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CN-224214686-U - Sealing structure and valve body device

CN224214686UCN 224214686 UCN224214686 UCN 224214686UCN-224214686-U

Abstract

The utility model relates to the technical field of sealing, in particular to a sealing structure and a valve body device. The sealing structure comprises a sealing gasket and an elastic piece, wherein a mounting groove is formed in one end of the sealing gasket, one end of the elastic piece is matched with the mounting groove, and an anti-falling part connected with the elastic piece is arranged on the groove wall of the mounting groove. The sealing structure is applied to the valve body device, can improve the assembly efficiency, optimize the structural volume, reduce the weight and the cost, can also improve the installation stability, and improve the situations of loose and falling spring installation and inaccurate positioning.

Inventors

  • WU JUN
  • PAN KAI
  • DENG SHUPING
  • MA JUN

Assignees

  • 浙江银轮机械股份有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (10)

  1. 1. A sealing structure, characterized in that: the sealing structure (100) comprises a sealing gasket (110) and an elastic member (120); One end of the sealing gasket (110) is provided with a mounting groove (111), and one end of the elastic piece (120) is matched with the mounting groove (111); Wherein, the groove wall of the mounting groove (111) is provided with an anti-drop part (112) connected with the elastic piece (120).
  2. 2. The seal structure according to claim 1, wherein: the mounting groove (111) is provided on the inner peripheral surface of the gasket (110) or on the end surface of the gasket (110) around the axis of the gasket (110).
  3. 3. The sealing structure according to claim 2, characterized in that: The mounting groove (111) is an L-shaped groove provided on the inner peripheral surface of the gasket (110).
  4. 4. The seal structure according to claim 1, wherein: The anti-falling part (112) comprises a plurality of bosses (113) which are arranged at intervals around the axis of the sealing gasket (110), and the bosses (113) are all used for being clamped with the elastic piece (120).
  5. 5. The sealing structure according to claim 4, wherein: the boss (113) extends in the axial direction of the gasket (110).
  6. 6. The sealing structure according to claim 4, wherein: The distance from the surface of the boss (113) away from the inner peripheral wall of the sealing gasket (110) to the axis of the sealing gasket (110) gradually decreases from the outside of the sealing gasket (110) to the inside of the sealing gasket (110); Wherein a maximum distance from a surface of the boss 113 away from the inner peripheral wall of the gasket 110 to an axis of the gasket 110 is smaller than an outer diameter of the elastic member 120.
  7. 7. The seal structure according to claim 1, wherein: the anti-drop part (112) comprises a plurality of clamping teeth (114) which are annularly arranged on the groove wall of the mounting groove (111) along the axial direction of the sealing gasket (110).
  8. 8. The seal structure of claim 7, wherein: The distance from the surface of the latch (114) away from the inner peripheral wall of the sealing gasket (110) to the axis of the sealing gasket (110) gradually decreases from the outside of the sealing gasket (110) to the inside of the sealing gasket (110); Wherein a maximum distance from a surface of each latch (114) away from an inner peripheral wall of the gasket (110) to an axis of the gasket (110) is smaller than an outer diameter of the elastic member (120).
  9. 9. The seal structure according to claim 1, wherein: The anti-falling part (112) comprises a limiting groove (115) which is arranged on the groove wall of the mounting groove (111) around the axis of the sealing gasket (110), and the limiting groove (115) is used for being clamped with one end of the elastic piece (120) which is positioned in the mounting groove (111).
  10. 10. A valve body apparatus, characterized in that: The valve body device comprises a valve body, a valve core and a sealing structure (100) as claimed in any one of claims 1-9, wherein the valve body is provided with a runner port, and the sealing structure (100) is arranged at the runner port and is abutted against the valve core.

Description

Sealing structure and valve body device Technical Field The utility model relates to the technical field of sealing, in particular to a sealing structure and a valve body device. Background Along with the continuous development of the automobile industry, the structural type of the valve is also continuously updated, the requirements of most of the current modules on the traditional independent valves are gradually reduced, the requirements on the valves of the embeddable modules are increasingly increased, but the installation cooperation of the traditional sealing gasket and the spring is in a shaft hole cooperation mode, so that the installation is large in occupied space of products, unstable in installation and easy to fall off after the installation. Disclosure of utility model The utility model aims to provide a sealing structure and a valve body device, which can improve the assembly efficiency, optimize the structure volume, reduce the weight and the cost, improve the installation stability, and improve the situations of loose and falling spring installation and inaccurate positioning. Embodiments of the utility model may be implemented as follows: In a first aspect, the present utility model provides a sealing structure comprising a gasket and an elastic member; one end of the sealing gasket is provided with a mounting groove, and one end of the elastic piece is matched with the mounting groove; wherein, the cell wall of mounting groove disposes the anticreep portion of being connected with the elastic component. In an alternative embodiment, the mounting groove is provided on the inner peripheral surface of the gasket or on the end surface of the gasket around the axis of the gasket. In an alternative embodiment, the mounting groove is an L-shaped groove provided on the inner peripheral surface of the gasket. In an alternative embodiment, the anti-falling portion includes a plurality of bosses spaced around the axis of the gasket, and the plurality of bosses are all configured to engage with the elastic member. In an alternative embodiment, the boss extends in the axial direction of the gasket. In an alternative embodiment, the distance from the surface of the boss away from the inner peripheral wall of the gasket to the axis of the gasket gradually decreases from the outside of the gasket to the inside of the gasket; wherein, the maximum distance from the surface of the boss away from the inner peripheral wall of the sealing gasket to the axis of the sealing gasket is smaller than the outer diameter of the elastic piece. In an alternative embodiment, the anti-drop portion includes a plurality of latches disposed in an annular array about an axis of the gasket at a wall of the mounting groove. In an alternative embodiment, the distance from the latch to the axis of the gasket increases gradually from the outside of the gasket to the inside of the gasket; Wherein, the maximum distance between each latch and the axis of the sealing gasket is smaller than the outer diameter of the elastic piece. In an alternative embodiment, the anti-falling portion includes a limiting groove disposed on a groove wall of the mounting groove around an axis of the sealing gasket, and the limiting groove is used for being clamped with one end of the elastic member located in the mounting groove. The utility model provides a valve body device, which comprises a valve body, a valve core and the sealing structure, wherein the valve body is provided with a pipeline opening, and the sealing structure is arranged at the pipeline opening and is abutted against the valve core. The sealing structure and the valve body device provided by the embodiment of the utility model have the beneficial effects that: The sealing structure comprises a sealing gasket and an elastic piece, wherein a mounting groove is formed in one end of the sealing gasket, one end of the elastic piece is matched with the mounting groove, and an anti-falling part connected with the elastic piece is arranged on the groove wall of the mounting groove. The sealing structure is applied to the valve body device, can improve the assembly efficiency, optimize the structural volume, reduce the weight and the cost, can also improve the installation stability, and improve the situations of loose and falling spring installation and inaccurate positioning. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a cross-sectional view of a seal structure provided in this embodiment; fig. 2 is a schematic structural diagram of