CN211231781U

CN211231781U - Automatic pressure regulating valve for gas pipe network

Info

Publication number: CN211231781U
Application number: CN201922033776.4U
Authority: CN
Inventors: 刘健雄; 许建清; 薛建
Original assignee: Wuxi China Resources Gas Co Ltd
Current assignee: Wuxi China Resources Gas Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-11
Anticipated expiration: 2029-11-22

Abstract

The utility model provides an automatic air-vent valve of gas pipe network, including clamping the seat, the locating pin, the upset lid, the hinge, the apparatus further comprises a rotating shaft, the baffle, fixing bolt, fastening nut and clamp, the welding of terminal surface downside symmetry has the seat of clamping about the protection casing, clamp seat up end front side and install fixing bolt, the meshing of fixing bolt ring side downside has fastening nut, the laminating of gas pipe ring side downside has the clamp, protection casing right-hand member face upside alternates there is the locating pin, the upset lid is installed to the protection casing up end, the hinge is installed in upset lid up end left side, the pivot is installed to the terminal surface downside before the protection casing, the laminating of terminal surface front and back bilateral symmetry has the baffle under the protection casing, original air-vent valve does not have protective structure, the problem of easy damage has been solved to this design, the utility model discloses rational in infrastructure.

Description

Automatic pressure regulating valve for gas pipe network

Technical Field

The utility model relates to an automatic air-vent valve of gas pipe network belongs to gas pipe network technical field.

Background

The gas pipe network is a system formed by all facilities from a door station to a user, and comprises a door station or a gas source plant compressor station, a gas storage facility, a pressure regulating device, a transmission and distribution pipeline, a metering device, a management facility, a monitoring system and the like. The air-vent valve can be installed between gas pipe network and user pipe network, and along with the development of science and technology, present air-vent valve all possesses automatic pressure regulating ability, through air-vent valve automatic control user pipe network pressure, makes the automatic constant voltage air feed of gas, avoids the user to appear the condition that the firepower is suddenly big or suddenly little when using. However, the conventional pressure regulating valve has no corresponding protection structure, and because the pressure regulating valve is precise, once the pressure regulating valve is damaged by external force or by mistake, the gas pressure is suddenly high or low, and an automatic pressure regulating valve for a gas pipe network is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic air-vent valve of gas pipe network to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, effectively protect the air-vent valve, extension air-vent valve life.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an automatic pressure regulating valve for a gas pipe network comprises a connecting flange, a gas pipe, a protective cover, an observation window, a pressure regulating valve main body and a protective mechanism, wherein the connecting flange is symmetrically welded on the left end surface and the right end surface of the gas pipe, the protective cover is installed on the upper side of the gas pipe, the pressure regulating valve main body is assembled inside the protective cover, the observation window is arranged on the front end surface of the protective cover, the protective mechanism is arranged on the upper side of the gas pipe and comprises a clamping seat, a positioning pin, a turnover cover, a hinge, a rotating shaft, a baffle, a fixing bolt, a fastening nut and a clamp hoop, the clamping seat is symmetrically welded on the lower side of the left end surface and the right end surface of the protective cover, the fixing bolt is installed on the front side of the upper end surface of the clamping seat, the fastening nut, the utility model discloses a safety protection cover, including protection cover, hinge, pivot, protection cover up end, the upset lid up end left side is installed to the protection cover up end, the pivot is installed to the terminal surface downside before the protection cover, both sides symmetry laminating has the baffle before the terminal surface under the protection cover.

Furthermore, the right side of the upper end face of the turnover cover is provided with a digging groove.

Further, the pressure regulating valve main body is connected with the gas pipe through a sealing flange.

Further, the baffle is of a reversible structure.

Furthermore, four fixing bolts are installed, and the specifications of the four fixing bolts are the same.

Further, the clamping seat and the clamping hoop are matched with the gas pipe.

The utility model has the advantages that: the utility model discloses an automatic air-vent valve of gas pipe network, because of the utility model discloses having added and clamped seat, locating pin, upset lid, hinge, pivot, baffle, fixing bolt, fastening nut and clamp, this design has improved air-vent valve protective capacities, has solved original air-vent valve and has not protective structure, the problem of easy damage has improved the protective effect of the utility model.

Cover the up end right side because of the upset and seted up and scratch the groove, scratch the groove and conveniently overturn to the upset lid, be connected with the gas pipe through sealing flange because of the air-vent valve main part, sealing flange conveniently carries out the dismouting to the pressure-vent valve main part, because of clamping seat and clamp and gas pipe phase-match, this design has improved and has clamped seat and clamp and gas and has managed between the installation convenience, the utility model discloses rational in infrastructure, effectively protect the pressure-vent valve, extension air-vent valve life.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of an automatic pressure regulating valve for a gas pipe network of the present invention;

FIG. 2 is a schematic structural view of a protection mechanism in an automatic pressure regulating valve of a gas pipe network according to the present invention;

FIG. 3 is a front sectional view of a protection mechanism in the automatic pressure regulating valve of a gas pipe network of the present invention;

in the figure: 1-connecting flange, 2-gas pipe, 3-protective cover, 4-observation window, 5-pressure regulating valve main body, 6-protective mechanism, 61-clamping seat, 62-positioning pin, 63-turnover cover, 64-hinge, 65-rotating shaft, 66-baffle, 67-fixing bolt, 68-fastening nut and 69-clamp.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic air-vent valve of gas pipe network, includes flange 1, gas pipe 2, protection casing 3, observation window 4, air-vent valve main part 5 and protection machanism 6, and the terminal surface symmetric welding has flange 1 about the gas pipe 2, and protection casing 3 is installed to 2 upsides of gas pipe, and 3 internal fittings of protection casing have air-vent valve main part 5, and observation window 4 has been seted up to the terminal surface before the protection casing 3, and 2 upsides of gas pipe are provided with protection machanism 6.

Protection machanism 6 is including clamping seat 61, locating pin 62, flip cover 63, hinge 64, pivot 65, baffle 66, fixing bolt 67, fastening nut 68 and

clamp

69, 3 left and right sides of the protection casing face downside symmetric welding have and clamp seat 61, clamp seat 61 up end front side and install fixing bolt 67, fixing bolt 67 annular side downside meshing has fastening nut 68, 2 annular side downside laminating of gas pipe has

clamp

69, 3 right-hand member of protection casing face upside interlude has locating

62, 3 up end of protection casing installs flip cover 63, flip cover 63 up end left side is installed

hinge

64, 3 preceding terminal surface downside of protection

casing installs pivot

65, 3 preceding back bilateral symmetry laminating of lower terminal surface of protection casing have baffle 66, this design has solved original air-vent valve and has not had protective structure, the problem of easy damage.

The groove has been seted up on upset lid 63 up end right side, scratch the groove and conveniently overturn upset lid 63, air-vent valve main part 5 is connected with gas pipe 2 through sealing flange, sealing flange conveniently carries out the dismouting to pressure-vent valve main part 5, baffle 66 is flip structure, this design has improved baffle 66 practicality, fixing bolt 67 installs four, and four fixing bolt 67 specifications are the same, fixing bolt 67 is effectively fixed clamping between seat 61 and the clamp 69, clamp seat 61 and clamp 69 and gas pipe 2 phase-match, this design has improved and has clamped seat 61 and clamp 69 and gas pipe between 2 installation convenience.

As an embodiment of the present invention: firstly, the pressure regulating valve main body 5 is connected with the gas pipe 2 through a sealing flange, then a clamping seat 61 and a clamping hoop 69 are fixed on the upper side and the lower side of the annular side surface of the gas pipe 2 through meshing force between a fixing bolt 67 and a fastening nut 68, a turnover cover 63 is fixed on the upper end surface of the protective cover 3 through a hinge 64, a baffle plate 66 is fixed on the front side and the rear side of the lower end surface of the protective cover 3 through a rotating shaft 65, a positioning pin 62 is inserted into the upper side inside the protective cover 3 to position the turnover cover 63, the turnover cover 63 is prevented from being opened easily, at the moment, the protective cover 3, the turnover cover 63 and the baffle plate 66 can effectively protect the pressure regulating valve main body 5, and the.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an automatic air-vent valve of gas pipe network, includes flange, gas pipe, protection casing, observation window, air-vent valve main part and protection machanism, its characterized in that: the gas pipe is characterized in that connecting flanges are symmetrically welded on the left end face and the right end face of the gas pipe, a protective cover is mounted on the upper side of the gas pipe, a pressure regulating valve main body is assembled inside the protective cover, an observation window is arranged on the front end face of the protective cover, and a protective mechanism is arranged on the upper side of the gas pipe;

protection machanism clamps seat, locating pin, upset lid, hinge, pivot, baffle, fixing bolt, fastening nut and clamp including clamping, the welding of terminal surface downside symmetry has the seat of clamping about the protection casing, clamp the seat up end front side and install fixing bolt, the meshing of fixing bolt annular side downside has fastening nut, the laminating of gas pipe annular side downside has the clamp, protection casing right-hand member face upside alternates there is the locating pin, the upset lid is installed to the protection casing up end, the hinge is installed in upset lid up end left side, the pivot is installed to the terminal surface downside before the protection casing, the laminating of the preceding back bilateral symmetry of protection casing lower extreme face has the baffle.

2. The automatic pressure regulating valve for a gas pipe network according to claim 1, characterized in that: the right side of the upper end face of the turnover cover is provided with a digging groove.

3. The automatic pressure regulating valve for a gas pipe network according to claim 1, characterized in that: the pressure regulating valve main body is connected with the gas pipe through a sealing flange.

4. The automatic pressure regulating valve for a gas pipe network according to claim 1, characterized in that: the baffle is of a reversible structure.

5. The automatic pressure regulating valve for a gas pipe network according to claim 1, characterized in that: four fixing bolts are installed, and the specifications of the four fixing bolts are the same.

6. The automatic pressure regulating valve for a gas pipe network according to claim 1, characterized in that: the clamping seat and the clamp are matched with the gas pipe.