after installation and connection, the sleeve 3 is sleeved outside the elbow connector 5, the flange 6 is arranged on the outer wall of the elbow connector 5, the flange 6 is connected with the drawing pipe joint 1 through the locking bolt 4, the elbow connector 5 is in sliding connection with the sleeve 3, the elbow connector 5 and the flange 6 are integrated into a whole, the sleeve 3 can be sleeved outside the convex tooth 2 and the rectangular notch, so that the connection state of the convex tooth 2 and the rectangular notch is further fixed, the outer wall of the sleeve 3 is provided with a bulge, a circular through hole is arranged in the middle of the bulge, the locking bolt 4 penetrates through the circular through hole, the sleeve 3 is in sliding connection with the locking bolt 4, and the locking bolt 4 on the two sides of the sleeve 3 is sleeved with a nut, the sleeve 3 can be movably adjusted in position left and right through the structure, and can be fixed on the locking bolt 4 through threaded connection, an inner ring 11 made of rubber is sleeved outside the elbow main body 7, an outer ring 10 is sleeved outside the inner ring 11, the outer ring 10, the inner ring 11 and the elbow main body 7 are fixedly connected through clamping, the outer ring 10 and the inner ring 11 can be fixed through clamping and screw connection, the outer ring 10 and the inner ring 11 are large in diameter and can protect the elbow main body 7, friction and abrasion on the outer wall of the elbow main body 7 are reduced, multiple groups of the outer ring 10 and the inner ring 11 are equidistantly distributed on the elbow main body 7, the number of the outer ring 10 and the number of the inner ring 11 are as shown in figure 1, the groups are connected through steel wire ropes 8, the steel wire ropes 8 are uniformly distributed on the periphery of the elbow main body 7, the distribution structure of the steel wire ropes 8 is the same as that of the circular ring 9, as shown in figure 4, the structure can ensure that the elbow main body 7 can be protected more uniformly, and wire rope 8 can be to the drawknot between outer ring 10 and the inner ring 11 for elbow main part 7 can be more stable under the bending condition, reduce the influence of stress under the bending condition to junction, the bilateral symmetry of outer ring 10 is provided with ring 9, and wire rope 8's both ends are connected with ring 9 respectively, ring 9 and wire rope 8 accessible are buckled and are connected, ring 9 and outer ring 10 are the welding, and this structure makes outer ring 10 and wire rope 8's connection more convenient.

The working principle is as follows: when the special elbow for the gas drainage pipeline is used, whether parts are damaged or not or the connection is not firm is firstly checked, the special elbow is used after the checking is correct, the elbow connector 5 is respectively arranged at two ends of the elbow main body 7, the outer wall of the elbow connector 5 is provided with the rectangular notch in an equidistance mode in a surrounding mode, the rectangular notch is matched with the structure of the convex tooth 2 arranged on one side of the drainage pipe connector 1 in a surrounding mode in an equidistance mode, so that the convex tooth 2 can form occlusion connection with the rectangular notch, the occlusion connection acting force can form a fixing effect except for the connection effect of a screw and a flange, the stability of the joint of the elbow connector 5 can be improved, the sleeve 3 is sleeved outside the elbow connector 5, the sleeve 3 can be adjusted to be pressed at the joint of the convex tooth 2 and the rectangular notch through sliding, the connection state of the convex tooth 2 and the rectangular notch is further fixed, and the special elbow can be more stable and, the leakage is prevented, which is the working principle of the special elbow for the gas drainage pipeline.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The special elbow for the gas drainage pipeline is characterized in that: including elbow main part (7), elbow main part (7) are the ripple structure, and the both ends of elbow main part (7) are provided with elbow interface (5) respectively to encircle the equidistance on the outer wall of elbow interface (5) and seted up the rectangle breach, one side of affiliated elbow interface (5) is connected with and takes out puts coupling (1), and one side equidistance of taking out puts coupling (1) is encircleed and is provided with dogtooth (2), the structure of this dogtooth (2) with the structure phase-match of rectangle breach, elbow interface (5) overcoat is equipped with sleeve (3), and is provided with flange (6) on the outer wall of elbow interface (5), flange (6) with take out and put and connect through locking bolt (4) between coupling (1).

2. The special elbow for the gas drainage pipeline according to claim 1, wherein: the outer wall of the sleeve (3) is provided with a bulge, a circular through hole is formed in the middle of the bulge, and the locking bolt (4) penetrates through the circular through hole.

3. The special elbow for the gas drainage pipeline according to claim 1, wherein: the elbow connector (5) is in sliding connection with the sleeve (3), and the elbow connector (5) and the flange (6) are in an integrated structure.

4. The special elbow for the gas drainage pipeline according to claim 1, wherein: the elbow is characterized in that an inner ring (11) made of rubber is sleeved outside the elbow main body (7), an outer ring (10) is sleeved outside the inner ring (11), and the outer ring (10), the inner ring (11) and the elbow main body (7) are fixedly connected.

5. The special elbow for the gas drainage pipeline according to claim 4, wherein: the outer ring (10) and the inner ring (11) are equidistantly distributed about the elbow main body (7) to form a plurality of groups, each group is connected through a steel wire rope (8), and a plurality of steel wire ropes (8) are uniformly distributed about the elbow main body (7).

6. The special elbow for the gas drainage pipeline according to claim 5, wherein: the two sides of the outer ring (10) are symmetrically provided with circular rings (9), and the two ends of the steel wire rope (8) are respectively connected with the circular rings (9).