CN219317746U - Flange ball valve mechanical seal structure - Google Patents
Flange ball valve mechanical seal structure Download PDFInfo
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- CN219317746U CN219317746U CN202223446890.8U CN202223446890U CN219317746U CN 219317746 U CN219317746 U CN 219317746U CN 202223446890 U CN202223446890 U CN 202223446890U CN 219317746 U CN219317746 U CN 219317746U
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- flange ball
- ball valve
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Abstract
The utility model relates to the technical field of flange ball valve sealing, and particularly discloses a flange ball valve mechanical sealing structure, which comprises the following components: the device comprises a right valve body, a left valve body and a right valve body, wherein one end of the right valve body is provided with a groove and a second groove, the outer side surface of the left valve body is provided with a fixed plate, and the end surface of the left valve body is provided with a pressing plate and a second pressing plate; the beneficial effects are as follows: when the flange ball valve mechanical seal structure is used, the left valve body is clamped in the right valve body, the sealing gasket in the right valve body is extruded and sealed by the pressing plate of the left valve body, then the left valve body and the right valve body are fixed by the rotating bolts, and after the fixing is finished, the sealing plate is clamped in the sealing groove for secondary sealing, so that the integral sealing performance is improved, the condition that the sealing gasket is only singly used for sealing when the common flange ball valve is sealed is avoided, and when the service time of the flange ball valve is longer, the sealing gasket is singly aged, and the leakage problem of the flange ball valve possibly occurs.
Description
Technical Field
The utility model relates to the technical field of flange ball valve sealing, in particular to a flange ball valve mechanical sealing structure.
Background
The flange ball valve and the gate valve are the same type of valve, the difference is that the closing member is a sphere, the sphere rotates around the axis of the valve body to achieve the opening and closing of the valve, the flange ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and flanges are fixedly arranged at two ends of the flange ball valve, so that the flange ball valve is convenient to fixedly install.
In the prior art, in order to seal between the flange ball valves, prevent that the flange ball valves from leaking when using, can be provided with sealed pad and seal it.
However, when the common flange ball valve is sealed, only a single sealing gasket is adopted for sealing, and when the service time of the flange ball valve is long, the single sealing gasket can age, so that the leakage problem of the flange ball valve can be caused.
Disclosure of Invention
The utility model aims to provide a flange ball valve mechanical sealing structure which solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a flange ball valve mechanical seal structure, the flange ball valve mechanical seal structure comprising: the right valve body is provided with a groove and a second groove at one end, a positioning plate is arranged on the outer side surface of the right valve body, a sealing groove is arranged on the side surface of the right valve body, and a sealing plate is arranged in the sealing groove;
the left valve body, left valve body lateral surface is provided with the fixed plate, is provided with the second bolt in the fixed plate, and second bolt surface cover is equipped with the spring, and left valve body terminal surface is provided with clamp plate and second clamp plate.
Preferably, sealing gaskets are arranged in the groove and the second groove, the sealing gaskets are of annular plate-shaped structures, and the sealing gaskets are fixedly connected inside the groove and the second groove.
Preferably, the sealing plate is made of elastic material, and the sealing plate is tightly fastened by bolts.
Preferably, the fixed plate is of a square plate-shaped structure, two groups of fixed plates are arranged, and the two groups of fixed plates are symmetrically distributed relative to the left valve body.
Preferably, one end of the spring is fixedly connected to the side face of the fixing plate, two groups of springs are arranged, and the two groups of springs are symmetrically distributed about the left valve body.
Preferably, the pressing plate and the second pressing plate are of annular plate-shaped structures, and the pressing plate and the second pressing plate are just clamped in the groove and the second groove.
Preferably, the locating plate is of a square plate-shaped structure, two groups of locating plates are arranged, and the two groups of locating plates are symmetrically distributed relative to the right valve body.
Compared with the prior art, the utility model has the beneficial effects that:
when the flange ball valve mechanical seal structure is used, the left valve body is clamped in the right valve body, the sealing gasket in the right valve body is extruded and sealed by the pressing plate of the left valve body, then the left valve body and the right valve body are fixed by the rotating bolts, and after the fixing is finished, the sealing plate is clamped in the sealing groove for secondary sealing, so that the integral sealing performance is improved, the condition that the sealing gasket is only singly used for sealing when the common flange ball valve is sealed is avoided, and when the service time of the flange ball valve is longer, the sealing gasket is singly aged, and the leakage problem of the flange ball valve possibly occurs.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the right valve body of the present utility model;
FIG. 3 is an enlarged view of the structure of area A in FIG. 2 according to the present utility model;
fig. 4 is a schematic view of the left valve body of the structure of the present utility model.
In the figure: 1. a right valve body; 2. a groove; 3. a second groove; 4. a positioning plate; 5. sealing grooves; 6. a sealing plate; 7. a left valve body; 8. a fixing plate; 9. a second bolt; 10. a spring; 11. a pressing plate; 12. a second pressing plate; 13. a sealing gasket; 14. and (5) a bolt.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: a flange ball valve mechanical seal structure, the flange ball valve mechanical seal structure comprising: the device comprises a right valve body 1, wherein a groove 2 and a second groove 3 are formed in one end of the right valve body 1, a positioning plate 4 is arranged on the outer side surface of the right valve body 1, a sealing groove 5 is formed in the side surface of the right valve body 1, and a sealing plate 6 is arranged in the sealing groove 5; the left valve body 7, the outer lateral surface of the left valve body 7 is provided with a fixed plate 8, a second bolt 9 is arranged in the fixed plate 8, a spring 10 is sleeved on the surface of the second bolt 9, and the end surface of the left valve body 7 is provided with a pressing plate 11 and a second pressing plate 12;
when the sealing device is used, the left valve body 7 is clamped in the right valve body 1, the sealing gasket 13 in the right valve body 1 is extruded and sealed by the pressing plate 11 of the left valve body 7, then the left valve body 7 and the right valve body 1 are fixed by rotating the bolt 14, and after the fixing is finished, the sealing plate 6 is clamped in the sealing groove 5 for secondary sealing, so that the overall sealing performance is improved.
Example two
On the basis of the first embodiment, the fixing plate 8 is arranged, the fixing plate 8 is in a square plate-shaped structure, two groups of fixing plates 8 are symmetrically distributed about the left valve body 7, one end of the spring 10 is fixedly connected to the side surface of the fixing plate 8, two groups of springs 10 are symmetrically distributed about the left valve body 7, the positioning plate 4 is in a square plate-shaped structure, two groups of positioning plates 4 are symmetrically distributed about the right valve body 1, the sealing plate 6 is made of elastic materials, and the sealing plate 6 is tightly fastened by bolts 14;
during the use, utilize second bolt 9 to fix left valve body 7 and right valve body 1, the inseparable stability of second bolt 9 connection can be improved to the spring 10 that second bolt 9 surface set up, then establishes sealing plate 6 cover in the seal groove 5 that left valve body 7 and right valve body 1 surface were seted up, can carry out the sealed effect of certain degree to the clearance of left valve body 7 and right valve body 1 junction like this, has improved the whole leakproofness of left valve body 7 and right valve body 1.
Example III
The second embodiment is characterized in that a groove 2 is formed, sealing gaskets 13 are arranged in the groove 2 and the second groove 3, the sealing gaskets 13 are of annular plate-shaped structures, the sealing gaskets 13 are fixedly connected inside the groove 2 and the second groove 3, a pressing plate 11 and a second pressing plate 12 are of annular plate-shaped structures, and the pressing plate 11 and the second pressing plate 12 are just clamped in the groove 2 and the second groove 3;
when the sealing device is used, the sealing gaskets 13 in the grooves 2 and the second grooves 3 are extruded by the pressing plate 11 and the second pressing plate 12, so that the tightness of the connection between the left valve body 7 and the right valve body 1 can be improved, the sealing effect can be greatly improved through the arrangement of the two groups of sealing gaskets 13, and the service life is prolonged.
During actual use, first the left valve body 7 is clamped into the right valve body 1, the pressing plate 11 of the left valve body 7 is utilized to press and seal the sealing gasket 13 in the right valve body 1, then the bolt 14 is rotated to fix the left valve body 7 and the right valve body 1, after the fixing is finished, the sealing gasket 13 is only singly adopted to seal when the sealing gasket 6 is clamped into the sealing groove 5 to improve the overall sealing performance, the second bolt 9 is utilized to fix the left valve body 7 and the right valve body 1, the spring 10 arranged on the surface of the second bolt 9 can improve the tight stability of the connection of the second bolt 9, then the sealing plate 6 is sleeved in the sealing groove 5 arranged on the surface of the left valve body 7 and the right valve body 1, so that the clearance at the joint of the left valve body 7 and the right valve body 1 can be sealed to a certain extent, the overall sealing performance of the left valve body 7 and the right valve body 1 is improved, the overall design avoids that the sealing gasket 13 is singly adopted to seal when the flange ball valve is sealed, and the sealing gasket 13 singly appears when the service time of the flange ball valve is longer, and the flange ball valve is sealed possibly to cause leakage problem.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A flange ball valve mechanical seal structure which characterized in that: the flange ball valve mechanical seal structure includes: the device comprises a right valve body (1), wherein a groove (2) and a second groove (3) are formed in one end of the right valve body (1), a positioning plate (4) is arranged on the outer side surface of the right valve body (1), a sealing groove (5) is formed in the side surface of the right valve body (1), and a sealing plate (6) is arranged in the sealing groove (5);
the valve comprises a left valve body (7), wherein a fixing plate (8) is arranged on the outer side face of the left valve body (7), a second bolt (9) is arranged in the fixing plate (8), a spring (10) is sleeved on the surface of the second bolt (9), and a pressing plate (11) and a second pressing plate (12) are arranged on the end face of the left valve body (7).
2. The flange ball valve mechanical seal structure according to claim 1, wherein: sealing gaskets (13) are arranged in the grooves (2) and the second grooves (3), the sealing gaskets (13) are of annular plate-shaped structures, and the sealing gaskets (13) are fixedly connected inside the grooves (2) and the second grooves (3).
3. The flange ball valve mechanical seal structure according to claim 2, wherein: the sealing plate (6) is made of elastic materials, and the sealing plate (6) is tightly fastened by bolts (14).
4. A flange ball valve mechanical seal structure according to claim 3, wherein: the fixed plates (8) are of square plate-shaped structures, two groups of fixed plates (8) are arranged, and the two groups of fixed plates (8) are symmetrically distributed relative to the left valve body (7).
5. The flange ball valve mechanical seal structure according to claim 4, wherein: one end of the spring (10) is fixedly connected to the side face of the fixed plate (8), two groups of springs (10) are arranged, and the two groups of springs (10) are symmetrically distributed relative to the left valve body (7).
6. The flange ball valve mechanical seal structure according to claim 5, wherein: the pressing plate (11) and the second pressing plate (12) are of annular plate-shaped structures, and the pressing plate (11) and the second pressing plate (12) are just clamped in the groove (2) and the second groove (3).
7. The flange ball valve mechanical seal structure according to claim 6, wherein: the positioning plates (4) are of square plate-shaped structures, two groups of positioning plates (4) are arranged, and the two groups of positioning plates (4) are symmetrically distributed relative to the right valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223446890.8U CN219317746U (en) | 2022-12-22 | 2022-12-22 | Flange ball valve mechanical seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223446890.8U CN219317746U (en) | 2022-12-22 | 2022-12-22 | Flange ball valve mechanical seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317746U true CN219317746U (en) | 2023-07-07 |
Family
ID=87029016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223446890.8U Active CN219317746U (en) | 2022-12-22 | 2022-12-22 | Flange ball valve mechanical seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317746U (en) |
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2022
- 2022-12-22 CN CN202223446890.8U patent/CN219317746U/en active Active
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