CN221348290U - Pipe fitting joint connecting piece for valve - Google Patents

Abstract

The utility model belongs to the technical field of pipe fittings and discloses a pipe fitting joint connecting piece for a valve. When the valve is connected with the pipeline, the insertion pipe at one end can be inserted into the pipeline, the extrusion pad can be tightly attached to the inner wall of the pipeline by extrusion, the sealing performance can be effectively improved, and leakage is reduced, wherein when the extrusion pad is sleeved outside the insertion pipe, the annular convex strips can be embedded into the annular grooves, so that the stability of the extrusion pad after being sleeved can be ensured, the extrusion pad is not easy to shift along with the insertion of the insertion pipe, and the accuracy of the extrusion sealing position is further ensured.

Description

Pipe fitting joint connecting piece for valve

Technical Field

The utility model belongs to the technical field of pipe fittings and particularly relates to a pipe fitting joint connector for a valve.

Background

The valve is an important accessory in a pipeline system, and the valve can be connected and installed with a pipeline through a pipe fitting joint.

When the valve is connected with a pipeline by the existing pipe fitting joint, the valve is connected in a flange connection mode, sealing is achieved by arranging gaskets or gaskets between the flanges, leakage is easy to occur between the two flanges after a long time or a fastened bolt is loosened, normal control of the valve is affected, and on the basis, the pipe fitting joint connecting piece used by the valve is very important to improve the sealing performance of the connecting part.

Disclosure of utility model

The utility model aims to provide a pipe fitting joint connecting piece for a valve, which solves the problems that the prior flange is long in connecting time or the tight bolt loosens, leakage is easy to occur between two flanges and the tightness is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipe fitting joint connecting piece that valve used, includes the connecting pipe body, the both ends of connecting pipe body all are fixed with the flange, the flange deviates from the one end of connecting pipe body and is fixed with the insert tube, the diameter of insert tube does not exceed the diameter of connecting pipe body, just the cover is equipped with on the outer circumference of insert tube and extrudes the pad, be equipped with limit structure between crowded pad and the insert tube.

Preferably, the limiting structure includes:

The annular groove is formed in the inner circumference of the extrusion pad;

the annular raised strips are fixed on the outer circumference of the insertion tube and are anastomosed with the annular grooves.

Preferably, both sides of the outer wall of the extrusion pad are uniformly and integrally formed into an embedded inclined plane.

Preferably, the insert tube is externally provided with a gasket in a fitting manner, an insert is fixed on one surface of the gasket, which faces the flange, and an insert groove is formed in one surface of the flange, which faces the gasket.

Preferably, a plurality of fasteners are also arranged on the flange in a penetrating way, and the fasteners can penetrate through the gasket.

Preferably, the fastener comprises a screw passing through the flange and a nut screwed to the outside of the screw.

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the valve is connected with the pipeline, the insertion pipe at one end can be inserted into the pipeline, the extrusion pad can be tightly attached to the inner wall of the pipeline by extrusion, the sealing performance can be effectively improved, and leakage is reduced, wherein when the extrusion pad is sleeved outside the insertion pipe, the annular convex strips can be embedded into the annular grooves, so that the stability of the extrusion pad after being sleeved can be ensured, the extrusion pad is not easy to shift along with the insertion of the insertion pipe, and the accuracy of the extrusion sealing position is further ensured.

(2) When the gasket is installed, the embedded blocks can be embedded into the embedded grooves, so that the gasket position is stable, displacement is not easy to occur, the direct alignment of the flange and the perforation on the gasket is facilitated when the screw is penetrated, the gasket position is not required to be manually adjusted, and the gasket is more convenient and faster to fasten.

Drawings

FIG. 1 is an external view of the present utility model;

FIG. 2 is a cross-sectional view of a connection tube body and an insertion tube of the present utility model;

FIG. 3 is a cross-sectional view of a squeeze pad of the present utility model;

Fig. 4 is an enlarged view of a portion a in fig. 2;

In the figure: 1. a connection pipe body; 2. a flange; 3. an insertion tube; 4. pad extrusion; 5. a screw; 6. a nut; 7. a gasket; 8. an embedding inclined plane; 9. annular raised strips; 10. an annular groove; 11. a caulking groove; 12. an insert.

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.

The external view of the utility model in fig. 1 is combined with the external view of fig. 2, the pipe fitting joint connector for the valve comprises a connecting pipe body 1, flanges 2 are fixed at two ends of the connecting pipe body 1, an inserting pipe 3 is fixed at one end of the flange 2, which is away from the connecting pipe body 1, the flange 2 is preferably welded between the connecting pipe body 1 and the inserting pipe 3, the diameter of the inserting pipe 3 does not exceed the diameter of the connecting pipe body 1, an extruding pad 4 is sleeved on the outer circumference of the inserting pipe 3, the extruding pad 4 has certain elasticity and can be extruded and deformed, a limiting structure is arranged between the extruding pad 4 and the inserting pipe 3, and two sides of the outer wall of the extruding pad 4 are uniformly formed into an embedding inclined plane 8.

Next, referring to fig. 1-2, a plurality of fasteners are further provided on the flange 2, and the fasteners may penetrate through the spacer 7, where the fasteners include a screw 5 and a nut 6, the screw 5 penetrates through the flange 2, and the nut 6 is screwed to the outside of the screw 5.

When the valve and the pipeline are connected by using the joint connector, the insertion pipe 3 at one end can be inserted into the pipeline to be connected, after the insertion pipe 3 is inserted, the extrusion pad 4 is extruded to be tightly attached to the inner wall of the pipeline, so that the tightness is ensured, the leakage is reduced, then the flange 2 on the connecting pipe body 1 at one end is connected with the flange at the end part of the pipeline, and then the valve is connected with the other end of the joint connector in the same way.

When two flanges 2 are specifically connected, a screw 5 is inserted through the two flanges 2, and then the screw 5 is screwed to the screw 6 by using a nut 6 to fasten.

In one embodiment of the present utility model, referring to fig. 2 to 3, the limiting structure includes:

The annular groove 10 is formed in the inner circumference of the extrusion pad 4;

the annular protruding strip 9, the annular protruding strip 9 is fixed on the outer circumference of the insertion tube 3, and the annular protruding strip 9 is fit with the annular groove 10.

Through the above, when the insert tube 3 is externally sleeved with the extrusion pad 4, the annular raised strips 9 can be embedded into the annular grooves 10, so that the stability of the extrusion pad 4 after being sleeved is ensured, the displacement is not easy to occur along with the insertion of the insert tube 3, and the accuracy of the extrusion sealing position is ensured.

In addition, referring to fig. 1-2 and 4, a gasket 7 is provided outside the insertion tube 3 and attached to the flange 2, an insert 12 is fixed to one surface of the gasket 7 facing the flange 2, and an insert groove 11 is provided on one surface of the flange 2 facing the gasket 7.

The compactness of connection can be improved in the setting of above-mentioned gasket 7, wherein, when installing gasket 7, can make the abaculus 12 imbed in caulking groove 11, and then guarantee the accuracy in gasket 7 position, be difficult for taking place to shift, and when wearing to establish screw 5, do benefit to the direct alignment of perforation on flange 2 and the gasket 7, need not the staff and just adjust gasket 7 position by one hand, wear to establish of screw 5 by one hand, fastening convenient and fast more.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A pipe fitting joint connecting piece for a valve, characterized in that: including connecting the body (1), the both ends of connecting the body (1) all are fixed with flange (2), the one end that the flange (2) deviates from connecting the body (1) is fixed with insert tube (3), the diameter of insert tube (3) does not exceed the diameter of connecting the body (1), just the cover is equipped with on the outer circumference of insert tube (3) and crowds pad (4), be equipped with limit structure between crowded pad (4) and insert tube (3).

2. A pipe joint connection for a valve as defined in claim 1, wherein: the limit structure comprises:

The annular groove (10) is formed in the inner circumference of the extrusion pad (4);

The annular raised strips (9), the annular raised strips (9) are fixed on the outer circumference of the insertion tube (3), and the annular raised strips (9) are matched with the annular grooves (10).

3. A pipe joint connection for a valve as defined in claim 1, wherein: both sides of the outer wall of the extrusion pad (4) are integrally formed into an embedded inclined plane (8).

4. A pipe joint connection for a valve as defined in claim 1, wherein: the insertion pipe (3) is externally provided with a gasket (7) in a fitting manner on the flange (2), an embedded block (12) is fixed on one surface of the gasket (7) facing the flange (2), and an embedded groove (11) is formed in one surface of the flange (2) facing the gasket (7).

5. A pipe joint connection for a valve as defined in claim 4, wherein: a plurality of fasteners are further arranged on the flange (2) in a penetrating mode, and the fasteners can penetrate through the gasket (7).

6. A pipe joint connection for a valve as defined in claim 5, wherein: the fastener comprises a screw (5) and a nut (6), wherein the screw (5) penetrates through the flange (2), and the nut (6) is screwed and connected to the outside of the screw (5).