CN214789128U

CN214789128U - Quick-opening valve core

Info

Publication number: CN214789128U
Application number: CN202120933851.7U
Authority: CN
Inventors: 王瑞卿; 黄丽明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-01
Filing date: 2021-05-01
Publication date: 2021-11-19
Anticipated expiration: 2031-05-01

Abstract

The utility model discloses a quick-opening valve core, which comprises a valve core shell with a water inlet and a water outlet, a metal gland matched and assembled with the valve core shell, a ceramic moving plate and a ceramic static plate which are arranged in the valve core shell, a rotating seat driving the ceramic moving plate to rotate, and a valve rod driving the rotating seat to rotate, wherein the inner wall of the valve core shell is provided with two limiting rings protruding towards the surface, the two limiting rings are symmetrically arranged along the axis by 180 degrees, the rotating seat is provided with a boss surface matched with the limiting rings, a mutually matched limiting table is arranged between the metal gland and the valve core shell, the limiting tables are distributed along the circumferential direction of the valve core shell, a first sealing groove is arranged on the limiting table of the valve core shell, and a first sealing ring is embedded in the first sealing groove. Prevent the phenomenon of water leakage from the side surface, which leads to the rustiness and corrosion of the metal gland and the damage of the metal gland.

Description

Quick-opening valve core

Technical Field

The utility model relates to a case, concretely relates to quick-open valve core.

Background

The traditional quick-opening valve core is mainly sealed by ceramic chips in a hard mode, and mainly comprises a valve core shell, a gland, a ceramic moving sheet, a ceramic static sheet, a rotary seat and a valve rod, wherein the valve core shell and the gland are integrally molded by injection, the valve core needs to be screwed by a nut on the gland when being installed, the gland is made of plastic and is easy to damage to cause the rejection of the whole valve core, and the valve core shell and the gland are integrally molded by copper, so that the cost is high, and the quick-opening valve core is not suitable for market popularization; therefore, the existing gland is made of metal, the valve core shell is made of plastic, and then the assembly is carried out, but the structural relationship between the valve core shell and the gland is easy to cause side water leakage, so that the gland is rusted for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned weak point that exists among the prior art, the utility model aims to provide a prevent disconnected quick-opening valve core.

The utility model discloses a following technical scheme realizes: the utility model provides a quick-open valve core, includes the case casing that has water inlet and delivery port, with the metal gland of case casing cooperation assembly, install ceramic rotor and the ceramic stator in the case casing and drive ceramic rotor pivoted roating seat, drive the rotatory valve rod of roating seat, be equipped with two at the inner wall of case casing to the protruding spacing ring in surface, two protruding spacing rings are 180 degrees symmetries along the axis and set up, be equipped with on the roating seat with spacing ring complex boss face, be equipped with the spacing platform of mutually supporting between metal gland and the case casing, spacing platform distributes along case casing circumference, is equipped with first seal groove on the spacing platform of case casing, and the embedding has first sealing washer in the first seal groove, and first sealing washer is located between the spacing platform of metal gland's spacing platform and the spacing platform of case casing.

Further, the valve rod and the rotating seat are integrally formed by plastic.

Further, the case shell of the utility model is made of plastic.

Further, case casing is including the spacing section of installation, screw thread section, the ceramic locating section from top to bottom, the screw thread section outside is equipped with to the bellied stopper in surface, and the metal gland inner wall is equipped with the spacing groove with stopper cooperation location.

Further, installation spacing section inner wall and valve rod between be equipped with second O type sealing washer.

Compared with the prior art, the utility model, following advantage and beneficial effect have: the utility model discloses increase first sealing washer between the up end of metal gland and case casing, can guarantee the water proofness between metal gland and the case casing, prevent water edgewise water leakage phenomenon, lead to the metal gland to rust, corrode, cause the metal gland to damage.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional structural view of the metal cover of the present invention;

fig. 3 is a front view of the plastic valve core housing of the present invention;

FIG. 4 is a schematic top view of the structure of FIG. 3;

FIG. 5 is a bottom view of the structure of FIG. 3;

fig. 6 is a schematic structural view of the present invention in which the rotary seat and the valve rod are integrally formed;

wherein: 1-case casing, 2-metal gland, 3-ceramic rotor, 4-ceramic stator, 5-rotation, 6-valve rod, 7-mesa, 8-first sealing washer spacing platform, 9-first sealing washer, 10-water inlet, 11-delivery port, 12-protruding spacing ring, 13-installation spacing section, 14-screw thread section, 15-ceramic positioning section, 16-stopper, 17-spacing groove, 18-second O type sealing washer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the quick-opening valve core of the present embodiment includes a plastic valve core housing 1 having a water inlet 10 and a water outlet 11, a metal gland 2 assembled with the valve core housing 1 in a matching manner, a ceramic rotor 3 and a ceramic stator 4 installed in the plastic valve core housing 1, a rotary base 5 driving the ceramic rotor to rotate, and a valve rod 6 driving the rotary base 5 to rotate, wherein the valve rod 6 and the rotary base 5 are integrally formed by plastic, two limiting rings 12 protruding toward the surface are disposed on the inner wall of the plastic valve core housing 1, the two limiting rings 12 are symmetrically disposed along the axis at 180 degrees, a boss surface 7 matching with the limiting rings 12 is disposed on the rotary base 5, so that the rotary base 5 can rotate around the axis to realize quick opening and quick closing of the valve core, mutually matching limiting platforms 8 are disposed between the metal gland 2 and the valve core housing 1, the limiting platforms 8 are distributed along the circumferential direction of the valve core housing 1, be equipped with first seal groove 9 on the spacing platform of case casing 1, the embedding has first sealing washer 19 in first seal groove 9, and first sealing washer 19 is located between the spacing platform of metal gland 2 and the spacing platform of case casing 1, can prevent like this that water from leaking between the outside of plastic case casing 1 and the metal gland 2, leads to the metal gland to rust, corrode, causes the metal gland to damage.

The valve core shell 1 comprises an installation limiting section 13, a threaded section 14 and a ceramic positioning section 15 from top to bottom, a limiting block 16 protruding towards the surface is arranged on the outer side of the threaded section 14, and a limiting groove 17 matched and positioned with the limiting block 16 is arranged on the inner wall of the metal gland 2.

And second O-shaped sealing rings 18 are arranged between the inner wall of the installation limiting section 13 and the valve rod 6, the number of the second O-shaped sealing rings 18 can be two or more, and the number of the second O-shaped sealing grooves is determined according to the number of the valve rod 6.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a quick-open valve core, including the case casing that has water inlet and delivery port, with the metal gland of case casing cooperation assembly, install ceramic rotor and the ceramic stator in the case casing, and drive ceramic rotor pivoted roating seat, drive the rotatory valve rod of roating seat, be equipped with two at the inner wall of case casing and to the protruding spacing ring in surface, two protruding spacing rings are 180 degrees symmetries along the axis and set up, be equipped with on the roating seat with the protruding mesa of spacing ring complex, its characterized in that: be equipped with the spacing platform of mutually supporting between metal gland and the case casing, spacing platform distributes along case casing circumference, is equipped with first seal groove on the spacing bench of case casing, the embedding has first sealing washer in the first seal groove, first sealing washer is located between the spacing platform of metal gland and the spacing platform of case casing.

2. The quick-opening valve cartridge according to claim 1, wherein: the valve rod and the rotary seat are integrally formed by plastic.

3. The quick-opening valve cartridge according to claim 1, wherein: the valve core shell is made of plastic.

4. A quick-opening valve cartridge according to claim 1 or 3, wherein: the valve core shell comprises an installation limiting section, a threaded section and a ceramic positioning section from top to bottom, wherein a limiting block protruding towards the surface is arranged on the outer side of the threaded section, and a limiting groove matched and positioned with the limiting block is formed in the inner wall of the metal gland.

5. The quick-opening valve cartridge according to claim 4, wherein: and a second O-shaped sealing ring is arranged between the inner wall of the installation limiting section and the valve rod.