CN213479198U - Gas regulating valve - Google Patents
Gas regulating valve Download PDFInfo
- Publication number
- CN213479198U CN213479198U CN202022412129.7U CN202022412129U CN213479198U CN 213479198 U CN213479198 U CN 213479198U CN 202022412129 U CN202022412129 U CN 202022412129U CN 213479198 U CN213479198 U CN 213479198U
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- valve rod
- valve
- sealing
- air inlet
- air outlet
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Abstract
The utility model discloses a gas regulating valve, which comprises a valve body, a valve rod and a valve cap, wherein the upper end and the lower end of the valve body are respectively provided with an air inlet cylinder and an air outlet cylinder, the free ends of the air inlet cylinder and the air outlet cylinder are both provided with interface pieces communicated with the pipeline, the valve body is provided with an air inlet cavity and an air outlet cavity which are communicated through a step channel, a valve rod mounting port is arranged on the valve body, a sealing plate is arranged at the valve rod mounting port, a sealant filling groove is arranged on the sealing plate, the valve rod mounting plate is welded and fixed on the valve body, the valve rod penetrates through the valve rod mounting plate and extends into the gas outlet cavity, a valve core is arranged at the end part of the valve rod in the gas outlet cavity, the outer surface of the valve rod mounting plate is provided with a valve rod sleeve, one end of the elastic stretchable sealing element is connected with the valve rod sleeve, the other end of the elastic stretchable sealing element is connected with the valve rod, the valve cap is rotatably arranged on the valve rod sleeve, and the valve cap and the valve rod are fixed through bolts. The utility model has the advantages of simple structure and reasonable design, sealing performance is good, can effectively avoid gaseous outer the leaking.
Description
Technical Field
The utility model relates to a valve, specific gas regulating valve that says so.
Background
The valve is difficult to avoid the problem of air leakage generally, and the air leakage degree of the valves made of different materials and structures is different. For gas valves, a severe leak may compromise the personal safety of the user.
Disclosure of Invention
In order to solve the problem, the utility model provides a gas regulating valve that sealing performance is good.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
the utility model relates to a gas regulating valve, which comprises a valve body, a valve rod and a valve cap, wherein the upper end and the lower end of the valve body are respectively provided with an air inlet cylinder and an air outlet cylinder, the free ends of the air inlet cylinder and the air outlet cylinder are respectively provided with an interface piece communicated with a pipeline, the valve body is provided with an air inlet cavity and an air outlet cavity, the air inlet cavity and the air outlet cavity are communicated through a step channel, the air inlet cavity is communicated with an air inlet channel in the air inlet cylinder, the air outlet cavity is communicated with the air outlet cylinder, the valve body is provided with a valve rod mounting port, the valve rod mounting port is provided with a sealing plate extending inwards, the sealing plate is provided with a sealing glue filling groove, the valve rod mounting plate is welded and fixed on the valve body, a valve rod penetrates into an air outlet cavity in the valve body through a valve rod perforation on the valve rod, valve rod sleeve pipe and valve rod mounting panel integrated into one piece are provided with the mounting groove at valve rod sleeve pipe terminal surface, but the one end of elasticity tensile sealing member is rotatable installs in the mounting groove to it is fixed through the clamp plate, but the clamp plate passes through the screw fixation on the valve rod sleeve pipe terminal surface in the mounting groove outside, but the other end and the valve rod connection of elasticity tensile sealing member, the rotatable setting of valve cap is on the valve rod sleeve pipe, the valve cap passes through the bolt fastening with the valve rod.
The utility model discloses a further improvement lies in: a first sealing groove is formed in the first step surface of the step channel, and a first sealing ring is arranged in the sealing groove.
The utility model discloses a further improvement lies in: and a second sealing ring is arranged on the valve core.
The utility model discloses a further improvement lies in: and a third sealing groove for fixing a third sealing ring is arranged on the interface piece.
The utility model discloses a further improvement lies in: the elastic stretchable sealing element comprises a corrugated pipe, one end of the corrugation is welded on an end plate, the end plate is fixed in the mounting groove, and the other end of the corrugated pipe is welded on a convex ring at the end part of the valve rod.
The utility model discloses a further improvement lies in: the valve rod is in threaded connection with the valve rod sleeve.
The utility model has the advantages that: the gas can be prevented from leaking from the gap between the valve rod and the valve rod mounting plate through the elastic stretchable sealing element, and the problem of gas leakage to the outside is effectively avoided. Through the first sealing washer on the step passageway and the second sealing washer on the case, when the valve is closed, form twice sealed, effective separation gas circulation realizes the inside seal of valve body.
The utility model has the advantages of simple structure and reasonable design, sealing performance is good, can effectively avoid gaseous outer the leaking, and when the valve was closed, can ensure to cut off gaseous circulation in the pipeline.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-valve body, 2-valve rod, 3-valve cap, 4-air inlet cylinder, 5-air outlet cylinder, 6-interface piece, 7-valve rod mounting plate, 8-valve core, 9-valve rod sleeve, 10-elastic tensile sealing piece, 11-pressure plate, 12-first sealing ring, 13-second sealing ring, 14-third sealing ring and 15-step channel.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the embodiments are only used for explaining the present invention, and do not limit the protection scope of the present invention.
As shown in figure 1, the utility model relates to a gas regulating valve, which comprises a valve body 1, a valve rod 2 and a valve cap 3, wherein an air inlet cylinder 4 and an air outlet cylinder 5 are respectively arranged at the upper end and the lower end of the valve body 1, interface pieces 6 communicated with a pipeline are respectively arranged at the free ends of the air inlet cylinder 4 and the air outlet cylinder 5, an air inlet cavity and an air outlet cavity are arranged on the valve body 1, the air inlet cavity and the air outlet cavity are communicated through a step channel 15, the air inlet cavity is communicated with an air inlet channel in the air inlet cylinder, the air outlet cavity is communicated with the air outlet cylinder 5, a valve rod mounting port is arranged on the valve body 1, a sealing plate extending inwards is arranged at the valve rod mounting port, a sealant filling groove for filling sealant is arranged on the sealing plate, the valve rod mounting plate 7 is welded and fixed on the valve body at the valve rod mounting plate 7, the valve rod 2 penetrates into the air outlet cavity, case 8 and step channel 15 cooperation, surface at valve rod mounting panel 7 is provided with valve rod sleeve pipe 9, valve rod sleeve pipe 9 and valve rod mounting panel 7 integrated into one piece, be provided with the mounting groove at valve rod sleeve pipe 9 terminal surface, the rotatable installation of the one end of elasticity sealing member 10 of can stretching is in the mounting groove, and it is fixed through clamp plate 11, clamp plate 11 passes through the screw fixation on the valve rod sleeve pipe 9 terminal surface in the mounting groove outside, the other end and the valve rod 2 of elasticity sealing member 10 of can stretching are connected, valve rod 2 and valve rod sleeve pipe 9 threaded connection, the rotatable setting of valve cap 3 is on valve rod sleeve pipe 9, valve cap 3 passes through the bolt fastening with valve rod 2.
A first seal groove is provided on a first step surface of the step passage 15, and a first seal ring 12 is provided in the seal groove. A second seal ring 13 is provided on the valve body 8. The inner diameter of the first sealing ring 12 is larger than that of the second sealing ring 13, the valve core 8 is in a step shape matched with the step channel 15, two step surfaces are arranged in the step channel 15, the second sealing ring 13 is in contact with the second step surface of the step channel 15 when the valve is closed, and the first sealing ring 12 is in contact with the step surfaces on the valve core 8 to achieve two sealing. A third seal groove for fixing the third seal ring 14 is provided in the mouthpiece 6. The utility model discloses an interface 6 and pipe connection, the third sealing washer 14 on the interface 6 can effectively avoid gaseous follow the utility model discloses and gap department between the pipeline leaks.
The elastic tensile seal 10 comprises a bellows, one end of which is welded to an end plate fixed in the mounting groove, the other end of which is welded to a bead at the end of the valve stem 2. Sealed through sealed glue between valve rod installing port and the valve rod mounting panel 7, and valve rod mounting panel 7 and valve body welded fastening, do not have the gap between valve rod installing port and the valve rod mounting panel 7, but elasticity tensile sealing member 10 sets up between valve rod 2 and valve rod sleeve 9, can avoid leaking the gas in the valve rod sleeve 9 from between valve rod 2 and the valve rod mounting panel 7 and leak in the air, effectively avoid gas to leak.
The utility model has the advantages of simple structure and reasonable design, sealing performance is good, can effectively avoid gaseous outer the leaking, and when the valve was closed, can ensure to cut off gaseous circulation in the pipeline.
Claims (6)
1. The utility model provides a gas regulating valve, includes valve body (1), valve rod (2) and valve cap (3), its characterized in that: the sealing valve is characterized in that an air inlet cylinder (4) and an air outlet cylinder (5) are respectively arranged at the upper end and the lower end of the valve body (1), the free ends of the air inlet cylinder (4) and the air outlet cylinder (5) are respectively provided with an interface piece (6) communicated with a pipeline, an air inlet cavity and an air outlet cavity are arranged on the valve body (1), the air inlet cavity and the air outlet cavity are communicated through a step channel (15), the air inlet cavity is communicated with an air inlet channel in the air inlet cylinder, the air outlet cavity is communicated with the air outlet cylinder (5), a valve rod mounting port is arranged on the valve body (1), a sealing plate extending inwards is arranged at the position of the valve rod mounting port, a sealing glue filling groove for filling sealing glue is arranged on the sealing plate, the valve rod mounting plate (7) is welded and fixed on the valve body, the valve rod (2) penetrates through a valve rod (2) perforation on the valve rod mounting plate (7) into, a valve core (8) is arranged at the end part of the valve rod (2) positioned in the air outlet cavity, the valve core (8) is matched with the step channel (15), a valve rod sleeve (9) is arranged on the outer surface of the valve rod mounting plate (7), the valve rod sleeve (9) and the valve rod mounting plate (7) are integrally formed, an installation groove is arranged on the end surface of the valve rod sleeve (9), one end of the elastic stretchable sealing element (10) is rotatably installed in the installation groove, and is fixed by a pressure plate (11), the pressure plate (11) is fixed on the end surface of the valve rod sleeve (9) outside the mounting groove by a screw, the other end of the elastic stretchable sealing member (10) is connected with the valve rod (2), the valve cap (3) is rotatably arranged on the valve rod sleeve (9), and the valve cap (3) and the valve rod (2) are fixed through bolts.
2. A gas regulating valve according to claim 1, wherein: a first sealing groove is formed in the first step surface of the step channel (15), and a first sealing ring (12) is arranged in the sealing groove.
3. A gas regulating valve according to claim 2, wherein: and a second sealing ring (13) is arranged on the valve core (8).
4. A gas regulating valve according to claim 1, wherein: and a third sealing groove for fixing a third sealing ring (14) is arranged on the interface piece (6).
5. A gas regulating valve according to any one of claims 1 to 4, characterized in that: the elastic stretchable sealing element (10) comprises a corrugated pipe, one end of the corrugated pipe is welded on an end plate, the end plate is fixed in the mounting groove, and the other end of the corrugated pipe is welded on a convex ring at the end part of the valve rod (2).
6. A gas regulating valve according to claim 5, wherein: the valve rod (2) is in threaded connection with the valve rod sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022412129.7U CN213479198U (en) | 2020-10-27 | 2020-10-27 | Gas regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022412129.7U CN213479198U (en) | 2020-10-27 | 2020-10-27 | Gas regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213479198U true CN213479198U (en) | 2021-06-18 |
Family
ID=76369642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022412129.7U Active CN213479198U (en) | 2020-10-27 | 2020-10-27 | Gas regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213479198U (en) |
-
2020
- 2020-10-27 CN CN202022412129.7U patent/CN213479198U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |