CN216382660U

CN216382660U - Ball valve

Info

Publication number: CN216382660U
Application number: CN202122925153.5U
Authority: CN
Inventors: 俞冠正; 叶琛; 陈立淦; 赵敏
Original assignee: Zhejiang Deai Intelligent Control Technology Co ltd
Current assignee: Zhejiang Deai Intelligent Control Technology Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-26
Anticipated expiration: 2031-11-25

Abstract

The utility model provides a ball valve, and belongs to the technical field of valves. This ball valve includes valve body, first magnetic component, second magnetic component, switch module, location subassembly and unblock spare, wherein: the valve body is provided with a first containing groove and a second containing groove which are used for containing the first magnetic assembly and the second magnetic assembly respectively; the switch assembly is arranged on the valve body, and a third accommodating groove is formed in the switch assembly; the positioning assembly is arranged in the switch assembly, a fourth containing groove and a first through hole are formed in the positioning assembly, the fourth containing groove is used for containing the ejected first magnetic assembly or the ejected second magnetic assembly, and the first through hole is used for enabling the second magnetic assembly to penetrate through the positioning assembly to enter the third containing groove. The locking mode provided by the utility model can effectively solve the problem that the performance is unstable due to the fact that misoperation is easy to occur when the handle is pressed down in the prior art, so that locking is more reliable, and the locking mode has the advantages of simple structure and assembly and lower production cost.

Description

Ball valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a ball valve.

Background

The ball valve is a common valve and is mainly used in the fields of gas delivery, heat delivery, water supply and drainage delivery, civil use and industrial fields of central air conditioning, heating ventilation, petroleum, chemical industry and the like. In order to prevent economic loss caused by false opening or theft, the ball valve is usually required to be locked and can be opened again only when a key or other unlocking piece is used.

CN203836270U discloses an anti-theft ball valve, wherein a longitudinal magnetic locking device for limiting the handle up and down when the handle is pressed down in the closing state of the ball valve and a circumferential locking device for limiting the handle circumferentially when the handle is pressed down in the closing state of the ball valve are arranged between the upper end of the convex neck and the handle. However, the proposal has the problems of more parts, difficult processing and assembly and the like, and simultaneously has the problem of unstable performance of the ball valve caused by easy misoperation when the handle is pressed down.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a ball valve, aiming at solving the problems of unstable performance, difficult assembly and the like of the existing ball valve.

In order to achieve the above object, the present invention provides a ball valve, which comprises a valve body, a first magnetic assembly, a second magnetic assembly, a switch assembly and a positioning assembly, wherein:

the valve body is provided with a first accommodating groove and a second accommodating groove which are used for accommodating the first magnetic assembly and the second magnetic assembly respectively;

the switch assembly is arranged on the valve body and is positioned on one side of the valve body, which is provided with the first accommodating groove and the second accommodating groove, and the switch assembly is provided with a third accommodating groove;

the positioning assembly is arranged in the switch assembly, a fourth accommodating groove and a first through hole are formed in the positioning assembly, the fourth accommodating groove is used for accommodating the ejected first magnetic assembly or second magnetic assembly so as to fix the positioning assembly, and the first through hole is used for enabling the second magnetic assembly to penetrate through the positioning assembly to enter the third accommodating groove so as to clamp the switch assembly, so that the ball valve is locked.

Preferably, the switch assembly comprises a valve rod and a handle, one end of the valve rod extends into the valve body and is connected with the sealing ball, the other end of the valve rod is connected with the handle, and the valve rod is driven to rotate through the handle during operation so as to control the opening and closing of the ball valve.

Preferably, the handle is provided with a protruding point inside, the valve body is provided with a corresponding arc-shaped groove, and the protruding point rotates in the arc-shaped groove during operation, so that the rotation angle of the handle is limited.

Preferably, the positioning assembly comprises a positioning plate and a screw, the positioning plate is arranged inside the handle, and the screw sequentially penetrates through the second through hole in the handle and the inner hole in the positioning plate to connect the positioning plate with the handle.

Preferably, the handle is provided with a concave cavity inside for accommodating the positioning plate, and the angle of the concave cavity is 90 degrees larger than that of the positioning plate, so as to provide a space for the positioning plate to rotate relative to the handle.

Preferably, the screw comprises a special-shaped boss and a screw rod, the special-shaped boss is arranged in the fifth accommodating groove of the handle, and the screw rod sequentially penetrates through the third through hole in the handle and the inner hole in the positioning plate to connect the positioning plate with the handle.

Preferably, the inner hole and the part of the screw rod inserted into the inner hole are both in a runway-type structure, so that the positioning plate is fixed relative to the screw.

As a further preferred, the first magnetic assembly and the second magnetic assembly respectively comprise a spring and a magnetic member, and the spring is placed below the magnetic member and used for ejecting the magnetic member.

As a further preferred option, the ball valve further comprises an unlocking piece, a first groove and two second grooves are arranged at the lower part of the unlocking piece, and the first groove is arranged at the center of the unlocking piece; the two second grooves are arranged at an interval of 90 degrees, and are respectively provided with first magnetic steel for pressing the first magnetic assembly and the second magnetic assembly into the first accommodating groove and the second accommodating groove.

As a further preferred option, the unlocking piece further comprises a third groove, and the third groove is arranged above the first groove and used for placing a second magnetic steel.

Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

1. according to the utility model, the accommodating groove is formed in the positioning assembly, the positions of the accommodating groove in the valve body and the switch assembly are correspondingly improved, so that the second magnetic assembly penetrates through the first through hole in the positioning plate and enters the third accommodating groove in the handle to lock the handle, the first magnetic assembly and the second magnetic assembly are required to be pressed into the valve body during unlocking, and the position of the positioning plate is adjusted by rotating the handle, so that the positions of the first through hole and the third accommodating groove do not correspond, the handle is prevented from being clamped by the second magnetic assembly, the switch is free, and the locking mode can effectively solve the problem that the performance is unstable due to easy misoperation when the handle is pressed down in the prior art, so that the locking is more reliable, and meanwhile, the locking mode also has the advantages of simple structure and assembly and lower production cost;

2. particularly, the structure of the switch assembly and the positioning assembly is optimized, so that the stability and operability of the ball valve can be further improved;

3. in addition, in the utility model, in consideration of the problems that the unlocking piece is inconvenient to operate and uneven due to mutual repulsion among the first magnetic steel, the first magnetic component and the second magnetic component, the second magnetic steel is arranged above the first groove, the unlocking piece is more stable by sucking the screw, and the stability of the ball valve is effectively improved.

Drawings

FIG. 1 is a cross-sectional view of a front view of a ball valve provided in an unlocked condition in accordance with an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a rear view of the ball valve provided by an embodiment of the present invention in a locked condition;

FIG. 3 is a schematic view of a valve body in a ball valve according to an embodiment of the present invention;

fig. 4 is a schematic view of a handle in a ball valve according to an embodiment of the present invention, wherein (a) is a schematic overall structure, (b) is a schematic internal structure, and (c) is a cross-sectional view;

fig. 5 is a schematic structural diagram of a positioning plate in a ball valve according to an embodiment of the present invention, wherein (a) is a schematic structural diagram of a front surface, and (b) is a schematic structural diagram of a back surface;

FIG. 6 is a schematic structural diagram of a screw in a ball valve according to an embodiment of the present invention, in which (a), (b) are schematic diagrams at different angles;

FIG. 7 is a bottom view of an unlocking member in the ball valve according to an embodiment of the present invention;

fig. 8 is a schematic view showing the overall structure of an unlocking member in the ball valve according to the embodiment of the present invention.

The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:

1-a snap spring, 2-a handle, 21-a concave cavity, 22-a fifth receiving groove, 23-a second through hole, 24-a bump, 25-a third receiving groove, 3-a valve seat, 4-a valve body, 41-an arc groove, 42-a first receiving groove, 43-a second receiving groove, 5-a valve cover, 6-a positioning plate, 61-a boss, 611-an inner hole, 62-a fourth receiving groove, 63-a first through hole, 7-an unlocking piece, 71-a first groove, 72-a second groove, 73-a third groove, 74-a fourth groove, 75-a second indication mark, 8-a second magnetic steel, 9-a first magnetic steel, 10-a screw, 101-a screw rod, 102-a special-shaped boss, 1021-a first indication mark, 11-a valve rod, 12-sealing ball, 13-spring, 14-magnetic element.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-5, the present invention provides a ball valve comprising a valve body 4, a first magnetic assembly, a second magnetic assembly, a switch assembly, a positioning assembly, and an unlocking member, wherein:

the valve body 4 is provided with a first accommodating groove 42 and a second accommodating groove 43 which are respectively used for accommodating a first magnetic component and a second magnetic component, the first magnetic component and the second magnetic component respectively comprise a spring 13 and a magnetic part 14, the spring 13 is arranged below the magnetic part 14 and is used for ejecting the magnetic part 14, and meanwhile, a sealing ball 12, a valve seat 3 and a valve cover 5 are also arranged inside the valve body 4;

the switch assembly is arranged on the valve body 4 and is positioned at one side of the valve body 4, which is provided with the first containing groove 42 and the second containing groove 43, and the switch assembly is provided with a third containing groove 25;

the positioning assembly is arranged in the switch assembly, a fourth containing groove 62 and a first through hole 63 are formed in the positioning assembly, the fourth containing groove 62 is used for containing the ejected first magnetic assembly or second magnetic assembly so as to fix the positioning assembly in a locking or unlocking state, and the first through hole 63 is used for enabling the second magnetic assembly to penetrate through the positioning assembly to enter the third containing groove 25 so as to clamp the positioning assembly in the locking state.

Further, the switch module includes valve rod 11 and handle 2, and the one end of valve rod 11 stretches into valve body 4 and is connected with ball sealer 12, and its other end is connected with handle 2, and the during operation drives the rotation of valve rod 11 through handle 2 to control opening and closing of ball valve. The handle 2 is internally provided with a salient point 24, the valve body 4 is provided with a corresponding 90-degree arc-shaped groove 41, and the salient point 24 rotates in the arc-shaped groove 41 during operation so as to limit the rotation angle of the handle 2.

Further, the positioning assembly comprises a positioning plate 6 and a screw 10, the positioning plate 6 is arranged inside the handle 2, and the screw 10 sequentially penetrates through the second through hole 23 in the handle 2 and the inner hole 611 of the boss 61 in the positioning plate 6 to connect the positioning plate 6 with the handle 2. As shown in fig. 6, the screw 10 includes a specially-shaped boss 102 and a screw rod 101, the specially-shaped boss 102 is disposed in the fifth receiving groove 22 of the handle 2, and the screw rod 101 sequentially passes through the second through hole 23 of the handle 2 and the inner hole 611 of the positioning plate 6, so as to connect the positioning plate 6 with the handle 2. Meanwhile, the inner hole 611 and the portion of the screw 101 inserted into the inner hole 611 are both of a race type structure, so that the positioning plate 6 is fixed with respect to the screw 10.

Further, the handle 2 is provided with a concave cavity 21 inside for accommodating the positioning plate 6, and the angle of the concave cavity 21 is 90 degrees larger than that of the positioning plate 6, so as to provide a space for the positioning plate 6 to rotate relative to the handle 2.

Further, as shown in fig. 7 and 8, the ball valve further includes an unlocking piece 7, a first groove 71, two second grooves 72 and a third groove 73 are arranged at the lower part of the unlocking piece 7, the first groove 71 is arranged at the center of the unlocking piece 7, and is used for accommodating the special-shaped boss 102 of the screw 10; the two second grooves 72 are arranged at intervals of 90 degrees and are respectively provided with the first magnetic steel 9, and the two first magnetic steels 9 and the magnetic part 14 have the same magnetism on the same plane, so that a repulsive force is generated to press the first magnetic assembly and the second magnetic assembly into the first accommodating groove 42 and the second accommodating groove 43; third recess 73 sets up in the top of first recess 71 for place second magnet steel 8, because of be the repulsive force between first magnet steel 9 and first magnetic component, the second magnetic component, can cause unlocking piece 7 for the handle unevenness, through set up third recess 73 and place second magnet steel 8 in the top of first recess 71, can hold screw 10 in order to guarantee that unlocking piece 7 is stable.

Further, be provided with on the handle 2 and instruct the boss, be provided with the fourth recess 74 that the holding should instruct the boss on the unlocking part 7, be provided with first index mark 1021 on the dysmorphism boss 102 simultaneously, this first index mark 1021 is perpendicular with the straight face of screw rod 101, and the installation of being convenient for more is towards the instruction boss on the handle with first index mark 1021 in the ball valve assembling process. Simultaneously, still be provided with second indication mark 75 on the unlocking piece 7, when carrying out the unblock or locking with second indication mark 75 on the unlocking piece 7 towards the instruction boss of handle 2 to install unlocking piece 7 on handle 2, the user of being convenient for more uses.

The operation of the ball valve provided by the present invention is further described in detail below.

When a product is in a locking state, the handle 2 is connected with the valve body 4 through the clamp spring 1, the salient point 24 inside the handle 2 is in the arc-shaped groove 41 of the valve body 4, one part of the magnetic part of the first magnetic assembly is in the first accommodating groove 42, the other part of the magnetic part of the second magnetic assembly is in the fourth accommodating groove 62, meanwhile, one part of the magnetic part of the second magnetic assembly is in the second accommodating groove 43, the other part of the magnetic part passes through the first through hole 63 on the positioning plate 6 to enter the third accommodating groove 25 of the handle 2, and the handle 2 can not be freely opened and closed when being clamped. When needing the unblock, then install unblock piece 7 on handle 2, and guarantee that second indication mark 75 on the unblock piece 7 is towards the instruction boss of handle 2, two first magnet steel 9 in the unblock piece 7 impress first magnetic component and second magnetic component first storage tank 42 and second storage tank 43, then 90 degrees counter-clockwise turning, unblock piece 7 drives handle 2 and locating plate 6 rotatory, make first through-hole 63 stagger with second storage tank 43, then take out unblock piece 7, first magnetic component still presses in first storage tank 42, second magnetic component's magnetic component is partly in second storage tank 43, another part is in fourth storage tank 62, thereby fixed location board 6 and unset handle 2, the ball valve can free switch.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A ball valve, characterized in that the ball valve comprises a valve body (4), a first magnetic assembly, a second magnetic assembly, a switch assembly and a positioning assembly, wherein:

the valve body (4) is provided with a first accommodating groove (42) and a second accommodating groove (43) which are used for accommodating the first magnetic assembly and the second magnetic assembly respectively;

the switch assembly is arranged on the valve body (4) and is positioned at one side of the valve body (4) where the first containing groove (42) and the second containing groove (43) are formed, and the switch assembly is provided with a third containing groove (25);

the positioning assembly is arranged in the switch assembly, a fourth containing groove (62) and a first through hole (63) are formed in the positioning assembly, the fourth containing groove (62) is used for containing the ejected first magnetic assembly or second magnetic assembly so as to fix the positioning assembly, and the first through hole (63) is used for enabling the second magnetic assembly to penetrate through the positioning assembly to enter the third containing groove (25) so as to clamp the switch assembly, so that the ball valve is locked.

2. The ball valve according to claim 1, characterized in that the switch assembly comprises a valve stem (11) and a handle (2), one end of the valve stem (11) extends into the valve body (4) and is connected with the sealing ball (12), the other end of the valve stem is connected with the handle (2), and the valve stem (11) is driven to rotate by the handle (2) during operation so as to control the opening and closing of the ball valve.

3. A ball valve according to claim 2, characterized in that the handle (2) is provided with a knob (24) on the inside and the valve body (4) is provided with a corresponding arc-shaped groove (41), in operation the knob (24) rotates in the arc-shaped groove (41) thereby limiting the angle of rotation of the handle (2).

4. The ball valve according to claim 2, characterized in that the positioning assembly comprises a positioning plate (6) and a screw (10), the positioning plate (6) is arranged inside the handle (2), and the screw (10) passes through the second through hole (23) on the handle (2) and the inner hole (611) on the positioning plate (6) in sequence to connect the positioning plate (6) with the handle (2).

5. A ball valve according to claim 4, characterized in that the handle (2) is provided with a concave cavity (21) inside for receiving the positioning plate (6), and the angle of the concave cavity (21) is 90 degrees larger than the angle of the positioning plate (6) to provide room for the positioning plate (6) to rotate relative to the handle (2).

6. The ball valve according to claim 4, wherein the screw (10) comprises a specially-shaped boss (102) and a screw rod (101), the specially-shaped boss (102) is arranged in the fifth accommodating groove (22) of the handle (2), and the screw rod (101) sequentially passes through the second through hole (23) on the handle (2) and the inner hole (611) on the positioning plate (6) so as to connect the positioning plate (6) with the handle (2).

7. The ball valve according to claim 6, characterized in that the inner bore (611) and the portion of the threaded rod (101) inserted into the inner bore (611) are both of racetrack type construction, so that the retaining plate (6) is fixed with respect to the screw (10).

8. The ball valve according to claim 1, characterized in that said first and second magnetic assemblies comprise a spring (13) and a magnetic element (14), respectively, said spring (13) being placed below said magnetic element (14) for ejecting said magnetic element (14).

9. The ball valve according to any one of claims 1 to 8, further comprising an unlocking member (7), wherein a lower portion of the unlocking member (7) is provided with a first groove (71) and two second grooves (72), and the first groove (71) is provided at the center of the unlocking member (7); the two second grooves (72) are arranged at an interval of 90 degrees, and are respectively provided with a first magnetic steel (9) for pressing the first magnetic assembly and the second magnetic assembly into the first accommodating groove (42) and the second accommodating groove (43).

10. A ball valve according to claim 9, wherein said unlocking member (7) further comprises a third recess (73), said third recess (73) being arranged above said first recess (71) for placing a second magnetic steel (8).