CN213598615U - Ball valve with retaining ring - Google Patents
Ball valve with retaining ring Download PDFInfo
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- CN213598615U CN213598615U CN202022717824.4U CN202022717824U CN213598615U CN 213598615 U CN213598615 U CN 213598615U CN 202022717824 U CN202022717824 U CN 202022717824U CN 213598615 U CN213598615 U CN 213598615U
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- sealing ring
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Abstract
A ball valve with a retaining ring comprises an O-shaped sealing ring A, O-shaped sealing ring B, a valve shaft, a sealing ring, a valve sleeve, a valve core, a retaining ring, a valve body and a valve plate. The protection ring capable of ensuring the stability of the sealing ring and the valve plate is additionally arranged at the sealing ring of the original ball valve, so that the problem that the sealing ring is influenced by liquid flow to occasionally show a destabilization state when a valve core is in a certain opening area is solved, the flow is fluctuated if the sealing ring is light, the sealing ring is damaged if the sealing ring is heavy, the valve plate is shifted to cause the sealing failure of the ball valve, and the normal operation of the whole system is further influenced. The invention can effectively improve the reliability of the ball valve.
Description
Technical Field
The utility model relates to a ball valve of area retaining ring.
Background
The existing ball valve is in the process of opening and closing, the contact state of the valve core and the sealing ring can change along with different opening angles, because the sealing ring is made of flexible materials, the sealing ring of the valve core is influenced by liquid flow when the valve core is in a certain opening area and can be in a destabilization state occasionally, particularly, the ball valve with a large caliber is very large, the phenomenon is more serious, the flow is slightly fluctuated, the sealing ring is damaged, the valve plate is shifted to cause the sealing failure of the ball valve, and the normal operation of the whole system is further influenced.
Disclosure of Invention
The utility model discloses to the above-mentioned defect that the ball valve exists, add a retaining ring that can ensure sealing ring stability in original ball valve sealing ring department to the reliability of ball valve work has effectively been improved. The utility model discloses constitute by O shape sealing washer A, O shape sealing washer B, valve shaft, sealing ring, valve barrel, case, retaining ring, valve body, valve plate. The valve shaft is made of metal materials, the shape of the valve shaft is generally in a cylindrical step shape, a shaft shoulder matched with a counter bore for installing a valve shaft on the valve body is arranged, a groove for installing an O-shaped sealing ring B is arranged in the middle of the shaft, a tenon matched with the groove of the valve core is arranged in the center of the shaft end of the shaft shoulder, and a groove is arranged in the center of the other end of the valve shaft and connected with a wrench or a motor for transmitting torque. The sealing ring is made of nylon plastics, the outer diameter of the ring is matched with the valve sleeve stepped hole, and the outer side of the ring is provided with a step for installing an O-shaped sealing ring A; the inner side of the ring is provided with a cambered surface matched with the spherical surface of the valve core. The valve sleeve is made of metal materials, one end of the sleeve is provided with an external thread which is in threaded connection with the valve body, the inner diameter of the sleeve is provided with a stepped hole, a step for installing a sealing ring is arranged, the inner diameter of the other end of the valve sleeve is provided with an internal thread which is connected with an external pipe, and the outer circumference of the valve sleeve is provided with a polygonal symmetrical plane which can be rotated by a wrench. The valve core is made of metal materials, the overall shape of the valve core is spherical, the center of the valve core is provided with a flow passage, the flow passage is a round hole, and a groove which is perpendicular to the axis of the flow passage and is matched with the tenon of the valve shaft is arranged on the spherical surface corresponding to the midpoint of the flow passage. The valve body is a pipe fitting with one end perpendicular to the through hole and provided with a valve shaft mounting boss, the through hole is a stepped hole, the mounting valve shaft boss end is a through hole large-diameter end, an orifice is provided with an internal thread connected with the valve sleeve, a valve core is arranged in the large diameter, and a flow distribution disc, an O-shaped sealing ring A and a retaining ring are arranged at the large-diameter step. The hole wall corresponding to the guard ring is provided with a groove matched with the guard ring flange, and the mounting position of the valve plate is also provided with a positioning groove matched with the positioning rib of the valve plate; the small-diameter end of the valve body is provided with an internal thread connected with an external pipe, and the outer circumference is provided with a polygonal symmetrical plane for a wrench to rotate; the center of the boss for mounting the valve shaft is provided with a stepped hole, and the port is an interface plane provided with a screw hole. The protective ring is a thin circular ring with the outer diameter and the flange matched with the inner diameter of the valve body and the flange groove respectively, and is made of nylon plastics, a tapered hole is formed in the center of the protective ring, the flange is arranged on the outer circle, an annular groove is formed in the plane on one side of the flange, and the annular groove is used for increasing the elastic deformation of the flange when the flange is in place in the valve body. The flow distribution plate is made of nylon plastics, the shape of the flow distribution plate is in a step ring shape, the small diameter part of the outer circle is provided with a positioning rib, and the cross section of the central overflowing hole of the flow distribution plate is in a mushroom shape. Assembling: after an O-shaped sealing ring B is arranged in a groove of the valve shaft, the valve shaft is arranged in a valve shaft mounting hole from the inner side of the valve body, a valve plate and the O-shaped sealing ring A are arranged at a step inside the large diameter of the valve body, a guard ring is arranged, a flange of the guard ring is clamped in a corresponding groove of the valve body, the direction of a tenon of the valve shaft is adjusted to be consistent with the axial line of the valve body, a groove of a valve core is aligned with the tenon of the valve shaft and pushed into the valve body, and then the O-shaped sealing ring A and a sealing ring are arranged on a valve.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a sectional view of the structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a plan view of the grommet.
Fig. 5 is a cross-sectional view of fig. 4.
Fig. 6 is a three-dimensional view of the port plate.
In the figure 1, an O-shaped sealing ring A; 2. an O-shaped sealing ring B; 3. a valve shaft; 4. a seal ring; 5. a valve housing; 6. a valve core; 7. protecting the ring; 7-a, a flange; 7-b, a groove; 8. a valve body; 9. and a valve plate.
Detailed Description
The utility model discloses constitute by O shape sealing washer A (1), O shape sealing washer B (2), valve shaft (3), sealing ring (4), valve barrel (5), case (6), retaining ring (7), flange (7-a), recess (7-B), valve body (8), valve plate (9). The valve shaft (3) is made of metal materials, the overall appearance is in a cylindrical step shape, a shaft shoulder matched with a counter bore in the valve shaft (3) on the valve body (8) is arranged, a groove for installing an O-shaped sealing ring B (2) is arranged in the middle of the shaft, a tenon matched with the groove of the valve core (6) is arranged in the center of the shaft end of the shaft shoulder, and a groove is arranged in the center of the other end of the valve shaft (3) and connected with a wrench or a motor for transmitting torque. The sealing ring (4) is made of nylon plastics, the outer diameter of the ring is matched with the stepped hole of the valve sleeve (5), and the outer side of the ring is provided with a step for installing an O-shaped sealing ring A (1); the inner side of the ring is provided with a cambered surface which is matched with the spherical surface of the valve core (6). The valve sleeve (5) is made of metal materials, an external thread is arranged at one end of the sleeve and is in threaded connection with the valve body (8), a stepped hole is formed in the inner diameter, a step for installing the sealing ring (4) is arranged, an internal thread connected with an external pipe is arranged at the inner diameter of the other end of the valve sleeve (5), and a polygonal symmetrical plane for enabling a wrench to rotate is arranged on the outer circumference. The valve core (6) is made of metal materials, the overall appearance of the valve core (6) is spherical, the center of the valve core is provided with a flow passage which is a round hole, and a groove which is perpendicular to the axis of the flow passage and is matched with the tenon of the valve shaft (3) is arranged on the spherical surface corresponding to the midpoint of the flow passage. The valve body (8) is a pipe fitting with one end provided with a valve shaft (3) mounting boss through a vertical flow through hole, the flow through hole is a stepped hole, the boss end of the mounting valve shaft (3) is a large-diameter end of the through hole, an internal thread connected with the valve sleeve (5) is arranged at the hole opening, a valve core (6) is arranged in the large diameter, and a flow distribution disc (9), an O-shaped sealing ring A (1) and a protective ring (7) are arranged at the large-diameter step. A positioning groove matched with a flange (7-a) of the retaining ring (7) is arranged on the hole wall corresponding to the retaining ring (7), and a groove matched with a positioning rib of the valve plate (9) is also arranged at the mounting position of the valve plate (9); the small-diameter end of the valve body (8) is provided with an internal thread connected with an external pipe, and the outer circumference is provided with a polygonal symmetrical plane for a wrench to rotate; a stepped hole is arranged at the center of a boss for mounting the valve shaft (3), and the port is an interface plane provided with a screw hole. The protective ring (7) is a thin circular ring with the outer diameter and the flange (7-a) matched with the inner diameter of the valve body (8) and the groove of the flange (7-a) respectively, and is made of nylon plastics, a tapered hole is formed in the center of the protective ring (7), the flange (7-a) is arranged on the outer circle, an annular groove (7-b) is formed in the plane of one side of the flange (7-a), and the annular groove (7-b) is used for increasing the elastic deformation amount of the flange (7-a) when the flange (7-a) is in place in the valve body (8). The flow distribution plate (9) is made of nylon plastics, the shape of the flow distribution plate is in a step ring shape, the small diameter part of the outer circle is provided with a positioning rib, and the cross section of the central overflowing hole of the flow distribution plate (9) is in a mushroom shape. Assembling: after an O-shaped sealing ring B (2) is arranged in a groove of a valve shaft (3), the valve shaft (3) is arranged in a mounting hole of the valve shaft (3) from the inner side of a valve body (8), a valve plate (9) and an O-shaped sealing ring A (1) are arranged at a step inside the large diameter of the valve body (8), a guard ring (7) is arranged, a flange (7-a) of the guard ring (7) is clamped in the groove corresponding to the valve body (8), the direction of a tenon of the valve shaft (3) is adjusted to be consistent with the axis of the valve body (8), the groove of a valve core (6) is aligned with the tenon of the valve shaft (3) and pushed into the valve body (8), and then the O-shaped sealing ring A (1) and a sealing ring (4) are arranged on a valve sleeve (5) and.
Claims (3)
1. A ball valve with a retaining ring is characterized by comprising an O-shaped sealing ring A, O-shaped sealing ring B, a valve shaft, a sealing ring, a valve sleeve, a valve core, a retaining ring, a valve body and a valve plate; the valve shaft is made of metal materials, the overall shape of the valve shaft is in a cylindrical step shape, a shaft shoulder matched with a valve shaft counter bore on the valve body is arranged, a groove for installing an O-shaped sealing ring B is arranged in the middle of the shaft, a tenon matched with the valve core groove is arranged in the center of the shaft end of the shaft shoulder, and a groove is arranged in the center of the other end of the valve shaft; the sealing ring is made of nylon plastics, the outer diameter of the ring is matched with the valve sleeve stepped hole, and the outer side of the ring is provided with a step for installing an O-shaped sealing ring A; the inner side of the ring is provided with a cambered surface matched with the spherical surface of the valve core; the valve sleeve is made of metal materials, one end of the sleeve is provided with an external thread which is in threaded connection with the valve body, the inner diameter of the sleeve is provided with a stepped hole and a step for installing a sealing ring, the inner diameter of the other end of the valve sleeve is provided with an internal thread which is connected with an external pipe, and the outer circumference of the valve sleeve is provided with a polygonal symmetrical plane; the valve core is made of metal material, the overall shape of the valve core is spherical, the center of the valve core is provided with a flow passage, the flow passage is a round hole, and a groove which is perpendicular to the axis of the flow passage and is matched with the tenon of the valve shaft is arranged on the spherical surface corresponding to the midpoint of the flow passage; a valve shaft mounting boss is arranged at one end of the valve body and is vertical to the overflowing through hole, the overflowing through hole is a stepped hole, an internal thread connected with the valve sleeve is arranged at a hole of the boss end, a valve core is arranged in the large diameter, and a flow distribution disc, an O-shaped sealing ring A and a retaining ring are arranged at the step of the large diameter; a groove matched with the flange of the retaining ring is arranged on the hole wall corresponding to the retaining ring, and a positioning groove matched with the positioning rib of the valve plate is arranged at the mounting position of the valve plate; the small-diameter end of the valve body is provided with an internal thread connected with an external pipe, and the outer circumference is provided with a polygonal symmetrical plane; the center of the boss for mounting the valve shaft is provided with a stepped hole, and the port is an interface plane provided with a screw hole.
2. A ball valve with a retainer according to claim 1, wherein the retainer is a thin circular ring having an outer diameter and a flange matching with the inner diameter of the valve body and the groove of the flange, and is made of nylon plastic, the retainer has a tapered hole at the center, and the outer circle has a flange, and a circular groove is formed on the flat surface of one side of the flange.
3. The ball valve with the retaining ring of claim 1, wherein the port plate is made of nylon plastic, and has a stepped annular shape, the outer diameter of the outer circle of the port plate is provided with a positioning rib, and the cross section of the central flow hole of the port plate is mushroom-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022717824.4U CN213598615U (en) | 2020-11-23 | 2020-11-23 | Ball valve with retaining ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022717824.4U CN213598615U (en) | 2020-11-23 | 2020-11-23 | Ball valve with retaining ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598615U true CN213598615U (en) | 2021-07-02 |
Family
ID=76598541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022717824.4U Active CN213598615U (en) | 2020-11-23 | 2020-11-23 | Ball valve with retaining ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598615U (en) |
-
2020
- 2020-11-23 CN CN202022717824.4U patent/CN213598615U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |