CN216307056U

CN216307056U - Bent pipe

Info

Publication number: CN216307056U
Application number: CN202122941724.4U
Authority: CN
Inventors: 杨月洁; 肖远; 池光文
Original assignee: Zhejiang Good Fittings Co ltd
Current assignee: Zhejiang Good Fittings Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-15
Anticipated expiration: 2031-11-22

Abstract

The application discloses a bent pipe, which relates to the technical field of pipeline connection and comprises a bent pipe body, wherein two ends of the bent pipe body are fixedly connected with connectors, a connecting pipe is detachably connected inside the connectors, a snap ring is fixedly connected to one end of the connecting pipe, which is positioned inside the connectors, and a first sealing ring is sleeved on the outer surface of the connecting pipe; this application is through the connecting pipe, first sealing ring, the second sealing ring, cooperation setting between lock cap isotructure, make first sealing ring and second sealing ring laminate each other behind lock cap spiro union in the connector, when the medium flows to drive the connecting pipe and slides to the connector outside, can drive first sealing ring synchronous motion and extrude the second sealing ring, thereby make between first sealing ring and the second sealing ring laminating inseparabler, strengthen sealed effect, current return bend structure has been avoided as far as possible when the junction receives the medium impact, the inside roll-off of return bend body is followed easily to the connecting pipe, the junction that leads to the return bend body produces the problem of revealing.

Description

Bent pipe

Technical Field

The application relates to the technical field of pipeline connection, in particular to an elbow.

Background

The bending pipe is bent by adopting a complete set of bending equipment and is divided into two processes of cold bending and hot pushing. Most of the machine equipment and pipelines are bent pipes which are mainly used for oil transportation, gas transportation, liquid transportation, engineering bridge construction and the like.

The joint of the existing elbow is affected by medium impact, so that a gap is easily formed between the joint and a rubber pad inside the elbow, and the leakage phenomenon is caused at the joint of the elbow.

SUMMERY OF THE UTILITY MODEL

In order to improve current return bend junction because receive the medium impact influence, lead to joint and the inside rubber pad of return bend to appear the gap easily to lead to the return bend junction to produce the problem of revealing the phenomenon, this application provides an elbow.

The application provides a return bend adopts following technical scheme:

the utility model provides a return bend, includes the return bend body, return bend body both ends fixedly connected with connector, the inside connecting pipe that can dismantle of connector is connected with, the connecting pipe is located the inside one of connector is served fixedly connected with snap ring, the cover is equipped with first sealing ring on the connecting pipe surface, first sealing ring with connecting pipe sliding connection, connector outer end spiro union has the lock nut, fixedly connected with second sealing ring in the lock nut inner chamber, first sealing ring with the latch has all been seted up on the second sealing ring, set up on the first sealing ring the latch with the latch dislocation distribution of seting up on the second sealing ring.

Optionally, the connector is far away from one end of the elbow pipe body is provided with a thread, and the thread is matched with an internal thread arranged in the inner cavity of the lock cap.

Optionally, the snap ring is of a circular ring-shaped structure, the outer surface of the connecting pipe is sleeved with the snap ring, the snap ring is fixedly connected with the connecting pipe, and the outer diameter of the snap ring is larger than the inner diameter of the first sealing ring.

Optionally, the first sealing ring and the second sealing ring are both annular, and the latch is arranged at the adjacent end of the first sealing ring and the second sealing ring.

Optionally, the second sealing ring is located in the inner cavity at one end of the lock cap adjacent to the connector, and the outer surface of the second sealing ring is fixedly connected with the inner wall of the inner cavity of the lock cap.

Optionally, one end of the connecting pipe, which is far away from the connector, is provided with a threaded pipe, and the threaded pipe is fixedly connected with the connecting pipe.

Optionally, a thickened pad is arranged at a turning position outside the inner cavity of the elbow body, and the thickened pad is fixedly connected with the inner wall of the elbow body.

In conclusion, the beneficial effects of the application are as follows:

this application is through the connecting pipe, first sealing ring, the second sealing ring, cooperation setting between lock cap isotructure, make first sealing ring and second sealing ring laminate each other behind lock cap spiro union in the connector, when the medium flows to drive the connecting pipe and slides to the connector outside, can drive first sealing ring synchronous motion and extrude the second sealing ring, thereby make between first sealing ring and the second sealing ring laminating inseparabler, strengthen sealed effect, current return bend structure has been avoided as far as possible when the junction receives the medium impact, the inside roll-off of return bend body is followed easily to the connecting pipe, the junction that leads to the return bend body produces the problem of revealing.

Drawings

FIG. 1 is a schematic diagram of the overall explosive structure of the present application;

FIG. 2 is a schematic view of a connection structure of a first seal ring and a second seal ring according to the present application;

FIG. 3 is a schematic view of the connection of the thickening pad to the elbow body of the present application;

description of reference numerals: 1. a bent pipe body; 2. a connector; 3. a thread; 4. a connecting pipe; 5. a snap ring; 6. a first seal ring; 7. a second seal ring; 8. a lock cap; 10. a threaded pipe; 11. and (6) thickening the pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1-3, a bent pipe comprises a bent pipe body 1 for changing the flowing direction of a medium, wherein two ends of the bent pipe body 1 are fixedly connected with a connector 2 for connection, one end of the connector 2 away from the bent pipe body 1 is provided with a thread 3, a connecting pipe 4 is detachably connected inside the connector 2, one end of the connecting pipe 4 inside the connector 2 is fixedly connected with a snap ring 5, the snap ring 5 is in a circular structure, the snap ring 5 is sleeved on the outer surface of the connecting pipe 4, the snap ring 5 is fixedly connected with the connecting pipe 4, the outer surface of the connecting pipe 4 is sleeved with a first sealing ring 6, the first sealing ring 6 is in sliding connection with the connecting pipe 4, the outer diameter of the snap ring 5 is larger than the inner diameter of the first sealing ring 6, the outer end of the connector 2 is provided with a lock cap 9, the thread 3 arranged on the connector 2 is matched with an inner thread arranged in an inner cavity of the lock cap 9, the lock cap 9 is in threaded connection with the connector 2 through the thread 3, the inner cavity of the lock cap 9 is fixedly connected with a second sealing ring 7, the first sealing ring 6 and the second sealing ring 7 are both provided with a latch 8, the first sealing ring 6 and the second sealing ring 7 are both in a circular ring shape, the latch 8 is arranged at the adjacent end of the first sealing ring 6 and the second sealing ring 7, the latch 8 arranged on the first sealing ring 6 and the latch 8 arranged on the second sealing ring 7 are in staggered distribution, when the trend that the elbow 1 and the connecting pipe 4 are separated from each other due to the fact that the elbow 1 is impacted at the turning position of the elbow 1 in the medium circulation process, the connecting pipe 4 is enabled to move outwards along the inner wall of the connector 2 fixedly connected with the end head of the elbow 1, the first sealing ring 6 sleeved on the outer surface of the connecting pipe 4 is enabled to move synchronously along the connecting pipe 4 under the blocking effect of the latch 5, the first sealing ring 6 is enabled to extrude the second sealing ring 7 in the inner cavity of the lock cap 9, and accordingly the medium impact force is enabled to be larger, the connection of the first sealing ring 6 and the second sealing ring 7 is enabled to be tighter, the problem that the joint of the existing elbow is easy to leak due to the fact that the joint and the rubber pad inside the elbow are prone to generating gaps due to the impact of media at the joint of the existing elbow is avoided as much as possible.

Referring to fig. 1 and 2, second sealing ring 7 is located the inner chamber of the adjacent one end of locking cap 9 and connector 2, the surface of second sealing ring 7 and the inner chamber inner wall fixed connection of locking cap 9, set up second sealing ring 7 inside locking cap 9, make locking cap 9 and connector 2 looks spiro union back, can make second sealing ring 7 and first sealing ring 6 laminate each other, thereby seal the gap of connecting pipe 4 and connector 2 junction, avoid the problem that the gap leads to the medium to reveal to appear in the joint department of connecting pipe 4 and connector 2 as far as possible.

Referring to fig. 1, connecting pipe 4 is kept away from one of connector 2 and is served and be equipped with screwed pipe 10, and screwed pipe 10 and connecting pipe 4 fixed connection set up screwed pipe 10 convenience of customers on connecting pipe 4 and be connected outside pipeline with connecting pipe 4, connect through the mode of spiro union, not only connect the fastening, convenience of customers installs and dismantles work moreover.

Referring to fig. 3, 1 inner chamber outside turn of return bend body is equipped with thickening pad 11, thickening pad 11 and return bend body 1's inner wall fixed connection, and simultaneously, in this embodiment, thickening pad can be selected to rubber, wherein, set up thickening pad 11 on return bend body 1 outside is inside and be used for protecting return bend body 1's outside pipe wall, direct impact when avoiding the medium as far as possible flows on the inner wall in the 1 turn of return bend body outside, long-time impact causes the inner wall in return bend body 1 outside to appear deformation or impaired, influence return bend body 1's life's problem.

The implementation principle of the application is as follows: when in use, the first sealing ring sleeve 6 is firstly arranged on the outer surface of the connecting pipe 4, then one end of the connecting pipe 4 fixedly connected with the snap ring 5 is inserted into the connector fixedly connected with the end head of the elbow body 1, after the insertion, the locking cap 9 is sleeved on the outer surface of the connecting pipe 4 from one end of the connecting pipe 4 fixedly connected with the threaded pipe 10, and the locking cap 9 is screwed on the connector 2, at the moment, the second sealing ring 7 fixedly connected in the inner cavity of the locking cap 9 is attached to the first sealing ring 6, when the elbow 1 is impacted at the turning part in the medium circulation process to cause the separation tendency of the elbow 1 and the connecting pipe 4, the connecting pipe 4 moves outwards along the inner wall of the connector 2 fixedly connected with the end head of the elbow 1, at the moment, the first sealing ring 6 sleeved on the outer surface of the connecting pipe 4 moves synchronously with the connecting pipe 4 under the blocking action of the snap ring 5, so that the first sealing ring 6 extrudes the second sealing ring 7 in the inner cavity of the locking cap 9, thereby realize that the medium impact force is big more, make first sealing ring 6 inseparabler in the connection of second sealing ring 7, avoided current return bend junction as far as possible because receive the medium impact influence, lead to joint and the inside rubber pad of return bend to appear the gap easily to lead to the return bend junction to produce the problem of revealing the phenomenon.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An elbow pipe, comprising an elbow pipe body (1), characterized in that: elbow body (1) both ends fixedly connected with connector (2), connector (2) inside can be dismantled and be connected with connecting pipe (4), connecting pipe (4) are located fixedly connected with snap ring (5) are served to one of connector (2) inside, the cover is equipped with first sealing ring (6) on connecting pipe (4) surface, first sealing ring (6) with connecting pipe (4) sliding connection, connector (2) outer end spiro union has lock cap (9), fixedly connected with second sealing ring (7) in lock cap (9) inner chamber, first sealing ring (6) with latch (8) have all been seted up on second sealing ring (7), set up on first sealing ring (6) latch (8) with latch (8) the dislocation distribution of seting up on second sealing ring (7).

2. A bent pipe according to claim 1, wherein: keep away from connector (2) one of elbow pipe body (1) is served and is seted up screw thread (3), screw thread (3) with the internal thread looks adaptation of seting up in lock cap (9) inner chamber.

3. A bent pipe according to claim 2, wherein: snap ring (5) are the ring form structure, snap ring (5) cover is located connecting pipe (4) surface, snap ring (5) with connecting pipe (4) fixed connection, the external diameter of snap ring (5) is greater than the internal diameter of first sealing ring (6).

4. A bent pipe according to claim 1, wherein: the first sealing ring (6) and the second sealing ring (7) are both annular, and the latch (8) is arranged at the adjacent end of the first sealing ring (6) and the second sealing ring (7).

5. A bent pipe according to claim 1, wherein: the second sealing ring (7) is positioned in the inner cavity of the adjacent end of the connector (2) and the locking cap (9), and the outer surface of the second sealing ring (7) is fixedly connected with the inner cavity wall of the locking cap (9).

6. A bent pipe according to claim 1, wherein: keep away from connecting pipe (4) one of connector (2) is served and is equipped with screwed pipe (10), screwed pipe (10) with connecting pipe (4) fixed connection.

7. A bent pipe according to claim 1, wherein: the elbow is characterized in that a thickening pad (11) is arranged at the turning position of the outer side of the inner cavity of the elbow body (1), and the thickening pad (11) is fixedly connected with the inner wall of the elbow body (1).