CN213954626U

CN213954626U - Pipeline flange

Info

Publication number: CN213954626U
Application number: CN202023015905.6U
Authority: CN
Inventors: 周庆喜
Original assignee: Langfang Yongsheng Industrial Products Co ltd
Current assignee: Langfang Yongsheng Industrial Products Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-13
Anticipated expiration: 2030-12-14

Abstract

The utility model provides a pipeline flange belongs to flange technical field. This pipeline flange includes first flange, first seal assembly, second flange and second seal assembly, second seal assembly includes second connecting pipe, funnel type stay tube and second funnel type sealing washer, during the installation, to inside promotion second connecting pipe of spread groove, funnel type stay tube and second funnel type sealing washer, then make locking bolt and screw hole threaded connection, then rotatory locking bolt of screwing up makes the second flange remove to first flange, and then crowd the inside of first connecting pipe and first funnel type sealing washer into the second connecting pipe, and crowd the inside of second connecting pipe, funnel type stay tube and second funnel type sealing washer into the spread groove, can make the leakproofness of being connected between second flange and the first flange better, and then the difficult condition that takes place to leak, be favorable to the use of flange.

Description

Pipeline flange

Technical Field

The utility model relates to a flange field particularly, relates to a pipeline flange.

Background

At present, flange structural style is various, and the flange joint of the overwhelming majority is two flange butt joints, and sets up the sealing washer on the butt joint terminal surface and guarantees the leakproofness.

However, the bolts on the existing flange plate penetrate through the whole flange plate and the middle sealing ring, so that the sealing ring is deformed under pressure when being installed, the deformation surface is continuously enlarged in the using process, the sealing performance of the sealing ring is directly affected, the sealing performance of flange connection is poor, leakage is easy to occur, and the flange is not favorable for use.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a pipeline flange aims at improving the leakproofness that makes flange joint relatively poor, and then the condition of very easily taking place to leak, is unfavorable for the use problem of flange.

The utility model discloses a realize like this:

the utility model provides a pipeline flange, including first flange, first seal assembly, second flange and second seal assembly.

First opening has been seted up at the center of first flange, the spread groove has been seted up at the center of first flange one side, the spread groove with first opening is linked together, the week side edge of first flange sets up threaded hole.

The first sealing assembly comprises a first connecting pipe and a first funnel-shaped sealing ring, one end of the first connecting pipe is fixedly connected with the inner wall of one side of the connecting groove, the first connecting pipe is communicated with the first opening, the center of the first connecting pipe is located on the same horizontal straight line with the center of the connecting groove, one end of the first funnel-shaped sealing ring is fixedly connected with the inner wall of one side of the connecting groove, the inner wall of the other end of the first funnel-shaped sealing ring is fixedly connected with the outer wall of the other end of the first connecting pipe, and the first funnel-shaped sealing ring is sleeved on the outer side of the first connecting pipe.

The edge of the peripheral side of the second flange is rotatably inserted with a locking bolt, the locking bolt is arranged corresponding to the threaded hole, and the center of the second flange is provided with a second through hole.

The second sealing assembly comprises a second connecting pipe, a funnel-shaped supporting pipe and a second funnel-shaped sealing ring, one end of the second connecting pipe is connected to one surface of the second flange, the second connecting pipe is communicated with the second through hole, the funnel-shaped supporting pipe is fixedly sleeved on the outer side of the second connecting pipe, the inner wall of one end of the funnel-shaped supporting pipe is fixedly connected with the outer wall of the other end of the second connecting pipe, the second funnel-shaped sealing ring is fixedly sleeved on the outer wall of the funnel-shaped supporting pipe, the second connecting pipe, the funnel-shaped supporting pipe and the second funnel-shaped sealing ring are both arranged corresponding to the connecting groove, and the first connecting pipe and the first funnel-shaped sealing ring are arranged corresponding to the second connecting pipe.

In an embodiment of the utility model, the first flange is kept away from one side of spread groove is connected with first intercommunication pipe, first intercommunication pipe with first opening is linked together.

The utility model discloses an in one embodiment, the screw hole is provided with a plurality of, a plurality of the screw hole align to grid.

The utility model discloses an in one embodiment, the connecting hole has been seted up to the week side of first flange, a plurality of have been seted up to the connecting hole one-to-one respectively be located a plurality of one side of screw hole.

In an embodiment of the present invention, the other end of the first connecting pipe is connected to a first rubber sealing ring.

The utility model discloses an in one embodiment, the second flange is kept away from the one side of second connecting pipe is connected with second communicating pipe, second communicating pipe with the second port is linked together.

The utility model discloses an in an embodiment, locking bolt rotates to peg graft and has a plurality of, a plurality of locking bolt align to grid, a plurality of locking bolt and a plurality of the screw hole is the one-to-one setting respectively.

The utility model discloses an in one embodiment, the one side of second flange is connected with the gag lever post, the gag lever post is provided with a plurality of, a plurality of the gag lever post is located a plurality of one-to-one respectively one-to the gag lever post one side of locking bolt, a plurality of the one end of gag lever post one-to-one respectively slides run through in a plurality of the inside of connecting hole, a plurality of the body of rod of gag lever post all is provided with the length scale mark.

In an embodiment of the present invention, the other end of the funnel-shaped supporting tube is fixedly connected to one surface of the second flange.

In an embodiment of the present invention, the inner wall of the second funnel-shaped sealing ring is fixedly connected to the outer wall of the funnel-shaped supporting tube.

The utility model has the advantages that: the utility model discloses a pipeline flange that above-mentioned design obtained, during the installation, entangle first connecting pipe and first funnel type sealing washer with the second connecting pipe, then to the inside second connecting pipe that promotes of spread groove, funnel type stay tube and second funnel type sealing washer, then make locking bolt and screw hole threaded connection, then rotatory locking bolt of screwing up makes the second flange remove to first flange, and then crowd the inside of first connecting pipe and first funnel type sealing washer into the second connecting pipe, and with the second connecting pipe, the inside of funnel type stay tube and the crowded spread groove of second funnel type sealing washer, can make the leakproofness of being connected between second flange and the first flange better, and then the difficult condition that takes place to leak, be favorable to the use of flange.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the overall cross-sectional structure of a pipe flange according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a first flange according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a second flange according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first sealing assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a second sealing assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a portion of the second connecting pipe, the funnel-shaped supporting pipe, and the second funnel-shaped sealing ring according to the embodiment of the present invention.

In the figure: 100-a first flange; 110-a first port; 120-connecting grooves; 130-a threaded hole; 140-a first communication pipe; 150-connecting hole; 200-a first seal assembly; 210-a first connection tube; 211-a first rubber sealing ring; 220-a first funnel-shaped sealing ring; 300-a second flange; 310-a locking bolt; 320-a second port; 330-a second communication pipe; 340-a limiting rod; 341-length scale lines; 400-a second seal assembly; 410-a second connecting tube; 420-funnel type supporting tube; 430-second funnel-type sealing ring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a pipe flange, which includes a first flange 100, a first sealing assembly 200, a second flange 300 and a second sealing assembly 400.

Referring to fig. 1 and 2, a first opening 110 is formed in the center of a first flange 100, a connecting groove 120 is formed in the center of one surface of the first flange 100, the connecting groove 120 is communicated with the first opening 110, a first communicating pipe 140 is connected to one surface of the first flange 100, which is far away from the connecting groove 120, the first communicating pipe 140 is communicated with the first opening 110, the first communicating pipe 140 facilitates the communication between the first flange 100 and a pipeline, a threaded hole 130 is formed in the peripheral edge of the first flange 100, the threaded hole 130 is provided with a plurality of threaded holes 130, the threaded holes 130 are uniformly arranged, connecting holes 150 are formed in the peripheral edge of the first flange 100, the connecting holes 150 are formed in a plurality of positions, one side of the plurality of threaded holes 130 corresponds to one side of the plurality of connecting holes 150.

Referring to fig. 1, 2 and 4, the first sealing assembly 200 includes a first connecting pipe 210 and a first funnel-shaped sealing ring 220, one end of the first connecting pipe 210 is fixedly connected to an inner wall of one side of the connecting groove 120, one end of the first connecting pipe 210 is connected to the inner wall of one side of the connecting groove 120 by welding, the first connecting pipe 210 is communicated with the first through opening 110, a center of the first connecting pipe 210 and a center of the connecting groove 120 are on the same horizontal straight line, a length from a peripheral side wall of the first connecting pipe 210 to the inner wall of the connecting groove 120 is equal, the other end of the first connecting pipe 210 is connected to a first rubber sealing ring 211, the first rubber sealing ring 211 is used for sealing, one end of the first funnel-shaped sealing ring 220 is fixedly connected to the inner wall of one side of the connecting groove 120, the inner wall of the other end of the first funnel-shaped sealing ring 220 is fixedly connected to the outer wall of the other end of the first connecting pipe 210, the first funnel-shaped sealing ring 220 is sleeved outside the first connecting pipe 210, a waterproof sealant is arranged between the first funnel-shaped sealing ring 220 and the first connecting pipe 210.

Referring to fig. 1 and 3, the locking bolts 310 are rotatably inserted into the edges of the peripheral sides of the second flange 300, the locking bolts 310 are arranged corresponding to the threaded holes 130, the locking bolts 310 are rotatably inserted into a plurality of locking bolts 310, the plurality of locking bolts 310 are uniformly arranged, and the plurality of locking bolts 310 and the plurality of threaded holes 130 are respectively arranged in a one-to-one correspondence.

When the device is specifically arranged, one side of the second flange 300 is connected with a limiting rod 340, the limiting rod 340 is provided with a plurality of limiting rods 340, the plurality of limiting rods 340 are respectively positioned at one side of the plurality of locking bolts 310 in a one-to-one correspondence manner, one ends of the plurality of limiting rods 340 are respectively penetrated in the plurality of connecting holes 150 in a one-to-one correspondence manner in a sliding manner, the limiting rods 340 are used for limiting, the second flange 300 can be effectively prevented from deviating from the first flange 100 when being connected, so that the locking bolts 310 are in threaded connection with the threaded holes 130, then the second flange 300 can be connected with the first flange 100 by rotating and screwing the locking bolts 310, the limiting rods 340 can effectively prevent the second flange 300 from deviating from the first flange 100 when being connected, the rod bodies of the plurality of limiting rods 340 are all provided with length scale marks 341, and the screwing degree of the plurality of locking bolts 310 can be directly and accurately known through the length scale marks 341, the tightening degrees of the locking bolts 310 are different from the positions of the first flange 100 on the length scale mark 341, so that the situation that the second flange 300 and the first flange 100 deviate and have a gap due to the different tightening degrees of the locking bolts 310 can be effectively prevented.

In this embodiment, the second port 320 is opened at the center of the second flange 300, the second connection pipe 330 is connected to a surface of the second flange 300 away from the second connection pipe 410, the second connection pipe 330 is communicated with the second port 320, and the second connection pipe 330 is used for being connected to a pipeline.

Referring to fig. 1 to 6, the second sealing assembly 400 includes a second connecting pipe 410, a funnel-shaped supporting pipe 420 and a second funnel-shaped sealing ring 430, one end of the second connecting pipe 410 is connected to one surface of the second flange 300 by welding, the second connecting pipe 410 is communicated with the second port 320, the funnel-shaped supporting pipe 420 is fixedly sleeved outside the second connecting pipe 410, a waterproof sealant is disposed between the funnel-shaped supporting pipe 420 and the second connecting pipe 410, an inner wall of one end of the funnel-shaped supporting pipe 420 is fixedly connected to an outer wall of the other end of the second connecting pipe 410, an inner wall of one end of the funnel-shaped supporting pipe 420 is connected to an outer wall of the other end of the second connecting pipe 410 by welding, the other end of the funnel-shaped supporting pipe 420 is fixedly connected to one surface of the second flange 300, the other end of the funnel-shaped supporting pipe 420 is connected to one surface of the second flange 300 by welding, the second funnel-shaped sealing ring 430 is fixedly sleeved on the outer wall of the funnel-shaped supporting pipe 420, the inner wall of the second funnel-shaped sealing ring 430 is fixedly connected with the outer wall of the funnel-shaped supporting pipe 420, waterproof sealant is arranged between the second funnel-shaped sealing ring 430 and the funnel-shaped supporting pipe 420, the second connecting pipe 410, the funnel-shaped supporting pipe 420 and the second funnel-shaped sealing ring 430 are all arranged corresponding to the connecting groove 120, and the first connecting pipe 210, the first funnel-shaped sealing ring 220 and the second connecting pipe 410 are arranged corresponding to each other.

In the present application, the second connection pipe 410 is sleeved on the first connection pipe 210 and the first funnel-type sealing ring 220, then the second connection pipe 410, the funnel-type support pipe 420 and the second funnel-type sealing ring 430 are pushed toward the inside of the connection groove 120, then the locking bolt 310 is screwed into the threaded hole 130, and then the locking bolt 310 is rotated and tightened to move the second flange 300 toward the first flange 100, thereby squeezing the first connection pipe 210 and the first funnel-type sealing ring 220 into the inside of the second connection pipe 410, and squeezing the second connection pipe 410, the funnel-type support pipe 420 and the second funnel-type sealing ring 430 into the inside of the connection groove 120.

Specifically, the working principle of the pipeline flange is as follows: the second connecting pipe 410 is sleeved on the first connecting pipe 210 and the first funnel-shaped sealing ring 220, then the second connecting pipe 410, the funnel-shaped supporting pipe 420 and the second funnel-shaped sealing ring 430 are pushed towards the inside of the connecting groove 120, then the locking bolts 310 are respectively in threaded connection with the locking threaded holes 130 in a one-to-one correspondence manner, then the locking bolts 310 are rotated and screwed to enable the second flange 300 to move towards the first flange 100, so that the first connecting pipe 210 and the first funnel-shaped sealing ring 220 are squeezed into the inside of the second connecting pipe 410, and the second connecting pipe 410, the funnel-shaped supporting pipe 420 and the second funnel-shaped sealing ring 430 are squeezed into the inside of the connecting groove 120, during the process of connecting the second flange 300 and the first flange 100, the limiting rods 340 can effectively prevent the second flange 300 from deviating from the first flange 100, so that the sealing performance of the connection between the second flange 300 and the first flange 100 is good, thereby being not easy to leak and being beneficial to the use of the flange.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe flange is characterized by comprising

The flange structure comprises a first flange (100), wherein a first through hole (110) is formed in the center of the first flange (100), a connecting groove (120) is formed in the center of one surface of the first flange (100), the connecting groove (120) is communicated with the first through hole (110), and a threaded hole (130) is formed in the peripheral side edge of the first flange (100);

the first sealing assembly (200) comprises a first connecting pipe (210) and a first funnel-shaped sealing ring (220), one end of the first connecting pipe (210) is fixedly connected with the inner wall of one side of the connecting groove (120), the first connecting pipe (210) is communicated with the first through hole (110), the center of the first connecting pipe (210) and the center of the connecting groove (120) are positioned on the same horizontal straight line, one end of the first funnel-shaped sealing ring (220) is fixedly connected with the inner wall of one side of the connecting groove (120), the inner wall of the other end of the first funnel-shaped sealing ring (220) is fixedly connected with the outer wall of the other end of the first connecting pipe (210), and the first funnel-shaped sealing ring (220) is sleeved on the outer side of the first connecting pipe (210);

the edge of the peripheral side of the second flange (300) is rotatably inserted with a locking bolt (310), the locking bolt (310) is arranged corresponding to the threaded hole (130), and a second through hole (320) is formed in the center of the second flange (300);

a second sealing assembly (400), wherein the second sealing assembly (400) includes a second connecting pipe (410), a funnel-shaped supporting pipe (420) and a second funnel-shaped sealing ring (430), one end of the second connecting pipe (410) is connected to one surface of the second flange (300), the second connecting pipe (410) is communicated with the second port (320), the funnel-shaped supporting pipe (420) is fixedly sleeved on the outer side of the second connecting pipe (410), the inner wall of one end of the funnel-shaped supporting pipe (420) is fixedly connected with the outer wall of the other end of the second connecting pipe (410), the second funnel-shaped sealing ring (430) is fixedly sleeved on the outer wall of the funnel-shaped supporting pipe (420), and the second connecting pipe (410), the funnel-shaped supporting pipe (420) and the second funnel-shaped sealing ring (430) are all arranged corresponding to the connecting groove (120), the first connecting pipe (210) and the first funnel-shaped sealing ring (220) are arranged corresponding to the second connecting pipe (410).

2. A pipe flange according to claim 1, wherein a first communication pipe (140) is connected to a side of the first flange (100) away from the connecting groove (120), and the first communication pipe (140) is communicated with the first port (110).

3. A pipe flange according to claim 1, wherein said threaded holes (130) are provided in a plurality, and a plurality of said threaded holes (130) are arranged in a uniform manner.

4. A pipe flange according to claim 3, wherein a plurality of connection holes (150) are formed on the periphery of the first flange (100), and a plurality of connection holes (150) are formed on the periphery of the first flange, and the plurality of connection holes (150) are respectively located on one side of the plurality of threaded holes (130) in a one-to-one correspondence manner.

5. A pipe flange according to claim 1, wherein a first rubber packing (211) is attached to the other end of the first connecting pipe (210).

6. A pipe flange according to claim 1, wherein a second connection pipe (330) is connected to a side of the second flange (300) far from the second connection pipe (410), and the second connection pipe (330) is connected to the second port (320).

7. A pipe flange according to claim 3, wherein a plurality of said locking bolts (310) are rotatably inserted, a plurality of said locking bolts (310) are uniformly arranged, and a plurality of said locking bolts (310) and a plurality of said threaded holes (130) are respectively arranged in a one-to-one correspondence.

8. The pipe flange according to claim 4, wherein a plurality of limiting rods (340) are connected to one surface of the second flange (300), the plurality of limiting rods (340) are arranged on one side of the plurality of locking bolts (310), the plurality of limiting rods (340) are respectively arranged on one side of the plurality of locking bolts (310) in a one-to-one correspondence manner, one ends of the plurality of limiting rods (340) respectively penetrate through the plurality of connecting holes (150) in a one-to-one correspondence manner, and length scale marks (341) are arranged on rod bodies of the plurality of limiting rods (340).

9. A pipe flange according to claim 1, characterised in that the other end of the funnel-shaped support pipe (420) is fixedly connected to a face of the second flange (300).

10. A pipe flange according to claim 1, characterised in that the inner wall of the second funnel-shaped sealing ring (430) is fixedly connected to the outer wall of the funnel-shaped support tube (420).