一种高压球阀

By designing sealing elements and limiting structures in high-pressure ball valves, the leakage problem during oil port connection is solved, ensuring sealing performance and operational accuracy and efficiency. This technology is applied to a specific field that R&D personnel can implement, specifically involving the design and manufacture of ball valves.

CN224516000UActive Publication Date: 2026-07-17NINGBO BOLEV HYDRAULIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO BOLEV HYDRAULIC CO LTD
Filing Date
2025-06-26
Publication Date
2026-07-17

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Abstract

本实用新型公开了一种高压球阀,属于球阀技术领域,包括阀体、阀体和密封件阀体内设置有可转动的阀芯球;连接件设置有两个,两个所连接件均阀体连接且分布与阀芯球左右两侧,左侧的所述连接件上开设有油口一,所述阀体上开设有油口二,右侧的所述连接件上开设有油口三,所述阀芯球上开设有通道;密封件设置有两个,两个密封件分别分布于阀芯球的左右两侧,所述密封件上开设有连通孔,所述密封件包括弧形部,所述弧形部的一侧与阀芯球贴合,所述弧形部的另一侧固定有插入部,当油口三压力大于其他连通油口压力时,油液进入插入部的端面,从而推动密封件产生浮动,仍能保证油口三与阀芯球的密封,使得油口三与阀芯球仍处于密封状态。
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Claims

1. A high pressure ball valve characterized by, include: The valve body (1) contains a rotatable valve core ball (4). There are two connectors (2), both of which are connected to the valve body (1) and distributed on the left and right sides of the valve core ball (4). The left connector (2) has an oil port one (21) and the valve body (1) has an oil port two (11). The right connector (2) has an oil port three (23) and the valve core ball (4) has a channel (41). There are two sealing elements (3), which are respectively distributed on the left and right sides of the valve core ball (4). The sealing element (3) has a connecting hole (31). The sealing element (3) includes an arc-shaped part (32). One side of the arc-shaped part (32) is in contact with the valve core ball (4), and the other side of the arc-shaped part (32) is fixed with an insertion part (33).

2. A high pressure ball valve according to claim 1, characterized in that: The connector (2) has a slot (24) inside.

3. A high pressure ball valve according to claim 2, characterized in that: The insertion part (33) is provided with an annular groove (34), and a sealing ring (35) is fitted on the annular groove (34).

4. A high pressure ball valve according to claim 3, characterized in that: A valve stem (5) is rotatably connected to the valve body (1), and the valve stem (5) is connected to the valve core ball (4).

5. A high pressure ball valve according to claim 4, characterized in that: The valve core ball (4) has a connecting groove (42), and the lower end of the valve stem (5) is fixed with a connecting block (52), which is inserted into the connecting groove (42).

6. A high pressure ball valve according to claim 5, characterized in that: A sealing ring 2 (55) is fitted on the valve stem (5).

7. A high pressure ball valve according to claim 4, characterized in that: A limiting rod (6) is fixed on the valve body (1), a limiting ring (53) is fixed on the valve stem (5), the limiting ring (53) has a limiting groove (54), and the limiting rod (6) contacts the side wall of the limiting groove (54).

8. A high pressure ball valve according to claim 7, characterized in that: A handle (51) is fixed to the top of the valve stem (5).

9. A high pressure ball valve according to claim 8, characterized in that: The handle (51) is provided with an L-groove (7).

10. A high pressure ball valve according to claim 1, characterized in that: The valve core ball (4) is provided with a pressure-flattening hole (43).