阅读说明：本技术 一种油气回收阀门 (Oil gas recovery valve ) 是由 金涛 刘鹏 司剑 于 2018-05-30 设计创作，主要内容包括：本发明公开了一种油气回收阀门,阀体左侧设置有连接管,所述连接管包括圆管形的一级连接管和二级连接管,一级连接管的右端与阀体左侧连接,一级连接管的外径小于二级连接管的外径,一级连接管的左端与圆管形的一级弹性钢管的右端连接,二级连接管的左端与圆管形的二级弹性钢管的右端连接,二级弹性钢管套设在一级连接管的右部外,一级弹性钢管和二级弹性钢管的左端均设置有至少两个沿周向均匀分布的横向的三角形的开口,一级连接管和二级连接管的外部分别套设有固定环,所述固定环分别包括通过合页连接的两个半圆环,两个半圆环的端部分别与连接平板连接,其方便与管路进行连接,且方便与不同口径的管路进行连接,其连接结构牢固性好。(The invention discloses an oil gas recovery valve, wherein the left side of a valve body is provided with a connecting pipe, the connecting pipe comprises a first-stage connecting pipe and a second-stage connecting pipe which are in a circular pipe shape, the right end of the first-stage connecting pipe is connected with the left side of the valve body, the outer diameter of the first-stage connecting pipe is smaller than that of the second-stage connecting pipe, the left end of the first-stage connecting pipe is connected with the right end of a first-stage elastic steel pipe in a circular pipe shape, the left end of the second-stage connecting pipe is connected with the right end of a second-stage elastic steel pipe in a circular pipe shape, the second-stage elastic steel pipe is sleeved outside the right part of the first-stage connecting pipe, the left ends of the first-stage elastic steel pipe and the second-stage elastic steel pipe are respectively provided with at least two, the connecting structure is convenient to be connected with pipelines and pipelines with different calibers, and the firmness of the connecting structure is good.)

1. An oil gas recovery valve, the oil gas recovery valve includes the valve block (1), there are flange (2) and keep away the dead slot (3) on the valve block (1), there are at least three flange screw holes (4) on the flange (2), there are flange bolts in the flange screw hole, wherein there are two flange screw holes (4) located above keeping away the dead slot (3) at least, there are connecting pipes on the left side of the valve block (1), characterized by, the said connecting pipe includes tubular first-class connecting pipe (501) and second grade connecting pipe (502) of circle, the right-hand member of the first-class connecting pipe (501) is connected with the left side of the valve block (1), the right-hand member of the second grade connecting pipe (502) is connected concentrically with the left end of the first-class connecting pipe (501), the external diameter of the first-class connecting pipe (501) is smaller than the external diameter of the second grade connecting pipe (502), the left end, the left end of the second-stage connecting pipe (502) is connected with the right end of a circular tube-shaped second-stage elastic steel pipe (602), the second-stage elastic steel pipe (602) is sleeved outside the right part of the first-stage connecting pipe (501), the left ends of the first-stage elastic steel pipe (601) and the second-stage elastic steel pipe (602) are respectively provided with at least two transverse triangular openings (7) which are uniformly distributed along the circumferential direction, the bottom sides of the triangular structures of the openings (7) are respectively positioned on the left end circumferences of the first-stage elastic steel pipe (601) and the second-stage elastic steel pipe (602), fixing rings are respectively sleeved outside the first-stage connecting pipe (501) and the second-stage connecting pipe (502) and respectively comprise two semicircular rings (9) connected through hinges (8), the end parts of the two semicircular rings (9) are respectively connected with a connecting flat plate (10), wherein clamping columns (11) are arranged on the left side and the right side, the left side and the right side of the connecting flat plate (10) of the semicircular ring (9) on the other side are provided with matched clamping grooves (12) at the clamping columns (11), the clamping columns (11) are arranged in the clamping grooves (12), the connecting flat plate (10) is respectively provided with a connecting screw hole, and a connecting bolt (13) is arranged in the connecting screw hole; be provided with seal chamber (14) and piston rod (15) in valve body (1), seal chamber (14) bottom is equipped with sealed back lid (16), seal chamber (14) are provided with piston (17), piston (17) upper end is connected with valve clack (18) of setting in valve body (1) right part upper end through piston rod (15), and valve clack (18) are connected with valve body (1), and valve body (1) right side has set gradually air inlet (19), supplementary gas port (20) and gas vent (21) from top to bottom.

2. The oil and gas recovery valve according to claim 1, characterized in that the inner wall of the semi-circular ring (9) is provided with a sealing gasket.

3. The oil and gas recovery valve according to claim 2, characterized in that the inner wall of the semi-circular ring (9) is provided with a mounting groove, the sealing gasket is arranged in the mounting groove, and the inner surface of the sealing gasket is positioned at the inner side of the inner wall of the semi-circular ring (9).

4. The vapor recovery valve of claim 3, wherein the outer sidewall of the gasket is attached to the bottom surface of the mounting groove by a glue layer.

5. The vapor recovery valve of claim 2, wherein an anti-slip textured layer is disposed on an inner wall of the gasket.

6. The oil and gas recovery valve of claim 5, wherein the non-slip textured layer is a corrugated layer.

7. The oil and gas recovery valve of claim 2, wherein the gasket is a rubber gasket.

8. The oil and gas recovery valve according to claim 1, characterized in that the clamping cylinder (11) is a semi-cylinder, the plane of the semi-cylinder structure of the clamping cylinder (11) is located on the outer side, and the clamping groove (12) is a semi-circular groove.

9. The oil and gas recovery valve according to claim 8, characterized in that the clipping column (11) is perpendicular to the connection plate (10).

10. The oil and gas recovery valve according to claim 1, characterized in that the end of the connecting bolt (13) is connected with a nut.

Technical Field

The invention relates to the technical field of oil gas recovery equipment, in particular to an oil gas recovery valve.

Background

At present, the conventional oil gas recovery valve mostly adopts a common pipeline as an interface structure, and the conventional oil gas recovery valve has the problems of inconvenience in connection with the pipeline, inconvenience in connection with pipelines with different calibers, and poor firmness of a connection structure.

Disclosure of Invention

The invention aims to provide an oil gas recovery valve, which aims to solve the problems that in the prior art, the connection with pipelines is inconvenient, the connection with pipelines with different calibers is inconvenient, and the firmness of a connection structure is poor.

In order to achieve the above object, the present invention provides an oil gas recovery valve, which comprises a valve body, wherein a flange and a clearance groove are arranged on the valve body, at least three flange screw holes are arranged on the flange, flange bolts are arranged in the flange screw holes, at least two flange screw holes are arranged above the clearance groove, a connecting pipe is arranged on the left side of the valve body, the connecting pipe comprises a first-stage connecting pipe and a second-stage connecting pipe, the right end of the first-stage connecting pipe is connected with the left side of the valve body, the right end of the second-stage connecting pipe is concentrically connected with the left end of the first-stage connecting pipe, the outer diameter of the first-stage connecting pipe is smaller than that of the second-stage connecting pipe, the left end of the first-stage connecting pipe is connected with the right end of the first-stage elastic steel pipe, the left end of, the left ends of the first-stage elastic steel pipe and the second-stage elastic steel pipe are respectively provided with at least two transverse triangular openings which are uniformly distributed along the circumferential direction, the bottom edges of the triangular structures of the openings are respectively positioned on the circumferences of the left ends of the first-stage elastic steel pipe and the second-stage elastic steel pipe, fixing rings are respectively sleeved outside the first-stage connecting pipe and the second-stage connecting pipe and respectively comprise two semicircular rings which are connected through hinges, the end parts of the two semicircular rings are respectively connected with a connecting flat plate, clamping columns are arranged on the left side and the right side of the connecting flat plate of one semicircular ring, matched clamping grooves are arranged on the left side and the right side of the connecting flat plate of the other semicircular ring at the clamping columns, the clamping columns are arranged in the clamping grooves, connecting screw holes are; be provided with seal chamber and piston rod in the valve body, the seal chamber bottom is equipped with sealed back lid, and the seal chamber is provided with the piston, and the piston upper end is connected with the valve clack of setting in valve body right part upper end through the piston rod, and the valve clack is connected with the valve body, and the valve body right side has set gradually air inlet, supplementary gas port and gas vent from top to bottom.

The oil gas recovery valve is opened when the oil tank is filled with oil, the gas pushes the piston to move, the piston drives the piston rod and the valve clack to move, the valve clack is opened at the moment, and oil gas on the oil liquid level in the oil tank can be recovered to the oil tank in a reservoir area through the oil gas recovery valve and other oil gas recovery devices connected with the external oil gas recovery valve, so that the oil gas is prevented from leaking. When oil is unloaded and an oil gas recovery facility system is available, the recovered gas is allowed to enter the oil tank; without the vapor recovery facility system, air is allowed to enter the tank.

The invention has the following advantages:

The oil gas recovery valve is convenient to connect with pipelines and pipelines with different calibers, and the firmness of the connection structure is good.

Drawings

Fig. 1 is an external structural schematic view of the oil gas recovery valve of the present invention.

Fig. 2 is a schematic view of the internal structure of the valve body of the oil gas recovery valve of the present invention.

In the figure, 1 is a valve body, 2 is a flange, 3 is a clearance groove, 4 is a flange screw hole, 501 is a first-stage connecting pipe, 502 is a second-stage connecting pipe, 601 is a first-stage elastic steel pipe, 602 is a second-stage elastic steel pipe, 7 is an opening, 8 is a hinge, 9 is a semicircular ring, 10 is a connecting flat plate, 11 is a clamping column, 12 is a clamping groove, 13 is a connecting bolt, 14 is a sealing cavity, 15 is a piston rod, 16 is a sealing rear cover, 17 is a piston, 18 is a valve flap, 19 is an air inlet, 20 is an auxiliary air inlet, and 21 is an air outlet.

Detailed Description

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.