CN212319069U

CN212319069U - Double containment structure clamp formula flange

Info

Publication number: CN212319069U
Application number: CN202020671175.6U
Authority: CN
Inventors: 李卓
Original assignee: Changzhou Changwu Xinshe Petrochemical Fittings Co ltd
Current assignee: Changzhou Changwu Xinshe Petrochemical Fittings Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-08
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a double-sealing structure clamp type flange, which comprises a first pipeline and a second pipeline, wherein the outer side of one end of the first pipeline close to the second pipeline is fixedly sleeved with the first flange, the utility model wraps the lower ends and the outer side wall of the two flanges through a bottom ring and an annular cylinder which are arranged, then the two semicircular rings are rotated to enable the two semicircular rings to be correspondingly contacted with each other, so that the two semicircular rings wrap the upper ends of the two flanges, the two flanges are positioned in the annular cylinder by the extrusion of the pressing block, so that the joint of the two flanges is tightly contacted with the annular gasket, the semicircular ring and the annular cylinder are fixed through bolts to form a hoop, so that the two flanges are fixed together, need not to make the clamp warp when fixing the flange, and then can use the harder material of material to make the clamp, and then make the large-scale pipeline also can use the better clamp formula flange of sealed effect to fix.

Description

Double containment structure clamp formula flange

Technical Field

The utility model relates to a flange, in particular to double containment structure clamp formula flange belongs to the pipe connection technology field.

Background

Flanges, also called flange flanges or beads, are parts of the interconnection between shafts, also used for the connection between pipes; there are also flanges on the inlet and outlet of the device for connection between two devices.

When the two pipelines are connected through the flanges, the flanges mainly play a supporting role between the two pipelines, the two flanges are fixed together after being fixed on the surfaces of the two pipelines, so as to drive the two pipelines to be fixed and further prevent water flow in the pipelines from leaking, but the prior clamp type flange needs to be fixedly clamped and sleeved on the surfaces of the two flanges when being installed, the two flanges are wrapped by the clamp, but the size of the hoop is increased when the existing flange is used for connecting a large-scale pipeline, the deformation generated when the larger hoop is sleeved on the outer side of the flange is increased, but harder clamp can't take place great deformation inconvenient installation when using, and softer clamp will warp after long-term the use and can't guarantee sealedly, and then makes the unable clamp formula flange of using sealed effect better of large pipeline fixed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double containment structure clamp formula flange, the effectual size that has solved the flange that exists among the prior art and when connecting large-scale pipeline increases simultaneously of clamp, the deformation that takes place when the flange outside is cup jointed to great clamp will increase, but can't take place great deformation inconvenient when harder clamp uses and install, can't warp after the long-term use of softer clamp and guarantee sealed, and then make the unable better clamp formula flange of sealed effect of use of large-scale pipeline carry out the problem of fixing.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a double-sealing structure clamp type flange, which comprises a first pipeline and a second pipeline, wherein a first flange is fixedly sleeved outside one end of the first pipeline close to the second pipeline, a second flange is fixedly sleeved outside one end of the second pipeline close to the first pipeline, a clamp mechanism is arranged outside the first flange and the second flange, a first sealing mechanism is arranged between the first flange and the second flange, a second sealing mechanism is arranged on the clamp mechanism, the clamp mechanism comprises a bottom ring, the bottom ring is sleeved outside the first pipeline, an annular cylinder is fixedly sleeved outside the bottom ring, two symmetrically-arranged jacks are arranged on one side of the upper end of the annular cylinder in a penetrating way, two insert rods are inserted into the jacks, a fixing ring is fixedly sleeved outside the lower part of the annular cylinder, and a semi-circle ring is fixedly connected on the upper ends of the insert rods, two the semicircle ring is kept away from the one end of inserted bar and is all run through and seted up the through-hole, two the inside of through-hole is all pegged graft and is had the bolt, two the bolt is threaded connection respectively inside two screws, two the screw symmetry is seted up in the one side that the jack was kept away from to the upper end of an annular section of thick bamboo.

As a preferred technical scheme of the utility model, first sealing mechanism includes first ring channel, first ring channel is seted up on one side lateral wall that the second flange is close to first flange, the inside joint of first ring channel has the rubber ring, the other end joint of rubber ring is in the inside of second ring channel, the second ring channel is seted up on one side lateral wall that first flange is close to the second flange.

As a preferred technical scheme of the utility model, second sealing mechanism includes annular gasket and semi-ring groove, annular gasket fixed connection is on the inner wall of an annular section of thick bamboo, two semi-ring groove is seted up respectively on the lower surface of two semi-ring grooves, two the equal joint in inside of semi-ring groove has half pressing ring.

As an optimal technical scheme of the utility model, annular gasket's upper end is provided with the inclined plane, annular gasket's the height that highly is greater than first flange.

As an optimal technical scheme of the utility model, two the lower surface of half pressing ring is close to the one end of second pipeline and all is provided with the inclined plane.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a lower extreme and the lateral wall of two flanges are wrapped up in to the foundation ring that sets up and an annular section of thick bamboo, then rotate two semicircle rings, make two semicircle rings contact that corresponds each other, make two semicircle rings wrap up the upper end of two flanges, it is inside to be located an annular section of thick bamboo through pressing the briquetting extrusion two flanges, make the junction and the annular gasket in close contact with of two flanges, through the bolt with the fixed clamp that forms of semicircle ring and an annular section of thick bamboo, and then fix two flanges together, need not to make the clamp warp when fixing the flange, and then can use the harder material of material to make the clamp, and then make the better clamp formula flange of large-scale pipeline also usable seal effect fix.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front cut-away view of the present invention;

FIG. 2 is a side cut-away view of the present invention;

fig. 3 is a top cut away view of the present invention;

fig. 4 is a bottom view of the semicircular ring of the present invention.

In the figure: 1. a first conduit; 2. a second conduit; 3. a first flange; 4. a second flange; 5. a clamp mechanism; 51. a bottom ring; 52. an annular cylinder; 53. a jack; 54. inserting a rod; 55. a fixing ring; 56. a semicircular ring; 57. a through hole; 58. a bolt; 59. a screw hole; 6. a first sealing mechanism; 61. a first annular groove; 62. a second annular groove; 63. a rubber ring; 7. a second sealing mechanism; 71. an annular gasket; 72. a semi-annular groove; 73. and a semi-pressing 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.

Example (b): as shown in fig. 1-4, the dual-sealing structure clamp type flange of the present invention comprises a first pipeline 1 and a second pipeline 2, a first flange 3 is fixedly sleeved on an outer side of one end of the first pipeline 1 close to the second pipeline 2, a second flange 4 is fixedly sleeved on an outer side of one end of the second pipeline 2 close to the first pipeline 1, a clamp mechanism 5 is disposed on outer sides of the first flange 3 and the second flange 4, a first sealing mechanism 6 is disposed between the first flange 3 and the second flange 4, a second sealing mechanism 7 is disposed on the clamp mechanism 5, the clamp mechanism 5 comprises a bottom ring 51, the bottom ring 51 is sleeved on an outer side of the first pipeline 1, an annular cylinder 52 is fixedly sleeved on an outer side of the bottom ring 51, two symmetrically disposed insertion holes 53 are formed through one side of an upper end of the annular cylinder 52, insertion rods 54 are respectively inserted into the two insertion holes 53, a fixing ring 55 is respectively fixedly sleeved on outer sides of the two insertion rods 54 below the annular cylinder 52, the upper ends of the two insert rods 54 are fixedly connected with semicircular rings 56, one ends of the two semicircular rings 56, which are far away from the insert rods 54, are provided with through holes 57 in a penetrating manner, bolts 58 are inserted into the through holes 57, the two bolts 58 are respectively in threaded connection with the insides of two screw holes 59, the two screw holes 59 are symmetrically arranged on one side, which is far away from the jack 53, of the upper end of the annular cylinder 52, the bottom ring 51 is sleeved on the outer side of the first pipeline 1, then the first pipeline 1 and the first flange 3 are welded together, the second pipeline 2 and the second flange 4 are welded together, then the first flange 3 and the second flange 4 are in butt joint, the rubber ring 63 is clamped in the first annular groove 61 and the second annular groove 62, then the first flange 3 and the second flange 4 are clamped in the annular cylinder 52, then the two semicircular rings 56 are rotated, the two semicircular rings 56 rotate around the insert rods 54, the two semicircular rings 56 are sleeved on the outer side of the second flange 4 and spliced, then, the bolts 58 are inserted into the through holes 57, and the bolts 58 are screwed into the screw holes 59, so that the two semicircular rings 56 and the annular cylinder 52 are fixed together, thereby tightly fixing the first flange 3 and the second flange 4 inside the annular cylinder 52, and effectively tightly fixing the first flange 3 and the second flange 4 together.

First sealing mechanism 6 includes first ring channel 61, first ring channel 61 is seted up on second flange 4 is close to one side lateral wall of first flange 3, the inside joint of first ring channel 61 has rubber ring 63, the other end joint of rubber ring 63 is in the inside of second ring channel 62, second ring channel 62 is seted up on one side lateral wall that first flange 3 is close to second flange 4, press the upper surface of second flange 4 through the inclined plane of half pressing ring 73 lower extreme when semicircle ring 56 rotates, the extrusion through two half pressing rings 73 with the stable joint of first flange 3 and second flange 4 inside ring cylinder 52, make first ring channel 61 and second ring channel 62 carry out inseparable joint to the both ends of rubber ring 63, block up the gap between first flange 3 and the second flange 4 through rubber ring 63 and prevent that rivers from leaking.

Second sealing mechanism 7 includes annular gasket 71 and semi-annular groove 72, annular gasket 71 fixed connection is on the inner wall of an annular section of thick bamboo 52, two semi-annular grooves 72 are seted up respectively on the lower surface of two semi-circular rings 56, the equal joint in inside of two semi-annular grooves 72 has half pressing ring 73, make the annular gasket 71 of fixed connection on the inner wall of an annular section of thick bamboo 52 and the junction in close contact with of first flange 3 and second flange 4, and then prevent that rivers from taking place to leak from the junction of first flange 3 and second flange 4, make the convenient joint of first flange 3 and second flange 4 inside annular gasket 71 through the inclined plane of annular gasket 71 upper end.

The upper end of the annular gasket 71 is provided with an inclined plane, the height of the annular gasket 71 is greater than that of the first flange 3, so that the annular gasket 71 fixedly connected to the inner wall of the annular cylinder 52 is in close contact with the joint of the first flange 3 and the second flange 4, and the first flange 3 and the second flange 4 are conveniently clamped inside the annular gasket 71 through the inclined plane at the upper end of the annular gasket 71.

The lower surfaces of the two semi-pressing rings 73 are provided with inclined surfaces at one ends close to the second pipeline 2, and the upper surface of the second flange 4 is pressed through the inclined surfaces at the lower ends of the pressing blocks 73 when the semi-circular rings 56 rotate.

Specifically, when the utility model is used, firstly, the bottom ring 51 is sleeved on the outer side of the first pipeline 1, then the first pipeline 1 is welded with the first flange 3, the second pipeline 2 is welded with the second flange 4, then the first flange 3 is butted with the second flange 4, the rubber ring 63 is clamped in the first annular groove 61 and the second annular groove 62, then the first flange 3 and the second flange 4 are clamped in the annular cylinder 52, the annular gasket 71 fixedly connected on the inner wall of the annular cylinder 52 is tightly contacted with the joint of the first flange 3 and the second flange 4, further, the water flow is prevented from leaking from the joint of the first flange 3 and the second flange 4, the first flange 3 and the second flange 4 are conveniently clamped in the annular gasket 71 through the inclined plane of the annular gasket 71, then the two semicircular rings 56 are rotated, so that the two semicircular rings 56 rotate around the inserted rod 54, the two semicircular rings 56 are sleeved on the outer side of the second flange 4 to form a circular ring, when the semicircular rings 56 rotate, the upper surface of the second flange 4 is pressed through the inclined plane at the lower end of the pressing block 73, the first flange 3 and the second flange 4 are stably clamped inside the annular cylinder 52 by the extrusion of the two half-pressing rings 73, so that the first annular groove 61 and the second annular groove 62 tightly clamp both ends of the rubber ring 63, then, the bolts 58 are inserted into the through holes 57, and the bolts 58 are screwed into the screw holes 59, so that the two semicircular rings 56 are fixed with the annular cylinder 52, thereby tightly fixing the first flange 3 and the second flange 4 inside the annular cylinder 52, effectively tightly fixing the first flange 3 and the second flange 4 together, through the effectual rivers emergence of preventing first water pipe 1 and the inside water flow of second water pipe 2 of the rubber ring 63 of joint between first flange 3 and second flange 4 and leak.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The double-seal-structure clamp type flange is characterized by comprising a first pipeline (1) and a second pipeline (2), wherein the first flange (3) is fixedly sleeved on the outer side of one end, close to the second pipeline (2), of the first pipeline (1), the second flange (4) is fixedly sleeved on the outer side of one end, close to the first pipeline (1), of the second pipeline (2), a clamp mechanism (5) is arranged on the outer sides of the first flange (3) and the second flange (4), a first sealing mechanism (6) is arranged between the first flange (3) and the second flange (4), a second sealing mechanism (7) is arranged on the clamp mechanism (5), the clamp mechanism (5) comprises a bottom ring (51), the bottom ring (51) is sleeved on the outer side of the first pipeline (1), an annular cylinder (52) is fixedly sleeved on the outer side of the bottom ring (51), the utility model discloses a bolt, including annular section of thick bamboo (52), the upper end of annular section of thick bamboo (52) one side runs through jack (53) of seting up two symmetry settings, two the inside of jack (53) is all pegged graft and is had inserted bar (54), two outside that inserted bar (54) are located annular section of thick bamboo (52) below all fixedly connected with solid fixed ring (55), two the equal fixedly connected with semicircle ring (56) in upper end of inserted bar (54), two the one end that inserted bar (54) were kept away from to semicircle ring (56) all runs through and has seted up through-hole (57), two bolt (58) have all been pegged graft to the inside of through-hole (57), two bolt (58) threaded connection is inside two screw holes (59) respectively, two screw hole (59) symmetry is seted up in the one side that jack (53.

2. The dual sealing structure clamp type flange according to claim 1, wherein the first sealing mechanism (6) comprises a first annular groove (61), the first annular groove (61) is formed on a side wall of the second flange (4) close to the first flange (3), a rubber ring (63) is clamped in the first annular groove (61), the other end of the rubber ring (63) is clamped in the second annular groove (62), and the second annular groove (62) is formed on a side wall of the first flange (3) close to the second flange (4).

3. The dual sealing structure clamp type flange according to claim 1, wherein the second sealing mechanism (7) comprises an annular gasket (71) and a semi-annular groove (72), the annular gasket (71) is fixedly connected to the inner wall of the annular cylinder (52), the two semi-annular grooves (72) are respectively opened on the lower surfaces of the two semi-annular rings (56), and the semi-pressing rings (73) are respectively clamped inside the two semi-annular grooves (72).

4. The dual sealing structure band flange according to claim 3, wherein the upper end of the ring-shaped gasket (71) is provided with a slope, and the height of the ring-shaped gasket (71) is greater than that of the first flange (3).

5. The dual sealing structure band flange according to claim 3, wherein the lower surfaces of both said semi-pressing rings (73) are provided with a slope at the end near the second pipe (2).