CN212672629U

CN212672629U - Stainless steel seal flanging tube

Info

Publication number: CN212672629U
Application number: CN202020725371.7U
Authority: CN
Inventors: 朱刘平; 李俏
Original assignee: Individual
Current assignee: Jiangyin Aijia Metal Products Co.,Ltd.
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-03-09
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a stainless steel seal turn-ups pipe, including main turn-ups pipe and connection turn-ups pipe, main turn-ups pipe includes straight tube section and flaring section, and straight tube section and flaring section formula structure as an organic whole to flaring section one end is provided with the turn-ups, connect the turn-ups pipe box-joint in the flaring section surface outside. Has the advantages that: the utility model discloses a connect turn-ups pipe and flaring section, when the installation, can be with connecting the flaring section of turn-ups pipe cup joint at main turn-ups pipe, pass the screw rod, and use spanner mounting nut, at the in-process of screwing up mounting nut gradually, the sleeve of connecting the turn-ups pipe passes through the slide wedge principle, extrude the flaring section, thereby promote two main turn-ups pipe butt joints, can accomplish the installation, the installation is crossed, because flaring section surface is the inclined plane, the restriction is connected and is removed about the turn-ups pipe, the connection turn-ups pipe of both sides is taut each other, make to connect the turn-ups pipe and can not produce the phenomenon of horizontal slip, thereby make the connection more firm, the welded trouble has been saved, it is more convenient to connect.

Description

Stainless steel seal flanging tube

Technical Field

The utility model relates to a stainless steel turn-ups pipe technical field particularly, relates to a stainless steel seal turn-ups pipe.

Background

Stainless steel turn-ups pipe is through special mechanical equipment with tubular product both ends heating turn-ups design, has changed traditional flange welding or backing ring hot melt and has connected the hourglass that probably produces and weld the phenomenon, uses comparatively extensively at present, and traditional stainless steel turn-ups pipe turn-ups angle is mostly the right angle, and turn-ups thickness is the same with tubular product thickness.

Discovery after the retrieval, application number is CN201820192602.5, publication number is CN208041417U, in this application, adopt and be connected with stainless steel layer welded dish that compresses tightly, need compress tightly set intercommunication strengthening rib welded stainless steel layer surface when installing, not only comparatively troublesome, and arouse the stainless steel layer easily and scald, be unfavorable for the connection stability of pipeline, and simultaneously, traditional seal ring groove has been adopted in this application, be used for built-in sealing washer, but this kind of built-in sealing washer can not carry out abundant extrusion after connecting well, can not reach good sealed effect, can further be improved.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stainless steel seal turn-ups pipe possesses simple to operate, the good advantage of leakproofness, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing above-mentioned simple to operate, advantage that the leakproofness is good, the utility model discloses a concrete technical scheme as follows:

the utility model provides a stainless steel seal turn-ups pipe, includes main turn-ups pipe and connects the turn-ups pipe, main turn-ups pipe includes straight tube section and flaring section, and straight tube section and flaring section formula structure as an organic whole to flaring section one end is provided with the turn-ups, connect the turn-ups pipe cup joint in flaring section surface outside, and connect the turn-ups pipe and include sleeve and connecting plate to the through-hole has been seted up on the connecting plate surface, the screw rod is worn to be equipped with inside the through-hole of seting up on the connecting plate surface, and the screw rod passes through nut and connecting plate thread fixed connection, flaring section surface has certain slope, the sleeve internal surface slope is the same with flaring section surface slope.

Furthermore, female groove and bulge loop have been seted up to turn-ups one side surface, and the inside sealing washer that pastes of female inslot to the bulge loop height slightly is less than female groove degree of depth.

Further, the sleeve surface edge is provided with the mounting panel, and the mounting panel passes through connecting bolt fixed connection, and sleeve and mounting panel formula structure as an organic whole.

Further, female groove and bulge loop are provided with two sets ofly, and female groove and bulge loop are the ring shape structure to female groove width slightly is greater than the bulge loop width.

Furthermore, the screw rods are arranged in a plurality of equal-angle arrangement relative to the central axis of the main flanging pipe.

Further, the connecting bolt is provided with a plurality of bolts.

(III) advantageous effects

Compared with the prior art, the utility model provides a stainless steel seal flanging tube possesses following beneficial effect:

(1) the utility model discloses a connect turn-ups pipe and flaring section, when the installation, can be with connecting the flaring section of turn-ups pipe cup coupling at main turn-ups pipe, pass the screw rod, and use spanner mounting nut, at the in-process of screwing up mounting nut gradually, the sleeve of connecting the turn-ups pipe passes through the slide wedge principle, extrude the flaring section, thereby promote two main turn-ups pipe butt joints, can accomplish the installation, the back has been installed, because flaring section surface is the inclined plane, the restriction is connected and is removed about the turn-ups pipe, the connection turn-ups pipe of both sides is taut each other, make to connect the turn-ups pipe and can not produce the phenomenon of horizontal slip, thereby make the connection more firm, the welded trouble has been saved, it is more convenient to connect.

(2) The utility model discloses a female groove and bulge loop, female inslot portion is pasted and is had the sealing washer, at the in-process of butt joint, the bulge loop inserts in the female groove to make the bulge loop fully extrude the inside sealing washer of female groove along with the extrusion of connecting the turn-ups pipe, thereby make the sealing washer can fully be out of shape, and then the gap between full shutoff female groove and the bulge loop, thereby show and improve sealing performance, and simultaneously, be provided with the twice inside and outside female groove and the bulge loop, further improved sealing performance, fully avoided the emergence of leakage incident.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a stainless steel seal flanging tube provided by the present invention;

FIG. 2 is a front view of a stainless steel flanged pipe according to the present invention;

fig. 3 is a top view of the connecting flanged pipe of the present invention.

In the figure:

1. a main flanging pipe; 2. a straight pipe section; 3. a flared section; 4. a sleeve; 5. connecting the flanging pipe; 6. a seal ring; 7. a connecting plate; 8. a screw; 9. flanging; 10. a nut; 11. a mother tank; 12. a convex ring; 13. mounting a plate; 14. and connecting the bolts.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a stainless steel seal flanging tube.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a stainless steel flanged pipe according to an embodiment of the present invention comprises a main flanged pipe 1 and a connecting flanged pipe 5, wherein the main flanged pipe 1 comprises a straight pipe section 2 and an opening-expanding section 3, the straight pipe section 2 and the opening-expanding section 3 are of an integral structure, one end of the opening-expanding section 3 is provided with a flange 9, the flange 9 and the opening-expanding section 3 are of an integral structure, the connecting flanged pipe 5 is sleeved outside the surface of the opening-expanding section 3, the connecting flanged pipe 5 comprises a sleeve 4 and a connecting plate 7, the sleeve 4 and the connecting plate 7 are of an integral structure, the surface of the connecting plate 7 is provided with a through hole, a screw 8 is arranged inside the through hole arranged on the surface of the connecting plate 7, the screw 8 is fixedly connected with the connecting plate 7 through a nut 10 and a screw thread, the outer surface of the opening-expanding section 3 has a certain gradient, the inner surface of the sleeve 4 has, when the installation, can cup joint connection turn-ups pipe 5 at the flaring section 3 of main turn-ups pipe 1, pass screw rod 8, and use spanner mounting nut 10, at the in-process of screwing up mounting nut 10 gradually, the sleeve 4 of connecting turn-ups pipe 5 passes through the slide wedge principle, extrude flaring section 3, thereby promote two main turn-ups pipe 1 butt joints, can accomplish the installation, after the installation, because flaring section 3 surface is the inclined plane, control and connect and control about the turn-ups pipe 5, the connection turn-ups pipe 5 of both sides is taut each other, make connection turn-ups pipe 5 can not produce the phenomenon of horizontal slip, thereby make the connection more firm, the trouble of welded has been saved, it is more convenient to connect.

In one embodiment, female groove 11 and bulge loop 12 have been seted up to turn-ups 9 side surface, and female groove 11 is inside to paste there is sealing washer 6, and bulge loop 12 highly slightly is less than female groove 11 degree of depth, and at the in-process of butt joint, bulge loop 12 inserts in female groove 11 to along with connect the extrusion of turn-ups pipe 5 and make bulge loop 12 fully extrude the inside sealing washer 6 of female groove 11, thereby make sealing washer 6 fully to warp, and then fully shutoff gap between female groove 11 and the bulge loop 12, thereby show improvement sealing performance.

In one embodiment, the edge of the surface of the sleeve 4 is provided with a mounting plate 13, the mounting plate 13 is fixedly connected through a connecting bolt 14, the sleeve 4 and the mounting plate 13 are of an integrated structure, and a worker can detach the connecting bolt 14 to open the sleeve 4 and the connecting plate 7, so that the installation and the detachment are convenient.

In one embodiment, the female groove 11 and the protruding ring 12 are provided in two sets, the female groove 11 and the protruding ring 12 are both in a circular ring structure, the width of the female groove 11 is slightly larger than the width of the protruding ring 12, and the female groove 11 and the protruding ring 12 are provided in two sets inside and outside, so that the sealing performance is further improved, and the occurrence of leakage events is fully avoided.

In one embodiment, the screw 8 is provided in plurality, and the plurality of screws 8 are arranged at equal angles with respect to the central axis of the main flanging tube 1, so as to uniformly apply the extrusion force.

In one embodiment, the connecting bolts 14 are provided in plurality, so that the installation is firmer and the falling-off is prevented.

The working principle is as follows:

when the pipe is installed, the connecting flanging pipe 5 can be sleeved on the flaring section 3 of the main flanging pipe 1, the connecting flanging pipe penetrates through the screw rod 8, the wrench is used for installing the nut 10, in the process of gradually screwing the installing nut 10, the sleeve 4 of the connecting flanging pipe 5 extrudes the flaring section 3 through the wedge principle, so that the two main flanging pipes 1 are pushed to be butted, the installation can be completed, after the installation, because the outer surface of the flaring section 3 is an inclined plane, the left and right movement of the connecting flanging pipe 5 is limited, the connecting flanging pipes 5 at two sides are mutually tensioned, the connecting flanging pipe 5 can not slide left and right, so that the connection is firmer, the trouble of welding is saved, the connection is more convenient, meanwhile, in the butting process, the convex ring 12 is inserted into the female groove 11, and the convex ring 12 fully extrudes the sealing ring 6 in the female groove 11 along with the extrusion of the connecting flanging pipe 5, so that the sealing ring 6 can be fully deformed, thereby sufficiently blocking the gap between the female groove 11 and the male ring 12, and thus remarkably improving the sealing performance.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stainless steel sealing flanging pipe is characterized by comprising a main flanging pipe (1) and a connecting flanging pipe (5), the main flanging pipe (1) comprises a straight pipe section (2) and a flaring section (3), the straight pipe section (2) and the flaring section (3) are of an integrated structure, and one end of the flaring section (3) is provided with a flanging (9), the connecting flanging pipe (5) is sleeved outside the surface of the flaring section (3), and the connecting flanging pipe (5) comprises a sleeve (4) and a connecting plate (7), a through hole is arranged on the surface of the connecting plate (7), a screw rod (8) is arranged in the through hole arranged on the surface of the connecting plate (7) in a penetrating way, the screw rod (8) is fixedly connected with the connecting plate (7) through a nut (10) by screw threads, the outer surface of the flaring section (3) is provided with a certain gradient, and the gradient of the inner surface of the sleeve (4) is the same as that of the outer surface of the flaring section (3).

2. The stainless steel sealing flanging pipe according to claim 1, characterized in that a female groove (11) and a convex ring (12) are formed on one side surface of the flanging (9), a sealing ring (6) is adhered inside the female groove (11), and the height of the convex ring (12) is slightly smaller than the depth of the female groove (11).

3. The stainless steel sealing flanging tube of claim 1, wherein a mounting plate (13) is arranged on the surface edge of the sleeve (4), the mounting plate (13) is fixedly connected through a connecting bolt (14), and the sleeve (4) and the mounting plate (13) are of an integrated structure.

4. The stainless steel seal flanging tube as claimed in claim 2, wherein the female grooves (11) and the convex rings (12) are provided in two groups, the female grooves (11) and the convex rings (12) are both circular structures, and the width of the female grooves (11) is slightly larger than that of the convex rings (12).

5. A stainless steel tube according to claim 1, wherein the screws (8) are provided in plurality, and the plurality of screws (8) are arranged at equal angles with respect to the central axis of the main flanging tube (1).

6. A stainless steel flanged pipe according to claim 3, characterized in that the connecting bolt (14) is provided in plurality.