CN212986218U - Back pressure type gas quick discharge valve - Google Patents
Back pressure type gas quick discharge valve Download PDFInfo
- Publication number
- CN212986218U CN212986218U CN202021801337.XU CN202021801337U CN212986218U CN 212986218 U CN212986218 U CN 212986218U CN 202021801337 U CN202021801337 U CN 202021801337U CN 212986218 U CN212986218 U CN 212986218U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- rigid coupling
- back pressure
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a back pressure formula coal gas fast valve of arranging, which comprises a valve body, the top rigid coupling of valve body has the seal receptacle, the inner wall of seal receptacle is inlayed and is had sealed the pad, the bottom rigid coupling of valve body has the ring flange, one side rigid coupling of valve body has the support, the inboard of support is equipped with the valve shaft that runs through the valve body, the outer wall connection of valve shaft has the cylinder. The back pressure type gas quick discharge valve is characterized in that the lower side of a valve body is communicated with a pipeline through a flange plate, a sealing gasket is arranged on the inner side of a sealing seat and used for achieving pressure difference plane sealing, the sealing gasket is fixed on the sealing seat and is in contact with a knife-shaped valve fan at the outlet of the valve body when the valve body is closed, a support is arranged beside a connecting pipe on the side surface of the valve body and hinged with the lower end of an air cylinder, the upper end of the air cylinder is hinged with a push rod through a piston rod, one end of the piston rod of the air cylinder is hinged with the push rod, the air cylinder is used for pushing a valve shaft, meanwhile.
Description
Technical Field
The utility model relates to a gas valve technical field specifically is a back pressure formula coal gas fast valve of arranging.
Background
The existing box body diffusion equipment basically uses ball valves and gate valves as main parts, and a sealing surface is in corrosive gas or liquid for a long time (the content of chloride ions is high), so that the sealing surface and a valve shaft are corroded, and under the condition of not opening for a long time, the sealing surface is damaged by once opening once occasionally, leakage is formed, or the valve shaft and the sealing surface are corroded, and the opening is difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back pressure formula coal gas arranges valve soon to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a back pressure formula coal gas arranges valve soon, includes the valve body, the top rigid coupling of valve body has the seal receptacle, the inner wall of seal receptacle is inlayed and is had sealed the pad, the bottom rigid coupling of valve body has the ring flange, one side rigid coupling of valve body has the support, the inboard of support is equipped with the valve shaft that runs through the valve body, the outer wall and the cylinder of valve shaft are linked together.
Preferably, the outer wall rigid coupling of valve shaft has the lantern ring, the outer wall rigid coupling of the lantern ring has the push rod, the other end of push rod rotates and is connected with the connector, the other end of connector is connected with the piston rod one end of cylinder.
Preferably, the outer side of the valve shaft is fixedly connected with a sleeve head, and one side of the outer wall of the sleeve head is fixedly connected with a wrench.
Preferably, a groove is formed in one side of the inner wall of the sealing seat, and the sealing gasket is clamped into the inner side of the groove through a steel ring.
Compared with the prior art, the beneficial effects of the utility model are that: the back pressure type gas quick discharge valve is characterized in that the lower side of a valve body is communicated with a pipeline through a flange plate, a sealing seat is fixed on the upper portion of the valve body, a sealing gasket is arranged on the inner side of the sealing seat and plays a role of pressure difference plane sealing, the sealing gasket is fixed on the sealing seat and is in contact with a knife-shaped valve fan at the outlet of the valve body when the valve body is closed, a support is arranged beside a connecting pipe on the side surface of the valve body and is hinged with the lower end of an air cylinder, the upper end of the air cylinder is hinged with a push rod through a piston rod, one end of the piston rod of the air cylinder is hinged with the push rod, so that the.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a top view of fig. 1.
In the figure: 1. the valve comprises a valve body, 2, a sealing seat, 3, a support, 4, an air cylinder, 5, a wrench, 6, a valve shaft, 7, a flange plate, 8, a sleeve head, 9, a push rod, 10, a sleeve ring, 11, a sealing gasket, 12 and a connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a back pressure type gas quick discharge valve comprises a valve body 1, a sealing seat 2 is fixedly connected to the top end of the valve body 1, a sealing gasket 11 is embedded on the inner wall of the sealing seat 2 and made of silica gel, an annular groove is formed in the inner wall of the sealing seat 2, a silica gel sealing gasket part is extruded into the inner side of the groove, the silica gel sealing gasket is fixed through clamping an annular steel ring matched with the annular groove into the inner side of the groove, a flange 7 is fixedly connected to the bottom end of the valve body 1, the flange 7 is used for conveniently connecting a gas pipeline, a support 3 is fixedly connected to one side of the valve body 1, the support 3 mainly plays a role of supporting an air cylinder or a hydraulic cylinder, a valve shaft 6 penetrating through the valve body 1 is arranged on the inner side of the support 3, the outer wall of the valve shaft 6 is communicated with an air cylinder 4, the air cylinder 4 is communicated with a control system, the working condition of the air cylinder, the lantern ring 10 is used for driving the valve shaft 6 to rotate, the outer wall rigid coupling of the lantern ring 10 has push rod 9, the other end of push rod 9 rotates and is connected with connector 12, the other end of connector 12 is connected with the piston rod one end of cylinder 4, the piston rod drives connector 12, connector 12 drives push rod 9 and removes, push rod 9 drives lantern ring 10 and rotates, thereby it rotates to drive valve shaft 6, realize the rotation of valve plate, the outside rigid coupling of valve shaft 6 has pullover 8, pullover 8 outer wall one side rigid coupling has spanner 5, spanner 5 drives pullover 8 and rotates, pullover 8 drives valve shaft 6 and rotates, a switch for manual control valve in emergency.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a back pressure formula coal gas fast valve of arranging, includes valve body (1), its characterized in that: the top rigid coupling of valve body (1) has seal receptacle (2), the inner wall of seal receptacle (2) is inlayed and is had sealed pad (11), the bottom rigid coupling of valve body (1) has ring flange (7), one side rigid coupling of valve body (1) has support (3), the inboard of support (3) is equipped with valve shaft (6) that runs through valve body (1), the outer wall connection of valve shaft (6) has cylinder (4).
2. A back pressure type gas quick-release valve according to claim 1, characterized in that: the outer wall rigid coupling of valve shaft (6) has the lantern ring (10), the outer wall rigid coupling of the lantern ring (10) has push rod (9), the other end of push rod (9) rotates and is connected with connector (12), the other end of connector (12) is connected with the piston rod one end of cylinder (4).
3. A back pressure type gas quick-release valve according to claim 1, characterized in that: the outside rigid coupling of valve shaft (6) has pullover (8), pullover (8) outer wall one side rigid coupling has spanner (5).
4. A back pressure type gas quick-release valve according to claim 1, characterized in that: a groove is formed in one side of the inner wall of the sealing seat (2), and the sealing gasket (11) is clamped into the inner side of the groove through a steel ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021801337.XU CN212986218U (en) | 2020-08-26 | 2020-08-26 | Back pressure type gas quick discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021801337.XU CN212986218U (en) | 2020-08-26 | 2020-08-26 | Back pressure type gas quick discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212986218U true CN212986218U (en) | 2021-04-16 |
Family
ID=75434949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021801337.XU Active CN212986218U (en) | 2020-08-26 | 2020-08-26 | Back pressure type gas quick discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212986218U (en) |
-
2020
- 2020-08-26 CN CN202021801337.XU patent/CN212986218U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202867954U (en) | Aerostat helium charge valve | |
| CN212986218U (en) | Back pressure type gas quick discharge valve | |
| CN207080636U (en) | Low torque elastic floating ball valve | |
| CN215445140U (en) | Upper-mounted eccentric half-ball valve with regulating press ring on valve seat | |
| CN206274086U (en) | A kind of air operated reversing valve | |
| CN212251196U (en) | Bidirectional hydraulic butterfly valve dynamic composite sealing device | |
| CN2416290Y (en) | Cone seal stop valve for liquid caustic soda | |
| CN214119021U (en) | Combined electric control switching valve | |
| CN211901669U (en) | Reversing three-way valve | |
| CN218118986U (en) | Double-valve type sealing structure capable of preventing gas leakage | |
| CN213629005U (en) | Rigid sealing device for dome valve | |
| CN2929377Y (en) | Vacuum butterfly valve | |
| CN214889018U (en) | Anti-leakage fluorine-lined ball valve | |
| CN219472859U (en) | Pigging valve body | |
| CN219866339U (en) | Flange valve with flange plate adopting assembled structure | |
| CN219639449U (en) | Anti-scouring stop valve with double sealing effect | |
| CN213117896U (en) | Stainless steel combination flange | |
| CN214119134U (en) | Reversing valve safety seal structure | |
| CN214789379U (en) | Sealing stuffing box with multiple sealing structures | |
| CN220581718U (en) | Adjustable gate valve | |
| CN220470719U (en) | Dismounting device for high-pressure check valve of power station boiler | |
| CN210687060U (en) | Flange type ball valve with sealing ring gasket on flange surface | |
| CN219888786U (en) | Axial sealing floating ball valve | |
| CN219734228U (en) | Special bellows stop valve of chlorine | |
| CN220910528U (en) | Flat gate valve connecting and sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |