CN209856567U

CN209856567U - Reliable sealing flange

Info

Publication number: CN209856567U
Application number: CN201920545793.3U
Authority: CN
Inventors: 李国平; 林杰; 蔡张
Original assignee: Wenzhou Tian Xu Machinery Co Ltd
Current assignee: Wenzhou Tian Xu Machinery Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2019-12-27
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a reliable sealing flange, which comprises a flange body, a protection pad, springs and a second sealing pad, wherein the flange body is internally provided with eight first through holes, the first through holes are internally welded with the first sealing pad, the outer end surface at one side of the flange body is provided with the second through holes, the eight second through holes are distributed in an annular array manner relative to the flange body, the protection pad is welded on the outer surface of the second through holes, the protection pad is made of sponge, the inner threads of the second through holes are connected with bolts, the two ends of the bolts are all in threaded connection with nuts, the flange body is internally provided with a cavity, the springs are welded on the inner wall of the cavity, the springs are welded with the hole wall of the first through holes, the springs are provided with six springs, each three springs are in one group, and each group of springs are distributed in an equal distance relative to the cavity, the second sealing gasket is welded on the outer end face of one side of the flange body. The utility model discloses the leakproofness is strong and not fragile.

Description

Reliable sealing flange

Technical Field

The utility model relates to a technical field of flange specifically is a reliable type flange seals.

Background

A flange, also known as a flange collar or flange. Flanges are parts for interconnecting pipes and are used for connecting pipe ends, and flanges are used for connecting equipment inlets and outlets, such as speed reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection (screw thread connection) flange, a welding flange and a clamping flange.

Present flange only can play the effect of connecting the pipeline, and the leakproofness is not strong, probably leads to liquid to spill over, and pipeline live time overlength back, because expend with heat and contract with cold, the pipeline size probably changes, leads to the flange to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed reliable type flange possesses the strong and not fragile advantage of leakproofness, has solved present flange and can only play the effect of connecting tube, and the leakproofness is not strong, probably leads to liquid to spill over, and pipeline live time overlength back, because expend with heat and contract with cold, the pipeline size can change, leads to the problem that the flange damaged.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed reliable type flange, includes that flange body, protection pad, spring and second are sealed to fill up its characterized in that: the flange comprises a flange body and is characterized in that a first through hole is formed in the flange body, a first sealing gasket is welded in the first through hole, a second through hole is formed in the outer end face of one side of the flange body, a protection gasket is welded on the outer surface of the second through hole, a cavity is formed in the flange body, a spring is welded on the inner wall of the cavity, the spring is welded with the hole wall of the first through hole, and the second sealing gasket is welded on the outer end face of one side of the flange body.

Preferably, the number of the second through holes is eight, and the eight second through holes are distributed in an annular array relative to the flange body.

Preferably, the protection pad is made of sponge.

Preferably, the inner thread of the second through hole is connected with a bolt, and two ends of the bolt are both connected with nuts in a threaded manner.

Preferably, the springs are six in number, and the six springs are grouped into three springs, and each group of springs is equidistantly distributed about the cavity.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up the spring, the cavity, first sealed pad and the sealed pad of second, the strong and not fragile effect of leakproofness has been reached, cup joint the flange body at the surface of pipeline, the nut of screwing, first sealed pad and the sealed pad of second can be strengthened sealedly, sealed effect is better, when pipeline live time is too long, the pipeline is because of expend with heat and contract with cold size changes, the first through-hole of pipeline extrusion, first through-hole extrusion spring, the extrusion force can be alleviated to the spring, the protection flange body is not impaired, it is more convenient to use, and the practicality is stronger.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a flange body; 2. a protection pad; 3. a first through hole; 4. a first gasket; 5. a second through hole; 6. a spring; 7. a second gasket; 8. a cavity; 9. a nut; 10. and (4) bolts.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 to fig. 3, the present invention provides an embodiment: the utility model provides a sealed reliable type flange, includes flange body 1, the protection fills up 2, the sealed pad 7 of spring 6 and second, first through-hole 3 has been seted up to flange body 1's inside, and the inside welding of first through-hole 3 has first sealed pad 4, the sealed pad 7 welding of second is at the outer terminal surface in one side of flange body 1, cup joints flange body 1 at the surface of pipeline, the nut 9 of screwing, sealed pad 7 of first sealed pad 4 and second can strengthen sealedly, sealed effect is better.

The outer end face of one side of the flange body 1 is provided with eight second through holes 5, the eight second through holes 5 are distributed in an annular array mode relative to the flange body 1, the protection pad 2 is welded on the outer surface of the second through holes 5, the protection pad 2 is made of sponge, the protection pad 2 can protect the first through holes 3 from being broken due to extrusion of nuts 9, the inner threads of the second through holes 5 are connected with bolts 10, two ends of each bolt 10 are connected with the nuts 9 in a threaded mode, a cavity 8 is formed in the flange body 1, the springs 6 are welded on the inner wall of the cavity 8, the springs 6 are welded with the hole wall of the first through holes 3, the number of the springs 6 is six, every three springs 6 are in one group, each group of the springs 6 is distributed at equal intervals relative to the cavity 8, when the service life of a pipeline is too long, the size of the pipeline is changed due to thermal expansion and cold contraction, the pipeline extrudes the first, the spring 6 can relieve the extrusion force, and the protection flange body 1 is not impaired, and it is more convenient to use, and the practicality is stronger.

The working principle is as follows: cup joint flange body 1 at the surface of pipeline, the nut 9 of screwing, the sealed pad 7 of first sealed pad 4 and second can be strengthened sealedly, and sealed effect is better, and when pipeline live time is too long, the pipeline changes because of expend with heat and contract with cold size, and the first through-hole 3 of pipeline extrusion, first through-hole 3 extrusion spring 6, and the extrusion force can be alleviated to spring 6, and protection flange body 1 is not impaired.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sealed reliable type flange, includes flange body (1), protection pad (2), spring (6) and the sealed pad (7) of second, its characterized in that: first through-hole (3) have been seted up to the inside of flange body (1), and the inside welding of first through-hole (3) has first sealed pad (4), second through-hole (5) have been seted up to the outer terminal surface in one side of flange body (1), protection pad (2) welding is at the surface of second through-hole (5), cavity (8) have been seted up to the inside of flange body (1), spring (6) welding is at the inner wall of cavity (8), and the pore wall welding of spring (6) and first through-hole (3), the outer terminal surface in one side of flange body (1) is welded to the sealed pad (7) of second.

2. A flange according to claim 1, wherein: the number of the second through holes (5) is eight, and the eight second through holes (5) are distributed in an annular array relative to the flange body (1).

3. A flange according to claim 1, wherein: the protection pad (2) is made of sponge.

4. A flange according to claim 1, wherein: the inner thread of the second through hole (5) is connected with a bolt (10), and two ends of the bolt (10) are both connected with nuts (9) in a threaded manner.

5. A flange according to claim 1, wherein: the number of the springs (6) is six, every three springs (6) form a group, and the springs (6) in each group are distributed at equal intervals relative to the cavity (8).