CN206093524U - Sealed pressure regulating box that fills up of dismantlement formula - Google Patents

Abstract

The utility model relates to a sealed pressure regulating box that fills up of dismantlement formula, including import ball valve, filter equipment, gas fuel passag, export ball valve, regulator and cutting device, be equipped with the valve port among the gas fuel passag, the valve port is divided into admit air chamber and play air cavity with gas fuel passag, and the valve port is given vent to anger and is held and the regulator cooperation, and the valve port inlet end coordinates with cutting device, and the export of importing the ball valve is continuous with filter equipment's import, filter equipment's the export and the chamber intercommunication that admits air, and the import and the air cavity that export the ball valve are continuous, cutting device to cut off the intake port of valve clack and valve port just right, cut off the valve clack and include sealing member and screw, the sealing member includes that the skeleton fills up with sealed, skeleton one end is connected with cutting device's the valve rod that cuts off, the terminal surface of the skeleton other end open have with the sealed draw -in groove that fills up the adaptation, the sealed dress that fills up is in the draw -in groove and pass through screw and skeleton rigid coupling. The utility model discloses only need change sealed the pad when sealed pad on the sealing member damages, not need overall change, replacement cost is low.

Description

Dismountable sealing gasket pressure regulating box

Technical field

This utility model is related to building air feed equipment technical field, more particularly to dismountable sealing gasket pressure regulating box.

Background technology

Existing city gas system pressure regulating box operationally, is a dynamic sealing between sealing member and valve port, long Time uses, and the easy aging, damage of sealing gasket on sealing member, sealing member replacement frequency are higher, and sealing member is due to being sealing gasket Vulcanize integral with skeleton, integral replacing need to be carried out, cause dismounting and change inconvenience, renewal cost is high.

Utility model content

This utility model aims to provide dismountable sealing gasket pressure regulating box, is convenient for changing sealing gasket.

To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：

Dismountable sealing gasket pressure regulating box, including inlet ball valve, defecator, blast tube, vent ball valve, regulator and Shearing device, is provided with valve port in the blast tube, blast tube is divided into inlet chamber and outlet chamber, valve port outlet by the valve port End and regulator cooperation, valve port inlet end and shearing device cooperation, the outlet of the inlet ball valve and the import of defecator It is connected, the outlet of the defecator is connected with inlet chamber, and the import of the vent ball valve is connected with outlet chamber；

The cut-out flap of the shearing device is just right with the air inlet port of valve port, and the cut-out flap includes sealing member and spiral shell Nail, the sealing member include skeleton and sealing gasket, and described skeleton one end is connected with the cut-out valve rod of shearing device, and the skeleton is another The end face of one end is provided with the draw-in groove being adapted to sealing gasket, during the sealing gasket is mounted in draw-in groove and affixed with skeleton by screw.

Further, the diameter with diameter greater than valve port air inlet port of the sealing gasket.

Further, the screw is coaxially disposed with sealing member.

Further, the inlet ball valve and defecator dead in line.

Further, the axis of the inlet ball valve, defecator, vent ball valve, regulator and shearing device is mutual It is parallel.

Further, latus rectum of the latus rectum of the vent ball valve more than inlet ball valve.

Further, the blast tube is connected with defecator one end is horizontally disposed with, blast tube and vent ball valve One end of connection is arc.The airflow design of gas passage, reduces the resistance to gas.

Further, the sealing gasket is rubber blanket.

Compared with prior art, this utility model has the advantages that：

1. sealing gasket need to be only changed when the sealing gasket on this utility model sealing member is damaged, it is not necessary to integral replacing, change Expense is low；

2. when changing sealing gasket, screw need to be unclamped only, sealing gasket is removed, be not required to dismantle skeleton, be changed convenient, improve Work efficiency.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of cut-out flap in this utility model；

In figure：1- inlet ball valves, 2- defecators, 3- blast tubes, 4- vent ball valves, 5- regulators, 6- cut-out dresses Put, 7- valve ports, 31- inlet chambers, 32- outlet chambers, 61- cut-out flap, 62- cut-out valve rod, 611- skeletons, 612- sealing gaskets, 613- screws.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing, to this reality It is further elaborated with new.

As shown in figure 1, dismountable sealing gasket pressure regulating box disclosed in this utility model, including inlet ball valve 1, defecator 2, Blast tube 3, vent ball valve 4, regulator 5 and shearing device 6, are provided with valve port 7 in blast tube 3, valve port 7 is by blast tube 3 points are inlet chamber 31 and outlet chamber 32, and 7 outlet side of valve port is coordinated with regulator 5, and 7 inlet end of valve port is matched somebody with somebody with shearing device 6 Close, the outlet of inlet ball valve 1 is connected with the import of defecator 2, and the outlet of defecator 2 is connected with inlet chamber 31, export ball The import of valve 4 is connected with outlet chamber 32；

Shearing device 6 cut-out flap 61 it is just right with the air inlet port of valve port 7, as shown in Fig. 2 cut off flap 61 include it is close Sealing and screw 613, sealing member include the cut-out valve rod 62 of skeleton 611 and sealing gasket 612,611 one end of skeleton and shearing device 6 Connection, the end face of 611 other end of skeleton are provided with the draw-in groove being adapted to sealing gasket 612, during sealing gasket 612 is mounted in draw-in groove and by spiral shell Nail 613 is affixed with skeleton 611.Sealing gasket 612 is rubber blanket.The diameter with diameter greater than 7 air inlet port of valve port of sealing gasket 612. Screw 613 is coaxially disposed with sealing member.

Further, inlet ball valve 1 and 2 dead in line of defecator.Inlet ball valve 1, defecator 2, vent ball valve 4, The axis of regulator 5 and shearing device 6 is parallel to each other.One end that blast tube 3 is connected with defecator 2 is horizontally disposed with, combustion One end that gas passage 3 is connected with vent ball valve 4 is arc.The airflow design of gas passage, reduces the resistance to gas.Outlet Latus rectum of the latus rectum of ball valve 4 more than inlet ball valve 1.

Inlet ball valve realizes inlet switch and cut-out source of the gas protective effect；Defecator includes filling filter element, filters in gas Impurity and protect pressure regulator not to be damaged by the impurities；Regulator adjusts pressure；Shearing device provides safeguard protection, realizes urgent Cut-out；Vent ball valve cuts off the supply to rear end.Sealing gasket need to only be changed when sealing gasket is damaged on sealing member, it is not necessary to which entirety is more Change, renewal cost is low.

Certainly, this utility model can also have other numerous embodiments, without departing substantially from this utility model spirit and its essence In the case of, those of ordinary skill in the art can make various corresponding changes and deformation, but these according to this utility model Corresponding change and deformation should all belong to the scope of the claims appended by this utility model.

Claims (8)

1. dismountable sealing gasket pressure regulating box, it is characterised in that:Including inlet ball valve (1), defecator (2), blast tube (3), Vent ball valve (4), regulator (5) and shearing device (6), are provided with valve port (7), the valve port (7) in the blast tube (3) Blast tube (3) is divided into into inlet chamber (31) and outlet chamber (32), valve port (7) outlet side is coordinated with regulator (5), valve port (7) inlet end is coordinated with shearing device (6), and the outlet of the inlet ball valve (1) is connected with the import of defecator (2), described The outlet of defecator (2) is connected with inlet chamber (31), and the import of the vent ball valve (4) is connected with outlet chamber (32)；

The cut-out flap (61) of the shearing device (6) is just right with the air inlet port of valve port (7), and cut-out flap (61) includes Sealing member and screw (613), the sealing member include skeleton (611) and sealing gasket (612), described skeleton (611) one end with cut Cut-out valve rod (62) connection of disconnected device (6), the end face of skeleton (611) other end are provided with what is be adapted to sealing gasket (612) Draw-in groove, it is during the sealing gasket (612) is mounted in draw-in groove and affixed with skeleton (611) by screw (613).

2. dismountable sealing gasket pressure regulating box according to claim 1, it is characterised in that：The diameter of the sealing gasket (612) More than the diameter of valve port (7) air inlet port.

3. dismountable sealing gasket pressure regulating box according to claim 1, it is characterised in that：The screw (613) and sealing member It is coaxially disposed.

4. dismountable sealing gasket pressure regulating box according to claim 1, it is characterised in that：The inlet ball valve (1) and filtration Device (2) dead in line.

5. the dismountable sealing gasket pressure regulating box according to claim 1 or 4, it is characterised in that：The inlet ball valve (1), mistake The axis of filter device (2), vent ball valve (4), regulator (5) and shearing device (6) is parallel to each other.

6. dismountable sealing gasket pressure regulating box according to claim 1, it is characterised in that：The latus rectum of the vent ball valve (4) More than the latus rectum of inlet ball valve (1).

7. dismountable sealing gasket pressure regulating box according to claim 5, it is characterised in that：The blast tube (3) and filtration One end that device (2) connects is horizontally disposed with, and one end that blast tube (3) is connected with vent ball valve (4) is arc.

8. dismountable sealing gasket pressure regulating box according to claim 1, it is characterised in that：The sealing gasket (612) is rubber Pad.