CN220980370U - Pin-free V-shaped ball valve - Google Patents

Abstract

The utility model relates to the technical field of ball valves, in particular to a pin-free V-shaped ball valve, which comprises a valve body, wherein a rotating groove is formed in the valve body, a valve core is rotationally connected in the rotating groove, valve rods are rotationally connected in the upper end and the lower end of the valve body, involute spline grooves are formed in the inner parts of the upper end and the lower end of the valve core, bumps corresponding to the involute spline grooves are formed on the outer walls of the opposite ends of the two valve rods, the bumps are meshed with the involute spline grooves, the surfaces of the two ends of the valve core are in contact with the valve rods, and a water flow hole is formed in the valve body.

Description

Pin-free V-shaped ball valve

Technical Field

The utility model relates to a V-shaped ball valve, in particular to a pin-free V-shaped ball valve, and belongs to the technical field of ball valves.

Background

The V-shaped ball valve belongs to a fixed ball valve and also is a single valve seat sealing ball valve, the adjusting performance is the best in the ball valve, a shearing action is arranged between a V-shaped notch and a metal valve seat of the V-shaped ball valve, and the V-shaped ball valve is particularly suitable for media such as fiber, tiny solid particles and slurry, so that the V-shaped ball valve is widely applied in the paper making and chemical industry, in order to transmit torque and avoid axial movement of a valve core along a valve rod in the operation process in the production process of the conventional V-shaped ball valve, a pin is required to be arranged at the joint of the valve core and the valve rod to fix the position of the valve core, the pin is required to be operated after the valve is assembled, the drilled pin holes of the valve core and the valve rod are required to be matched with the drill together, so that the drilled iron skips can fall into a valve cavity and are difficult to clean, the valve seat is easy to clamp, and in addition, the pin is required to be gravity to be knocked in the process, and the sealing surfaces of the valve core and the valve seat are likely to be damaged by gravity to cause the sealing leakage of the valve.

Therefore, a pin-free V-ball valve is proposed to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a pin-free V-shaped ball valve, one side of a water flow hole can be sealed through rotating a valve core, so that the effects of throttling and breaking flow are achieved, meanwhile, after involute spline grooves formed in the valve core correspond to corresponding convex blocks on an upper valve rod and a lower valve rod, the valve core can be driven to rotate by rotating the valve rods, the valve core cannot move in the rotating grooves, and meanwhile, the defects that drilling iron skips into a valve cavity and gravity bridging valve seats can be avoided.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

The utility model provides a no round pin type V type ball valve, includes the valve body, the rotation groove has been seted up to the inside of valve body, the rotation inslot rotation is connected with the case, the inside at the upper and lower both ends of valve body is all rotated and is connected with the valve rod, involute spline groove has all been seted up to the inside of the upper and lower end of case, two the opposite one end outer wall of valve rod all be equipped with the lug that involute spline groove corresponds, the lug with involute spline groove meshes mutually, the both ends surface of case all with the valve rod is inconsistent, the inside of valve body is opened there is the flow hole.

Preferably, sealing rings are fixedly connected to the inner walls of the two ends of the water flow hole, and the sealing rings correspond to the valve cores.

Preferably, a metal compression ring is arranged at the upper end of one valve rod, and the metal compression ring is fixedly connected with the valve body.

Preferably, the upper surface of the metal compression ring is fixedly connected with a rotating rod, and one end of the rotating rod extends to one end of the valve body.

Preferably, the upper end and the lower end of the rotating groove are fixedly connected with limiting blocks, and the limiting blocks correspond to the valve cores.

Preferably, a V-shaped groove is formed in one side of the valve core, and an inclined surface is arranged on one side of the valve core.

The utility model has at least the following beneficial effects:

1. One side of the water flow hole can be sealed through rotating the valve core, the throttling and breaking functions are achieved, meanwhile, after involute spline grooves formed in the valve core correspond to corresponding protruding blocks on the upper valve rod and the lower valve rod, the valve core can be driven to rotate through rotating the valve rod, the valve core cannot move in the rotating groove, and therefore the defects that drilling iron skips into the valve cavity and gravity bridging valve seats are avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic cross-sectional view of the present utility model;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure, 1, a valve body; 2. a rotating groove; 3. a valve core; 4. a valve stem; 5. involute spline grooves; 6. a bump; 7. a water flow hole; 8. a seal ring; 9. a metal pressure ring; 10. a rotating rod; 11. a limiting block; 12. v-shaped groove.

Detailed Description

The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As shown in fig. 1 and fig. 2, the pin-free V-shaped ball valve provided in this embodiment includes a valve body 1, a rotating groove 2 is provided in the interior of the valve body 1, a valve core 3 is rotatably connected in the rotating groove 2, so that the valve core 3 rotates freely in the rotating groove 2, valve rods 4 are rotatably connected in the interior of the upper and lower ends of the valve body 1, the upper and lower valve rods 4 are located at the upper and lower ends of the valve core 3, involute spline grooves 5 are provided in the interior of the upper and lower ends of the valve core 3, bumps 6 corresponding to the involute spline grooves 5 are provided on the outer walls of one ends of the two valve rods 4, the bumps 6 are meshed with the involute spline grooves 5, the bumps 6 can be driven to rotate through the valve rods 4, so that the valve core 3 rotates along with the rotation, the surfaces of the two ends of the valve core 3 are in contact with the valve rods 4, the valve rods 4 at the upper and lower ends fix the position of the valve core 3, the valve core 3 can only rotate in the rotating groove 2, the upper and lower ends of the valve body 1 are not moved up and down, a water flow hole 7 is provided in the interior of the valve body 1, so that water flow flows through the valve core 3, a V-shaped groove 12 is provided on one side of the valve core, the valve core is cut by the valve core, and the valve core 3 has a certain cutting effect through the angle between the V-shaped groove 12 and the involute spline grooves 3.

In this embodiment, as shown in fig. 1 and 2, the inner walls at two ends of the water flow hole 7 are fixedly connected with sealing rings 8, the sealing rings 8 correspond to the valve core 3, and when one side of the valve core 3 is mutually abutted against the sealing rings 8, the water flow hole 7 can be sealed, so as to achieve the effect of flow interruption.

In this embodiment, as shown in fig. 1 and 2, a metal pressing ring 9 is disposed at the upper end of one valve rod 4, and the metal pressing ring 9 is fixedly connected with the valve body 1, and the valve rod 4 at the upper end is fixed by the metal pressing ring 9, so that the valve rod 4 can only rotate in the valve body 1 and cannot move up and down.

In this embodiment, as shown in fig. 1 and 2, the upper surface of the metal pressing ring 9 is fixedly connected with a rotating rod 10, one end of the rotating rod 10 extends to one end of the valve body 1, and the pressing ring and the valve rod 4 can be easily driven to rotate by the rotating rod 10.

In this embodiment, as shown in fig. 1 and fig. 2, the upper end and the lower end of the rotation groove 2 are fixedly connected with limiting blocks 11, the limiting blocks 11 are located at two sides of the valve core 3, and the valve core 3 is limited by the limiting blocks 11, so that the valve core 3 can only rotate 180 degrees in the rotation groove 2, and the two ends of the water flow hole 7 of the valve core 3 are not influenced to seal while the valve core 3 rotates.

As shown in fig. 1 and 2, the principle of the pin-free V-shaped ball valve provided in this embodiment is as follows: the metal press ring 9 and the valve rod 4 are driven to rotate through the rotating rod 10, the valve rod 4 drives the lug 6 to rotate and abut against the involute spline groove 5, so that the valve core 3 rotates in the rotating groove 2, the angle between the V-shaped groove 12 of the valve core 3 and the water flow hole 7 is gradually reduced, and then after some media flowing through the water flow hole 7 are cut off through the inclined plane on one side of the valve core 3, when the valve core 3 rotates to one side of the valve core 3 along with the valve rod 4 to be in confidential contact with the sealing ring 8, one side of the water flow hole 7 can be sealed, and meanwhile, the upper end and the lower end of the valve core 3 can abut against the limiting block 11.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims (6)

1. The utility model provides a no round pin type V type ball valve, includes valve body (1), its characterized in that: the inside of valve body (1) has been seted up and has been rotated groove (2), the rotation groove (2) internal rotation is connected with case (3), the inside at the upper and lower both ends of valve body (1) is all rotated and is connected with valve rod (4), involute spline groove (5) have all been seted up to the inside of the upper and lower end of case (3), two valve rod (4) relative one end outer wall all be equipped with involute spline groove (5) corresponding lug (6), lug (6) with involute spline groove (5) mesh mutually, the both ends surface of case (3) all with valve rod (4) are inconsistent, open in the inside of valve body (1) has running water hole (7).

2. The pinless V-ball valve of claim 1 wherein: sealing rings (8) are fixedly connected to the inner walls of the two ends of the water flow hole (7), and the sealing rings (8) correspond to the valve core (3).

3. The pinless V-ball valve of claim 1 wherein: the upper end of one valve rod (4) is provided with a metal compression ring (9), and the metal compression ring (9) is fixedly connected with the valve body (1).

4. A pinless V-ball valve according to claim 3, wherein: the upper surface of the metal compression ring (9) is fixedly connected with a rotating rod (10), and one end of the rotating rod (10) extends to one end of the valve body (1).

5. The pinless V-ball valve of claim 1 wherein: limiting blocks (11) are fixedly connected to the upper end and the lower end of the rotating groove (2), and the limiting blocks (11) correspond to the valve core (3).

6. The pinless V-ball valve of claim 1 wherein: a V-shaped groove (12) is formed in one side of the valve core (3), and one side of the valve core (3) is an inclined plane.