CN218094493U - Thread valve seal mounting structure - Google Patents
Thread valve seal mounting structure Download PDFInfo
- Publication number
- CN218094493U CN218094493U CN202221844691.XU CN202221844691U CN218094493U CN 218094493 U CN218094493 U CN 218094493U CN 202221844691 U CN202221844691 U CN 202221844691U CN 218094493 U CN218094493 U CN 218094493U
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- flange
- angle seat
- seat valve
- medium
- dead
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Abstract
The utility model discloses a screw valve door seal mounting structure, including the angle seat valve, the angle seat valve includes medium import and medium export, be provided with seal installation structure on medium import and the medium export respectively, seal installation structure includes loose flange, dead flange and joint, including keeping off ring and double-screw bolt on the joint, the center department of double-screw bolt is hollow structure, the double-screw bolt with medium import and/or medium export spiro union cooperation will loose flange fixed mounting be in medium import and/or the tip of medium export, dead flange fixed mounting is on outside pipeline, dead flange with through screw fixed connection between the loose flange. The application of the metal sealing gasket matched with the angle seat valve gasket enables the angle seat valve to have good sealing performance after being installed and between pipelines, and leakage cannot occur when media circulate. When the angle seat valve needs to be replaced, the operation is very convenient.
Description
Technical Field
The utility model belongs to the technical field of the valve seal, specifically threaded valve seals mounting structure.
Background
The angle seat valve is a pilot angle seat valve operated by a single-action pneumatic actuator with spring safety protection. The connecting end of the existing angle seat valve is a threaded valve, the existing threaded valve installation mode is that the connecting end is directly installed on a pipeline through threads, when the pipelines on two sides of the angle seat valve are fixed pipelines, the angle seat valve is inconvenient to replace after being damaged, and the phenomenon of leakage is easy to occur at the threaded connection position.
SUMMERY OF THE UTILITY MODEL
In order to compensate for the defects of the prior art, the utility model provides a simple to operate's threaded valve seals mounting structure's technical scheme.
The threaded valve sealing installation structure comprises an angle seat valve, the angle seat valve comprises a medium inlet and a medium outlet, the medium inlet and the medium outlet are respectively provided with a sealing installation structure, the sealing installation structure comprises a movable flange, a dead flange and a joint, the joint comprises a baffle ring and a stud, the center of the stud is of a hollow structure, the stud is matched with the medium inlet and/or the medium outlet in a screwed mode, the movable flange is limited at the end part of the medium inlet and/or the medium outlet, the dead flange is fixedly installed on an external pipeline, and the dead flange is fixedly connected with the movable flange through screws.
Furthermore, a groove is formed in the end face of the outer side of the movable flange, and the baffle ring is limited in the groove after installation.
Furthermore, an angle seat valve gasket is sleeved on the stud and arranged at the joint of the stud and the medium inlet and/or the medium outlet.
Furthermore, a sealing groove is formed in one end, matched with the movable flange, of the dead flange, and a metal sealing gasket is arranged in the sealing groove in a clamping mode.
Furthermore, mounting holes are formed in the movable flange and the fixed flange, multiple groups of mounting holes are formed in the mounting holes, and the movable flange and the fixed flange are annularly and uniformly distributed on the circumferential surface.
Furthermore, the screw penetrates through the mounting hole and is locked and fixed through a nut.
Compared with the prior art, the utility model discloses there is following advantage:
through the cooperation of dead flange and loose flange, can install the angle seat valve in the pipeline fast to simple to operate only needs to use screw cooperation nut, will die flange and loose flange connection can. And the junction of the dead flange and the movable flange is provided with a metal sealing gasket, the junction of the joint and the movable flange is provided with an angle seat valve gasket, and the metal sealing gasket is matched with the angle seat valve gasket, so that the angle seat valve has good sealing performance with the pipeline after being installed, and the medium cannot leak when circulating. When the angle seat valve needs to be replaced, the operation is very convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention.
Fig. 1 a dead flange; 101, a sealing groove; 2, connecting a joint; 201, a baffle ring; 202 a stud; 3 an angle seat valve gasket; 4, a movable flange; 401, a groove; 5 an angle seat valve; 501, a medium inlet; 502 medium outlet.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in the figure, the sealing installation structure of the threaded valve comprises an angle seat valve 5, the angle seat valve 5 comprises a medium inlet 501 and a medium outlet 502, the medium inlet 501 and the medium outlet 502 are respectively provided with a sealing installation structure, the sealing installation structure comprises a movable flange 4, a dead flange 1 and a joint 2, the joint 2 comprises a retaining ring 201 and a stud 202, the center of the stud 202 is of a hollow structure, the stud 202 is in threaded fit with the medium inlet 501 and/or the medium outlet 502, the movable flange 4 is fixedly installed at the end of the medium inlet 501 and/or the medium outlet 502, the dead flange 1 is fixedly installed on an external pipeline, and the dead flange 1 is fixedly connected with the movable flange 4 through screws. The movable flange 4 and the dead flange 1 are respectively provided with a mounting hole, the mounting holes are provided with a plurality of groups, and the movable flange 4 and the dead flange 1 are annularly and uniformly distributed on the circumferential surface. And after the screw penetrates through the mounting hole, the screw is locked and fixed through a nut.
The outer end face of the movable flange 4 is provided with a groove 401, and the baffle ring 201 is limited in the groove 401 after installation. The double-screw bolt is characterized in that an angle seat valve gasket 3 is sleeved on the double-screw bolt 202, and the angle seat valve gasket 3 is arranged at the joint of the double-screw bolt and a medium inlet 501 and/or a medium outlet 502. One end of the dead flange 1 matched with the movable flange 4 is provided with a sealing groove 101, and a metal sealing gasket is arranged in the sealing groove in a clamping mode.
The stud part of the joint 2 is provided with a step structure, a first step 203 is arranged close to the baffle ring 201, and a second step 204 with slightly smaller diameter is arranged above the first step. The movable flange is sleeved on the first-stage step, the angle seat valve gasket 3 is sleeved on the second-stage step, and the movable flange is limited between the retaining ring 201 and the threaded valve of the medium inlet or outlet through the threaded matching of the second-stage step and the medium inlet or outlet. A limiting groove is formed in the joint of the first-stage step and the second-stage step, and the angle seat valve gasket 3 is arranged in the limiting groove.
Two ends of the angle seat valve 5 are respectively connected with a pipeline, the dead flange 1 is fixedly arranged on the feeding pipe and the discharging pipe in a welding mode and then is connected with the movable flange 4 arranged on the medium inlet/outlet of the angle seat valve in a flange mode, and a metal sealing gasket is arranged between the dead flange 1 and the movable flange 4 and used for strengthening sealing between flange connection. The joint 2 and the angle seat valve 5 are sealed through an angle seat valve gasket 3, and the joint 2 is connected with the medium inlet/outlet through threads by rotating the joint 2 until the joint is screwed down. And the angle seat valve gasket 3 and the angle seat valve 5 are screwed tightly under the action of the joint, so that the sealing effect and the size are consistent, and the same is true at the other end. After the two ends are installed, the sizes of the end faces of the angle seat valve joints 2 at the two ends are guaranteed to be consistent, and the angle seat valve is convenient to replace.
During the use, through the cooperation of dying flange and loose flange, can install the angle seat valve in the pipeline fast to simple to operate only needs to use screw cooperation nut, will die flange and loose flange joint can. And the junction of the dead flange and the movable flange is provided with a metal sealing gasket, the junction of the joint and the movable flange is provided with an angle seat valve gasket, and the metal sealing gasket is matched with the angle seat valve gasket, so that the angle seat valve has good sealing performance with the pipeline after being installed, and the medium cannot leak when circulating. When the angle seat valve needs to be replaced, the operation is very convenient. The design can be designed into the fixed length and the size according to the pipeline requirement, and the flange connection is installed on the pipeline, so that the flange connection is convenient to install and detach, the leakage phenomenon is avoided, and the pipeline is firm and reliable.
Claims (6)
1. The threaded valve sealing installation structure is characterized by comprising an angle seat valve (5), wherein the angle seat valve (5) comprises a medium inlet (501) and a medium outlet (502), the medium inlet (501) and the medium outlet (502) are respectively provided with a sealing installation structure, the sealing installation structure comprises a movable flange (4), a dead flange (1) and a joint (2), the joint (2) comprises a baffle ring (201) and a stud (202), the center of the stud (202) is of a hollow structure, the stud (202) is in threaded fit with the medium inlet (501) and/or the medium outlet (502), the movable flange (4) is limited at the end part of the medium inlet (501) and/or the medium outlet (502), the dead flange (1) is fixedly installed on an external pipeline, and the dead flange (1) is fixedly connected with the movable flange (4) through screws.
2. Threaded valve seal mounting structure according to claim 1, characterized in that the outer end face of the movable flange (4) is provided with a groove (401), and the retainer ring (201) is retained in the groove (401) after mounting.
3. The threaded valve seal mounting structure according to claim 1, wherein an angle seat valve gasket (3) is sleeved on the stud (202), and the angle seat valve gasket (3) is arranged at the connection position of the stud and the medium inlet (501) and/or the medium outlet (502).
4. The threaded valve seal mounting structure according to claim 1, wherein a sealing groove (101) is arranged at one end of the dead flange (1) matched with the movable flange (4), and a metal sealing gasket is clamped in the sealing groove.
5. The threaded valve seal mounting structure according to claim 1, wherein the movable flange (4) and the fixed flange (1) are provided with mounting holes, and the mounting holes are provided with a plurality of groups and annularly and uniformly distributed on the circumferential surfaces of the movable flange (4) and the fixed flange (1).
6. The threaded valve seal mounting structure of claim 5, wherein said bolt is fastened by a nut after passing through said mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221844691.XU CN218094493U (en) | 2022-07-18 | 2022-07-18 | Thread valve seal mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221844691.XU CN218094493U (en) | 2022-07-18 | 2022-07-18 | Thread valve seal mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094493U true CN218094493U (en) | 2022-12-20 |
Family
ID=84480520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221844691.XU Active CN218094493U (en) | 2022-07-18 | 2022-07-18 | Thread valve seal mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094493U (en) |
-
2022
- 2022-07-18 CN CN202221844691.XU patent/CN218094493U/en active Active
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