CN219472857U

CN219472857U - Gas straight-through valve

Info

Publication number: CN219472857U
Application number: CN202223576443.4U
Authority: CN
Inventors: 张亚鹏; 张会厂; 尚俊霞; 张亚楠
Original assignee: Henan Shengtang Gas Safety Equipment Co ltd
Current assignee: Henan Shengtang Gas Safety Equipment Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-08-04
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of gas equipment, in particular to a gas straight-through valve; the valve seat is formed by connecting a valve body and a valve cover, the flange is arranged at the joint of the valve body and the valve cover, the valve body and the valve cover are connected into a whole through a hole in the flange, the valve body is of a right-angle-shaped tee structure, one side end of the valve body is connected with the valve cover, the outer edge of the other side end of the valve body is further provided with a rotary disk, the upper end of the valve body is connected with a valve rod, the top of the valve rod is clamped with a handle, a limiting piece is further connected between the handle and the valve body, the lower end of the valve rod is connected with a valve core positioned at the tee joint of the valve body, the valve cover is in linear cylindrical connection, one end of the valve cover is connected with the valve body, and the outer edge of the other end of the valve body is also provided with the rotary disk. The rotary disk is convenient to butt joint and detach when connected with an external pipeline or a valve, so that later maintenance or replacement work is facilitated, and meanwhile, the valve seat is more beneficial to installation and replacement by adopting a split type structure, and the rotary disk valve is simple in structure and convenient to use.

Description

Gas straight-through valve

Technical Field

The utility model relates to the technical field of gas equipment, in particular to a gas straight-through valve.

Background

The gas valve is a novel safety matching device for gas pipeline engineering. The gas valve is used for cutting off, connecting and regulating gas in a pipeline, has good control characteristics and closing sealing performance, and is widely applied to various gas medium pipelines such as gas, liquefied petroleum gas, natural gas, oxygen and the like of urban gas supply pipe network systems. The driving mode has manual, worm gear drive, electric, pneumatic, hydraulic, electrohydraulic linkage and other actuating mechanisms, and can realize remote control and automatic operation.

The existing gas transportation generally adopts a gas pipe transportation mode, the gas pipe needs to be installed before the gas is used, and the gas pipe needs to be replaced after the gas pipe is used for a certain period of time. The existing gas pipe is poor in connection tightness with a gas valve, easy to fall off, and low in safety due to leakage of gas in the maintenance process.

Disclosure of Invention

The purpose of the utility model is that: a gas through valve is provided to solve the problems in the background art described above.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gas straight-through valve, includes the disk seat, the disk seat comprises valve body and valve gap connection, the flange is all installed to the junction of valve body and valve gap, pass the hole on the flange through the bolt and connect into a whole with both, wherein the valve body is right angle shape tee bend structure, one side end and the valve gap connection of valve body, still be provided with the rotary disk on the opposite side end outer fringe, the upper end of valve body is connected with the valve rod, the top joint of valve rod has the handle, still be connected with spacing piece between handle and the valve body, the lower extreme of valve rod is connected with the case that is located valve body tee bend department, the valve gap is straight line cylinder connection, one end is connected with the valve body, also be provided with the rotary disk on the other end outer fringe.

Further, the rotary disk is rotationally clamped with the left end of the valve body, so that the rotary disk can rotate along the axis, and a group of connecting holes are further formed in the front face of the rotary disk.

Further, the rotary disk is rotationally clamped with the right end of the valve cover, so that the rotary disk can rotate along the axis, and a group of connecting holes are further formed in the front face of the rotary disk.

Further, the rotary disk is formed by fastening two semicircular disks through bolts, concentric circular grooves are further formed in the front face of the rotary disk, and soft gaskets are connected in the circular grooves.

Further, the limiting piece is connected with the valve rod in a clamping mode, shielding pieces are connected to the upper end and the lower end of the limiting piece outwards, and the upper end of the limiting piece is fixedly connected with the handle.

Furthermore, the top end of the valve body is also provided with a limit bolt which is arranged at the upper end and the lower end of the top surface of the valve body in a straight line symmetry way.

Furthermore, the soft cushion ring is made of polytetrafluoroethylene.

The beneficial effects of the utility model are as follows: adopt split type structure with the disk seat, through the valve gap combination on left valve body and right side, make things convenient for the maintenance and the change of gas valve, connect the rotary disk on the pipeline of both ends about the gas valve simultaneously, make the rotary disk can follow the pipeline axis free rotation, make things convenient for and pipeline or valve pass through bolted connection to still be provided with corrosion-resistant sealing washer in junction, can prevent that natural gas from leaking, facilitate the installation dismantlement when improving security performance.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a schematic structural view of the valve body.

Fig. 5 is a cross-sectional view taken along direction a in fig. 4.

In the figure: 1. a valve seat; 2. a valve body; 3. a valve cover; 4. a flange; 5. a rotating disc; 6. a valve stem; 7. a handle; 8. a limiting piece; 9. a soft gasket; 10. and a limit bolt.

Detailed Description

The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.

Examples: as shown in fig. 1 to 5, the gas straight-through valve provided by the utility model comprises a valve seat 1, wherein the valve seat 1 is formed by connecting a valve body 2 and a valve cover 3, flanges 4 are arranged at the connecting positions of the valve body 2 and the valve cover 3, and are connected into a whole through bolts penetrating through holes on the flanges 4, wherein the valve body 2 is of a right-angle tee structure, one side end of the valve body 2 is connected with the valve cover 3, a rotating disk 5 is further arranged on the outer edge of the other side end, the upper end of the valve body 2 is connected with a valve rod 6, the top of the valve rod 6 is clamped with a handle 7, a limiting piece 8 is further connected between the handle 7 and the valve body 2, the lower end of the valve rod 6 is connected with a valve core positioned at the tee position of the valve body 2, the valve cover 3 is in a straight-line cylinder connection, one end of the valve body 2 is connected, and the outer edge of the other end is also provided with a rotating disk. The rotary disk is formed by bolt fastening through two semicircular disks, the front of the rotary disk is further provided with a concentric circular groove, the circular groove is internally connected with a soft cushion ring 9, the rotary disk is rotationally connected with one of the valve body 2 or the valve cover 3, or rotationally connected with the two, connecting pipelines at two ends of the gas valve are firstly arranged at the upper end and the lower end of the top surface of the valve body 2 in a straight line symmetrical mode through the rotary disk pair Ji Kongwei, the connecting pipelines are fastened and connected after being initially positioned by bolts, the gas valve is convenient to install and detach, and the front of the rotary disk is further provided with a concentric circular groove, the circular groove is internally connected with the soft cushion ring 9, the soft cushion ring 9 is sealed during connection, the soft cushion ring 9 is made of corrosion-resistant polytetrafluoroethylene, service life can be prolonged, the upper end and the lower end of the limiting piece 8 are fixedly connected with the handle 7, the top end of the limiting piece 8 is further connected with the limiting bolt 10 in a straight line symmetrical mode, the limiting bolt 10 can be rotated along the distance between the limiting bolt 10 when the handle 7 is connected with the valve body 2, and the limiting piece 8 is fixedly connected with the upper end and the limiting piece, and the limiting bolt 10 can be always closed or the two limiting bolts can be prevented from being rotated, and the limit bolt 10 can be always between the two limiting pieces and the limit bolt 10 can be closed or the limit bolt is convenient to be rotated and the limit bolt is closed.

The valve seat adopts a split structure, the valve body at the left side is combined with the valve cover at the right side, so that the maintenance and the replacement of the gas valve are facilitated, meanwhile, the rotating disk is connected to the pipelines at the left end and the right end of the gas valve, so that the rotating disk can freely rotate along the axis of the pipeline, the rotating disk is conveniently connected with the pipeline or the valve through bolts, and the corrosion-resistant sealing gasket is further arranged at the connecting part, so that the natural gas leakage can be prevented, the safety performance is improved, and meanwhile, the installation and the disassembly are facilitated.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. A gas through valve, characterized in that: the valve seat is formed by connecting a valve body and a valve cover, the flange is arranged at the joint of the valve body and the valve cover, the valve body and the valve cover are connected into a whole through a hole in the flange, the valve body is of a right-angle-shaped tee structure, one side end of the valve body is connected with the valve cover, the outer edge of the other side end of the valve body is further provided with a rotary disk, the upper end of the valve body is connected with a valve rod, the top of the valve rod is clamped with a handle, a limiting piece is further connected between the handle and the valve body, the lower end of the valve rod is connected with a valve core positioned at the tee joint of the valve body, the valve cover is in linear cylindrical connection, one end of the valve cover is connected with the valve body, and the outer edge of the other end of the valve body is also provided with the rotary disk.

2. A gas through valve according to claim 1, wherein: the rotary disk is rotationally clamped with the left end of the valve body, so that the rotary disk can rotate along the axis, and a group of connecting holes are further formed in the front face of the rotary disk.

3. A gas through valve according to claim 1, wherein: the rotary disk is rotationally clamped with the right end of the valve cover, so that the rotary disk can rotate along the axis, and a group of connecting holes are further formed in the front face of the rotary disk.

4. A gas through valve according to claim 2 or 3, characterized in that: the rotary disk is formed by fastening two semi-disks through bolts, concentric circular grooves are further formed in the front face of the rotary disk, and soft gaskets are connected in the circular grooves.

5. A gas through valve according to claim 1, wherein: the limiting piece is connected with the valve rod in a clamping mode, shielding pieces are connected to the upper end and the lower end of the limiting piece outwards, and the upper end of the limiting piece is fixedly connected with the handle.

6. A gas through valve according to claim 1, wherein: and the top end of the valve body is also provided with limit bolts which are arranged at the upper end and the lower end of the top surface of the valve body in a straight line symmetry manner.

7. A gas through valve as defined in claim 4, wherein: the soft cushion ring is made of polytetrafluoroethylene.