CN219413592U - Adjustable structure of metal seal ball valve seat - Google Patents
Adjustable structure of metal seal ball valve seat Download PDFInfo
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- CN219413592U CN219413592U CN202320321200.1U CN202320321200U CN219413592U CN 219413592 U CN219413592 U CN 219413592U CN 202320321200 U CN202320321200 U CN 202320321200U CN 219413592 U CN219413592 U CN 219413592U
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- valve
- seat
- adjusting screw
- valve seat
- adjustable structure
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Abstract
The utility model relates to an adjustable structure of a valve seat of a metal seal ball valve, which comprises a valve body, two valve seats, a ball body and an adjusting screw, wherein one end of the valve body 1 is in press connection with a connecting seat of an I-shaped structure, a stepped groove is formed in the inner wall of the valve body, the two valve seats are in press connection with the valve body, the valve body is in elastic press connection with the valve seat, a first belleville spring is in press connection with the stepped groove and the valve seat, the ball body is in press connection with the two valve seats, an annular boss is arranged at the position, close to the outer wall of the valve body, of the connecting seat, threaded holes are uniformly distributed in the circumference, the adjusting screw is screwed on the connecting seat, and the threaded holes are in adjustable connection with the adjusting screw. The adjustable structure of the metal sealing ball valve seat has the advantages of being convenient to adjust, beneficial to maintenance, improving efficiency, improving strength and the like.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to an adjustable structure of a valve seat of a metal seal ball valve.
Background
At present, in the medium working condition containing solid particles, metal sealing is the preferred sealing mode, the biggest difficulty of the metal sealing ball valve is that the valve seat and the ball body are manufactured and assembled, the valve is too tightly assembled, and though the valve does not leak, the torque is too large, so that the valve cannot be normally opened or closed, and if the valve is loosely assembled, the torque is light, the valve is convenient to open or close, but the sealing performance of the valve cannot meet the requirements.
For this reason we have developed an adjustable structure for the valve seat of a metal seal ball valve to solve the above problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an adjustable structure of a valve seat of a metal seal ball valve, which has the advantages of convenience in adjustment, convenience in maintenance, efficiency improvement, strength improvement and the like.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a metal seal ball valve disk seat adjustable structure, includes a valve body, the one end crimping connecting seat of valve body, the connecting seat with a plurality of disk seats of crimping between the valve body, the valve body with one elastic crimping between the disk seat, two crimping spheroid between the disk seat, the connecting seat has connect adjusting screw soon, adjusting screw adjusts the disk seat with clearance between the spheroid, then adjusting screw with connecting seat fixed connection.
Preferably, the connecting seat is provided with an annular boss, the boss is provided with threaded holes uniformly distributed on the circumference, and the threaded holes are in adjustable connection with the adjusting screws.
Preferably, the connecting seat is provided with a vertical ring groove near the valve seat, one end of the adjusting screw is provided with a first polish rod, and the first polish rod passes through the ring groove and is abutted with the valve seat.
Preferably, the adjusting screw is provided with an external thread near the first polish rod, and the external thread is adjustably connected with the threaded hole.
Preferably, a second polish rod is arranged at one end, close to the external thread, of the adjusting screw, and the second polish rod is fixedly connected with the boss.
Preferably, a cylindrical head is arranged at one end of the adjusting screw, and an inner hexagon structure is arranged at the center of the cylindrical head.
Preferably, the valve seat is provided with an annular cambered surface, the sphere is provided with a spherical surface, and the cambered surface is in compression joint with the spherical surface.
Preferably, a stepped groove is formed in the inner wall of the valve body, and a first belleville spring is crimped between the stepped groove and the valve seat.
Preferably, an arc-shaped bottom groove is formed in the top end of the sphere, and the arc-shaped bottom groove is connected to the valve rod.
Preferably, the valve stem is crimped through the valve cap and crimped through the second belleville spring.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the adjustable structure of the valve seat of the metal sealing ball valve, disclosed by the utility model, the device for adjusting the gap between the valve seat and the ball body in the assembly process is convenient to maintain and improves the working efficiency, and the whole valve is not required to be disassembled when the valve is leaked or the torque is overlarge; the first belleville spring and the adjusting screw are used, so that the valve seat and the ball body can be conveniently adjusted; the polished rod is set to adjusting screw's pole portion both ends, is convenient for butt or welding, improves welding strength, and the adjusting screw in the interior connecting seat boss of hexagon socket head cap structure convenience is horizontal adjusts.
Drawings
FIG. 1 is a schematic diagram of the structure of the valve seat adjustable structure of the metal seal ball valve.
Fig. 2 is an enlarged view of the utility model at a in fig. 1.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
In fig. 1 to 2, an adjustable valve seat structure of a metal seal ball valve comprises a valve body 1, two valve seats 2, a ball 4 and an adjusting screw 3. One end of the valve body 1 is in compression joint with a connecting seat 10 with an I-shaped structure, a stepped groove 15 is formed in the inner wall of the valve body 1, two valve seats 2 are in compression joint between the connecting seat 10 and the valve body 1, and the valve body 1 and one valve seat 2 are in elastic compression joint, namely, a first belleville spring 40 is in compression joint between the stepped groove 15 and the valve seat 2. A sphere 4 is pressed between the two valve seats 2, an annular boss 101 is arranged at the position, close to the outer wall of the valve body 1, of the connecting seat 10, threaded holes 11 are uniformly distributed in the circumference of the boss 101, the number of the threaded holes 11 is preferably 4, the connecting seat 10 is screwed with the adjusting screw 3, and the threaded holes 11 are in adjustable connection with the adjusting screw 3.
The adjusting screw 3 adjusts the gap between the valve seat 2 and the ball 4, and then the adjusting screw 3 is fixedly connected with the connecting seat 10. The adjusting screw 3 is sequentially provided with a cylindrical head 31, a second polished rod 32, an external thread 33 and a first polished rod 35, namely, one end of the adjusting screw 3 is provided with the first polished rod 35, the other end of the adjusting screw 3 is provided with the cylindrical head 31, the position, close to the first polished rod 35, of the adjusting screw 3 is provided with the external thread 33, and one end, close to the external thread 33, of the adjusting screw 3 is provided with the second polished rod 32. The connecting seat 10 is provided with a vertical annular groove 12 near the valve seat 2, so that the first polished rod 35 is conveniently abutted to the valve seat 2 and adjusted, the first polished rod 35 penetrates through the annular groove 12, and the first polished rod 35 is abutted to the valve seat 2. The external thread 33 is adjustably connected with the threaded hole 11. The second polish rod 32 is fixedly connected with the boss 101.
A socket head cap structure 311 is provided at the center of the cylindrical head cap 31. The inner hexagon structure 311 is convenient for the inner hexagon spanner to carry out tightness adjustment on the surface of the connecting seat 10 of the I-shaped structure.
The ball 4 is provided with a spherical surface 41, the top end of the ball 4 is provided with an arc-shaped bottom groove 45, the valve seat 2 is provided with an annular arc surface 21, and the arc surface 21 is in compression joint with the spherical surface 41. The gap between the cambered surface 21 and the spherical surface 41 is adjusted by the adjusting screw 3. The valve rod 50 is in compression joint through the valve cover, the valve rod 50 is in sealing compression joint through the valve cover by the second belleville spring 51, and the arc-shaped bottom groove 45 is spliced with the bottom end of the valve rod 50.
The valve seat 2 is installed in the valve body 1 and then is installed in the ball body 4, the adjusting screw 3 is screwed in the valve body 1, the valve seat 2 at the water outlet is in compression joint through the first belleville spring 40, the valve seat 2 at the water inlet is in butt joint with the first polished rod 35, the adjusting screw 1 is adjusted to enable the ball body 4 to be tightly attached to the valve seat 2, then the whole valve is tested, the adjusting screw 1 is adjusted again according to a test result, and after the requirements are met, the second polished rod 32 of the adjusting screw is welded and fixed with the boss 101 of the valve body.
The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.
Claims (10)
1. A metal seal ball valve disk seat adjustable structure, its characterized in that: including a valve body (1), one end crimping connecting seat (10) of valve body (1), connecting seat (10) with a plurality of disk seats (2) of crimping between valve body (1), valve body (1) with one elasticity crimping between disk seat (2), two crimping spheroid (4) between disk seat (2), connecting seat (10) has connect adjusting screw (3) soon, adjusting screw (3) adjust disk seat (2) with clearance between spheroid (4), then adjusting screw (3) with connecting seat (10) fixed connection.
2. The adjustable structure of the valve seat of the metal seal ball valve according to claim 1, wherein the connecting seat (10) is provided with an annular boss (101), the boss (101) is provided with threaded holes (11) uniformly distributed on the circumference, and the threaded holes (11) are in adjustable connection with the adjusting screw (3).
3. The adjustable structure of the valve seat of the metal sealing ball valve according to claim 2, wherein a vertical annular groove (12) is arranged at the position, close to the valve seat (2), of the connecting seat (10), a first polish rod (35) is arranged at one end of the adjusting screw (3), and the first polish rod (35) penetrates through the annular groove (12) and is abutted against the valve seat (2).
4. A valve seat adjustable structure of a metal seal ball valve according to claim 3, characterized in that the adjusting screw (3) is provided with an external thread (33) close to the first polish rod (35), and the external thread (33) is adjustably connected with the threaded hole (11).
5. The adjustable structure of the valve seat of the metal sealing ball valve according to claim 4, wherein a second polish rod (32) is arranged at one end of the adjusting screw (3) close to the external thread (33), and the second polish rod (32) is fixedly connected with the boss (101).
6. The adjustable structure of the valve seat of the metal sealing ball valve according to claim 1, wherein a cylindrical head (31) is arranged at one end of the adjusting screw (3), and an inner hexagon structure (311) is arranged at the center position of the cylindrical head (31).
7. The adjustable structure of a valve seat of a metal seal ball valve according to claim 1, wherein the valve seat (2) is provided with an annular cambered surface (21), the sphere (4) is provided with a spherical surface (41), and the cambered surface (21) is in compression joint with the spherical surface (41).
8. The adjustable structure of the valve seat of the metal seal ball valve according to claim 7, wherein a stepped groove (15) is arranged at the inner wall of the valve body (1), and a first belleville spring (40) is pressed between the stepped groove (15) and the valve seat (2).
9. The adjustable valve seat structure of a metal seal ball valve according to claim 1, wherein an arc-shaped bottom groove (45) is provided at the top end of the ball body (4), and the arc-shaped bottom groove (45) is connected to a valve rod (50).
10. The metal seal ball valve seat adjustable structure according to claim 9, wherein the valve stem (50) is crimped through a valve cap and is crimped through a second belleville spring (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320321200.1U CN219413592U (en) | 2023-02-27 | 2023-02-27 | Adjustable structure of metal seal ball valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320321200.1U CN219413592U (en) | 2023-02-27 | 2023-02-27 | Adjustable structure of metal seal ball valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413592U true CN219413592U (en) | 2023-07-25 |
Family
ID=87233228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320321200.1U Active CN219413592U (en) | 2023-02-27 | 2023-02-27 | Adjustable structure of metal seal ball valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413592U (en) |
-
2023
- 2023-02-27 CN CN202320321200.1U patent/CN219413592U/en active Active
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