CN221323643U

CN221323643U - Pipeline connecting flange

Info

Publication number: CN221323643U
Application number: CN202323439344.6U
Authority: CN
Inventors: 杨健东
Original assignee: Linyi Luyu Machinery Co ltd
Current assignee: Linyi Luyu Machinery Co ltd
Filing date: 2023-12-18
Publication date: 2024-07-12
Anticipated expiration: 2033-12-18

Abstract

The utility model provides a pipeline connecting flange, which relates to the technical field of flanges and comprises a first connecting pipe and a second connecting pipe, wherein one ends of the first connecting pipe and the second connecting pipe are respectively sleeved with and fixed with the first flange and the second flange, and arc-shaped grooves are symmetrically formed in one side wall of the second flange. According to the utility model, the first flange and the second flange are attached to each other, so that the effect of mutually attaching two T-shaped sealing ring gaskets can be achieved, at the moment, the L-shaped sliding plate can be embedded into the arc-shaped groove, at the moment, the first flange is rotated to drive the L-shaped arc plate to be embedded into the L-shaped arc-shaped groove, the effect of mutually attaching the two first flanges and the second flange can be achieved, at the moment, the screw rod is rotated to pass through the round hole and the screw cap is sleeved at the other end, the effect of fixing the flanges can be achieved, and when the screw cap loosens, the effect of preventing gaps from occurring between the first flange and the second flange can be achieved, so that the effect of preventing leakage of liquid or fuel gas in a pipeline can be achieved.

Description

Pipeline connecting flange

Technical Field

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

Background

The flange connection is a detachable joint which is used for fixing two pipelines, pipe fittings or devices on one flange plate, then adding a flange pad between the two flange plates, and finally tightening the two flange plates by bolts to tightly combine the two flange plates.

The existing pipeline connecting flange is easy to loosen after being used for a long time, so that the flange gasket is not tight, liquid or gas in the pipeline is easy to leak, and the using effect is poor.

Disclosure of utility model

The utility model aims to solve the problem that in the prior art, after a pipeline connecting flange is used for a long time, nuts on the flange are easy to loosen, so that a flange gasket is not tightly pressed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pipeline connecting flange, includes first connecting pipe and second connecting pipe, first flange and second flange are established and are fixed with to the one end of first connecting pipe and second connecting pipe cover respectively, arc type groove has all been seted up to a lateral wall of second flange symmetry, L type arc groove has all been seted up to a lateral wall of second flange, the one end in arc type groove communicates with one end in L type arc groove each other, a lateral wall symmetry of first flange is fixed with L type arc board.

Preferably, a side wall of the first flange and a side wall of the second flange are respectively provided with a T-shaped annular groove, and T-shaped sealing ring gaskets are embedded and fixed in the T-shaped annular grooves.

Preferably, the L-shaped arc plate is matched with the arc-shaped groove and the L-shaped arc groove.

Preferably, circular holes are symmetrically formed in one side wall of the first flange and one side wall of the second flange, and screw rods are embedded and slide in the circular holes.

Preferably, a round block is fixed at one end of the screw rod, and cross grooves are formed in the surfaces of the round blocks.

Compared with the prior art, the utility model has the advantages and positive effects that,

According to the utility model, the first flange and the second flange are attached to each other, so that the effect of mutually attaching two T-shaped sealing ring gaskets can be achieved, at the moment, the L-shaped sliding plate can be embedded into the arc-shaped groove, at the moment, the first flange is rotated to drive the L-shaped arc plate to be embedded into the L-shaped arc-shaped groove, the effect of mutually attaching the two first flanges and the second flange can be achieved, at the moment, the screw rod is rotated to pass through the round hole and the screw cap is sleeved at the other end, the effect of fixing the flanges can be achieved, and when the screw cap loosens, the effect of preventing gaps from occurring between the first flange and the second flange can be achieved, so that the effect of preventing leakage of liquid or fuel gas in a pipeline can be achieved.

Drawings

FIG. 1 is a perspective view showing the overall structure of a pipe connecting flange according to the present utility model;

FIG. 2 is a cross-sectional view showing the overall structure of a pipe connecting flange according to the present utility model;

FIG. 3 is a vertical cross-sectional view of the whole structure of a pipe connecting flange according to the present utility model;

FIG. 4 is a cross-sectional view of a second flange structure of a pipe connection flange according to the present utility model;

fig. 5 is a cross-sectional view of a first flange structure of a pipe connection flange according to the present utility model.

Legend description: 1. a first connection pipe; 2. a second connection pipe; 3. a first flange; 4. a second flange; 5. a T-shaped ring groove; 6. a T-shaped sealing ring pad; 7. an arc-shaped groove; 8. an L-shaped arc groove; 9. an L-shaped arc plate; 10. a round hole; 11. a screw; 12. round blocks; 13. cross grooves.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-5, the utility model provides a pipeline connecting flange, which comprises a first connecting pipe 1 and a second connecting pipe 2, wherein one ends of the first connecting pipe 1 and the second connecting pipe 2 are respectively sleeved with and fixed with a first flange 3 and a second flange 4, one side wall of the second flange 4 is symmetrically provided with an arc-shaped groove 7, one side wall of the second flange 4 is symmetrically provided with an L-shaped arc groove 8, one end of the arc-shaped groove 7 is mutually communicated with one end of the L-shaped arc groove 8, and one side wall of the first flange 3 is symmetrically fixed with an L-shaped arc plate 9.

The effect that its whole embodiment 1 reaches is, establish and be fixed with first flange 3 and second flange 4 through the one end of first connecting pipe 1 and second connecting pipe 2 respectively, can play the effect that makes between first connecting pipe 1 and the second connecting pipe 2 communicate each other with second flange 4 mutually, arc type groove 7 has all been seted up to the side wall through second flange 4 symmetry, L type arc groove 8 has all been seted up to the side wall of second flange 4, the one end in arc type groove 7 communicates each other with the one end in L type arc groove 8, the side wall symmetry of first flange 3 is fixed with L type arc plate 9, can play and make L type arc plate 9 imbed arc type groove 7, at this moment, the inside L type arc plate 9 of rethread first flange 3 messenger arc type groove 7 moves to the inside effect of L type arc groove 8, and then can make the effect that first flange 3 and second flange 4 hug each other.

In the embodiment 2, as shown in fig. 1-5, a T-shaped ring groove 5 is formed on one side wall of each of the first flange 3 and the second flange 4, and a T-shaped sealing ring pad 6 is embedded and fixed in each of the T-shaped ring grooves 5; the L-shaped arc plate 9 is matched with the arc groove 7 and the L-shaped arc groove 8; round holes 10 are symmetrically formed in one side wall of the first flange 3 and one side wall of the second flange 4, and screw rods 11 are embedded and slide in the round holes 10; a round block 12 is fixed at one end of the screw 11, and cross grooves 13 are formed in the surfaces of the round blocks 12.

The whole embodiment 2 has the advantages that the T-shaped annular grooves 5 are formed in one side wall of the first flange 3 and one side wall of the second flange 4, the T-shaped sealing ring gaskets 6 are embedded and fixed in the T-shaped annular grooves 5, and the T-shaped sealing ring gaskets 6 in the T-shaped annular grooves 5 can be tightly adhered and sealed; the L-shaped arc plate 9 is matched with the arc-shaped groove 7 and the L-shaped arc groove 8, so that the L-shaped arc plate 9 can slide in the arc-shaped groove 7 and the L-shaped arc groove 8; circular holes 10 are symmetrically formed in one side wall of the first flange 3 and one side wall of the second flange 4, and screw rods 11 are embedded and slide in the circular holes 10, so that the screw rods 11 penetrate through the circular holes 10, and the first flange 3 and the second flange 4 are fixed through nuts; the round block 12 is fixed at one end of the screw 11, and the cross grooves 13 are formed in the surfaces of the round blocks 12, so that the effect of fixing one end of the screw 11 can be achieved.

Working principle: through pasting first flange 3 and second flange 4 mutually, can play and make two T type sealing ring pads 6 hug closely each other, at this moment L type arc board 9 can imbed inside arc groove 7, at this moment rethread rotates first flange 3 and drives L type arc board 9 embedding L type arc inslot 8, can play the effect that makes two first flanges 3 and second flange 4 hug closely each other, at this moment again rotate screw rod 11 and pass round hole 10 and make the nut cover at the other end, can play the effect of fixing first flange 3 and second flange 4, through L type arc board 9 embedding L type arc inslot 8 when the nut appears not hard up, can prevent the effect that the gap appears between first flange 3 and the second flange 4, thereby can reach the effect that prevents that the inside liquid of pipeline or gas from revealing.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Pipeline connecting flange, including first connecting pipe (1) and second connecting pipe (2), its characterized in that: the one end of first connecting pipe (1) and second connecting pipe (2) is overlapped respectively and is established and is fixed with first flange (3) and second flange (4), arc type groove (7) have all been seted up to a lateral wall of second flange (4), L type arc groove (8) have all been seted up to a lateral wall of second flange (4), the one end in arc type groove (7) communicates each other with the one end in L type arc groove (8), a lateral wall symmetry of first flange (3) is fixed with L type arc board (9).

2. A pipe coupling flange according to claim 1, wherein: t-shaped ring grooves (5) are formed in one side wall of the first flange (3) and one side wall of the second flange (4), and T-shaped sealing ring gaskets (6) are embedded and fixed in the T-shaped ring grooves (5).

3. A pipe coupling flange according to claim 1, wherein: the L-shaped arc plate (9) is matched with the arc-shaped groove (7) and the L-shaped arc groove (8).

4. A pipe coupling flange according to claim 1, wherein: round holes (10) are symmetrically formed in one side wall of the first flange (3) and one side wall of the second flange (4), and screw rods (11) are embedded and slide in the round holes (10).

5. A pipe coupling flange according to claim 4, wherein: one end of the screw rod (11) is fixed with a round block (12), and cross grooves (13) are formed in the surfaces of the round blocks (12).