Valve column structure

Abstract

The utility model discloses a valve rod structure which comprises a valve rod body, a horn-shaped mounting seat is arranged at the bottom end of the valve rod body, and a mounting hole position is arranged on the horn-shaped mounting seat. A radial ring groove is formed in the outer wall of the valve rod body; an annular groove is formed in the top surface of the horn-shaped mounting seat; a plurality of sealing washers are arranged on the outer wall of the valve column body, and a sealing connecting piece is arranged at the joint of the valve column body and the horn-shaped mounting seat; an upper clamping convex ring is arranged on the upper portion of the inner wall of the sealing connecting piece, a lower clamping convex ring is arranged on the lower portion of the inner wall of the sealing connecting piece, and the inner surface of the sealing connecting piece is attached to the outer surface of the valve column body and the outer surface of the horn-shaped installation base. The sealing connecting piece is reasonable in structural arrangement, the sealing connecting piece is installed and positioned through the upper clamping protruding ring and the lower clamping protruding ring, the sealing performance of the connecting position of the sealing connecting piece and the valve body is improved, the contact area of the sealing connecting piece and the valve element can be increased through the horn-shaped installation base, fixing is conducted through the screws or the pin rods, and the stability and reliability of connection are improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of valve body components, specifically relating to a valve column structure. Background Technology

[0002] The valve stem is a conventional structure within the valve body. It mainly uses moving parts to open or close one or more openings or channels, allowing liquids or other fluids to flow out or be disconnected. The sealing performance of the valve stem affects the overall stability and reliability of the valve body. In the existing technology, the valve stem and valve body are mainly connected by a sealing ring, which not only has limited sealing performance, but also makes the valve stem prone to loosening or falling off after assembly, thus affecting the stability of use and failing to meet market demands. Utility Model Content

[0003] The purpose of this invention is to provide a valve column structure with a reasonable structural design that is conducive to improving sealing performance.

[0004] The technical solution to achieve the purpose of this utility model is a valve column structure, which is set in the valve body and includes a valve column body. The bottom end of the valve column body is provided with a horn-shaped mounting seat for connecting the valve core. The horn-shaped mounting seat is provided with a plurality of mounting holes.

[0005] The outer wall of the valve stem body is provided with a number of radial annular grooves, and the top surface of the horn-shaped mounting seat is provided with at least one annular groove.

[0006] A plurality of sealing gaskets are provided on the outer wall of the valve stem body, and the sealing gaskets are located within the radial annular groove;

[0007] A sealing connector is provided at the connection between the valve stem body and the horn-shaped mounting base.

[0008] The upper part of the inner wall of the sealing connector is provided with an upper locking protrusion ring, and the lower part of the inner wall of the sealing connector is provided with a lower snapping protrusion ring.

[0009] The upper locking protrusion is engaged in the radial annular groove for positioning, the lower locking protrusion is engaged in the annular groove for positioning, and the inner surface of the sealing connector is attached to the outer surface of the valve stem body and the horn-shaped mounting seat.

[0010] A further preferred embodiment is that: a limiting protrusion is provided on the upper part of the valve stem body, and a sealing gasket is provided on the bottom surface of the limiting protrusion, and the limiting protrusion is attached to the surface of the valve body through the sealing gasket.

[0011] A further preferred embodiment is that the horn-shaped mounting base is fixed to the valve stem body by welding or is integrally formed.

[0012] A further preferred embodiment is that the cross-section of the radial annular groove and the annular recess is T-shaped or dovetail-shaped;

[0013] The cross-sectional shape of the upper locking protrusion and the lower locking protrusion is T-shaped or dovetail-shaped.

[0014] This utility model has positive effects: The structure of this utility model is reasonable. It has a horn-shaped mounting seat at the bottom of the valve column body and a sealing connector at the connection. The sealing connector is installed and positioned by the upper locking protrusion ring and the lower snapping protrusion ring, which can improve the sealing performance at the connection with the valve body. In addition, the horn-shaped mounting seat can increase the contact area with the valve core. It can be fixed by multiple screws or pins, which improves the stability and reliability of the connection and has strong applicability. Attached Figure Description

[0015] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the specific structure of the sealing connector in this utility model.

[0019] Reference numerals: 1. Valve column body; 2. Horn-shaped mounting seat; 3. Mounting hole; 4. Radial annular groove; 5. Annular groove; 6. Sealing gasket; 7. Sealing connector; 8. Upper locking protrusion; 9. Lower locking protrusion; 10. Limiting protrusion; 11. Sealing gasket layer. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example

[0022] See Figures 1 to 3As shown, a valve stem structure is disposed within a valve body, including a valve stem body 1. The bottom end of the valve stem body is provided with a flared mounting seat 2 for connecting a valve core. The flared mounting seat is provided with a plurality of mounting holes 3. In this embodiment, it is connected to the valve core through the mounting holes, which helps to increase the contact area of ​​the connection, improve the stability and reliability of use, and the size and shape of the bottom opening of the flared mounting seat match the size and shape of the top surface of the valve core, thereby achieving a seamless fit.

[0023] Furthermore, the outer wall of the valve stem body is provided with several radial annular grooves 4, and the top surface of the horn-shaped mounting seat is provided with at least one annular groove 5. In this embodiment, the cross-section of the radial annular groove and the annular groove is T-shaped or dovetail-shaped. During assembly, several sealing gaskets 6 are provided on the outer wall of the valve stem body, and the sealing gaskets are located within the radial annular grooves. A sealing connector 7 is provided at the connection between the valve stem body and the horn-shaped mounting seat. During processing, an upper locking protrusion 8 is provided on the upper part of the inner wall of the sealing connector, and a lower snap-fit ​​protrusion 9 is provided on the lower part of the inner wall of the sealing connector. During assembly, the upper locking protrusion is engaged in the radial annular groove for positioning, and the lower snap-fit ​​protrusion is engaged in the annular groove for positioning, and the inner surface of the sealing connector is attached to the outer surface of the valve stem body and the horn-shaped mounting seat. The cross-sectional shape of the upper locking protrusion and the lower snap-fit ​​protrusion is T-shaped or dovetail-shaped. During assembly, both the sealing gasket and the sealing connector are rubber structures. Their deformable properties allow them to be squeezed into the radial ring and annular groove. This structure helps to improve the stability and reliability of the assembly, and also helps to prevent them from loosening or falling off. Furthermore, the sealing connector wraps the outer wall of the connection between the valve stem body and the flared mounting seat, thereby improving the sealing performance when connected to the valve body.

[0024] In this embodiment, a limiting protrusion ring 10 is provided on the upper part of the valve stem body, and a sealing gasket layer 11 is provided on the bottom surface of the limiting protrusion ring. The limiting protrusion ring is attached to the surface of the valve body through the sealing gasket layer. The limiting protrusion ring can be fixed by a pin, a threaded connection, or welding, and can be processed and set as needed.

[0025] In this embodiment, the horn-shaped mounting base and the valve stem body are fixed by welding or integrally formed.

[0026] This utility model has positive effects: The structure of this utility model is reasonable. It has a horn-shaped mounting seat at the bottom of the valve column body and a sealing connector at the connection. The sealing connector is installed and positioned by the upper locking protrusion ring and the lower snapping protrusion ring, which can improve the sealing performance at the connection with the valve body. In addition, the horn-shaped mounting seat can increase the contact area with the valve core. It can be fixed by multiple screws or pins, which improves the stability and reliability of the connection and has strong applicability.

[0027] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0028] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A valve stem structure disposed within a valve body, characterized in that: Includes a valve stem body, the bottom end of which is provided with a flared mounting seat for connecting a valve core, and the flared mounting seat is provided with a plurality of mounting holes; The outer wall of the valve stem body is provided with a number of radial annular grooves, and the top surface of the horn-shaped mounting seat is provided with at least one annular groove. A plurality of sealing gaskets are provided on the outer wall of the valve stem body, and the sealing gaskets are located within the radial annular groove; A sealing connector is provided at the connection between the valve stem body and the horn-shaped mounting base. The upper part of the inner wall of the sealing connector is provided with an upper locking protrusion ring, and the lower part of the inner wall of the sealing connector is provided with a lower snapping protrusion ring. The upper locking protrusion is engaged in the radial annular groove for positioning, the lower locking protrusion is engaged in the annular groove for positioning, and the inner surface of the sealing connector is attached to the outer surface of the valve stem body and the horn-shaped mounting seat.

2. The valve column structure according to claim 1, characterized in that: The upper part of the valve stem body is provided with a limiting protrusion ring, and the bottom surface of the limiting protrusion ring is provided with a sealing gasket layer. The limiting protrusion ring is attached to the surface of the valve body through the sealing gasket layer.

3. The valve column structure according to claim 1, characterized in that: The horn-shaped mounting base is fixed to the valve stem body by welding or integral molding.

4. The valve column structure according to claim 1, characterized in that: The cross-sections of the radial annular groove and the annular groove are T-shaped or dovetail-shaped; The cross-sectional shape of the upper locking protrusion and the lower locking protrusion is T-shaped or dovetail-shaped.

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