CN221121328U - Positioning flange - Google Patents

Abstract

The utility model discloses a positioning flange, which comprises a body, wherein a through hole is formed in the body, a first connecting surface and a second connecting surface are arranged on the body, a welding groove is formed in the second connecting surface, anti-slip openings which are arranged in an annular array are formed in the inner wall of the welding groove, a sealing convex part is arranged on the first connecting surface, and a positioning groove is formed in one side of the sealing convex part.

Description

Positioning flange

Technical Field

The utility model relates to the technical field of flanges, in particular to a positioning flange.

Background

Flanges are also called flanges or flanges, parts for connecting pipes with each other are most commonly used in pipeline engineering, the flanges are mainly used for connecting pipelines in pipeline engineering, a flange plate is respectively installed at the end of two pipelines to be connected, the flanges are usually connected and fixed with the pipelines in a welding mode, the condition that welding of the connecting ends is unstable exists, and the flanges cannot be stably positioned on the pipelines during welding, so that the welding operation is difficult and labor is very consumed.

Disclosure of utility model

The utility model aims to provide a positioning flange, which solves the problem that the positioning of the existing flange is unstable when the flange is welded with a pipeline, and simultaneously enhances the welding strength of the pipeline and the flange.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locating type flange, includes the body, the through-hole has been seted up on the body, be provided with first junction surface and second junction surface on the body, the welding groove has been seted up on the second junction surface, the antiskid opening that is the annular array setting has been seted up on the welding groove inner wall, be provided with sealed convex part on the first junction surface, the constant head tank has been seted up to sealed convex part one side.

Preferably, a conical surface is arranged on one side, close to the through hole, of the welding groove.

Preferably, the anti-slip opening is opened in a conical shape and is arranged in a gradually shrinking state towards the first connecting surface.

Preferably, a welding surface is arranged on one side of the anti-slip opening, and the welding inclined surface extends from one end of the anti-slip opening to the second connecting surface and is in a gradually expanding state.

Preferably, four fixing grooves are formed in the positioning groove, and the interval distances between the four fixing grooves are equal.

Preferably, the sealing convex part is provided with a first sealing groove and a second sealing groove, and the first sealing groove and the second sealing groove are arranged in a semi-arc shape.

Preferably, a sealing inclined plane is formed on one side of the first sealing groove.

Compared with the prior art, the utility model has the beneficial effects that: can improve the stability when connecting through the welding groove, the flange utilizes annular array's anti-skidding opening and pipeline to form stable chucking, avoids flange and pipeline to produce the slip, sets up sealed convex part and strengthened the sealed effect when first junction surface and other flange joint, can stabilize the joint together when first junction surface passes through the constant head tank and other flange joint, can improve the stability of sealing washer to improve the leakproofness.

Drawings

FIG. 1 is a schematic view of a first connecting surface according to the present utility model;

FIG. 2 is a schematic structural view of a second connecting surface according to the present utility model;

Fig. 3 is a cross-sectional view of the present utility model.

In the figure: 1. a body; 2. a through hole; 3. a first connection surface; 4. a second connection surface; 5. a welding groove; 6. an anti-slip opening; 7. a sealing protrusion; 8. a positioning groove; 9. a conical surface; 10. a welding surface; 11. a fixing groove; 12. a first seal groove; 13. a second seal groove; 14. sealing inclined plane.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1 to 3: the utility model provides a locate mode flange, includes body 1, through-hole 2 has been seted up on the body 1, be provided with first junction surface 3 and second junction surface 4 (structure as an organic whole) on the body 1, welding groove 5 has been seted up on the second junction surface 4, the anti-skidding opening 6 that is annular array setting has been seted up on the welding groove 5 inner wall, be provided with sealed convex part 7 (structure as an organic whole, be annular shape setting) on the first junction surface 3, constant head tank 8 has been seted up to sealed convex part 7 one side, can improve the stability when connecting through welding groove 5, and flange utilizes annular array's anti-skidding opening 6 and pipeline to form stable chucking, avoids flange and pipeline to produce the slip, and sealed effect when sealing convex part 7 has strengthened first junction surface 3 and other flange joint is in the same place through the constant head tank 8 can be stabilized the joint when other flange joint to first junction surface 3 to improve the leakproofness.

As shown in fig. 2, the side of the welding groove 5, which is close to the through hole 2, is provided with a conical surface 9, when the flange is connected with a pipeline, the connecting surface between the welding groove 5 and the pipeline is gradually reduced through the conical surface 9, so that the flange can be stably arranged on the pipeline, and the shaking of the flange is greatly reduced.

As shown in fig. 3, the anti-slip opening 6 is formed in a conical shape and is gradually reduced towards the first connecting surface 3, the friction force between the anti-slip opening 6 and the outer wall of the pipeline can be increased, and meanwhile, the welding surface 10 between the anti-slip opening 6 and the pipeline can be increased during welding, so that the stability of the welded flange is improved.

As shown in fig. 3, a welding surface 10 is provided on one side of the anti-slip opening 6, and the welding bevel extends from one end of the anti-slip opening 6 to the second connecting surface 4 and is in a gradually expanding state, so that the welding trace is prevented from being exposed, and meanwhile, the welding operation is more convenient for the design of the bevel state, and the welding efficiency is improved.

As shown in figure 1, four fixing grooves 11 are formed in the positioning groove 8, the four fixing grooves 11 are equal in interval distance, so that the fixing grooves are convenient to form limit clamping with other flanges, the flanges can be prevented from rotating axially, and the positioning function is achieved.

As shown in fig. 1, the sealing convex portion 7 is provided with a first sealing groove 12 and a second sealing groove 13 (used for embedding a sealing ring), the first sealing groove 12 and the second sealing groove 13 are arranged in a semi-arc shape, so that the tightness during flange connection is improved, and leakage is prevented after the flange connection.

As shown in figure 3, a sealing inclined plane is formed on one side of the first sealing groove, so that the first sealing groove and the second sealing groove are prevented from being exposed during connection, and the sealing effect during connection is improved.

In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.

Claims (7)

1. The utility model provides a locate mode flange, includes body (1), through-hole (2) have been seted up on body (1), its characterized in that: be provided with first junction surface (3) and second junction surface (4) on body (1), welding groove (5) have been seted up on second junction surface (4), set up on welding groove (5) inner wall and be anti-skidding opening (6) that the annular array set up, be provided with sealed convex part (7) on first junction surface (3), constant head tank (8) have been seted up to sealed convex part (7) one side.

2. A locating flange according to claim 1, wherein: one side of the welding groove (5) close to the through hole (2) is provided with a conical surface (9).

3. A locating flange according to claim 1, wherein: the anti-slip opening (6) is arranged in a conical shape and is arranged in a gradually shrinking state towards the first connecting surface (3).

4. A locating flange according to claim 3 wherein: the welding surface (10) is arranged on one side of the anti-slip opening (6), and the welding inclined surface extends from one end of the anti-slip opening (6) to the second connecting surface (4) and is in a gradually expanding state.

5. A locating flange according to claim 1, wherein: four fixing grooves (11) are formed in the positioning groove (8), and the interval distances between the four fixing grooves (11) are equal.

6. A locating flange according to claim 1, wherein: the sealing convex part (7) is provided with a first sealing groove (12) and a second sealing groove (13), and the first sealing groove (12) and the second sealing groove (13) are arranged in a semi-arc shape.

7. A locating flange according to claim 6 wherein: a sealing inclined plane (14) is formed on one side of the first sealing groove (12).