CN219994675U - Forging flange with good sealing performance - Google Patents

Abstract

The utility model is suitable for the technical field of flanges, and provides a forged flange with good sealing performance, which comprises a flange body, wherein the flange body is divided into a flange plate and a convex plate, the flange plate and the convex plate are welded and are positioned in the middle of the front end of the flange plate, a through cavity is formed in the middle of the flange body, and a clamping device is arranged in the through cavity.

Description

Forging flange with good sealing performance

Technical Field

The utility model relates to the technical field of flanges, in particular to a forged flange with good sealing performance.

Background

The forged flange is one of the flange products with best mechanical performance, and its raw material is generally pipe blank, and after cutting, continuous beating is carried out to eliminate the defects of segregation, loosening, etc. in steel ingot, and the price and mechanical performance are one grade higher than those of common cast flange. The flange is a part for connecting the pipe, the pipe and the valve with each other and is connected with the pipe end; also useful are flanges for the ports of the equipment, the connection between the two pieces of equipment being the parts that interconnect the pipes, and the pipe ends, being an accessory product of the pipe. The forging flange is mainly made of carbon steel, alloy steel and stainless steel, is mainly subjected to oil coating and zinc coating, has better pressure resistance and temperature resistance, and is generally suitable for a high-pressure high-temperature working environment.

The flange is the product that uses in pairs, uses the flange to link up pipeline or axle and need use the flange gasket, and the flange gasket has certain thickness, has certain space in the middle of making behind the flange connection, to the pipeline connection that needs high leakproofness, causes the pipeline internal pressure unbalance easily, and has the clearance between the logical chamber of flange and the pipeline also, makes the leakproofness of flange reduce.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a forged flange with good tightness for the gap between an adjustable flange and a pipeline.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a forging flange that leakproofness is good, includes the flange body, the flange body divide into ring flange and flange, ring flange and flange welding form and the flange is located the flange front end in the middle of, the cavity of leading to has been seted up in the middle of the flange body is positive, it has clamping device to lead to the intracavity portion.

The utility model is further provided with: be equipped with a plurality of around the axle equidistance on the ring flange and arrange and run through the mounting hole, the mounting hole all is located the boss outside, all placed the bolt in the mounting hole, the bolt other end is connected with the flange body, the bolt passes through the nut and connects two flange bodies.

The utility model is further provided with: be equipped with a plurality of antifriction grooves on the ring flange, the antifriction groove is the circular groove, the more close logical chamber diameter in antifriction groove is littleer, clearance between the antifriction groove equals, both ends inner wall is equipped with connecting hole and standing groove about the boss, the standing groove is the arc wall.

The utility model is further provided with: the clamping device comprises a spring, a first clamp and a second clamp, the bottom of the connecting hole is fixedly connected with the spring, the other end of the spring is respectively connected with the first clamp and the second clamp, the upper end and the lower end of the first clamp are respectively provided with a fixed block, the upper end and the lower end of the second clamp are respectively provided with a fixed groove corresponding to the fixed block, and the first clamp and the second clamp are placed in the placing groove when not popped up.

The utility model is further provided with: the flange body is kept away from the one end of bulge dish and is equipped with the mounting groove, the mounting groove is the circular slot, two corresponding the flange body passes through flange gasket connection, the degree of depth of mounting groove is the half of flange gasket width, the size of mounting groove is the difference of flange gasket external diameter and internal diameter.

The utility model has the advantages that:

1. the flange is equipped with the mounting groove with the junction surface of flange, puts into the logical intracavity of flange with pipeline or axle head portion that needs to connect respectively, puts into the mounting groove with the flange gasket, aligns the mounting hole on two flanges, inserts the bolt, and the other end uses the nut to fix it, because the mounting groove degree of depth is half of flange gasket width, two flanges just cover the flange gasket together, have got rid of the clearance between the flange, have guaranteed the leakproofness of flange and pipeline.

2. This flange internally mounted has clamping device, adds and holds the device and include the spring, anchor clamps one and anchor clamps two, and both ends all are equipped with connecting hole and standing groove about the logical intracavity wall of flange, and connecting hole internal fixation has the spring, and anchor clamps one and anchor clamps two are connected respectively to the spring other end, and anchor clamps one and anchor clamps two are connected with the fixed slot through the fixed block, and the pipeline diameter that needs to be connected is less than logical chamber diameter, with the tensile connection of both ends anchor clamps, can fix the pipeline and prevent that it from rocking and improved the leakproofness of flange.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a block diagram of a flange body according to the present utility model;

in the figure: 1. a flange body; 2. a flange plate; 21. a mounting hole; 22. a bolt; 23. a nut; 3. a cam; 31. an anti-wear groove; 32. a connection hole; 33. a spring; 4. a flange gasket; 5. a placement groove; 51. a first clamp; 52. a second clamp; 53. a fixed block; 54. a fixing groove; 6. a cavity is communicated; 7. and a mounting groove.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Example 1

Referring to fig. 1-4, the present utility model provides the following technical solutions:

the forging flange with good sealing performance comprises a flange body 1, wherein the flange body 1 is divided into a flange plate 2 and a convex plate 3, the flange plate 2 and the convex plate 3 are welded, the convex plate 3 is positioned in the middle of the front end of the flange plate 2, a through cavity 6 is formed in the middle of the flange body 1, and a clamping device is arranged in the through cavity 6. The flange is used in pairs, a plurality of mounting holes 21 which are arranged around the shaft at equal intervals and penetrate through the flange plate 2 are formed in the flange plate 2, the mounting holes 21 are all located on the outer side of the convex plate 3, bolts 22 are placed in the mounting holes 21, the other ends of the bolts 22 are connected with the flange bodies 1, the bolts 22 are connected with the two flange bodies 1 through nuts 23, pipelines or shaft ends to be connected are respectively placed into the through cavities 6 of the flange, the mounting holes 21 on the two flanges are aligned, the bolts 22 are inserted, the other ends of the pipelines or shaft ends are fixed by the nuts 23, and connection between the pipelines is completed. Be equipped with a plurality of antifriction slots 31 on the ring flange 2, antifriction slot 31 is the circular channel, and the antifriction slot 31 is close to the logical chamber 6 diameter more less, and the clearance between the antifriction slot 31 equals, and antifriction slot 31 can prevent that the flange from receiving the damage after installing and leading to connecting unstable, and both ends inner wall is equipped with connecting hole 32 and standing groove 5 about the flange 3, and standing groove 5 is the arc wall. The clamping device comprises a spring 33, a first clamp 51 and a second clamp 52, the spring 33 is fixedly connected to the bottom of the connecting hole 32, the other end of the spring 33 is respectively connected with the first clamp 51 and the second clamp 52, the first clamp 51 and the second clamp 52 are made of bendable materials, fixing blocks 53 are arranged at the upper end and the lower end of the first clamp 51, fixing grooves 54 corresponding to the fixing blocks 53 are formed in the upper end and the lower end of the second clamp 52, the first clamp 51 and the second clamp 52 are placed in the placing groove 5 when not popped up, when the diameter of a pipeline to be connected is smaller than the diameter of the through cavity 6, the clamps at the two ends are stretched, the pipeline can be fixed through the fixing blocks 53 and the fixing grooves 54, shaking of the pipeline can be prevented, and the sealing performance of the flange is improved. The flange body 1 is kept away from the one end of bulge 3 and is equipped with mounting groove 7, mounting groove 7 is the circular slot, and two corresponding flange bodies 1 are connected through flange gasket 4, and the degree of depth of mounting groove 7 is the half of flange gasket 4 width, and the size of mounting groove 7 is the difference between flange gasket 4 external diameter and internal diameter, when connecting two flanges, put into mounting groove 7 with flange gasket 4, because mounting groove 7 degree of depth is the half of flange gasket 4 width, two flanges just cover flange gasket 4 together, have got rid of the clearance between the flange, have guaranteed the leakproofness of flange and pipeline.

The working principle of the forging flange with good sealing performance provided by the utility model is as follows: the ends of two pipelines or shafts to be connected are placed in the through cavity 6 of the flange, when the diameter of the pipelines or shafts is smaller than that of the through cavity 6, the clamp I51 and the clamp II 52 are taken out, the camber of the two pipelines or shafts is adjusted, the fixing block 53 is inserted into the fixing groove 54, the clamp I51 and the clamp II 52 are attached to the surface of the pipelines or shafts, the pipelines or shafts are fixed to prevent the pipelines or shafts from shaking, the stability and the tightness of flange connection are improved, the flange gasket 4 is placed in the mounting groove 7, the two flanges are combined together, the mounting holes 21 are aligned, the flange gasket 4 is embedded in the mounting groove 7, the gap between the flanges is improved, the bolts 22 are inserted into the mounting holes 21, and the nuts 23 are screwed on the other ends to finish the flange connection.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The forging flange that leakproofness is good, its characterized in that: including flange body (1), flange body (1) divide into ring flange (2) and bulge (3), ring flange (2) and bulge (3) welding form and bulge (3) are located in the middle of ring flange (2) front end, logical chamber (6) have been seted up in the middle of flange body (1), logical chamber (6) internally mounted has clamping device.

2. A well-sealed wrought flange according to claim 1, wherein: be equipped with a plurality of around axle equidistance range and mounting hole (21) that run through on ring flange (2), mounting hole (21) all are located the boss (3) outside, bolt (22) have all been placed in mounting hole (21), the bolt (22) other end is connected with flange body (1), two flange bodies (1) are connected through nut (23) to bolt (22).

3. A well-sealed forged flange according to claim 2, characterized in that: be equipped with a plurality of antifriction grooves (31) on ring flange (2), antifriction groove (31) are the circular groove, the more be close to the antifriction groove (31) and lead to chamber (6) diameter littleer, clearance between antifriction groove (31) equals, both ends inner wall is equipped with connecting hole (32) and standing groove (5) about flange (3), standing groove (5) are the arc groove.

4. A well-sealed wrought flange according to claim 3, wherein: the clamping device comprises a spring (33), a first clamp (51) and a second clamp (52), the bottom of the connecting hole (32) is fixedly connected with the spring (33), the other end of the spring (33) is respectively connected with the first clamp (51) and the second clamp (52), fixing blocks (53) are arranged at the upper end and the lower end of the first clamp (51), fixing grooves (54) corresponding to the fixing blocks (53) are formed in the upper end and the lower end of the second clamp (52), and the first clamp (51) and the second clamp (52) are placed in the placing groove (5) when not ejected.

5. A well-sealed wrought flange according to claim 1, wherein: the flange body (1) is kept away from one end of bulge (3) and is equipped with mounting groove (7), mounting groove (7) are circular groove, and two corresponding flange body (1) are connected through flange gasket (4), the degree of depth of mounting groove (7) is half of flange gasket (4) width, the size of mounting groove (7) is the difference of flange gasket (4) external diameter and internal diameter.