CN210196521U

CN210196521U - Mechanical locking valve

Info

Publication number: CN210196521U
Application number: CN201920891767.6U
Authority: CN
Inventors: Inventor Has Waived The Right To Be Mentioned The; 不公告发明人
Original assignee: Wuhan Kaixintong Semiconductor Technology Co Ltd
Current assignee: Wuhan Kaixintong Semiconductor Technology Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-03-27
Anticipated expiration: 2029-06-13

Abstract

The utility model belongs to the technical field of the valve technique and specifically relates to a mechanical type locking valve, which comprises a valve body, the fixed core box that is equipped with in valve body outside middle part, the inside screw thread of core box runs through and is equipped with the screw rod, the fixed nut that is equipped with a body structure in outer end that the valve body was kept away from to the screw rod, the movable chamber has been seted up to the inner that the core box is close to the valve body is fixed, the end fixing that the screw rod is located the movable intracavity is equipped with the spheroid, the fixed bulge that is equipped with in one side that the core box was kept away from to the valve body, the cross-section of bulge is the arc shape, the link that is equipped with a body structure is all fixed at the valve body both ends, the inside fixed.

Description

Mechanical locking valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a mechanical type locking valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve for conveying water is single in function, poor in anti-theft performance, and capable of being stolen by water resources in the using process, and the sealing effect of the valve is important, so that a mechanical locking valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mechanical locking valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a mechanical locking valve, which comprises a valve body, a valve core box is fixedly arranged at the middle part of the outer side of the valve body, a screw rod penetrates through the internal thread of the valve core box, a nut of an integrated structure is fixedly arranged at the outer end of the screw rod far away from the valve body, a movable cavity is fixedly arranged at the inner end of the valve core box close to the valve body, a ball body is fixedly arranged at the end part of the screw rod in the movable cavity, a protruding part is fixedly arranged at one side of the valve body far away from the valve core box, the cross section of the protruding part is in an arc shape, connecting frames of an integrated structure are fixedly arranged at the two ends of the.

Preferably, the locking piece includes fastening hole, peg graft pole, built-in groove, electro-magnet, iron plate, mechanical lock core and spring, the fastening hole has been seted up to screw rod one side is fixed, the downthehole cooperation of pegging graft of fastening is equipped with the peg graft pole, the built-in groove has been seted up to the inside one side that lies in the peg graft pole and keeps away from fastening hole, the built-in groove is kept away from and is fixed being equipped with the electro-magnet on the lateral wall of peg graft pole, the electro-magnet passes through the wire and links to each other with the external power source electrical property, the built-in groove is kept away from fixedly on the lateral wall of electro-magnet and is equipped with a plurality of springs, the end fixed connection that the spring is close to the electro-magnet is equipped with.

Preferably, the circular arc radius of bulge equals spheroidal radius, the fixed cover of bulge internal surface glues to be stained with and is equipped with sealed the pad, sealed pad comprises silica gel.

Preferably, the inner end of the valve core box close to the valve body extends to the inside of the valve body, the inner side of the end part of the valve core box extending to the inside of the valve body is fixedly adhered, covered and provided with a sealing ring, and the sealing ring is formed by silica gel.

Preferably, the outer diameter of the ball body is smaller than the inner diameter of the movable cavity, and the inner diameter of the sealing ring is smaller than the outer diameter of the ball body.

The utility model provides a pair of mechanical type locking valve, beneficial effect lies in:

1. when the mechanical locking valve is used, the electromagnet is controlled by the power supply, when the valve needs to be opened for water delivery, the power supply inside the electromagnet is switched on, then the electromagnet has magnetic attraction capacity to magnetically attract the iron block, then the iron block drives the insertion rod to retract, the insertion rod is separated from the built-in groove, then the nut is rotated, the screw rod drives the ball body to move upwards, and at the moment, the valve is opened;

2. when the valve needs to be closed, the screw rod is rotated through the nut, the screw rod returns to the initial position, then the power supply inside the electromagnet is closed, attraction force does not exist between the iron block and the electromagnet, at the moment, the spring is tightened, the iron block can rebound under the tension of the spring to be matched with the built-in groove, at the moment, the screw rod is in a locked state, the safety is better, the sealing ring is formed by silica gel, the sealing ring has certain elasticity, when the ball body moves to the lowest position, the ball body and the sealing ring are just tightly extruded and attached, the bottom of the ball body and the sealing gasket are just tightly attached, and the sealing effect is good.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a mechanical locking valve according to the present invention;

fig. 2 is a front view of the mechanical locking valve of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the valve comprises a valve body 1, a convex part 2, a connecting frame 3, a valve core box 4, a nut 5, a screw 6, a locking piece 7, a fastening hole 71, an inserting rod 72, a built-in groove 73, an electromagnet 74, an iron block 75, a mechanical lock core 76, a spring 77, a movable cavity 8, a ball body 9, a sealing ring 10, a sealing gasket 11 and a lock hole 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a mechanical locking valve comprises a valve body 1, a valve core box 4 is fixedly arranged in the middle of the outer side of the valve body 1, a screw rod 6 is arranged in the valve core box 4 in a penetrating manner, a nut 5 of an integrated structure is fixedly arranged at the outer end of the screw rod 6 far away from the valve body 1, a movable cavity 8 is fixedly arranged at the inner end of the valve core box 4 close to the valve body 1, a ball 9 is fixedly arranged at the end part of the screw rod 6 in the movable cavity 8, a convex part 2 is fixedly arranged at one side of the valve body 1 far away from the valve core box 4, the cross section of the convex part 2 is arc-shaped, the arc-shaped radius of the convex part 2 is equal to the radius of the ball 9, the ball 9 can be mutually attached to the convex part 2, a sealing gasket 11 is fixedly covered and adhered on the inner surface of the convex part 2, the sealing gasket 11 is composed of silica gel, the sealing ring 10 is composed of silica gel, the silica gel has a certain sealing effect, the outer diameter of the sphere 9 is smaller than the inner diameter of the movable cavity 8, and the inner diameter of the sealing ring 10 is smaller than the outer diameter of the sphere 9.

The two ends of the valve body 1 are both fixedly provided with the connecting frame 3 with an integrated structure, the valve core box 4 is internally and fixedly provided with a locking piece 7 at one side of the screw 6, the locking piece 7 comprises a fastening hole 71, an inserting rod 72 and an internal groove 73, electromagnet 74, iron block 75, mechanical lock core 76 and spring 77, fastening hole 71 has been seted up to screw 6 one side is fixed, fastening hole 71 interpolation cooperation is equipped with peg 72, built-in groove 73 has been seted up to the inside one side that is located peg 72 and keeps away from fastening hole 71 that is located of case box 4, fixed being equipped with electromagnet 74 on the lateral wall that peg 72 was kept away from to built-in groove 73, electromagnet 74 passes through the wire and links to each other with external power source electrical property, fixed being equipped with a plurality of springs 77 on the lateral wall that electromagnet 74 was kept away from to built-in groove 73, spring 77 is close to the end fixed connection of electromagnet 74 and is equipped with iron block 75, iron block 75 and electromagnet 74 mutually support, mutual fixed connection between peg 72 and iron block 75.

When the mechanical locking valve is used, the electromagnet 74 is controlled by a power supply, when the valve needs to be opened for water delivery, the power supply inside the electromagnet 74 is switched on, then the electromagnet 74 has magnetic attraction capacity to carry out magnetic attraction on the iron block 75, then the iron block drives the insertion rod 72 to retract, the insertion rod 72 is separated from the built-in groove 73, then the nut 5 is rotated, so that the screw 6 drives the sphere 9 to move upwards, and at the moment, the valve is in an opening state; when the valve needs to be closed, the screw 6 is rotated through the nut 5, the screw 6 is returned to the initial position, then the power supply inside the electromagnet 74 is closed, attraction force is not generated between the iron block 75 and the electromagnet 74, at this time, the spring 77 is a tightening spring, the iron block 75 can be matched with the built-in groove 73 in the rebound of the tensile force of the spring, at this time, the screw 6 is in a locked state and has better safety, because the sealing ring 10 is made of silica gel, the sealing ring has certain elasticity, when the ball 9 moves to the lowest position, the ball 9 is just tightly extruded and attached to the sealing ring 10, the bottom of the ball 9 is just tightly attached to the sealing gasket 11, and the sealing effect is good. The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A mechanical locking valve comprises a valve body (1) and is characterized in that a valve core box (4) is fixedly arranged in the middle of the outer side of the valve body (1), a screw rod (6) penetrates through the internal thread of the valve core box (4), a nut (5) of an integrated structure is fixedly arranged at the outer end of the screw rod (6) far away from the valve body (1), the inner end of the valve core box (4) close to the valve body (1) is fixedly provided with a movable cavity (8), the end part of the screw rod (6) positioned in the movable cavity (8) is fixedly provided with a ball body (9), a convex part (2) is fixedly arranged on one side of the valve body (1) far away from the valve core box (4), the cross section of the convex part (2) is arc-shaped, both ends of the valve body (1) are fixedly provided with connecting frames (3) with an integrated structure, and a locking piece (7) is fixedly arranged inside the valve core box (4) and positioned on one side of the screw rod (6).

2. The mechanical locking valve according to claim 1, wherein the locking member (7) comprises a fastening hole (71), an insertion rod (72), a built-in groove (73), an electromagnet (74), an iron block (75), a mechanical lock cylinder (76) and a spring (77), the fastening hole (71) is fixedly formed in one side of the screw (6), the insertion rod (72) is arranged in the fastening hole (71) in an inserting and matching manner, the built-in groove (73) is formed in the valve core box (4) and is located in one side of the insertion rod (72) far away from the fastening hole (71), the electromagnet (74) is fixedly arranged on the side wall of the built-in groove (73) far away from the insertion rod (72), the electromagnet (74) is electrically connected with an external power supply through a wire, a plurality of springs (77) are fixedly arranged on the side wall of the built-in groove (73) far away from the electromagnet (74), and the iron block (75) is fixedly connected to the end of the spring (77) close to the electromagnet (74), the iron block (75) is matched with the electromagnet (74), and the inserting rod (72) is fixedly connected with the iron block (75).

3. A mechanical locking valve according to claim 1, wherein the radius of the arc of the protrusion (2) is equal to the radius of the sphere (9), a sealing gasket (11) is fixedly adhered to the inner surface of the protrusion (2), and the sealing gasket (11) is made of silicone.

4. The mechanical locking valve according to claim 1, wherein the inner end of the valve core box (4) close to the valve body (1) extends into the valve body (1), the inner side of the end part of the valve core box (4) extending into the valve body (1) is covered with a sealing ring (10) in a fixed adhesive manner, and the sealing ring (10) is made of silica gel.

5. A mechanical latching valve according to claim 4, characterized in that the outer diameter of the ball (9) is smaller than the inner diameter of the movable chamber (8), and the inner diameter of the sealing ring (10) is smaller than the outer diameter of the ball (9).