CN117267389A - Sealing structure suitable for multiple valve seeds - Google Patents
Sealing structure suitable for multiple valve seeds Download PDFInfo
- Publication number
- CN117267389A CN117267389A CN202210664925.0A CN202210664925A CN117267389A CN 117267389 A CN117267389 A CN 117267389A CN 202210664925 A CN202210664925 A CN 202210664925A CN 117267389 A CN117267389 A CN 117267389A
- Authority
- CN
- China
- Prior art keywords
- positioning
- base body
- sealing
- screw
- multiple valve
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 64
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0668—Single packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Lift Valve (AREA)
Abstract
The invention belongs to a valve, and particularly relates to a sealing structure suitable for multiple valve types. The sealing structure suitable for multiple valve types comprises a base body, wherein a pressing ring is arranged on the base body, and the pressing ring is fixed on the base body through a screw. Compared with the prior art, the invention has the following beneficial effects: the sealing structure suitable for multiple valve types can meet the requirement that the sealing structures of the soft sealing butterfly valve, the soft sealing axial flow type check valve, the soft sealing eccentric half ball valve and the like are identical in type, the same caliber and the same pressure sealing structure are identical in size, and the maintenance cost and the maintenance period are greatly reduced.
Description
Technical Field
The invention belongs to a valve, and particularly relates to a sealing structure suitable for multiple valve types.
Background
The soft sealing valves in the water conveying pipeline are various, and the soft sealing valves are usually soft sealing butterfly valves, soft sealing axial flow type check valves, soft sealing eccentric half ball valves and the like, so that once the sealing rings are damaged in the use process, the soft sealing valves need to be maintained or replaced, and great inconvenience is brought to maintenance work due to different sealing structures of the valves.
In order to solve the problems, the invention provides a sealing structure suitable for multiple valve types.
Disclosure of Invention
The invention provides a sealing structure suitable for multiple valve types. The valve is suitable for soft sealing butterfly valves, soft sealing axial flow type check valves and soft sealing eccentric half ball valves, and the maintenance cost and maintenance period of the valve are greatly reduced.
The specific technical scheme adopted by the invention is as follows: the sealing structure suitable for multiple valve types comprises a base body, wherein a pressing ring is arranged on the base body, and the pressing ring is fixed on the base body through a screw.
The sealing structure suitable for multiple valve types is provided, wherein a sealing ring is arranged between the pressing ring and the base body.
The sealing structure suitable for the multi-valve seeds comprises a positioning screw, wherein the positioning screw is used for positioning between the pressing ring and the base body.
The sealing structure suitable for the multi-valve seeds is characterized in that the base body is provided with the positioning steps, and the threaded holes and the positioning grooves are respectively formed in different steps of the positioning steps.
The sealing structure suitable for the multi-valve type is characterized in that the edge of the sealing ring is provided with the step, wherein the upper part is provided with the upper step, and the lower part is provided with the lower step.
The sealing structure suitable for the multi-valve seeds is characterized in that the inner wall of the pressing ring is provided with the inner step, and the pressing ring is respectively provided with the screw hole, the threaded hole and the positioning hole.
The sealing structure suitable for multiple valve types is disclosed, wherein the positioning groove on the base body is matched with the step on the sealing ring; a positioning step matched with the positioning hole of the pressing ring; the threaded hole is matched with the screw.
The sealing structure suitable for multiple valve types is characterized in that the upper step of the sealing ring is matched with the positioning groove on the base body; the lower step is matched with the positioning step in the pressing ring.
The sealing structure suitable for multiple valve types is disclosed, wherein the inner step on the pressing ring is matched with the lower step of the sealing ring; the screw holes are matched with the screws; the threaded hole is matched with the positioning screw; the positioning hole is matched with the positioning step of the base body.
Compared with the prior art, the invention has the following beneficial effects: the sealing structure suitable for multiple valve types can meet the requirement that the sealing structures of the soft sealing butterfly valve, the soft sealing axial flow type check valve, the soft sealing eccentric half ball valve and the like are identical in type, the same caliber and the same pressure sealing structure are identical in size, and the maintenance cost and the maintenance period are greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a multi-valve seal.
FIG. 2 is a schematic diagram of a substrate.
FIG. 3 is a schematic diagram of a seal ring.
Fig. 4 is a schematic view of a press ring.
In the figure: 1. the device comprises a base body, 11, a positioning groove, 12, a positioning step, 13 and a threaded hole; 2. the sealing ring, 21, the upper step, 22, the lower step; 3. the pressing ring is 31, the inner step is 32, the screw hole is 33, the screw hole is 34 and the positioning hole is formed; 4. screw, 5, set screw.
Detailed Description
The invention is further described below with reference to the drawings and examples.
The invention relates to a sealing structure suitable for multiple valve types. As shown in fig. 1, the sealing device comprises a base body 1, a sealing ring 2, a pressing ring 3, a screw 4 and a positioning screw 5.
As shown in fig. 1, the sealing structure suitable for multiple valve types is provided with the sealing ring 2 on the base body 1, the pressing ring 3 is arranged on the sealing ring 2, the screw 4 is connected with the threaded hole 13 on the base body 1 through the screw hole 32 matched with the pressing ring 3, the sealing ring 2 is pressed by pressing the pressing ring 3, and the positioning screw 5 is arranged on the pressing ring 3 to jointly form the base body assembly 1.
As shown in fig. 2, a positioning groove 11 is arranged on a base 1 and is matched with a step 21 on a sealing ring; a positioning step 12 is arranged and matched with a positioning hole 34 of the pressing ring 3; a threaded hole 13 is provided, which mates with the screw 4.
As shown in fig. 3, the sealing ring 2 is provided with an upper step 21 which is matched with the positioning groove 11 on the base body 1; a lower step 22 is provided and the positioning step 31 in the clamping ring 3 is matched.
As shown in fig. 4, the pressing ring 3 is provided with an inner step 31 which is matched with the lower step 22 of the sealing ring 2; screw holes 32 are arranged and matched with the screws 4; a threaded hole 33 is arranged and matched with the positioning screw 5; positioning holes 34 are arranged and matched with the positioning steps 12 of the base body 1.
Maintenance is achieved as follows: under the condition of maintenance, when the sealing ring 2 needs to be replaced, the positioning screw 5 is detached successively, the screw 4 is detached, the pressing ring 3 and the sealing ring 2 are detached, and a new sealing ring 2 is replaced; and installing an upper pressing ring 3, a screw 4 and a positioning screw 5, and completing maintenance work.
Claims (9)
1. Sealing structure suitable for multiple valve species, its characterized in that: comprises a base body (1), wherein a pressing ring (3) is arranged on the base body (1), and the pressing ring (3) is fixed on the base body (1) through a screw (4).
2. A seal structure for use in multiple valve applications as defined in claim 1, wherein: a sealing ring (2) is arranged between the pressing ring (3) and the base body (1).
3. A seal structure for use in multiple valve applications as defined in claim 2, wherein: the device also comprises a positioning screw (5), wherein the positioning screw (5) is used for positioning between the pressing ring (3) and the base body (1).
4. A seal structure for use in multiple valve applications as defined in claim 3, wherein: the base body (1) is provided with a positioning step (12), and threaded holes (13) and positioning grooves (11) are respectively arranged on different steps of the positioning step (12).
5. A seal structure for use in multiple valve applications as defined in claim 4, wherein: the edge of the sealing ring (2) is provided with a step, wherein the upper part is provided with an upper step (21), and the lower part is provided with a lower step (22).
6. A seal structure for use in multiple valve applications as defined in claim 5, wherein: an inner step (31) is arranged on the inner wall of the pressing ring (3), and a screw hole (32), a screw hole (33) and a positioning hole (34) are respectively formed in the pressing ring (3).
7. A seal structure for use in multiple valve applications as defined in claim 6, wherein: the positioning groove (11) on the base body (1) is matched with the upper step (21) of the sealing ring; a positioning step (12) which is matched with a positioning hole (34) of the pressing ring (3); the threaded hole (13) is matched with the screw (4).
8. A seal structure for use in multiple valve applications as defined in claim 7, wherein: the upper step (21) of the sealing ring (2) is matched with the positioning groove (11) on the base body (1); the lower step (22) is matched with a positioning step (31) in the pressing ring (3).
9. A seal structure for use in multiple valve applications as defined in claim 8, wherein: an inner step (31) on the pressing ring (3) is matched with a lower step (22) of the sealing ring (2); the screw hole (32) is matched with the screw (4); the threaded hole (33) is matched with the positioning screw (5); the positioning hole (34) is matched with the positioning step (12) of the base body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210664925.0A CN117267389A (en) | 2022-06-13 | 2022-06-13 | Sealing structure suitable for multiple valve seeds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210664925.0A CN117267389A (en) | 2022-06-13 | 2022-06-13 | Sealing structure suitable for multiple valve seeds |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117267389A true CN117267389A (en) | 2023-12-22 |
Family
ID=89203172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210664925.0A Pending CN117267389A (en) | 2022-06-13 | 2022-06-13 | Sealing structure suitable for multiple valve seeds |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117267389A (en) |
-
2022
- 2022-06-13 CN CN202210664925.0A patent/CN117267389A/en active Pending
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