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CN-122014943-A - Self-locking quick ball valve joint and joint system

CN122014943ACN 122014943 ACN122014943 ACN 122014943ACN-122014943-A

Abstract

The application relates to a self-locking quick ball valve joint and a joint system, and relates to the technical field of joint connection. The connector valve body is provided with a connecting end part, a control containing cavity, a self-locking hole and an interlocking hole, the valve rod assembly comprises a rotating part and a control part, the control part is arranged in the control containing cavity and is provided with a self-locking groove, and the self-locking assembly comprises a self-locking rod piece and a self-locking spring which are positioned in the self-locking hole, and a self-locking ball which is positioned in the interlocking hole. The self-locking rod piece is provided with an unlocking ring groove and a self-locking structure, when the self-locking groove on the control part rotates to be aligned with the locking hole, the self-locking structure drives the self-locking ball to be clamped into the self-locking groove to realize locking, and when the self-locking rod piece is unlocked, the self-locking ball enters the unlocking ring groove to be separated from the self-locking groove to release locking. The application has the effect of improving the safety of joint connection.

Inventors

  • WANG CHANGLIN
  • YU JUN
  • YI SONGDA
  • ZHANG QINGSONG
  • ZHOU RONGHUA
  • DU LEI
  • SHI HAIFENG
  • WANG JIACHEN
  • TANG CHEN
  • CHENG YUQIANG

Assignees

  • 宁波市天基隆智控技术有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (12)

  1. 1. A self-locking quick ball valve joint comprising: a joint valve body (1) having a connection end (11); The valve core (2) is rotatably arranged in the joint valve body (1); the valve rod assembly (3) is rotatably arranged on the connector valve body (1) and connected with the valve core (2) and is used for driving the valve core (2) to be opened and closed; the self-locking device is characterized by further comprising a handle assembly (6) and a self-locking assembly (4); The valve rod assembly (3) is provided with a control part (32) and a mounting part (33); The connector valve body (1) is also provided with a control containing cavity (152) for the control part (32) to rotate and is provided with a first locking groove (155); the handle assembly (6) comprises a locking bolt (61) penetrating through the mounting part (33), an eccentric handle (63) connected to the top of the locking bolt (61) and an elastic piece (62) arranged between the locking bolt (61) and the mounting part (33) for driving the locking bolt (61) to move towards the connector valve body (1) all the time; the self-locking assembly (4) comprises a self-locking rod piece (41) capable of moving along the butt joint direction and a movable self-locking ball (43); the connector valve body (1) is provided with an interlocking hole (153) communicated with the control accommodating cavity (152) and the movable space of the self-locking rod piece (41), and the self-locking ball (43) is accommodated in the interlocking hole (153); the control part (32) is provided with a self-locking groove (321) for the self-locking ball (43) to be clamped in; The handle assembly (6) and the self-locking assembly (4) are configured such that when the valve core (2) is closed, the self-locking rod piece (41) is matched with the self-locking groove (321) through the self-locking ball (43), the locking bolt (61) can be inserted into the first locking groove (155) to limit rotation of the handle assembly (6) and the valve rod assembly (3), and when the self-locking assembly (4) is unlocked, the handle assembly (6) can drive the valve rod assembly (3) to rotate.
  2. 2. The self-locking quick ball valve joint according to claim 1, wherein the joint valve body (1) is provided with a self-locking hole (111) which is parallel to a butt joint direction and is used for the self-locking assembly (4) and a linkage hole (153) which is communicated with the control containing cavity (152) and the self-locking hole (111) at the connecting end part (11), the self-locking assembly (4) further comprises a self-locking spring (42) which is arranged at the inner side of the self-locking rod piece (41) and drives the self-locking rod piece (41) to always have a movement trend towards the butt joint direction, the control part (32) is provided with a self-locking groove (321) for the self-locking balls (43) to be clamped in, the self-locking groove (321) comprises a first locking groove (3211) and a second locking groove (3212) which are distributed along the circumferential direction, the self-locking rod piece (41) is provided with an unlocking ring groove (4111) used for the balls (43) to be contained so as to separate the self-locking balls (43) from the self-locking groove (321), and the self-locking groove (321) is positioned at the inner side of the self-locking rod piece (41) and is opposite to the self-locking groove (321) and is closed when the self-locking groove (4112) is clamped into the self-locking groove (321).
  3. 3. The self-locking quick ball valve joint according to claim 2, wherein the joint valve body (1) is provided with a supporting part (15) for supporting the mounting part (33), the supporting part (15) is further provided with a second locking groove (156) for inserting the locking bolt (61), the eccentric handle (63) drives the valve rod assembly (3) to rotate when the self-locking ball (43) is placed in the unlocking ring groove (4111), and the locking bolt (61) is inserted into the second locking groove (156) when the self-locking ball (43) is placed in the second locking groove (3212).
  4. 4. A self-locking quick ball valve joint according to claim 3, wherein an eccentric rotating shaft (6321) is mounted at the end of the eccentric handle (63), the locking bolt (61) is provided with a driving through hole (612) for the eccentric rotating shaft (6321) to penetrate, and the eccentric rotating shaft (6321) is matched with the driving through hole (612) so that the swinging of the eccentric handle (63) can drive the locking bolt (61) to move along the axial direction, so that the locking bolt (61) and the first locking groove (155) or the second locking groove (156) can be locked or unlocked.
  5. 5. The self-locking quick ball valve joint according to claim 2, further comprising an interlocking assembly (5), wherein the joint valve body (1) is provided with an interlocking outlet hole (112) and an interlocking inlet hole (113) which are parallel to the butt joint direction, the interlocking assembly (5) comprises an interlocking piece (51) movably installed in the interlocking outlet hole (112), an interlocking driving structure is arranged between the control part (32) and the interlocking piece (51), the control part (32) drives the interlocking piece (51) to stretch in the interlocking outlet hole (112) through the interlocking driving structure, and the interlocking piece (51) on one joint valve body (1) can penetrate into the interlocking inlet hole (113) of the other joint valve body (1).
  6. 6. The self-locking quick ball valve joint according to claim 5, wherein the joint valve body (1) is provided with a transmission lock hole (154) communicated with the interlocking outlet hole (112) and the control cavity (152), the interlocking driving structure comprises interlocking grooves (511) which are arranged on the interlocking piece (51) at intervals along the length direction and interlocking convex teeth (322) which are circumferentially arranged on the control part (32) around the rotation axis of the valve core (2), and the interlocking convex teeth (322) and the interlocking grooves (511) are meshed in the transmission lock hole (154).
  7. 7. The self-locking quick ball valve joint according to claim 2, further comprising a port sealing assembly (7), wherein the port sealing assembly (7) comprises a sealing ring main body (71), a first sealing ring flap (72) and a second sealing ring flap (73) which are respectively arranged on the inner wall of the sealing ring main body (71), the end parts of the first sealing ring flap (72) and the second sealing ring flap (73) are outwards and obliquely arranged towards the two sides of the sealing ring main body (71), a port sealing ring groove (16) for the first sealing ring flap (72) to be inserted and arranged is formed in the joint valve main body (1), an anti-falling convex ring (17) is arranged at the groove edge of the port sealing ring groove (16), and a compression sealing cavity is formed between the first sealing ring flap (72) and the second sealing ring flap (73).
  8. 8. The self-locking quick ball valve joint according to claim 2, further comprising a valve core sealing assembly (8), wherein the valve core sealing assembly (8) comprises a sealing ring main body (81) and a first sealing part (82) and a second sealing part (83) symmetrically arranged on two sides of the sealing ring main body (81), the first sealing part (82) comprises a first static lip (821) facing the valve core (2), a first movable lip (822) and a first extrusion groove (823) located between the first static lip (821) and the first movable lip (822), the second sealing part (83) comprises a second static lip (831) facing the valve core (2), a second movable lip (832) and a second extrusion groove (833) located between the second static lip (831) and the second movable lip (832), and inner rings of the first movable lip (822) and the second movable lip (832) are abutted against the outer wall (2) of the valve core.
  9. 9. The self-locking quick ball valve joint according to claim 8, wherein a valve core sealing ring groove (18) for embedding and installing the sealing ring main body (81) is formed in the joint valve body (1), the outer annular wall of the first static lip (821) and the outer annular wall of the second static lip (831) are attached to the groove wall of the valve core sealing ring groove (18), a first annular surface (811) is formed in the sealing ring main body (81) towards the groove bottom of the valve core sealing ring groove (18), a first buffer cavity (84) is formed between the first annular surface (811) and the valve core sealing ring groove (18), a second annular surface (812) is formed in the sealing ring main body (81) towards the valve core (2), and a second buffer cavity (85) is formed between the second annular surface (812) and the outer wall of the valve core (2).
  10. 10. The self-locking quick ball valve joint according to claim 2, wherein the joint valve body (1) is provided with at least two connecting convex parts (114) which are circumferentially arranged at the connecting end part (11), and connecting baffle plates (115) which are arranged at intervals with the connecting convex parts (114), a connecting groove (116) for the connecting convex parts (114) to be clamped in is arranged between the connecting baffle plates (115) and the connecting end part (11), and a yielding groove (1151) which is arranged at intervals with the connecting groove (116) and is used for the connecting convex parts (114) to pass through is formed in the connecting baffle plates (115); The circumferential dimensions of at least two connecting convex parts (114) are set to be different from each other, and the circumferential dimensions of the abdication grooves (1151) are set in one-to-one correspondence with the connecting convex parts (114) so as to form an error-proof butt joint structure; The end of the connecting protrusion (114) is provided with a radially outwardly protruding anti-drop flange (1141).
  11. 11. The self-locking quick ball valve joint according to claim 2, wherein the valve rod assembly (3) comprises a rotating portion (31) connected with the valve core (2) and the control portion (32), an adjusting hole (151) for enabling the rotating portion (31) to be arranged in a rotating mode is formed in the joint valve body (1), a rotary sealing groove (311) is formed in the rotating portion (31) in the circumferential direction, the valve rod assembly (3) comprises a rotary sealing ring (312) mounted in the rotary sealing groove (311), the outer annular wall of the rotary sealing ring (312) is abutted against the hole wall of the adjusting hole (151), the valve rod assembly (3) further comprises a valve rod fixing pin (34) connected with the rotating portion (31) and the valve core (2), the valve rod fixing pin (34) is overlapped with the rotating axis of the valve core (2), and a sealing gasket (35) is arranged between the valve rod fixing pin (34) and the rotating portion (31).
  12. 12. A self-locking quick ball valve joint system comprising two self-locking quick ball valve joints according to claim 5 or 6, which are butted by a connecting end (11) and interlocked by an interlocking assembly (5).

Description

Self-locking quick ball valve joint and joint system Technical Field The application relates to the field of joint connection, in particular to a self-locking quick ball valve joint and a joint system. Background In a fluid pipeline system, a ball valve joint is used as an important opening and closing and controlling assembly and is widely applied to the scenes of pipeline connection, flow control and the like. In particular, in the environment of rapid development of high-tech industries such as industrial automation, data centers, new energy sources, semiconductor manufacturing, etc., flow control transmission pipelines are an indispensable part. The traditional joint connection adopts a fixed connection mode, namely, two pipeline ends are connected through flange connection or welding and other modes. The traditional connection mode has strong sealing performance but is difficult to detach and connect conveniently, and is difficult to adapt to the connection requirement of rapid development and update. And a part of early quick connectors are easy to operate by mistake when being plugged in and plugged out at high pressure and high frequency, so that the valve is accidentally opened, and potential safety hazards exist. In the complex working conditions of temperature change and multi-chemical medium transmission, safety problems such as leakage and the like are easy to occur, the joint performance is affected, and safety risks can be brought to the whole pipeline system. In view of the above related art, the inventor considers that it is necessary to provide a self-locking rapid ball valve joint with convenient insertion and extraction and better safety performance. Disclosure of Invention In order to improve the safety of joint connection, the application provides a self-locking quick ball valve joint and a joint system. In a first aspect, the self-locking rapid ball valve joint provided by the application adopts the following technical scheme: A self-locking quick ball valve connector comprises a connector valve body, a valve core, a valve rod assembly, a control part, a mounting part, a control cavity, a handle assembly and a self-locking assembly, wherein the connector valve body is provided with a connecting end part, the valve core is rotatably arranged in the connector valve body, the valve rod assembly is rotatably arranged in the connector valve body and connected with the valve core for driving the valve core to open and close, the valve rod assembly is provided with the control part and the mounting part, the connector valve body is further provided with the control cavity for the control part to be rotatably arranged, the control part is further provided with a first locking groove, the self-locking quick ball valve connector further comprises the handle assembly and the self-locking assembly, the handle assembly comprises a locking bolt penetrating through the mounting part, an eccentric handle connected to the top of the locking bolt and an elastic piece arranged between the locking bolt and the mounting part and driving the locking bolt to move towards the connector valve body all the time, the self-locking assembly comprises a self-locking rod capable of moving along the butt joint direction and a movable self-locking ball, the connector valve body is provided with a coupling communicating the control cavity and the movable space of the self-locking rod, the self-locking ball, the self-locking assembly is accommodated in the coupling groove, the control cavity is rotatably arranged in the coupling cavity, and the self-locking ball assembly is capable of being rotatably matched with the handle assembly, and the self-locking assembly is capable of being driven by the self-locking ball assembly, and the self-locking assembly when the self-locking ball assembly is rotatably inserted into the locking groove and the locking assembly. Through adopting above-mentioned technical scheme, set up the cooperation of handle subassembly, auto-lock subassembly and control portion, under the state that the case was closed, control portion and auto-lock member and auto-lock ball cooperation realize the mechanical locking to valve rod subassembly pivoted, increased lock bolt and eccentric handle in the handle subassembly simultaneously, can insert the lock bolt in the first locked groove, realized the locking on eccentric handle and the joint valve body, can reduce the mistake of valve rod subassembly under the valve closed state and open, improved the safety in utilization and the stability of auto-lock quick ball valve joint. The connector valve comprises a connector valve body, a control part and a valve core, wherein the connector valve body is provided with a self-locking hole parallel to the butt joint direction and used for enabling a self-locking assembly to be arranged and an interlocking hole communicated with a control containing cavity and the self-locking hole at the connecting end part, the s