Two-piece type high platform flange ball valve
By introducing an anti-static device and a limit ring design into the two-piece high-platform flange ball valve, combined with a sealing ring and an adjusting column, the problem of poor sealing performance of the ball valve during long-term use is solved, good sealing performance and convenient adjustment are achieved, and the service life of the valve core is extended.
Patent Information
- Application Number
- CN202422894317.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing ball valves are prone to liquid leakage at the joints when used for too long, have poor sealing performance, and are difficult to adjust in time, resulting in low water supply efficiency.
A two-piece high-platform flange ball valve was designed. By setting an anti-static device at the connection between the valve stem and the valve core, combined with the design of the limit ring and the sealing ring, good sealing is ensured when the valve core rotates. The cooperation of the adjusting column and the nut can achieve real-time adjustment and improvement of the sealing performance.
It effectively prevents liquid leakage, improves sealing performance, and extends the service life of the valve core. It is also simple and convenient to adjust, and can adjust the sealing performance in real time according to needs to ensure the long-term stability of the valve.
Smart Images
Figure CN223344737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valves, in particular to a two-piece high-platform flange ball valve. Background Art
[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. Currently, there are many types of valves, including ball valves, butterfly valves, stop valves, and fluorine-lined valves. However, when ball valves used in pipeline equipment are used for too long, split ball valves are prone to liquid leakage at the joints, resulting in dispersed water supply, low efficiency, inability to adjust in time, and poor sealing performance.
[0003] Therefore, it is necessary to provide a two-piece high platform flange ball valve to solve the above technical problems. Utility Model Content
[0004] The purpose of the utility model is to provide a two-piece high-platform flange ball valve to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a two-piece high-platform flange ball valve, comprising a valve body and an end cover, the end cover being arranged on the side wall of the valve body, a spherical hole being provided in the valve body, a water outlet being provided on the side wall of the valve body, a connecting portion being provided on the valve body, a placement hole being provided in the connecting portion, a threaded water inlet and a receiving hole being provided on the side wall of the end cover, a sealing ring being provided at the connection between the end cover and the valve body, a valve core being rotatably provided in the spherical hole, the valve core structure being spherical, a through hole being provided in the valve core, a limiting ring being embedded in the connection between the water outlet and the valve core, a sealing ring being slidably provided in the side wall of the end cover, an adjusting column being threadedly connected to the threaded water inlet, and the side wall of the adjusting column Abutting the side wall of the sealing ring, a valve stem is provided on the top of the valve core, and the valve stem is located in the accommodating hole. The upper end of the valve stem passes through the accommodating hole and extends above it. A thrust gasket is provided at the connection between the valve stem and the inner wall of the accommodating hole, and an O-ring is provided in the accommodating hole. A packing is provided on the top of the O-ring, and a shaft sleeve is provided on the top of the packing. A spring washer is provided on the top of the shaft sleeve. A threaded portion is provided on the top of the valve stem, and two nuts are threadedly connected to the threaded portion, one of which is pressed on the spring washer. A stopping card is provided on the top of the connecting portion, and a card cover is provided at the bottom of the stopping card. The card cover is engaged with the nut, a gasket is provided on the stopping card, and a handle is provided on the gasket.
[0006] As an optimal technical solution of the present invention, the cross-section of the lower end of the valve stem is T-shaped, the side wall of the valve stem located inside the valve core is embedded with an anti-static device, and the upper part of the lower end of the valve stem is also embedded with an anti-static device.
[0007] As an optimal technical solution of the present invention, the O-ring, filler, sleeve and spring washer are all sleeved on the outer circumferential surface of the valve stem, the handle, gasket, stop card and card cover are all sleeved on the threaded part of the valve stem, and one of the nuts is pressed against the handle.
[0008] As a preferred technical solution of the present invention, a water hole is provided in the middle of the adjusting column, and a hexagonal groove is provided on the side wall of the adjusting column.
[0009] As a preferred technical solution of the present invention, the sealing ring is slidably arranged in the side wall of the first connecting plate, and a spherical groove is opened in the middle of the side wall of the sealing ring to fit the spherical surface of the valve core.
[0010] As a preferred technical solution of the present invention, the arcuate surface of the limit ring fits the spherical surface of the valve core.
[0011] As a preferred technical solution of the present invention, a second connecting plate is provided at the other end of the valve body, and a first connecting plate is provided at one side of the end cover, and the first connecting plate and the second connecting plate are locked by bolts.
[0012] As a preferred technical solution of the present invention, the water outlet hole is connected to the spherical hole, the placement hole is connected to the spherical hole, and the through hole is connected to the threaded water inlet hole and the water outlet hole.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The utility model discloses a two-piece high-platform flange ball valve. Anti-static devices are provided at the connection between the valve stem and the valve core and at the connection between the valve stem and the inner wall of the placement hole, effectively ensuring safety during the use of the ball valve. A limit ring is provided at the connection between the inner wall of the spherical hole and the valve core, so that the arc-shaped groove of the limit ring always fits the spherical surface of the valve core, ensuring good sealing performance when the valve core rotates. A sealing ring is slidably provided on the side wall of the end cover. The sealing ring is pushed by rotating the adjustment column so that the arc-shaped groove of the sealing ring fits closely against the spherical surface of the valve core, ensuring good sealing performance when the valve core rotates. The utility model is simple and convenient to adjust. The sealing performance of the valve core during rotation can be adjusted in real time as needed. Even if the valve core wears out after long-term use, the sealing ring can be adjusted close to the valve core to ensure sealing performance and extend the service life of the valve core. One nut presses the spring washer, shaft sleeve, packing and O-ring into the placement hole to prevent liquid from leaking upward, ensuring good sealing performance. Another nut locks the handle to the top of the valve stem. Turning the handle drives the valve stem to rotate, thereby realizing the valve core opening and closing the ball valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0016] Figure 1 This is the main view of the overall structure of the utility model;
[0017] Figure 2 It is a three-dimensional schematic diagram of the installation relationship between the valve body and the end cover of the utility model.
[0018] In the figure: 1. nut; 2. handle; 3. gasket; 4. stop card; 5. card cover; 6. spring washer; 7. sleeve; 8. packing; 9. O-ring; 10. anti-static device; 11. thrust washer; 12. valve stem; 13. end cover; 131. threaded water inlet hole; 132. receiving hole; 133. first connecting plate; 14. sealing ring; 15. adjusting column; 151. water hole; 16. sealing ring; 17. valve body; 171. water outlet hole; 172. connecting part; 173. placement hole; 174. second connecting plate; 175. spherical hole; 18. valve core; 181. through hole; 19. limit ring. DETAILED DESCRIPTION
[0019] The following describes the embodiments of the present invention with reference to the accompanying drawings. In the process, to ensure clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.
[0020] In addition, the following terms are defined based on the functions of the present invention and may vary depending on the intention or custom of the user or operator. Therefore, these terms are defined based on the entire content of this specification.
[0021] like Figures 1 to 2As shown, a two-piece high platform flange ball valve includes a valve body 17 and an end cover 13. A spherical hole 175 is provided in the valve body 17, and a water outlet hole 171 is provided on the side wall of the valve body 17. The water outlet hole 171 is communicated with the spherical hole 175. A second connecting plate 174 is provided at the other end of the valve body 17. A connecting portion 172 is provided on the valve body 17, and a placement hole 173 is provided in the connecting portion 172. The placement hole 173 is communicated with the spherical hole 175. A threaded water inlet hole 131 and a receiving hole 132 are provided on the side wall of the end cover 13. A first connecting plate 133 is provided on the other side of the end cover 13. The first connecting plate 133 and the second connecting plate 174 are locked by bolts to fix the end cover 13 to the valve body 17. A sealing ring 16 is provided at the connection between the end cover 13 and the valve body 17 to prevent liquid leakage. A valve core 18 is rotatably provided in the spherical hole 175 The valve core 18 is spherical in structure, and a through hole 181 is provided in the valve core 18. The through hole 181 is connected to the threaded water inlet hole 131 and the water outlet hole 171. A limit ring 19 is embedded in the connection between the water outlet hole 171 and the valve core 18. The arc surface of the limit ring 19 fits the spherical surface of the valve core 18, and the sealing performance is good. A sealing ring 14 is slidingly provided in the side wall of the first connecting plate 133, and a spherical ring is provided in the middle of the side wall of the sealing ring 14. The groove fits the spherical surface of the valve core 18. The provision of the sealing ring 14 and the limit ring 19 can effectively ensure that the spherical surface of the valve core 18 always fits the two when the valve core 18 rotates, thereby improving the sealing performance. The threaded water inlet hole 131 is internally threadedly connected to the adjusting column 15, and a water hole 151 is provided in the middle of the adjusting column 15. The side wall of the adjusting column 15 is provided with a hexagonal groove to facilitate the insertion of tools to rotate the adjusting column 15, and the side wall of the adjusting column 15 abuts against the side wall of the sealing ring 14.
[0022] A valve stem 12 is provided on the top of the valve core 18, and the valve stem 12 is located in the accommodating hole 132. The upper end of the valve stem 12 passes through the accommodating hole 132 and extends above it. The cross-section of the lower end of the valve stem 12 is T-shaped. A thrust gasket 11 is provided at the connection between the valve stem 12 and the inner wall of the accommodating hole 132. The part of the side wall of the valve stem 12 located in the valve core 18 is embedded with an anti-static device 10, and the anti-static device 10 is also embedded in the upper position of the lower end of the valve stem 12. An O-ring 9 is provided in the accommodating hole 132, and a packing 8 is provided on the top of the O-ring 9. A shaft sleeve 7 is provided on the top of the packing 8, and a spring washer 6 is provided on the top of the shaft sleeve 7. The O-ring 9, packing 8, shaft sleeve 7 and spring washer 6 are all sleeved on the outer circle of the valve stem 12 On the circumferential surface, a threaded portion is provided at the top of the valve stem 12, and two nuts 1 are threadedly connected to the threaded portion, one of the nuts 1 is pressed on the spring washer 6, and then the sleeve 7, packing 8 and O-ring 9 are pressed in the accommodating hole 132 to enhance the sealing and prevent the liquid from leaking upward. A stop card 4 is provided at the top of the connecting portion 172, and a card cover 5 is provided at the bottom of the stop card 4. The card cover 5 is engaged with the nut 1 to prevent the nut 1 from rotating. A gasket 3 is provided on the stop card 4, and a handle 2 is provided on the gasket 3. The handle 2, gasket 3, stop card 4 and card cover 5 are all sleeved on the threaded portion of the valve stem 12, and one of the nuts 1 is pressed on the handle 2 to press the handle 2, gasket 3, stop card 4 and card cover 5.
[0023] The specific implementation method is as follows: by providing an anti-static device 10 at the connection between the valve stem 12 and the valve core 18 and at the connection between the valve stem 12 and the inner wall of the placement hole 173, the safety during the use of the ball valve is effectively guaranteed; a limit ring 19 is provided at the connection between the inner wall of the spherical hole 175 and the valve core 18, so that the arc groove of the limit ring 19 always fits with the spherical surface of the valve core 18, ensuring good sealing when the valve core 18 rotates; a sealing ring 14 is slidingly provided on the side wall of the end cover 13, and the sealing ring 14 is pushed by rotating the adjusting column 15 so that the arc groove of the sealing ring 14 fits closely with the spherical surface of the valve core 18, ensuring good sealing when the valve core 18 rotates The sealing performance is good when the valve core 18 is in motion, and the adjustment is simple and convenient. The sealing performance of the valve core 18 when rotating can be adjusted in real time as needed. Even if the valve core 18 is worn out after long-term use, the sealing ring 14 can be adjusted to be close to the valve core 18 to ensure the sealing performance and extend the service life of the valve core 18. The spring washer 6, the sleeve 7, the packing 8 and the O-ring 9 are pressed tightly into the placement hole 173 through one of the nuts 1 to prevent the liquid from leaking upward, with good sealing performance. The handle 2 is locked to the top of the valve stem 12 through another nut 1. Turning the handle 2 can drive the valve stem 12 to rotate, thereby realizing the valve core 18 to open and close the ball valve.
[0024] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A two-piece high-platform flange ball valve, comprising a valve body (17) and an end cover (13), wherein the end cover (13) is arranged on the side wall of the valve body (17), characterized in that: A spherical hole (175) is provided in the valve body (17), a water outlet hole (171) is provided on the side wall of the valve body (17), a connecting portion (172) is provided on the valve body (17), a placement hole (173) is provided in the connecting portion (172), a threaded water inlet hole (131) and a receiving hole (132) are provided on the side wall of the end cover (13), a sealing ring (16) is provided at the connection between the end cover (13) and the valve body (17), and a rotating ring (16) is provided in the spherical hole (175). A valve core (18) is provided, the valve core (18) is spherical in structure, a through hole (181) is provided in the valve core (18), a limiting ring (19) is embedded in the connection between the water outlet (171) and the valve core (18), a sealing ring (14) is slidingly provided in the side wall of the end cover (13), an adjusting column (15) is threadedly connected to the threaded water inlet hole (131), the side wall of the adjusting column (15) abuts against the side wall of the sealing ring (14), and a valve is provided on the top of the valve core (18). The valve stem (12) is located in the accommodating hole (132), the upper end of the valve stem (12) passes through the accommodating hole (132) and extends above it, a thrust washer (11) is provided at the connection between the valve stem (12) and the inner wall of the accommodating hole (132), an O-type sealing ring (9) is provided in the accommodating hole (132), a packing (8) is provided on the top of the O-type sealing ring (9), a shaft sleeve (7) is provided on the top of the packing (8), and a spring is provided on the top of the shaft sleeve (7). A spring washer (6), a threaded portion is provided at the top of the valve stem (12), two nuts (1) are threadedly connected to the threaded portion, one of the nuts (1) is pressed against the spring washer (6), a stop card (4) is provided at the top of the connecting portion (172), a card cover (5) is provided at the bottom of the stop card (4), the card cover (5) is engaged with the nut (1), a gasket (3) is provided on the stop card (4), and a handle (2) is provided on the gasket (3).
2. A two-piece high platform flange ball valve according to claim 1, characterized in that: The cross-section of the lower end of the valve stem (12) is T-shaped, and the side wall of the valve stem (12) located inside the valve core (18) is embedded with an anti-static device (10), and the upper portion of the lower end of the valve stem (12) is also embedded with an anti-static device (10).
3. The two-piece high-platform flange ball valve according to claim 1, characterized in that: The O-ring (9), filler (8), sleeve (7) and spring washer (6) are all sleeved on the outer circumference of the valve stem (12); the handle (2), gasket (3), stopper card (4) and card cover (5) are all sleeved on the threaded portion of the valve stem (12); and one of the nuts (1) is pressed tightly against the handle (2).
4. The two-piece high-platform flange ball valve according to claim 1, characterized in that: A water hole (151) is provided in the middle of the regulating column (15), and a hexagonal groove is provided on the side wall of the regulating column (15).
5. The two-piece high-platform flange ball valve according to claim 1, characterized in that: The sealing ring (14) is slidably arranged in the side wall of the first connecting plate (133), and a spherical groove is provided in the middle of the side wall of the sealing ring (14) to fit the spherical surface of the valve core (18).
6. The two-piece high-platform flange ball valve according to claim 1, characterized in that: The arcuate surface of the limiting ring (19) fits the spherical surface of the valve core (18).
7. The two-piece high-platform flange ball valve according to claim 1, characterized in that: A second connecting plate (174) is provided at the other end of the valve body (17), and a first connecting plate (133) is provided at one side of the end cover (13), and the first connecting plate (133) and the second connecting plate (174) are locked by bolts.
8. The two-piece high-platform flange ball valve according to claim 1, characterized in that: The water outlet hole (171) is in communication with the spherical hole (175), the placement hole (173) is in communication with the spherical hole (175), and the through hole (181) is in communication with the threaded water inlet hole (131) and the water outlet hole (171).