CN215861798U

CN215861798U - Valve core assembly

Info

Publication number: CN215861798U
Application number: CN202121867456.XU
Authority: CN
Inventors: 桂检仔; 张应彬
Original assignee: Zhongshan Hanji Electric Appliance Co ltd
Current assignee: Zhongshan Hanji Electric Appliance Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-18
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a valve core assembly, which comprises a valve core, wherein one end of the valve core is provided with a ball valve flange protruding outwards, one side of the ball valve flange, which is close to the valve core, is a first spherical curved surface, the first spherical curved surface is provided with a circular groove, a sealing element is arranged in the circular groove, one side of the ball valve flange is provided with the first spherical curved surface, the circular groove is also provided with the circular groove, and the sealing element is arranged in the circular groove.

Description

Valve core assembly

Technical Field

The utility model relates to the technical field of proportional valves, in particular to a valve core assembly.

Background

In the prior art, one end of a valve core is provided with a ball valve flange which protrudes outwards and is sealed through the ball valve flange, and the structure has poor sealing performance; therefore, it is necessary to design a valve core assembly with good sealing performance and convenient installation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a valve core assembly, which solves one or more of the problems of the prior art.

In order to achieve the purpose, the utility model adopts the following scheme: a valve core assembly comprises a valve core, wherein one end of the valve core is provided with a ball valve flange protruding outwards, one side, close to the valve core, of the ball valve flange is a first spherical curved surface, a circular groove is formed in the first spherical curved surface, and a sealing piece is arranged in the circular groove.

Further, the outer side surface of the sealing member is a second spherically curved surface.

Furthermore, the first spherical curved surface and the annular groove are transited through an annular surface, and the annular surface and the valve core are on the same axis.

Furthermore, the horizontal distance between the inner side wall surface of the circular groove and the circular ring surface is 0.4-0.6mm, and the height of the circular groove is 2.5-3.5 mm.

Further, the shortest horizontal distance between the inner side wall surface of the circular groove and the first spherical curved surface is 0.4-0.6mm, and the height of the circular groove is 2.5-3.5 mm.

Further, the sealing element is in interference fit with the circular groove.

Further, the material of the sealing element is rubber.

Further, the valve core and the ball valve flange are integrally formed in an injection molding mode.

Furthermore, a conical circular groove is formed in one end, far away from the valve core, of the ball valve flange, the diameter of the lower end of the conical circular groove is 8.4-8.5mm, and the diameter of the upper end of the conical circular groove is 9.4-9.5 mm.

In summary, the beneficial effects of the utility model are as follows: first set up first spherical curved surface with one side of ball valve flange, be provided with the ring groove simultaneously, be equipped with the sealing member in the ring groove, during the installation, the sealing member is through contacting with first spherical curved surface and entering into the ring groove, and the sealing member can with first spherical curved surface rounding off to enable the more smooth entering ring groove of sealing member in, improve the efficiency that the leakproofness improved the installation simultaneously.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a schematic cross-sectional view of the valve cartridge assembly of the present invention installed in a valve body.

FIG. 3 is a second schematic cross-sectional view of the present invention.

Fig. 4 is an exploded view of the present invention.

Description of reference numerals: 1. a valve core; 2. a ball valve flange; 3. a first spherical curved surface; 4. a circular groove; 5. a seal member; 21. a second spherical curved surface; 41. a torus; 10. a valve body; 81. a conical circular groove.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is further described in the following figures and detailed description: the valve core assembly shown in fig. 1 to 4 comprises a valve core 1, wherein one end of the valve core 1 is provided with a ball valve flange 2 protruding outwards, one side, close to the valve core 1, of the ball valve flange 2 is a first spherical curved surface 3, a circular groove 4 is formed in the first spherical curved surface 3, a sealing element 5 is arranged in the circular groove 4, the first spherical curved surface 3 is arranged on one side of the ball valve flange 2, the circular groove 4 is arranged at the same time, the sealing element 5 is arranged in the circular groove 4, during installation, the sealing element 5 is in contact with the first spherical curved surface 3 and enters the circular groove 4, the sealing element 5 can be in smooth transition with the first spherical curved surface 3, the sealing element 5 can enter the circular groove 4 more smoothly, the sealing performance is improved, and the installation efficiency is improved.

In order to make the sealing member 5 more easy get into ring groove 4, pass through the ring surface 41 transition between first spherical surface 3 and the ring groove 4, ring surface 41 and case 1 are on same axle center, the horizontal distance between the interior lateral wall face of ring groove 4 and the ring surface 41 is 0.4-0.6mm, ring groove 4's height is 2.5-3.5mm, consequently, when sealing member 5 card goes into ring groove 4, through the transition of ring surface 41, reduces the distance between first spherical surface 3 and the ring groove 4, makes sealing member 5 get into ring groove 4 more easily in, improves the efficiency of assembly, can not cause the deformation of sealing member 5 simultaneously, guarantees the leakproofness of case subassembly.

Referring to fig. 1-2, the outer side surface of the sealing member 5 is a second spherical curved surface 21, and the second spherical curved surface 21 is matched with the aluminum member of the valve body 10, so that the sealing performance of the valve body 10 can be guaranteed.

In the utility model, the sealing element 5 is made of rubber, and the sealing element 5 is in interference fit with the circular groove 4.

In the utility model, the valve core 1 and the ball valve flange 2 are integrally injection molded, so that the control precision of a product is increased, and the manufacturing cost is reduced.

Referring to fig. 2-3, a conical circular groove 81 is arranged at one end of the ball valve flange 2 away from the valve core 1, the diameter of the lower end of the conical circular groove 81 is 8.4-8.5mm, the diameter of the upper end of the conical circular groove 81 is 9.4-9.5mm, and a spring is placed in the conical circular groove 81 through the arrangement of the conical circular groove 81, so that the valve core assembly can be conveniently opened and closed.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a case subassembly, is including case (1), case (1) one end is equipped with outside bellied ball valve flange (2), its characterized in that: one side of the ball valve flange (2) close to the valve core (1) is a first spherical curved surface (3), a circular groove (4) is formed in the first spherical curved surface (3), and a sealing piece (5) is arranged in the circular groove (4).

2. A valve cartridge assembly according to claim 1, wherein: the outer side surface of the sealing element (5) is a second spherical curved surface (21).

3. A valve cartridge assembly according to claim 1, wherein: a circular ring surface (41) is arranged between the first spherical curved surface (3) and the circular ring groove (4) for transition, and the circular ring surface (41) and the valve core (1) are on the same axis.

4. A valve cartridge assembly according to claim 3, wherein: the horizontal distance between the inner side wall surface of the circular groove (4) and the circular ring surface (41) is 0.4-0.6mm, and the height of the circular groove (4) is 2.5-3.5 mm.

5. A valve cartridge assembly according to claim 1, wherein: the sealing piece (5) is in interference fit with the circular groove (4).

6. A valve core assembly according to any one of claims 1 to 5, wherein: the sealing element (5) is made of rubber.

7. A valve cartridge assembly according to claim 1, wherein: the valve core (1) and the ball valve flange (2) are integrally formed by injection molding.

8. A valve cartridge assembly according to claim 1, wherein: and a conical circular groove (81) is formed in one end, far away from the valve core (1), of the ball valve flange (2), the diameter of the lower end of the conical circular groove (81) is 8.4-8.5mm, and the diameter of the upper end of the conical circular groove is 9.4-9.5 mm.