CN214662748U

CN214662748U - Stainless steel flange sealing connection structure

Info

Publication number: CN214662748U
Application number: CN202120457119.7U
Authority: CN
Inventors: 张雨生; 张�成
Original assignee: Xinghua Shunxin Metal Products Co ltd
Current assignee: Xinghua Shunxin Metal Products Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-11-09
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a stainless steel flange sealing connection structure, including the connecting cylinder, the inner wall fixedly connected with pipe of connecting cylinder, the surface of pipe is provided with the recess, the inner wall fixedly connected with slide cartridge of recess, the inner wall fixedly connected with spring of slide cartridge, the one end fixedly connected with push pedal of spring, the last fixed surface of push pedal is connected with the slide bar, the slide bar runs through slide cartridge fixedly connected with backup pad, the lower surface of backup pad just is located the one end fixedly connected with sealing layer of pipe, sealing layer and pipe fixed connection are in the same place, the side of connecting cylinder is provided with the sealing washer, the inner circle and the backup pad fixed connection of sealing washer are in the same place. The utility model discloses in, simple structure not only can connect not unidimensional flange, can also connect the flange of different models, has improved connection structure's application range, and the leakproofness after connecting in addition is good.

Description

Stainless steel flange sealing connection structure

Technical Field

The utility model relates to a stainless steel field especially relates to a stainless steel flange sealing connection structure.

Background

Flanges, also called flange flanges or lugs, are parts of the interconnection between shafts for the connection between pipe ends, and flanges at the inlet and outlet of equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt together to form a combined sealing structure, wherein a pipeline flange refers to a flange for piping in a pipeline device and is used on equipment to refer to an inlet flange and an outlet flange of the equipment.

When the existing flanges are connected, a sealing gasket is installed between two groups of flanges and fixedly connected with the flanges through fixing bolts, the connection between the flanges of different models cannot be realized in the connecting mode, and in addition, the sealing performance of flange connection is influenced when the sealing gasket at the connecting part is rotten or damaged, so that the using effect of the flanges is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a stainless steel flange sealing connection structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a stainless steel flange sealing connection structure comprises a connecting cylinder, wherein a guide pipe is fixedly connected to the inner wall of the connecting cylinder, a groove is formed in the surface of the guide pipe, a sliding cylinder is fixedly connected to the inner wall of the groove, a spring is fixedly connected to the inner wall of the sliding cylinder, a push plate is fixedly connected to one end of the spring, a sliding rod is fixedly connected to the upper surface of the push plate, the sliding rod penetrates through the sliding cylinder and is fixedly connected with a supporting plate, a sealing layer is fixedly connected to the lower surface of the supporting plate and one end, located on the guide pipe, of the supporting plate, and the sealing layer and the guide pipe are fixedly connected together;

and a sealing ring is arranged on the side surface of the connecting cylinder, and the inner ring of the sealing ring is fixedly connected with the supporting plate.

As a further description of the above technical solution:

the quantity of sealing washer is two sets of, and two sets of sealing washer is axial symmetry distribution about the connecting cylinder.

As a further description of the above technical solution:

the number of the supporting plates is three, and the three supporting plates are distributed in a central symmetry mode relative to the guide pipe.

As a further description of the above technical solution:

the supporting plate is made of rubber, and the cross section of the supporting plate is in a circular ring shape.

As a further description of the above technical solution:

the inner wall fixedly connected with waterproof layer of recess, slide bar and waterproof layer sliding connection are in the same place.

As a further description of the above technical solution:

the sealing ring is made of rubber, and the sealing ring is connected with the connecting cylinder in a sliding mode.

As a further description of the above technical solution:

the cross-sectional shapes of the conduit and the connecting cylinder are both circular, and the conduit and the connecting cylinder are made of stainless steel.

As a further description of the above technical solution:

the inner wall of pipe is provided with the anticorrosive coating, one side of sealing washer and be close to connecting cylinder department and fill the resin.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, through connecting backup pad and spring, changed the cross sectional area of pipe, and then make a set of connection structure can connect different model unidimensional flanges, improved connection structure's application range.

2. The utility model discloses in, at the side-mounting sealing washer of connecting cylinder and scribble the resin in the side of sealing washer, can guarantee that the junction of connecting cylinder and connector is in encapsulated situation to guarantee to have good leakproofness after connecting.

3. The utility model discloses in, set up the sealing layer at the lower surface of backup pad to make the sealing layer remove along with the backup pad, can guarantee the leakproofness between backup pad and the pipe, avoid taking place liquid leakage phenomenon, influence connection structure's sealed effect.

4. The utility model discloses in, connect the flange through adopting connecting cylinder and pipe, avoided the old-fashioned directly to adopt the connected mode of sealed pad and fixing bolt convolution, avoided effectively sealed the too big leakproofness that influences the connection that receives of the sealed pad of corruption.

Drawings

Fig. 1 is a schematic structural view of a stainless steel flange sealing connection structure provided by the present invention;

fig. 2 is a side view of a stainless steel flange sealing connection structure provided by the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a perspective view of the stainless steel flange sealing connection structure provided by the utility model.

Illustration of the drawings:

1. a connecting cylinder; 2. a seal ring; 3. a conduit; 4. a support plate; 5. a sealing layer; 6. a slide bar; 7. a waterproof layer; 8. a groove; 9. a slide cylinder; 10. a spring; 11. a push plate.

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. 1-4, the present invention provides an embodiment: a stainless steel flange sealing connection structure comprises a connecting cylinder 1, wherein a guide pipe 3 is fixedly connected to the inner wall of the connecting cylinder 1, flanges are connected through the connecting cylinder 1 and the guide pipe 3, the old type connection of a sealing gasket and a fixed bolt is avoided, and a good sealing effect between the connected flanges is ensured, the inner wall of the guide pipe 3 is provided with an anticorrosive coating which can protect the guide pipe 3 to a certain extent, the guide pipe 3 is prevented from being washed by long-time liquid to cause thickness thinning, so that the normal use of the connection structure is influenced, the cross sections of the guide pipe 3 and the connecting cylinder 1 are both circular, the guide pipe 3 and the connecting cylinder 1 are made of stainless steel, the surface of the guide pipe 3 is provided with a groove 8, the inner wall of the groove 8 is fixedly connected with a sliding cylinder 9, the inner wall of the sliding cylinder 9 is fixedly connected with a spring 10, and one end of the spring 10 is fixedly connected with a push plate 11, the upper surface of the push plate 11 is fixedly connected with a slide rod 6, the inner wall of the groove 8 is fixedly connected with a waterproof layer 7, the slide rod 6 is connected with the waterproof layer 7 in a sliding manner, the slide rod 6 penetrates through a slide cylinder 9 and is fixedly connected with a support plate 4, the support plate 4 can realize position change under the action of a spring 10, so that connection between flanges of different models and different sizes is realized, the application range of the connection structure is improved, the number of the support plates 4 is three, the three support plates 4 are centrally and symmetrically distributed about the guide pipe 3, the support plate 4 is made of rubber, the support plate 4 and a connecting piece can be tightly attached together, so that the connection tightness is ensured, the cross section of the support plate 4 is in a circular ring shape, the sealing layer 5 is fixedly connected to the lower surface of the support plate 4 and one end of the guide pipe 3, and the sealing layer 5 can prevent liquid from passing through a gap between the support plate 4 and the guide pipe 3, thereby affecting the tightness of the connection structure and the sealing layer 5 and the conduit 3 are fixedly connected together.

The side of connecting cylinder 1 is provided with sealing washer 2, and sealing washer 2 can further improve the leakproofness between flange and the connection structure, and the inner circle and the backup pad 4 fixed connection of sealing washer 2 are in the same place, and the quantity of sealing washer 2 is two sets of, and two sets of sealing washers 2 are axisymmetric about connecting cylinder 1 and distribute, and the material of sealing washer 2 is rubber, and sealing washer 2 and connecting cylinder 1 sliding connection are in the same place, and one side of sealing washer 2 just is close to connecting cylinder 1 and locates to pack the resin.

The working principle is as follows: firstly, make spring 10 be in compression state through extrusion backup pad 4, then, in the backup pad 4 that will extrude stretches into the flange that needs to connect, later, loosen backup pad 4, the spring 10 that receives the compression can take place to kick-back, and then make backup pad 4 and the inner circle of flange laminate closely, afterwards, promote the flange, make the terminal surface of flange and sealing washer 2 contact, in order to realize the sealing connection to a set of flange, finally, the repetition step, carry out the installation of another group of flange to another group of backup pad 4, and make another group of flange contact with the sealing washer 2 of connecting cylinder 1 one side equally, after two sets of flanges accomplish the connection through connection structure, the resin of sealing washer 2 side can be attached to the flange, in order to guarantee that flange and sealing washer 2 are in closely laminating, thereby accomplish the sealing connection to the flange.

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. The utility model provides a stainless steel flange sealing connection structure, includes connecting cylinder (1), its characterized in that: the inner wall of the connecting cylinder (1) is fixedly connected with a guide pipe (3), a groove (8) is formed in the surface of the guide pipe (3), a sliding cylinder (9) is fixedly connected to the inner wall of the groove (8), a spring (10) is fixedly connected to the inner wall of the sliding cylinder (9), one end of the spring (10) is fixedly connected with a push plate (11), a sliding rod (6) is fixedly connected to the upper surface of the push plate (11), the sliding rod (6) penetrates through the sliding cylinder (9) and is fixedly connected with a supporting plate (4), a sealing layer (5) is fixedly connected to the lower surface of the supporting plate (4) and is located at one end of the guide pipe (3), and the sealing layer (5) and the guide pipe (3) are fixedly connected together;

the side of the connecting cylinder (1) is provided with a sealing ring (2), and the inner ring of the sealing ring (2) is fixedly connected with the supporting plate (4).

2. A stainless steel flange seal connection according to claim 1, wherein: the number of the sealing rings (2) is two, and the two sealing rings (2) are distributed in an axisymmetrical mode about the connecting cylinder (1).

3. A stainless steel flange seal connection according to claim 1, wherein: the number of the supporting plates (4) is three, and the supporting plates (4) are distributed in a central symmetry mode relative to the guide pipe (3).

4. A stainless steel flange seal connection according to claim 1, wherein: the supporting plate (4) is made of rubber, and the cross section of the supporting plate (4) is in a circular ring shape.

5. A stainless steel flange seal connection according to claim 1, wherein: the inner wall of the groove (8) is fixedly connected with a waterproof layer (7), and the sliding rod (6) is connected with the waterproof layer (7) in a sliding mode.

6. A stainless steel flange seal connection according to claim 1, wherein: the sealing ring (2) is made of rubber, and the sealing ring (2) is connected with the connecting cylinder (1) in a sliding mode.

7. A stainless steel flange seal connection according to claim 1, wherein: the cross-sectional shapes of the conduit (3) and the connecting cylinder (1) are both circular, and the conduit (3) and the connecting cylinder (1) are made of stainless steel.

8. A stainless steel flange seal connection according to claim 1, wherein: the inner wall of pipe (3) is provided with the anticorrosive coating, one side of sealing washer (2) and be close to connecting cylinder (1) and fill with resin.