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CN-224214828-U - Self-locking butt-joint ball valve

CN224214828UCN 224214828 UCN224214828 UCN 224214828UCN-224214828-U

Abstract

The utility model relates to the technical field of valve joints, in particular to a self-locking butt-joint ball valve which comprises a valve body, a valve core, a knob, a pair of connecting structures and a self-locking device, wherein the valve body is provided with an axially through flow channel, the valve core is rotatably arranged in the flow channel, the valve core is provided with a through hole, the knob is rotatably arranged on the valve body, the knob is connected with the valve core, the knob is used for driving the valve core to rotate so as to switch the flow channel, one axial end of the valve body is provided with the pair of connecting structures, the pair of connecting structures are used for locking a pair of valve bodies and communicating the pair of flow channels to realize butt joint of the pair of ball valves, the valve body is provided with the self-locking device, the self-locking device comprises a first pin body and a first elastic piece, the first pin body is movably arranged on the valve body, one end of the first pin body is provided with a contact, and a self-locking member is arranged between the first pin body and the knob. The safety of using is increased, and the portable electric heating device has the advantage of high using convenience.

Inventors

  • CAI WEICHAO
  • ZHOU JIECHUANG
  • LI HONGGUANG
  • Gui Qiqi

Assignees

  • 比赫电气（太仓）有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (10)

  1. 1. The self-locking butt-joint ball valve comprises a valve body (1), wherein a flow passage (10) which is axially communicated is arranged on the valve body (1); the valve core (2) is rotatably arranged in the flow channel (10), and a through hole (20) is formed in the valve core (2); The knob (3) is rotatably arranged on the valve body (1), the knob (3) is connected with the valve core (2), and the knob (3) is used for driving the valve core (2) to rotate so as to switch the flow channel (10) to be opened and closed; the method is characterized in that: One axial end of the valve body (1) is provided with a pair of connecting structures which are used for locking the pair of valve bodies (1) and communicating a pair of flow passages (10) so as to realize the butt joint of a pair of ball valves; The self-locking device (4) is arranged on the valve body (1), the self-locking device (4) comprises a first pin body (41) and a first elastic piece (42), the first pin body (41) is movably arranged on the valve body (1), one end of the first pin body (41) is provided with a contact (411), and a self-locking component is arranged between the first pin body (41) and the knob (3); When the ball valve is not in butt joint and the runner (10) is at least in a closed state, the first elastic piece (42) axially abuts against the first pin body (41) to elastically push the contact (411) out of one end of the valve body (1) close to the butt joint structure, at the moment, the self-locking component is coupled, and the knob (3) cannot move; When the pair of ball valves are in butt joint, the contacts (411) on two sides are in axial butt joint to drive the first pin body (41) to axially move for a preset distance, at the moment, the self-locking component is decoupled, and the knob (3) can move.
  2. 2. The self-locking butt-joint ball valve according to claim 1, wherein the butt-joint structure comprises a locking groove (121) and a locking plate (122) which extend in an arc manner, an inserting groove (123) which is matched with the locking plate (122) is formed in one side of the locking groove (121), the inserting groove (123) is formed in one side of the circumferential extending direction of the locking groove (121), and the pair of ball valves axially enter the inserting groove (123) in the other side through the locking plate (122) on one side and then circumferentially rotate until the locking plate (122) enters the locking groove (121) to realize butt joint.
  3. 3. The self-locking butt ball valve according to claim 2, further comprising a limiting surface (124), wherein the limiting surface (124) is disposed at one end of the locking groove (121) away from the insertion groove (123) in the circumferential direction, and the limiting surface (124) is used for limiting the locking piece (122) entering the locking groove (121) to abut against the limiting surface (124) when the locking piece (122) rotates to abut against the limiting surface (124).
  4. 4. The self-locking butt-joint ball valve of claim 1, wherein the self-locking member comprises a lock cavity (31) positioned on the knob (3) and a clamping protrusion (412) positioned on the first pin body (41), the clamping protrusion (412) enters the lock cavity (31) when the self-locking member is coupled, the clamping protrusion (412) moves out of the lock cavity (31) when the self-locking member is decoupled, the number of the lock cavities (31) is 2, and the pair of lock cavities (31) are opposite to the clamping protrusion (412) when the knob (3) rotates to the runner (10) in an open state or a closed state.
  5. 5. The self-locking butt-joint ball valve according to claim 4, wherein the lock cavity (31) is arranged on the end face of the knob (3) near one side of the valve body (1), the movable cavity (32) is arranged on the knob (3) on the radial inner side of the lock cavity (31), and the movable cavity (32) is used for accommodating the clamping protrusion (412) when the self-locking component is decoupled.
  6. 6. The self-locking butt-joint ball valve according to claim 4, wherein the valve body (1) is provided with a limit seat (13), the first pin body (41) is slidably mounted on the limit seat (13), the limit seat (13) is provided with a containing groove (130) for containing the first pin body (41), one end of the first elastic piece (42) is abutted against the first pin body (41), the other end of the first elastic piece is abutted against the containing groove (130), an annular limit cap (131) is mounted at the opening end, far away from the knob (3), of the containing groove (130), and when the self-locking member is decoupled, the annular limit cap (131) is used for limiting the first pin body (41) to axially move out of the containing groove (130), and the contact (411) extends out of an inner hole of the annular limit cap (131); The utility model discloses a switch, including contact (411) and valve body, including first round pin body (41), switch, knob (3) and valve body (1), first round pin body (41) keep away from contact (411) one end and are equipped with extension rod (413), extension rod (413) are from accomodating in groove (130) to the direction extension of keeping away from contact (411) and go out, protruding (412) the setting of card is kept away from contact (411) one end at extension rod (413), be equipped with the clearance of accomodating extension rod (413) between knob (3) and valve body (1).
  7. 7. The self-locking butt-joint ball valve according to claim 1, wherein a locking protrusion (511) and a locking hole (14) which are symmetrically arranged are arranged at one end of the valve body (1) close to the connecting structure, a cam transmission surface (33) is arranged on the knob (3), a second pin body (51) is slidably arranged on the valve body (1), the locking protrusion (511) is arranged at one axial end of the second pin body (51), the second pin body (51) is elastically abutted against the cam transmission surface (33) away from the locking protrusion (511), and the knob (3) can drive the second pin body (51) to move through the cam transmission surface (33) in the rotating process; after the ball valves are in butt joint, the knob (3) rotates until the runner (10) is in an open state, the locking lugs (511) on two sides mutually enter locking holes (14) on the opposite sides so as to limit the circumferential rotation of the ball valves, and when the knob (3) rotates until the runner (10) is in a closed state, the locking lugs (511) on two sides move out of the locking holes (14).
  8. 8. The self-locking butt-joint ball valve according to claim 1, wherein a limit ball (6) is arranged between the knob (3) and the valve body (1), a movable groove (34) for accommodating the limit ball (6) is formed at one end of the knob (3) close to the valve body (1), at least one limit groove (15) which is suitable for the limit ball (6) is formed at one end of the valve body (1) close to the knob (3), and the limit ball (6) is opposite to the limit groove (15) when the knob (3) rotates to the opening of the runner (10); The valve further comprises an adjusting rod (35), the adjusting rod (35) is axially movably arranged on the knob (3), the adjusting rod (35) is arranged at one end, far away from the valve body (1), of the limiting bead (6), a limiting convex surface (351) is arranged on the adjusting rod (35), and when the limiting convex surface (351) is in interference with the limiting bead (6), one end, far away from the limiting convex surface (351), of the limiting bead (6) is extruded out of the movable groove (34) and is limited in the limiting groove (15); When the movable adjusting rod (35) is axially separated from the limiting convex surface (351) and the limiting bead (6), the limiting bead (6) can move in the movable groove (34) towards one end far away from the valve body (1) so as to move out of the limiting groove (15).
  9. 9. The self-locking butt ball valve according to claim 8, wherein one end of the adjusting rod (35) extends out of the knob (3) to form a button (352), and the self-locking butt ball valve further comprises a third elastic piece (36) axially abutted against the adjusting rod (35); The adjusting rod (35) moves to the limit convex surface (351) to be abutted against the limit beads (6) by the elastic force of the third elastic piece (36) in the reset state; The adjusting rod (35) can move to the limit convex surface (351) to be axially separated from the limit beads (6) by pressing the button (352).
  10. 10. The self-locking butt-joint ball valve of claim 1, wherein a connecting column (7) is connected between the knob (3) and the valve core (2), the connecting column (7) radially penetrates through the side wall of the valve body (1) and is rotationally connected with the valve body (1), a sealing ring (71) is arranged between the connecting column (7) and the valve body (1), a limiting cover (8) is arranged on the side wall of the valve body (1), a through hole (80) is arranged on the limiting cover (8), a limiting step (72) axially abutting against the inner side of the limiting cover (8) is arranged on the connecting column (7), and the through hole (80) axially extends out of the connecting column (7) to be connected with the knob (3).

Description

Self-locking butt-joint ball valve Technical Field The utility model relates to the technical field of valve joints, in particular to a self-locking butt-joint ball valve. Background Along with the rapid development of the liquid cooling industry, in order to improve the working efficiency of the liquid cooling equipment during connection, the variety of the quick connectors is rapidly increased, and the matched quick connectors can be found in different liquid cooling equipment, so that the normal operation of the liquid cooling equipment is ensured. When the connector is disconnected, the pipeline is often required to be cut off, the valve body switch is often integrated with the existing connector, but the liquid leakage caused by the fact that the switch is touched by mistake cannot be guaranteed when the connector is closed. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides the self-locking butt-joint ball valve, which has the advantages of increased use safety and high use convenience. In order to achieve the above object, the present utility model is realized by the following technical scheme: a self-locking butt ball valve comprising: The valve body is provided with an axially-through runner; The valve core is rotatably arranged in the flow channel and is provided with a through hole; The knob is rotatably arranged on the valve body and connected with the valve core, and the knob is used for driving the valve core to rotate so as to switch the flow passage; One axial end of the valve body is provided with a pair of connecting structures which are used for locking the pair of valve bodies and communicating the pair of flow channels so as to realize the butt joint of the pair of ball valves; the self-locking device comprises a first pin body and a first elastic piece, wherein the first pin body is movably arranged on the valve body, one end of the first pin body is provided with a contact, and a self-locking component is arranged between the first pin body and the knob; When the ball valve is not in butt joint and the runner is at least in a closed state, the first elastic piece axially abuts against the first pin body to elastically push the contact out of one end of the valve body, and at the moment, the self-locking component is coupled, and the knob cannot move; When a pair of ball valves are in butt joint, the contacts on two sides are in axial butt joint to drive the first pin body to axially move for a preset distance, at the moment, the self-locking component is decoupled, and the knob can move. Furthermore, the self-locking butt-joint ball valve comprises a locking groove and locking plates, wherein the locking groove and the locking plates extend in an arc mode, an inserting groove matched with the locking plates is formed in one side of the locking groove, the inserting groove is formed in one side of the circumferential extending direction of the locking groove, and the ball valve axially enters the inserting groove at the other side through the locking plates at one side and then circumferentially rotates until the locking plates enter the locking groove to realize butt joint. As a preferable scheme of the application, the application has the advantages of simple connection and convenient disassembly. Further, the self-locking butt ball valve further comprises a limiting surface, wherein the limiting surface is arranged at one end, far away from the insertion groove, of the circumferential direction of the locking groove, and is used for limiting the locking plate entering the locking groove to rotate until the locking plate abuts against the limiting surface, and contacts at two sides are mutually abutted. As a preferred embodiment of the application, the limiting surface is used for realizing circumferential positioning of the ball valve after the butt joint. Further, the self-locking butt-joint ball valve comprises a lock cavity positioned on a knob and a clamping protrusion positioned on a first pin body, wherein the clamping protrusion enters the lock cavity when the self-locking member is coupled, the clamping protrusion moves out of the lock cavity when the self-locking member is decoupled, the number of the lock cavities is 2, and the pair of lock cavities are opposite to the clamping protrusion when the knob rotates to a state that a runner is opened or closed. Further, according to the self-locking butt ball valve, the lock cavity is arranged on the end face of the knob close to one side of the valve body, the movable cavity is arranged on the radial inner side of the lock cavity on the knob, and when the self-locking component is decoupled, the movable cavity is used for accommodating the clamping protrusion. When the knob rotates, the movable cavity is used for giving up the space for the relative movement of the clamping convex. Further, in the self-locking type butt-joint ball valve disclosed by the application, the val