CN219299979U - Conjoined double-control locking valve - Google Patents

Abstract

The utility model discloses a conjoined double-control locking valve, which comprises a valve body, a first ball body and a second ball body, wherein the first ball body and the second ball body are arranged in the valve body; the first ball body is connected with a first valve rod, one end of the first valve rod is connected with the first ball body, and the other end of the first valve rod is arranged outside the valve body and connected with the handle; the second ball body is connected with a second valve rod, one end of the second valve rod is connected with the second ball body, and the other end of the second valve rod is arranged outside the valve body and is used for being connected with a primary locking tool for opening and closing the locking ball valve and a magnetic password locking cap so as to open and close the locking ball valve. According to the conjoined double-control locking valve disclosed by the utility model, the two spheres are adopted in the valve, and the double valves are arranged, so that the valve has the functions of double opening and double locking, and the two valves can work independently or simultaneously, so that the sealing performance of the valve can be ensured, and when a pipeline leaks, a user can close the valve by himself, the convenience of use of the user is improved, and unnecessary economic loss is avoided.

Description

Conjoined double-control locking valve

Technical Field

The utility model relates to the technical field of valves, in particular to a connected double-control locking valve.

Background

The locking valve is a valve device with very high utilization rate and safety coefficient, can realize the control on-off of liquid in the pipeline through the locking valve, realize effective control to heating and water supply, after realizing control blocking, the locking valve has the function of being non-destroyed and being unable to be opened at will after closing, and current locking valve is mostly single control locking valve, and the leakproofness of valve can not be guaranteed to single control locking valve, and if meet the emergency that the pipeline revealed, the user can not close the valve by oneself, brings very big inconvenience for the user, causes the loss to enterprise and individual.

Disclosure of Invention

The present utility model provides a one-piece double control locking valve to overcome the above problems.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides a disjunctor double control locking valve, includes valve body and locates first spheroid and second spheroid in the valve body, first spheroid is manual ball valve spheroid, the second spheroid is locking ball valve spheroid; the first ball body is connected with a first valve rod, one end of the first valve rod is connected with the first ball body, and the other end of the first valve rod is arranged outside the valve body and connected with the handle; the second ball body is connected with a second valve rod, one end of the second valve rod is connected with the second ball body, and the other end of the second valve rod is arranged outside the valve body and is used for being connected with a primary locking tool for opening and closing the locking ball valve.

Further, a first convex neck and a second convex neck which are communicated with the inner cavity of the valve body are arranged on the valve body, and an included angle between the axis of the first convex neck and the axis of the second convex neck is 90 degrees; the first valve rod is arranged in the first convex neck, and the second valve rod is arranged in the second convex neck.

Further, a rectangular groove is formed in the top of the second valve rod, a magnetic pin groove is formed in the second valve rod, a magnetic pin is arranged in the magnetic pin groove, two clamping grooves are formed in the inner wall of the second convex neck, when the rectangular groove is perpendicular to the valve body, the clamping grooves are communicated with the magnetic pin grooves, at the moment, the outer ends of the two magnetic pins enter the clamping grooves under the action of homopolar repulsion of magnetic poles, and the locking ball valve is in a one-time locking state; the utility model provides a locking ball valve, including the handle, the handle is connected to the locking tool, the handle is connected to the handle, the internal protruding pole that is equipped with of cap, the internal wall of cap is equipped with magnet, when the locking tool of once detains in the protruding neck department of second, protruding pole one end is located in the rectangle recess, magnet through magnetic force drive the magnetism round pin in the magnetism round pin inslot removes out the draw-in groove makes magnetism round pin gets into completely in the magnetism round pin inslot, at this moment protruding pole can drive the second valve rod is in the protruding neck of second rotates, works as the rectangle recess with the valve body is parallel, and the locking ball valve is the open state.

Further, an annular groove is arranged outside the second convex neck; the magnetic coded lock cap comprises a lock cylinder and a lock sleeve sleeved outside the lock cylinder, a first spring is arranged at the top of the lock cylinder, one end of the first spring is abutted with the lock sleeve, and the other end of the first spring is abutted with the lock cylinder; the lock cylinder is provided with a magnetic column hole for installing a magnetic column and a pin hole for installing a limiting pin, a second spring is arranged between the magnetic column in the magnetic column hole and the inner wall of the magnetic column hole, the second spring is arranged between the limiting pin in the pin hole and the inner wall of the pin hole, the inner wall of the lock sleeve is provided with a magnetic column limiting clamping table and a limiting pin clamping table, one end of the limiting pin is arranged in the pin hole and is abutted with the second spring, the other end of the limiting pin is arranged at the limiting pin clamping table and can slide on the inner wall of the lock sleeve communicated with the limiting pin clamping table, and the limiting pin is used for preventing the lock cylinder from being completely ejected out of the lock sleeve; the lock cylinder is also provided with a ball hole, a limiting ball is arranged in the ball hole, the ball hole is of a non-through hole structure capable of preventing the limiting ball from falling out of the inner side of the lock cylinder, and the limiting ball can move radially in the ball hole; the lock sleeve is characterized in that a limiting ball clamping table is arranged at the position, corresponding to the limiting ball, of the inner wall of the lock sleeve, when the magnetic password lock cap is buckled at the second convex neck by using external force, the first spring at the top of the lock cylinder is compressed by the external force, the lock cylinder moves towards the top direction of the lock sleeve, the limiting ball moves from the limiting ball clamping table to the inner wall of the lock sleeve, one side, close to the second convex neck, of the limiting ball stretches out of the ball hole to be clamped with the annular groove on the second convex neck, and under the action of the elastic force of the second spring, one end at the outer side of the magnetic column slides into the magnetic column limiting clamping table, and the locking ball valve is in a secondary locking state at the moment;

the lock sleeve is characterized in that a positioning fixture block is arranged on the inner wall of the lock sleeve, a positioning groove is formed in the outer wall of the lock cylinder, and the positioning fixture block is arranged in the positioning groove and used for preventing the lock sleeve from rotating relative to the lock cylinder.

The magnetic coded lock cap is opened by using a special tool, the special tool can be buckled on the cap body structure outside the magnetic coded lock cap, the special tool comprises a cap and magnetic blocks inside the cap, the magnetic blocks are consistent with the magnetic columns in number, the magnetic blocks are consistent with the magnetic poles on one side adjacent to the magnetic columns, the magnetic blocks can drive the magnetic columns to move out of the magnetic column limiting clamping table through magnetic force, and the magnetic coded lock cap completely enters the magnetic column hole, and can be separated from the second protruding neck through external force.

Further, two handle limiting blocks are arranged on the handle, and the two handle limiting blocks are oppositely arranged at 180 degrees.

Further, a limit stop is arranged on the first convex neck.

Further, a press cap is arranged at the first convex neck, and the press cap is sleeved outside the first valve rod.

Further, sealing rings are arranged between the second valve rod and the second convex neck, and between the first valve rod and the first convex neck.

Compared with the existing locking valve, the utility model has the beneficial effects that:

according to the conjoined double-control locking valve disclosed by the utility model, two spheres adopted inside, namely the double-valve arrangement, can enable the valve to have double-opening and double-locking functions, and the two valves can work independently or simultaneously, so that the sealing performance of the valve can be ensured, and when a pipeline leaks, a user can close the valve by himself, the convenience of use of the user is improved, and unnecessary economic loss is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a one-piece double-control locking valve according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram II of a structure of a connected double-control locking valve disclosed in an embodiment of the utility model;

FIG. 3 is a cross-sectional view of a one-piece double control latch valve disclosed in an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a two-piece double control locking valve disclosed in an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a conjoined double control locking valve locking ball valve disclosed in an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a one-time locking tool with a connected double-control locking valve according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram II of a one-piece double-control locking valve primary locking tool according to an embodiment of the present utility model;

FIG. 8 is a cross-sectional view of a one-piece double-control locking valve primary locking tool disclosed in an embodiment of the present utility model;

FIG. 9 is a cross-sectional view I (locked state) of a magnetic combination lock cap of a conjoined double control locking valve according to an embodiment of the present utility model;

FIG. 10 is a cross-sectional view II (open state) of a magnetic combination lock cap of a conjoined double control locking valve disclosed in an embodiment of the present utility model;

FIG. 11 is a third cross-sectional view of a magnetic combination lock cap of a conjoined double control locking valve disclosed in an embodiment of the present utility model;

FIG. 12 is a cross-sectional view of a magnetic combination lock cap of a conjoined double control locking valve disclosed in an embodiment of the present utility model;

FIG. 13 is a schematic diagram of a tool special for a conjoined double-control locking valve according to an embodiment of the present utility model;

fig. 14 is a cross-sectional view of a tool special for a conjoined double control locking valve disclosed in an embodiment of the present utility model.

In the figure: 1. a valve body; 101. a first male neck; 102. a second male neck; 103. a limit stop; 104. a clamping groove; 105. an annular groove; 2. a first sphere; 3. a second sphere; 4. a first valve stem; 5. a second valve stem; 501. rectangular grooves; 502. a magnetic pin; 503. a magnetic pin slot; 6. pressing the cap; 7. magnetic cipher lock cap; 701. a lock core; 702. a lock sleeve; 703. a positioning groove; 704. a first spring; 705. a magnetic column; 706. a magnetic column hole; 707. a limiting pin; 708. a pin hole; 709. a second spring; 710. a magnetic column limiting clamping table; 711. a limiting pin clamping table; 712. a ball hole; 713. a limit ball; 714. a limiting ball clamping table; 715. positioning a clamping block; 8. a primary locking tool; 801. a hand lever; 802. a cap body; 803. a protruding rod; 804. a magnet; 9. a handle; 901. a handle limiting block; 10. a seal ring; 11. a special tool; 111. a cap; 112. a magnetic block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

1-4 show a conjoined double-control locking valve provided by the embodiment, comprising a valve body 1, a first ball body 2 and a second ball body 3 which are arranged in the valve body 1, wherein the first ball body 2 is a manual ball valve ball body, and the second ball body 3 is a locking ball valve ball body; the first ball body 2 is connected with a first valve rod 4, one end of the first valve rod 4 is connected with the first ball body 2, and the other end of the first valve rod 4 is arranged outside the valve body 1 and is connected with a handle 9; the second ball body 3 is connected with a second valve rod 5, one end of the second valve rod 5 is connected with the second ball body 3, and the other end of the second valve rod 5 is arranged outside the valve body 1 and is used for being connected and matched with a primary locking tool 8 for opening and closing the locking ball valve.

Specifically, in this embodiment, the end of the first valve rod 4 away from the first ball 2 is further provided with a fixing cap 11, and the fixing cap 11 is used to fix the handle 9 on the first valve rod 4.

According to the conjoined double-control locking valve disclosed by the utility model, two spheres adopted inside, namely the double-valve arrangement, can enable the valve to have double-opening and double-locking functions, and the two valves can work independently or simultaneously, so that the sealing performance of the valve can be ensured, and when a pipeline leaks, a user can close the valve by himself, the convenience of use of the user is improved, and unnecessary economic loss is avoided.

Preferably, the valve body 1 is provided with a first convex neck 101 and a second convex neck 102 which are communicated with the inner cavity of the valve body 1, and an included angle between the axis of the first convex neck 101 and the axis of the second convex neck 102 is 90 degrees; the first valve rod 4 is arranged in the first convex neck 101, and the second valve rod 5 is arranged in the second convex neck 102. When the position of the first convex neck 101 and the second convex neck 102 can influence the opening and closing of the valve, the movement space positions of the handle 9, the magnetic coded lock cap 7 and the special tool 11 can influence the opening and closing of the valve, and the first convex neck 101 and the second convex neck 102 are arranged in different directions of the outer wall of the valve body, so that the mutual interference generated when the handle 9, the magnetic coded lock cap 7 and the special tool 11 move can be effectively avoided, and the smooth actions of the handle 9, the magnetic coded lock cap 7 and the special tool 11 when the valve is opened and closed are ensured.

Preferably, as shown in fig. 1 and 3, a rectangular groove 501 is provided at the top of the second valve rod 5, as shown in fig. 5, a magnetic pin groove 503 is provided in the second valve rod 5, a magnetic pin 502 is installed in the magnetic pin groove 503, two clamping grooves 104 are provided on the inner wall of the second convex neck 102, when the rectangular groove 501 is perpendicular to the valve body 1, the clamping grooves 104 are communicated with the magnetic pin groove 503, and at this time, the outer ends of the two magnetic pins 502 enter the clamping grooves 104 under the action of homopolar repulsion of magnetic poles, and the locking ball valve is in a one-time locking state; as shown in fig. 6-8, the primary locking tool 8 includes a hand lever 801 and a cap body 802 connected to the hand lever 801, a protruding rod 803 is disposed in the cap body 802, a magnet 804 is disposed on an inner wall of the cap body 802, when the primary locking tool 8 is fastened to the second protruding neck 102, one end of the protruding rod 803 is disposed in the rectangular groove 501, the magnet 804 drives the magnetic pin 502 in the magnetic pin groove 503 to move out of the clamping groove 104 through magnetic force, so that the magnetic pin 502 completely enters the magnetic pin groove 503, and at this time, the protruding rod 803 can drive the second valve rod 5 to rotate in the second protruding neck 102, and when the rectangular groove 501 is parallel to the valve body 1, the locking ball valve is in an open state.

Preferably, an annular groove 105 is arranged outside the second convex neck 102; as shown in fig. 9 and 10, the magnetic coded lock cap 7 comprises a lock cylinder 701 and a lock sleeve 702 sleeved outside the lock cylinder 701, a first spring 704 is arranged at the top of the lock cylinder 701, one end of the first spring 704 is abutted against the lock sleeve 702, and the other end is abutted against the lock cylinder 701; a magnetic column hole 706 for installing a magnetic column 705 and a pin hole 708 for installing a limiting pin 707 are formed in the lock cylinder 701, a second spring 709 is arranged between the magnetic column 705 in the magnetic column hole 706 and the inner wall of the magnetic column hole 706, the second spring 709 is arranged between the limiting pin 707 in the pin hole 708 and the inner wall of the pin hole 708, a magnetic column limiting clamping table 710 and a limiting pin clamping table 711 are arranged on the inner wall of the lock sleeve 702, one end of the limiting pin 707 is arranged in the pin hole 708 to be abutted against the second spring 709, the other end of the limiting pin 707 is arranged at the limiting pin clamping table 711 and can slide on the inner wall of the lock sleeve 702 communicated with the limiting pin clamping table 711, so that the lock cylinder 701 is prevented from being completely ejected from the lock sleeve 702; the lock cylinder 701 is further provided with a ball hole 712, a limiting ball 713 is arranged in the ball hole 712, the ball hole 712 is of a non-through hole structure capable of preventing the limiting ball 713 from falling out from the inner side of the lock cylinder 701, and the limiting ball 713 can radially move in the ball hole; a limiting ball clamping table 714 is arranged at a position, corresponding to the limiting ball 713, of the inner wall of the lock sleeve 702, when the magnetic coded lock cap 7 is buckled at the second convex neck 102 by using external force, the first spring 704 at the top of the lock cylinder 701 is compressed by the external force, the lock cylinder 701 moves towards the top direction of the lock sleeve 702, the limiting ball 713 moves from the limiting ball clamping table 714 to the inner wall of the lock sleeve 702, one side, close to the second convex neck 102, of the limiting ball 713 extends out of the ball hole 712 to be clamped with the annular groove 105 on the second convex neck 102, and one end at the outer side of the magnetic column 705 slides into the magnetic column limiting clamping table 710 under the action of the elastic force of the second spring 709, so that the locking ball valve is in a secondary locking state;

as shown in fig. 11 and 12, a positioning block 715 is disposed on the inner wall of the lock sleeve 702, a positioning groove 703 is disposed on the outer wall of the lock cylinder 701, and the positioning block 715 is disposed on the positioning groove 703 to prevent the lock sleeve 702 and the lock cylinder 701 from rotating relative to each other.

The special tool 11 is required to be used for opening the magnetic coded lock cap 7, as shown in fig. 13, the special tool 11 is of a cap body structure capable of being buckled outside the magnetic coded lock cap 7, as shown in fig. 14, the special tool 11 comprises a cap 111 and magnetic blocks 112 inside the cap 111, the number of the magnetic blocks 112 is consistent with that of the magnetic columns 705, the magnetic blocks 112 are consistent with that of the magnetic poles on the adjacent side of the magnetic columns 705, the magnetic blocks 112 can drive the magnetic columns 705 to move out of the magnetic column limiting clamping table 710 through magnetic force, and completely enter the magnetic column holes 706, and at the moment, the magnetic coded lock cap 7 can be separated from the second convex neck 102 through external force.

Preferably, two handle limiting blocks 901 are arranged on the handle 9, and the two handle limiting blocks 901 are oppositely arranged at 180 degrees. Two handle limiting blocks 901 are oppositely arranged at 180 degrees and are used for being matched with the limit stop 103 on the first convex neck 101, so that the angle of rotation of the handle 9 around the first valve rod 4 is 180 degrees, and the handle 9 can be turned around the first valve rod 4 to two directions to realize the closing of the conjoined valve without being limited by the installation space of the valve.

Preferably, the first convex neck 101 is provided with a limit stop 103. The limit stopper 103 is used to limit the rotation angle range of the handle 9 with the handle stopper 901.

Preferably, as shown in fig. 3, a press cap 6 is disposed at the first protruding neck 101, the press cap 6 is sleeved on the outer side of the first valve rod 4, and the press cap 6 is used for assembling the first valve rod 4, so as to ensure the stability of the first valve rod 4 during rotation.

Preferably, sealing rings 10 are disposed between the second valve rod 5 and the second convex neck 102, and between the first valve rod 4 and the first convex neck 101. The sealing ring 10 can improve the sealing performance of the valve and prevent the liquid in the valve body 1 from leaking.

The utility model discloses a specific working process of a conjoined double-control locking valve, which comprises the following steps:

1. closing the conjoined double-control locking valve:

(1) Closing the manual ball valve: rotating the handle 9, and rotating the first valve rod 4 connected with the handle 9, wherein when the handle 9 is vertical to the axis of the valve body 1, the manual ball valve is in a closed state;

(2) Closing the locking ball valve:

a: the primary locking tool 8 is buckled on the second convex neck 102, the lower end of a convex rod 803 in the primary locking tool 8 is clamped with a rectangular groove 501 of the second valve rod 5, a magnet 804 in the primary locking tool 8 drives a magnetic pin 502 in a magnetic pin groove 503 to move out of a clamping groove 104, the magnetic pin 502 completely enters the magnetic pin groove 503, the primary locking tool 8 is rotated, the second valve rod 5 is rotated along with the magnetic pin 502, the length direction of the rectangular groove 501 at the upper end of the second valve rod 5 is vertical to the valve body 1, namely, when the primary locking tool 8 is rotated for 90 degrees, the locking ball valve is in a primary locking state;

b: on the basis of a primary locking state, the magnetic coded lock cap 7 is buckled at the second convex neck 102, the magnetic column 705 in the magnetic coded lock cap 7 is buckled towards the second sphere 3 by external force, the first spring 704 at the top of the lock cylinder 701 is compressed by the external force, the lock cylinder 701 moves towards the top of the lock sleeve 702, one end at the outer side of the magnetic column 705 slides into the magnetic column limit clamping table 710 under the elastic force of the second spring 709, the limit ball 713 moves onto the inner wall of the lock sleeve 702 from the limit ball clamping table 714, the limit ball 713 is close to one side of the second convex neck 102 and stretches out of the ball hole 712 to be clamped with the annular groove 105 on the second convex neck 102, the magnetic coded lock cap 7 cannot be removed from the second convex neck 102 by external force, and the locking ball valve is in a secondary locking state.

2. Opening the conjoined double-control locking valve:

(1) Opening a manual ball valve: rotating the handle 9, wherein the handle 9 drives a valve rod 4, and when the handle 9 is parallel to the axis of the valve body 1, the manual ball valve is in an open state;

(2) Opening a locking ball valve:

a: the special tool 11 is buckled on the magnetic coded lock cap 7, the magnetic block 112 can drive the magnetic column 705 to move out of the magnetic column limiting clamping table 710 through magnetic force and completely enter the magnetic column hole 706, and at the moment, the magnetic coded lock cap 7 can be separated from the second convex neck 102 through external force;

b: when the primary locking tool 8 is used and buckled at the second convex neck 102, the primary locking tool 8 is rotated by 90 degrees, and the locking ball valve is opened.

When the conjoined double-control locking valve is opened, the condition that the pipeline is leaked occurs, an enterprise is not required to provide a special locking cap to close the locking valve, and the automatic rotating handle is used for closing the manual ball valve, so that the conjoined double-control locking valve is closed, the convenience of use of users is improved, the workload of the enterprise is reduced, and the loss to the users and the enterprise is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The conjoined double-control locking valve is characterized by comprising a valve body (1), a first ball body (2) and a second ball body (3) which are arranged in the valve body (1), wherein the first ball body (2) is a manual ball valve ball body, and the second ball body (3) is a locking ball valve ball body; the first ball body (2) is connected with a first valve rod (4), one end of the first valve rod (4) is connected with the first ball body (2), and the other end of the first valve rod is arranged outside the valve body (1) and connected with a handle (9); the second ball body (3) is connected with a second valve rod (5), one end of the second valve rod (5) is connected with the second ball body (3), and the other end of the second valve rod is arranged outside the valve body (1) and is used for being connected with a primary locking tool (8) for opening and closing the locking ball valve.

2. The conjoined double control locking valve according to claim 1, wherein the valve body (1) is provided with a first protruding neck (101) and a second protruding neck (102) which are communicated with the inner cavity of the valve body (1), and an included angle between the axis of the first protruding neck (101) and the axis of the second protruding neck (102) is 90 °; the first valve rod (4) is arranged in the first convex neck (101), and the second valve rod (5) is arranged in the second convex neck (102).

3. The conjoined double-control locking valve according to claim 2, wherein a rectangular groove (501) is arranged at the top of the second valve rod (5), a magnetic pin groove (503) is arranged in the second valve rod (5), a magnetic pin (502) is arranged in the magnetic pin groove (503), two clamping grooves (104) are arranged on the inner wall of the second convex neck (102), when the rectangular groove (501) is vertical to the valve body (1), the clamping grooves (104) are communicated with the magnetic pin groove (503), and at the moment, the outer ends of the two magnetic pins (502) enter the clamping grooves (104) under the action of homopolar repulsion of magnetic poles, and the locking ball valve is in a one-time locking state; the utility model provides a locking instrument (8) include hand lever (801) and with cap body (802) that hand lever (801) are connected, be equipped with protruding pole (803) in cap body (802), cap body (802) inner wall is equipped with magnet (804), when locking instrument (8) knot in a time in second protruding neck (102) department, protruding pole (803) one end is located in rectangle recess (501), magnet (804) are through magnetic force drive magnetic pin (502) in magnetic pin groove (503) remove out draw-in groove (104), make magnetic pin (502) get into completely in magnetic pin groove (503), at this moment protruding pole (803) can drive second valve rod (5) are in second protruding neck (102) internal rotation, when rectangle recess (501) with valve body (1) parallel, the locking is the open state.

4. A conjoined double control locking valve as claimed in claim 2, wherein the second male neck (102) is provided with an annular recess (105); the magnetic coded lock cap (7) comprises a lock cylinder (701) and a lock sleeve (702) sleeved outside the lock cylinder (701), a first spring (704) is arranged at the top of the lock cylinder (701), one end of the first spring (704) is abutted to the lock sleeve (702), and the other end of the first spring is abutted to the lock cylinder (701); a magnetic column hole (706) for installing a magnetic column (705) and a pin hole (708) for installing a limiting pin (707) are formed in the lock cylinder (701), a second spring (709) is arranged between the magnetic column (705) in the magnetic column hole (706) and the inner wall of the magnetic column hole (706), the second spring (709) is arranged between the limiting pin (707) in the pin hole (708) and the inner wall of the pin hole (708), a magnetic column limiting clamping table (710) and a limiting pin clamping table (711) are arranged on the inner wall of the lock sleeve (702), one end of the limiting pin (707) is arranged in the pin hole (708) to be abutted with the second spring (709), the other end of the limiting pin (707) is arranged at the limiting pin clamping table (711), and the lock cylinder (701) can slide on the inner wall of the lock sleeve (702) communicated with the limiting pin clamping table (711) to prevent the lock cylinder (702) from being completely ejected out of the lock sleeve (702); the lock cylinder (701) is further provided with a ball hole (712), a limiting ball (713) is arranged in the ball hole (712), the ball hole (712) is of a non-through hole structure capable of preventing the limiting ball (713) from falling out of the inner side of the lock cylinder (701), and the limiting ball (713) can move radially in the ball hole (712); a limiting ball clamping table (714) is arranged at a position, corresponding to the limiting ball (713), of the inner wall of the lock sleeve (702), when the magnetic password lock cap (7) is buckled at the second convex neck (102) by using external force, the first spring (704) at the top of the lock cylinder (701) is compressed by the external force, the lock cylinder (701) moves towards the top of the lock sleeve (702), the limiting ball (713) moves from the limiting ball clamping table (714) to the inner wall of the lock sleeve (702), the side, close to the second convex neck (102), of the limiting ball (713) stretches out of the ball hole (712) to be clamped with the annular groove (105) on the second convex neck (102), and one end at the outer side of the magnetic column (705) slides into the magnetic column limiting locking table (710) under the action of the elasticity of the second spring (709) at the moment, so that the state is a secondary locking state;

a positioning fixture block (715) is arranged on the inner wall of the lock sleeve (702), a positioning groove (703) is formed in the outer wall of the lock cylinder (701), and the positioning fixture block (715) is arranged in the positioning groove (703) and used for preventing the lock sleeve (702) and the lock cylinder (701) from rotating relatively;

the magnetic coded lock cap (7) is opened by using a special tool (11), the special tool (11) can be buckled on the outside of the magnetic coded lock cap (7), the special tool (11) comprises a cap (111) and magnetic blocks (112) inside the cap (111), the magnetic blocks (112) are consistent with the magnetic poles on the adjacent sides of the magnetic columns (705), the magnetic blocks (112) can drive the magnetic columns (705) to move out of the magnetic column limiting clamping blocks (710) through magnetic force, the magnetic coded lock cap (7) can be completely separated from the second convex necks (102) through external force.

5. The conjoined double control locking valve according to claim 1, wherein two handle limiting blocks (901) are arranged on the handle (9), and the two handle limiting blocks (901) are oppositely arranged at 180 degrees.

6. A conjoined double control locking valve as claimed in claim 2, wherein the first collar (101) is provided with a limit stop (103).

7. The conjoined double control locking valve according to claim 2, wherein a pressing cap (6) is arranged at the first protruding neck (101), and the pressing cap (6) is sleeved outside the first valve rod (4).

8. A conjoined double control locking valve as claimed in claim 2, wherein sealing rings (10) are provided between the second valve stem (5) and the second male neck (102) and between the first valve stem (4) and the first male neck (101).

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