CN214534976U

CN214534976U - Anti-leakage welding flange

Info

Publication number: CN214534976U
Application number: CN202120474609.8U
Authority: CN
Inventors: 叶兵
Original assignee: Jiujiang Zhongxingran Auto Parts Manufacturing Co ltd
Current assignee: Jiujiang Zhongxingran Auto Parts Manufacturing Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-10-29
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a prevent welding flange of leakage, including the flange inner ring, the fixed cover in the middle part of the endocyclic ring body of flange is equipped with the flange outer loop, pipe box and seal groove have respectively been seted up by both sides punishment to the endocyclic inside of flange, the fixed cover in inside of seal groove is equipped with the seal cover No. one, one side inner wall center department that the pipe box is close to the seal cover has seted up the annular, the fixed solid fixed ring that is provided with in inside of annular, gu fixed ring keeps away from the fixed seal cover of one end of a seal cover and is provided with No. two seal covers, No. two seal covers are located the inside of pipe box, the fixed cover in inside of pipe box is equipped with the connecting pipe, No. two seal covers keep away from solid fixed ring's one end movable sleeve and establish in the connecting pipe, flange outer loop one side lateral wall is the ring form and has seted up a plurality of screw holes. The utility model discloses a prevent welding flange of leakage, this novel welding flange of preventing leakage prevents leaking the ability reinforce, and stability is high, and is more durable.

Description

Anti-leakage welding flange

Technical Field

The utility model relates to a flange technical field especially relates to prevent leaking welded flange.

Background

The welding flange is a part for connecting pipes with each other and is connected with the pipe end, the welding flange is provided with holes, bolts are used for tightly connecting the two flanges, the space between the two flanges is sealed by a gasket, and the welding flange is a disc-shaped part and is most common in pipeline engineering.

Most flanges are connected and fixed with two pipelines, the stability between the two flanges is weakened due to bolt decay after a long time, and once the flanges are not found in time and repaired, the joints between the two pipelines are broken due to the fact that the bolts are not fixed, and liquid inside the pipelines leaks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a leakage-proof welding flange.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a leakage-proof welding flange comprises a flange inner ring, wherein a flange outer ring is fixedly sleeved in the middle of the ring body of the flange inner ring, a pipe groove and a sealing groove are respectively formed in the flange inner ring by two sides, a sealing sleeve is fixedly sleeved in the sealing groove, a ring groove is formed in the center of the inner wall of one side, close to the sealing sleeve, of the pipe groove, a fixing ring is fixedly arranged in the ring groove, a second sealing sleeve is fixedly arranged at one end, away from the first sealing sleeve, of the fixing ring, the second sealing sleeve is positioned in the pipe groove, a connecting pipe is fixedly sleeved in the pipe groove, a movable sleeve is sleeved in the connecting pipe at one end, away from the fixing ring, of the second sealing sleeve, a plurality of threaded holes are formed in the side wall of the flange outer ring in a circular ring shape, a screw rod is sleeved in the inner thread of each threaded hole, and clamping grooves are formed in the positions, close to the two sides, of the rod body of the screw rod, the top surface and the bottom surface center department of screw hole all seted up the activity groove, two one side inner wall center department that the screw rod was kept away from to the activity groove all fixedly is provided with the spring, two the relative one end of spring all fixedly is provided with spacing head, two the relative one side center department of spacing head all fixedly is provided with the kelly, two the equal activity of the relative one end of kelly sets up in the draw-in groove.

As a further description of the above technical solution:

the clamping rod and the limiting head are movably arranged inside the movable groove.

As a further description of the above technical solution:

the first sealing sleeve and the second sealing sleeve are both made of rubber materials.

As a further description of the above technical solution:

and a fixing head is fixedly arranged at one end of the screw rod close to the connecting pipe.

As a further description of the above technical solution:

the inner ring of the flange is arranged in a ring shape.

As a further description of the above technical solution:

the outer ring of the flange is arranged in a circular ring shape.

As a further description of the above technical solution:

the first sealing sleeve and the second sealing sleeve are parallel to each other.

As a further description of the above technical solution:

the diameter of the outer ring of the connecting pipe is the same as the inner diameter of the pipe groove.

The utility model discloses following beneficial effect has:

compare in current device, this novel welding flange who prevents leakage makes the screw rod more stable in the threaded hole in the draw-in groove through the kelly card when using, can effectually prevent that the screw rod from breaking away from the screw hole to make this flange more stable, and then can effectual prevention leak.

Compare in current device, this novel welding flange who prevents leakage when using, can be further the leakproofness of this flange of enhancement through No. two seal covers and a seal cover to can strengthen the stability of No. two seal covers through solid fixed ring, can effectually prevent that No. two seal covers from breaking away from, make this flange more durable.

Drawings

Fig. 1 is a schematic front sectional view of a leak-proof welding flange according to the present invention;

fig. 2 is a schematic front view of a leak-proof welding flange according to the present invention;

fig. 3 is an enlarged schematic view of a point a of the leak-proof welding flange provided by the present invention.

Illustration of the drawings:

1. a flange inner ring; 2. a pipe groove; 3. a spring; 4. a flange outer ring; 5. a card slot; 6. a screw; 7. a fixing ring; 8. a first sealing sleeve; 9. a sealing groove; 10. a threaded hole; 11. a ring groove; 12. a second sealing sleeve; 13. a connecting pipe; 14. a fixed head; 15. a movable groove; 16. a clamping rod; 17. a limiting head.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a leakage-proof welding flange comprises a flange inner ring 1, a flange outer ring 4 is fixedly sleeved in the middle of the ring body of the flange inner ring 1, a pipe groove 2 and a sealing groove 9 are respectively formed in the flange inner ring 1 close to two sides, a first sealing sleeve 8 is fixedly sleeved in the sealing groove 9, a ring groove 11 is formed in the center of the inner wall of one side, close to the first sealing sleeve 8, of the pipe groove 2, a fixing ring 7 is fixedly arranged in the ring groove 11, the fixing ring 7 is used for fixing a second sealing sleeve 12, so that the second sealing sleeve 12 is more stable, a second sealing sleeve 12 is fixedly arranged at one end, far away from the first sealing sleeve 8, of the fixing ring 7, the second sealing sleeve 12 is positioned in the pipe groove 2, a connecting pipe 13 is fixedly sleeved in the pipe groove 2, one end, far away from the fixing ring 7, of the second sealing sleeve 12 is movably sleeved in the connecting pipe 13, and a plurality of threaded holes 10 are formed in the side wall of the outer ring flange 4, make through screw hole 10 and draw-in groove 5 and have dual fixed effect between two flanges, make this flange more stable, the inside thread cover of a screw hole 10 is equipped with screw rod 6, draw-in groove 5 has all been seted up by both sides department to the pole body of screw rod 6, movable groove 15 has all been seted up to the top surface of screw hole 10 and bottom surface center department, two movable grooves 15 keep away from one side inner wall center department of screw rod 6 and all fixedly be provided with spring 3, can make kelly 16 have flexible ability through spring 3, make things convenient for kelly 16 card in draw-in groove 5, two spring 3 relative one end is all fixedly provided with spacing head 17, spacing head 17 is used for spacing kelly 16 to make kelly 16 more stable, two relative one side center departments of spacing head 17 are all fixedly provided with kelly 16, two relative one end homoactivities of kelly 16 set up in draw-in groove 5.

The equal activity of kelly 16 and spacing head 17 sets up in the inside of activity groove 15, seal cover 8 and No. two seal covers 12 are all made by rubber materials, rubber materials corrosion protection can the reinforce, it is sealed more to be convenient for, screw rod 6 is close to the fixed head 14 that is provided with of one end of connecting pipe 13, fixed head 14 is used for strengthening screw rod 6's stability, flange inner ring 1 sets ring shape, flange outer loop 4 sets ring shape, seal cover 8 and No. two seal covers 12 are parallel to each other, the outer loop diameter of connecting pipe 13 is the same with the inner diameter of chase 2, make things convenient for welding connecting pipe 13.

The working principle is as follows: during the use, at first prepare two these novel flanges, then all weld connecting pipe 13 in two pipe chase 2, then make and align between two seal cover 8, take out screw rod 6 and insert the screw hole 10 of two novel flanges in proper order, all sheathe the nut on every screw rod 6 again, make and fix together between two novel flanges, insert the in-process in screw rod 6 screw hole 10, card pole 16 can block in draw-in groove 5, thereby even make between screw rod 6 and the nut decay damage can not influence the stability of screw rod 6 yet, and then play the effect of preventing leaking.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Prevent welding flange of leakage, including flange inner ring (1), its characterized in that: the flange inner ring is characterized in that a flange outer ring (4) is fixedly sleeved in the middle of the ring body of the flange inner ring (1), a pipe groove (2) and a sealing groove (9) are respectively formed in the flange inner ring (1) by two sides, a first sealing sleeve (8) is fixedly sleeved in the sealing groove (9), a ring groove (11) is formed in the center of the inner wall of one side, close to the first sealing sleeve (8), of the pipe groove (2), a fixing ring (7) is fixedly arranged in the ring groove (11), a second sealing sleeve (12) is fixedly arranged at one end, far away from the first sealing sleeve (8), of the fixing ring (7), the second sealing sleeve (12) is positioned in the pipe groove (2), a connecting pipe (13) is fixedly sleeved in the pipe groove (2), a movable sleeve, far away from the fixing ring (7), of one end of the second sealing sleeve (12) is sleeved in the connecting pipe (13), one side wall of the flange outer ring (4) is in a ring shape, and a plurality of threaded holes (10) are formed, one the inside screw thread cover of screw hole (10) is equipped with screw rod (6), draw-in groove (5) have all been seted up by both sides department to the pole body of screw rod (6), movable groove (15), two have all been seted up to the top surface of screw hole (10) and bottom surface center department one side inner wall center department that screw rod (6) were kept away from in movable groove (15) all fixedly is provided with spring (3), two the relative one end of spring (3) is all fixedly provided with spacing head (17), two the relative one side center department of spacing head (17) is all fixedly provided with kelly (16), two the equal activity of the relative one end of kelly (16) sets up in draw-in groove (5).

2. A leak resistant welding flange as set forth in claim 1 wherein: the clamping rod (16) and the limiting head (17) are movably arranged in the movable groove (15).

3. A leak resistant welding flange as set forth in claim 1 wherein: the first sealing sleeve (8) and the second sealing sleeve (12) are both made of rubber materials.

4. A leak resistant welding flange as set forth in claim 1 wherein: and a fixing head (14) is fixedly arranged at one end of the screw rod (6) close to the connecting pipe (13).

5. A leak resistant welding flange as set forth in claim 1 wherein: the flange inner ring (1) is arranged in a circular ring shape.

6. A leak resistant welding flange as set forth in claim 1 wherein: the flange outer ring (4) is arranged in a circular ring shape.

7. A leak resistant welding flange as set forth in claim 1 wherein: the first sealing sleeve (8) and the second sealing sleeve (12) are parallel to each other.

8. A leak resistant welding flange as set forth in claim 1 wherein: the diameter of the outer ring of the connecting pipe (13) is the same as the inner diameter of the pipe groove (2).