CN216590063U - Pneumatic flange ball valve - Google Patents
Pneumatic flange ball valve Download PDFInfo
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- CN216590063U CN216590063U CN202123441727.8U CN202123441727U CN216590063U CN 216590063 U CN216590063 U CN 216590063U CN 202123441727 U CN202123441727 U CN 202123441727U CN 216590063 U CN216590063 U CN 216590063U
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Abstract
The application discloses pneumatic flange ball valve, relate to the pneumatic ball valve field, it includes the valve body, the valve rod, valve ball and pneumatic actuator, the valve ball rotates and sets up in the valve body, the one end of valve rod inserts in the valve body and links to each other with the valve ball is fixed, the other end of valve rod is located the valve body outside and links to each other with pneumatic actuator's output end, the valve body just is formed with annular mounting groove to the both sides of valve ball, the cooperation of sliding in the annular mounting groove has the disk seat, the valve body is located annular mounting groove department and is provided with compression spring, compression spring is located between valve body and the disk seat, disk seat periphery wall cover is equipped with the first sealing washer with valve body looks butt, the disk seat is provided with towards one side of valve ball with the sealed complex abrasive rubber pad with the valve ball. This application has the sealing performance who improves pneumatic flange ball valve, extension pneumatic flange ball valve life's effect.
Description
Technical Field
The utility model belongs to the technical field of pneumatic ball valve and specifically relates to a pneumatic flange ball valve is related to.
Background
The plug body of the pneumatic ball valve is a sphere, a circular through hole or a channel passes through the axis of the sphere, and the pneumatic ball valve can be tightly closed only by the operation of rotating 90 degrees by an air source of a pneumatic actuating mechanism and a small rotating moment; the completely equal inner cavity of the valve body can provide a straight-through flow channel with small resistance for a medium, and the valve body is most suitable for being directly opened and closed, and is vital in the industries of petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like.
In the related technology, the pneumatic flange ball valve is composed of a pneumatic actuating mechanism and a valve body, a valve rod, a valve ball, a valve seat and a sealing ring are installed in the valve body, the sealing ring is located between the valve seat and the valve ball, and a through hole for medium circulation is formed in the valve ball. The pneumatic actuating mechanism drives the valve ball to rotate through the valve rod, when the valve ball rotates to the through hole to be communicated with the two ends of the valve body, the pneumatic flange ball valve is in an open state, and at the moment, the medium normally circulates; when the valve ball rotates to the through hole and is not communicated with the two ends of the valve body, the pneumatic flange ball valve is in a closed state. After the pressure of the medium is applied, the valve ball does not move, and the valve seat moves, so that the sealing ring is tightly pressed on the ball body to ensure sealing.
Aiming at the related technologies, the inventor finds that the execution speed of the pneumatic execution mechanism is relatively high, the fastest switching speed can reach 0.05 second/time, the abrasion of a sealing ring in the opening and closing process is severe, the sealing effect between a valve ball and a valve body is seriously declined in long-term use, a medium is easy to leak in the closing state of the valve, the service life of the pneumatic flange ball valve is influenced, and the improvement is provided.
SUMMERY OF THE UTILITY MODEL
In order to improve the sealing performance of pneumatic flange ball valve, prolong the life of pneumatic flange ball valve, this application provides a pneumatic flange ball valve.
The application provides a pneumatic flange ball valve adopts following technical scheme:
the utility model provides a pneumatic flange ball valve, includes valve body, valve rod, valve ball and pneumatic actuator, the valve ball rotates and sets up in the valve body, the one end of valve rod is inserted in the valve body and with the valve ball is fixed continuous, the other end of valve rod is located the valve body outside and with pneumatic actuator's output end is fixed continuous, the valve body is just right the both sides of valve ball are formed with annular mounting groove, the cooperation of sliding in the annular mounting groove has the disk seat, the valve body is located annular mounting groove department is provided with compression spring, compression spring is located the valve body with between the disk seat, disk seat periphery wall cover be equipped with the first sealing washer of valve body looks butt, the disk seat towards one side of valve ball be provided with the sealed complex wear-resistant rubber pad of valve ball.
Through adopting above-mentioned technical scheme, utilize pneumatic actuator to drive the valve rod and rotate, it is rotatory to drive the valve ball, thereby open and close pneumatic flange ball valve fast, the valve is opened when the valve ball through-hole communicates with the valve body, the valve is closed when through-hole and valve body both ends do not communicate, through compression spring, the cooperation setting of first sealing washer and wear-resisting rubber pad, realize sealedly through the compression spring pre-compaction during the low pressure, reliable sealing when utilizing the pressure of medium in the pipeline to realize the high pressure, the sealing performance of pneumatic flange ball valve and life have been improved. Meanwhile, the valve seat is matched in the annular mounting groove in a sliding mode, when the pressure in the gap is abnormally increased due to the fact that the medium brought into the gap between the outer wall of the valve ball and the valve body is gasified, the compression spring at the position of the output channel can be compressed, the valve seat is pushed to release pressure to the output channel, and the safety of the valve body is improved.
Optionally, one side of the valve seat facing the valve body is provided with a first limiting groove, and one end of the compression spring close to the valve seat is in clamping fit with the first limiting groove.
Through adopting above-mentioned technical scheme, utilize first spacing groove and compression spring to be close to the cooperation of the one end joint of disk seat, improve the stability that compression spring installed.
Optionally, a wedge-shaped abutting surface is formed on one side, facing the valve ball, of the valve seat, and the wear-resistant rubber pad is arranged on the wedge-shaped abutting surface.
Through adopting above-mentioned technical scheme, set up the wedge butt face, set up wear-resisting rubber pad on the wedge butt face, can improve wear-resisting rubber pad and the stability of the sealed complex of valve ball outer wall.
Optionally, a second limiting groove is formed in the peripheral wall of the valve seat, and the first sealing ring is located in the second limiting groove.
Through adopting above-mentioned technical scheme, utilize the second spacing groove can improve first sealing washer and take place axial excursion and torsional problem on the disk seat periphery wall, promote the valve seal effect.
Optionally, the first sealing ring has two layers arranged at intervals.
Through adopting above-mentioned technical scheme, further strengthen the sealing performance between disk seat periphery wall and the valve body.
Optionally, an elastic limiting block is arranged at the rotary connection position of the valve rod and the valve body, a third limiting groove is correspondingly formed in the valve body, and the side wall of the elastic limiting block, far away from the valve rod, abuts against the bottom of the third limiting groove.
Through adopting above-mentioned technical scheme, when pneumatic actuator drove the valve rod and rotates, the cooperation setting of elasticity stopper and third spacing groove can prevent the medium invasion under the complex environment, protects valve rod and pneumatic actuator's junction, extension valve life.
Optionally, a fourth limiting groove is formed in the valve rod, and the side wall of the elastic limiting block, which is close to the valve rod, abuts against the bottom of the fourth limiting groove.
Through adopting above-mentioned technical scheme, third spacing groove and fourth spacing groove are the same as the cooperation of elasticity stopper joint, make the design more reasonable.
Optionally, the elastic limiting block is annular, the elastic limiting block sleeve is arranged on the valve rod, the outer peripheral wall of the elastic limiting block is abutted to the groove bottom of the third limiting groove, and the inner peripheral wall of the elastic limiting block is abutted to the groove bottom of the fourth limiting groove.
Through adopting above-mentioned technical scheme, elastic limiting block is the annular, can increase its elastic sealing effect as far as.
Optionally, the outer wall of the valve ball and the inner wall of the through hole of the valve ball are both smooth walls.
Through adopting above-mentioned technical scheme, can reduce the valve ball on the one hand and open and close the loss of rotation of in-process to wear-resisting rubber pad, can reduce the resistance that fluid carried in the valve ball passageway simultaneously, make the design more comprehensive.
In summary, the present application includes at least one of the following beneficial technical effects:
utilize pneumatic actuator to drive the valve rod and rotate, it is rotatory to drive the valve ball to open and close pneumatic flange ball valve fast, the valve is opened when valve ball through-hole and valve body intercommunication, the valve is closed when through-hole and valve body both ends do not communicate, through compression spring, the cooperation setting of first sealing washer and abrasive rubber pad, realize sealed through the compression spring pre-compaction during the low pressure, reliable sealed when the pressure of medium realizes the high pressure in the utilization pipeline, the sealing performance of pneumatic flange ball valve and life have been improved. Meanwhile, the valve seat is matched in the annular mounting groove in a sliding mode, when the pressure in the gap is abnormally increased due to the fact that a medium brought into the gap between the outer wall of the valve ball and the valve body is gasified, the compression spring at the position of the output channel can be compressed, the valve seat is pushed to release pressure to the output channel, and the safety of the valve body is improved;
the first limiting groove is clamped and matched with one end, close to the valve seat, of the compression spring, so that the mounting stability of the compression spring is improved;
when the pneumatic actuator drives the valve rod to rotate, the elastic limiting block and the third limiting groove are matched, medium invasion in a complex environment can be prevented, the joint of the valve rod and the pneumatic actuator is protected, and the service life of the valve is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a sectional view showing the internal structure of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Reference numerals: 1. a valve body; 2. a valve stem; 3. a valve ball; 4. a pneumatic actuator; 5. an annular mounting groove; 6. a compression spring; 7. a first seal ring; 8. a wear-resistant rubber pad; 9. a first limit groove; 10. a wedge-shaped abutting surface; 11. a second limit groove; 12. an elastic limiting block; 13. a third limiting groove; 14. a fourth limit groove; 15. a valve seat.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a pneumatic flange ball valve.
Referring to fig. 1 and 2, a pneumatic flange ball valve includes a valve body 1, a valve stem 2, a valve ball 3, and a pneumatic actuator 4. Pneumatic actuator 4 is AW type heavy-calibre pneumatic actuator, and valve ball 3 rotates and sets up in valve body 1, and the one end of valve rod 2 is inserted in valve body 1 and is connected with valve ball 3 through splined connection is fixed, and the other end of valve rod 2 is located valve body 1 outside and is fixed continuous with pneumatic actuator's output. The valve body 1 is provided with an annular mounting groove 5 which is integrally formed at two sides opposite to the valve ball 3, and a valve seat 15 is matched in the annular mounting groove 5 in a sliding manner.
Referring to fig. 1 and 3, the outer peripheral wall of the valve seat 15 is sleeved with a first sealing ring 7, the first sealing ring 7 has two layers arranged at intervals, a second limiting groove 11 is formed in the outer peripheral wall of the valve seat 15, and the first sealing ring 7 is located in the second limiting groove 11. One end of the first sealing ring 7, which is far away from the second limiting groove 11, is abutted against the inner wall of the valve body 1 so as to seal a gap between the outer peripheral wall of the valve seat 15 and the valve body 1, and the second limiting groove 11 improves the problem that the first sealing ring 7 generates axial deviation and torsion on the outer peripheral wall of the valve seat 15.
The valve body 1 is provided with a compression spring 6 at the annular mounting groove 5. Compression spring 6 is located between valve body 1 and the disk seat 15, and first spacing groove 9 has been seted up towards one side of valve body 1 to disk seat 15, and compression spring 6 is close to the cooperation of the one end of disk seat 15 and first spacing groove 9 joint to improve the stability that compression spring 6 installed. The side of the valve seat 15 facing the valve ball 3 is provided with a wear-resistant rubber pad 8 which is in sealing fit with the valve ball 3. One side of the valve seat 15 facing the valve ball 3 is formed with a wedge-shaped abutting surface 10, the wedge-shaped abutting surface 10 is provided with a wear-resistant rubber pad 8, and the wear-resistant rubber pad 8 is in sealing fit with the valve ball 3. The outer wall of valve ball 3 and the through-hole inner wall of valve ball 3 all set up to smooth wall, can reduce the resistance that fluid carried in valve ball 3 passageway, can reduce valve ball 3 simultaneously and open and close the loss of in-process rotation to wear-resisting rubber pad 8, realize sealed through the prepressing of compression spring 6 during the low pressure, can utilize the pressure of medium to realize reliably sealed in the pipeline during the high pressure, improved pneumatic flange ball valve's sealing performance and life.
Referring to fig. 1 and 4, the valve rod 2 is provided with an elastic limiting block 12 at the rotary joint with the valve body 1, the elastic limiting block 12 is annular, the elastic limiting block 12 is sleeved on the valve rod 2, a third limiting groove 13 is correspondingly formed in the valve body 1, a fourth limiting groove 14 is formed in the valve rod 2, the outer peripheral wall of the elastic limiting block 12 abuts against the groove bottom of the third limiting groove 13, and the inner peripheral wall of the elastic limiting block 12 abuts against the groove bottom of the fourth limiting groove 14. When the pneumatic actuator 4 drives the valve rod 2 to rotate, the elastic limiting block 12 and the third limiting groove 13 are matched, medium invasion in a complex environment can be prevented, the joint of the valve rod 2 and the pneumatic actuator 4 is protected, and the service life of the valve is further prolonged.
The implementation principle of the pneumatic flange ball valve in the embodiment of the application is as follows: utilize pneumatic actuator 4 to drive valve rod 2 and rotate, it is rotatory to drive valve ball 3, thereby open fast and close pneumatic flange ball valve, the valve is opened when 3 through-holes of valve ball communicate with valve body 1, the valve is closed when through-hole and 1 both ends of valve body do not communicate, through compression spring 6, the cooperation setting of first sealing washer 7 and wear-resisting rubber pad 8, realize sealedly through 6 pre-compaction of compression spring during the low pressure, reliable sealing when utilizing the pressure of medium in the pipeline to realize the high pressure, the sealing performance and the life of pneumatic flange ball valve have been improved. Meanwhile, the valve seat 15 is matched in the annular mounting groove 5 in a sliding mode, when the medium brought into the gap between the outer wall of the valve ball 3 and the valve body 1 is gasified, the pressure in the gap is abnormally increased, the compression spring 6 at the position of the output channel can be compressed, the valve seat 15 is pushed to release pressure to the output channel, and the safety of the valve body 1 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a pneumatic flange ball valve, includes valve body (1), valve rod (2), valve ball (3) and pneumatic actuator (4), valve ball (3) rotate to set up in valve body (1), the one end of valve rod (2) insert in valve body (1) and with valve ball (3) are fixed continuous, the other end of valve rod (2) is located valve body (1) outside and with the output end of pneumatic actuator (4) is fixed continuous its characterized in that: valve body (1) is just right the both sides of valve ball (3) are formed with annular mounting groove (5), the cooperation of sliding has disk seat (15) in annular mounting groove (5), valve body (1) is located annular mounting groove (5) department is provided with compression spring (6), compression spring (6) are located valve body (1) with between disk seat (15), disk seat (15) periphery wall cover be equipped with first sealing washer (7) of valve body (1) looks butt, disk seat (15) towards one side of valve ball (3) be provided with valve ball (3) sealed complex wear-resisting rubber pad (8).
2. A pneumatic flanged ball valve according to claim 1, wherein: valve seat (15) towards one side of valve body (1) is provided with first spacing groove (9), compression spring (6) are close to the one end of valve seat (15) with first spacing groove (9) joint cooperation.
3. A pneumatic flanged ball valve according to claim 1, wherein: one side, facing the valve ball (3), of the valve seat (15) is provided with a wedge-shaped abutting surface (10), and the wear-resistant rubber gasket (8) is arranged on the wedge-shaped abutting surface (10).
4. A pneumatic flanged ball valve according to claim 1, wherein: the valve seat (15) is provided with a second limiting groove (11) in the peripheral wall, and the first sealing ring (7) is located in the second limiting groove (11).
5. A pneumatic flanged ball valve according to claim 4, wherein: the first sealing ring (7) is provided with two layers which are arranged at intervals.
6. A pneumatic flanged ball valve according to claim 1, wherein: the valve rod (2) with valve body (1) rotates the junction and is provided with elasticity stopper (12), third spacing groove (13) have been seted up to the correspondence on valve body (1), elasticity stopper (12) are kept away from the lateral wall butt of valve rod (2) is in the tank bottom of third spacing groove (13).
7. A pneumatic flanged ball valve according to claim 6, wherein: a fourth limiting groove (14) is formed in the valve rod (2), and the side wall, close to the valve rod (2), of the elastic limiting block (12) abuts against the bottom of the fourth limiting groove (14).
8. A pneumatic flanged ball valve according to claim 7, wherein: the elastic limiting block (12) is annular, the elastic limiting block (12) is sleeved on the valve rod (2), the outer peripheral wall of the elastic limiting block (12) is abutted to the groove bottom of the third limiting groove (13), and the inner peripheral wall of the elastic limiting block (12) is abutted to the groove bottom of the fourth limiting groove (14).
9. A pneumatic flanged ball valve according to claim 1, wherein: the outer wall of the valve ball (3) and the inner wall of the through hole of the valve ball (3) are both smooth walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123441727.8U CN216590063U (en) | 2021-12-31 | 2021-12-31 | Pneumatic flange ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123441727.8U CN216590063U (en) | 2021-12-31 | 2021-12-31 | Pneumatic flange ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN216590063U true CN216590063U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123441727.8U Active CN216590063U (en) | 2021-12-31 | 2021-12-31 | Pneumatic flange ball valve |
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| CN (1) | CN216590063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681545A (en) * | 2022-10-17 | 2023-02-03 | 上海电站阀门厂有限公司 | Drainage ball valve |
| CN116221447A (en) * | 2023-03-09 | 2023-06-06 | 五洲阀门股份有限公司 | High-sealing ball valve |
| CN118208568A (en) * | 2024-04-25 | 2024-06-18 | 江苏远洋阀门智控股份有限公司 | High-pressure wear-resistant floating ball valve |
| CN118208568B (en) * | 2024-04-25 | 2024-11-15 | 江苏远洋阀门智控股份有限公司 | High-pressure wear-resistant floating ball valve |
-
2021
- 2021-12-31 CN CN202123441727.8U patent/CN216590063U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681545A (en) * | 2022-10-17 | 2023-02-03 | 上海电站阀门厂有限公司 | Drainage ball valve |
| CN115681545B (en) * | 2022-10-17 | 2024-02-09 | 上海电站阀门厂有限公司 | Hydrophobic ball valve |
| CN116221447A (en) * | 2023-03-09 | 2023-06-06 | 五洲阀门股份有限公司 | High-sealing ball valve |
| CN116221447B (en) * | 2023-03-09 | 2023-08-15 | 五洲阀门股份有限公司 | High-sealing ball valve |
| CN118208568A (en) * | 2024-04-25 | 2024-06-18 | 江苏远洋阀门智控股份有限公司 | High-pressure wear-resistant floating ball valve |
| CN118208568B (en) * | 2024-04-25 | 2024-11-15 | 江苏远洋阀门智控股份有限公司 | High-pressure wear-resistant floating ball valve |
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