CN212455580U

CN212455580U - Two-position two-way ball valve with good sealing performance

Info

Publication number: CN212455580U
Application number: CN202020850885.5U
Authority: CN
Inventors: 林永财; 朱佑益; 苏志勇; 林慕舟; 朱韩珏; 刘祥; 陈鹏
Original assignee: Sns Pneumatic Co ltd
Current assignee: Sns Pneumatic Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-02-02
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a two-position two-way ball valve with good sealing performance, which comprises a valve body, wherein an inlet and an outlet are arranged on the valve body axially, the inlet and the outlet are communicated with each other through a medium pipeline, a valve core is arranged in the vertical direction of the medium pipeline, a handle is arranged on the valve core, a sealing ring seat is arranged on the medium pipeline of the inlet, a floating sealing ring is arranged on the sealing ring seat, a circulating pipeline is arranged on the valve core, the handle can drive the valve core to rotate clockwise when the handle rotates clockwise, and the circulating pipeline communicates the inlet medium pipeline with the outlet medium pipeline, so that a medium enters from the inlet and flows out from the outlet; at anticlockwise rotation handle, the handle can drive the case anticlockwise rotation, and the circulation pipeline keeps apart import medium pipeline and export medium pipeline this moment. The utility model discloses its reasonable in design, the structure is succinct, wherein the sealing ring spare part that floats is the mould shaping, can avoid processing, and the performance is more reliable stable, life is also longer simultaneously.

Description

Two-position two-way ball valve with good sealing performance

Technical Field

The utility model relates to a two-position two-way valve technical field especially relates to a two-position two-way ball valve of good leakproofness.

Background

The two-position two-way valve is a commonly used control element, is firm and durable, is usually controlled by hydraulic drive of a double diaphragm cavity, is flexible to apply, can be suitable for switching control of various water flow directions in a right-angle water flow mode and a straight water flow mode, has short movable stroke of a valve plug, is stable in water flow switching, and eliminates the defect of instantaneous mixing of other valves. However, the sealing ring of the existing two-position two-way valve generally adopts a fixed mounting mode, the structure has higher requirements on the processing size of parts, and meanwhile, the sealing ring can leak due to no compensation structure after being worn, so that the products have the defects of high requirements on the processing precision of the parts, short service life and the like.

SUMMERY OF THE UTILITY MODEL

The defect to prior art, the utility model provides a two-position two-way ball valve of good leakproofness, its reasonable in design, the structure is succinct, wherein the sealing ring spare part that floats is the mould shaping, can avoid processing, and the performance is more reliable stable, life is also longer simultaneously.

In order to realize the purpose, the utility model adopts the technical scheme that:

a two-position two-way ball valve with good sealing performance comprises a valve body, wherein an inlet and an outlet are arranged on the valve body axially, the inlet and the outlet are communicated through a medium pipeline, a valve core is arranged in the vertical direction of the medium pipeline, a handle is arranged on the valve core, a sealing ring seat is arranged on the medium pipeline of the inlet, a floating sealing ring is arranged on the sealing ring seat, a circulating pipeline is arranged on the valve core, the handle can drive the valve core to rotate clockwise when the handle is rotated clockwise, the circulating pipeline communicates the inlet medium pipeline with the outlet medium pipeline, so that a medium enters from the inlet and flows out from the outlet; at anticlockwise rotation handle, the handle can drive the case anticlockwise rotation, and the circulation pipeline keeps apart import medium pipeline and export medium pipeline this moment.

The handle is fixedly connected with the valve core through a cross-shaped groove self-tapping screw.

The valve is characterized in that a steel wire check ring for holes and a first O-shaped sealing ring are sequentially arranged between the valve core and the valve body from top to bottom, and a gasket is arranged on the outer surface of the valve core between the steel wire check ring for holes and the first O-shaped sealing ring.

And the sealing ring seat on the inlet medium pipeline is provided with an elastic check ring for a reverse hole.

And a second O-shaped sealing ring is arranged between the sealing ring seat and the medium pipeline of the upper inlet of the valve body.

And a third O-shaped sealing ring 10 is arranged between the sealing ring seat and the floating sealing ring.

And a fourth O-shaped sealing ring is arranged between the floating sealing ring and the valve core.

The periphery of the lower surface of the handle is provided with two handle limiting grooves, correspondingly, the valve body 7 is provided with two limiting bosses, and the two handle limiting grooves and the two limiting bosses correspondingly can rotate 90 degrees clockwise and anticlockwise.

The utility model has the advantages that: compared with the prior art, be provided with the sealing ring seat on the medium pipeline of import, be provided with floating seal ring on the sealing ring seat, make floating seal ring can the adjustment valve core face of floating, thereby increase sealing reliability, and can reduce the processing degree of difficulty of spare part, the hou mian fourth O type sealing washer of this floating seal ring simultaneously with can provide the laminating power of floating seal ring and case always, also can guarantee sealing performance when the sealed face of floating seal ring and case contact appears slight wearing and tearing, consequently the utility model discloses two-position two-way valve has advantages such as the structure is succinct, the spare part processing degree of difficulty is low, dependable performance is stable, long service life. The utility model discloses its reasonable in design, simple structure, the installation and the preparation of being convenient for, the people's of also being convenient for operation simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the present invention in a closed state;

fig. 2 is a perspective view of the utility model in an open state;

fig. 3 is a schematic view of the present invention in a closed state;

fig. 4 is a schematic view of the present invention in an open state;

fig. 5 is a schematic view of the top view in the closed state of the present invention;

fig. 6 is a schematic view of the top view in the opened state of the present invention;

fig. 7 is a schematic view of the handle limiting groove and the limiting boss of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 3 and 4, a two-position two-way ball valve with good sealing performance comprises a valve body 7, an inlet and an outlet are axially arranged on the valve body 7, the inlet and the outlet are communicated with each other through a medium pipeline, a valve core 6 is arranged in the vertical direction of the medium pipeline, a handle 2 is arranged on the valve core 6, the handle 2 is fixedly connected with the valve core 6 through a cross-groove self-tapping screw 1, a sealing ring seat 12 is arranged on the medium pipeline of the inlet, a floating sealing ring 9 is arranged on the sealing ring seat 12, a circulating pipeline is arranged on the valve core 6, a steel wire check ring 3 for holes and a first O-shaped sealing ring 5 are sequentially arranged between the valve core 6 and the valve body 7 from top to bottom, and a gasket 4 is arranged on the outer surface of the. The sealing ring seat 12 on the inlet medium pipeline is provided with an elastic retainer ring 13 for a reverse hole. A second O-shaped sealing ring 11 is arranged between the sealing ring seat 12 and the medium pipeline of the upper inlet of the valve body 7. A third O-shaped sealing ring 10 is arranged between the sealing ring seat 12 and the floating sealing ring 9. A fourth O-shaped sealing ring 8 is arranged between the floating sealing ring 9 and the valve core 6.

As shown in fig. 1, 2, 5, 6 and 7, two handle limiting grooves 21 are formed on the periphery of the lower surface of the handle 2, two limiting bosses 71 are correspondingly formed on the valve body 7, the two handle limiting grooves 21 and the two limiting bosses 71 corresponding thereto can rotate 90 degrees clockwise and anticlockwise, and the number of the handle limiting grooves 21 and the number of the limiting bosses 71 can be set according to actual conditions. When the handle 2 is rotated clockwise, the handle 2 can drive the valve core 6 to rotate clockwise, and the circulation pipeline communicates the inlet medium pipeline with the outlet medium pipeline, so that the medium enters from the inlet and flows out from the outlet; when the handle 2 is rotated anticlockwise, the handle 2 can drive the valve core 6 to rotate anticlockwise, and at the moment, the circulation pipeline separates the inlet medium pipeline from the outlet medium pipeline.

The utility model discloses be provided with sealing ring seat 12 on the medium pipeline of import, be provided with floating seal ring 9 on the sealing ring seat 12, be provided with the circulation pipeline on the case 6, sealing ring seat 12 is provided with circlip 13 for the reverse hole on the medium pipeline of import, be provided with second O type sealing washer 11 between the medium pipeline of going up of sealing ring seat 12 and valve body 7, be provided with third O type sealing washer 10 between sealing ring seat 12 and the floating seal ring 9, be provided with fourth O type sealing washer 8 between floating seal ring 9 and the case 6. Its unique floating seal ring 9 structure makes floating seal ring 9 can float adjustment laminating case 6 face to increase sealing reliability, and can reduce the processing degree of difficulty of spare part, this floating seal ring 9 hou mian fourth O type sealing washer 8 with can provide floating seal ring 9 and case 6's laminating power always simultaneously, also can guarantee sealing performance when the sealed face of floating seal ring 9 and case 6 contact appears slight wearing and tearing, consequently the utility model discloses two-position two-way valve has advantages such as the structure is succinct, the spare part processing degree of difficulty is low, dependable performance is stable, long service life.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims

1. The utility model provides a two-position two-way ball valve of good leakproofness, includes valve body (7), valve body (7) are provided with import and export in the axial, through medium pipeline intercommunication between import and the export, medium pipeline vertical direction is provided with case (6), be provided with handle (2), its characterized in that on case (6): a sealing ring seat (12) is arranged on the medium pipeline of the inlet, a floating sealing ring (9) is arranged on the sealing ring seat (12), a circulating pipeline is arranged on the valve core (6), the valve core (6) is driven to rotate clockwise by rotating the handle (2) clockwise, the inlet medium pipeline is communicated with the outlet medium pipeline by the circulating pipeline, so that the medium enters from the inlet and flows out from the outlet; at anticlockwise rotation handle (2), handle (2) can drive case (6) anticlockwise rotation, and the circulation pipeline keeps apart import medium pipeline and export medium pipeline this moment.

2. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: the handle (2) is fixedly connected with the valve core (6) through a cross-shaped groove self-tapping screw (1).

3. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: the valve is characterized in that a steel wire check ring (3) for holes and a first O-shaped sealing ring (5) are sequentially arranged between the valve core (6) and the valve body (7) from top to bottom, and a gasket (4) is arranged on the outer surface of the valve core (6) between the steel wire check ring (3) for holes and the first O-shaped sealing ring (5).

4. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: and the sealing ring seat (12) on the inlet medium pipeline is provided with an elastic check ring (13) for a reverse hole.

5. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: and a second O-shaped sealing ring (11) is arranged between the sealing ring seat (12) and the medium pipeline of the upper inlet of the valve body (7).

6. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: and a third O-shaped sealing ring (10) is arranged between the sealing ring seat (12) and the floating sealing ring (9).

7. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: and a fourth O-shaped sealing ring (8) is arranged between the floating sealing ring (9) and the valve core (6).

8. A two-position two-way ball valve with good sealing performance as claimed in claim 1, wherein: handle (2) lower surface periphery is provided with two handle spacing grooves (21), and with it correspondingly, be provided with two spacing bosss (71) on valve body (7), two handle spacing grooves (21) can carry out clockwise and anticlockwise rotation 90 degrees with two spacing bosss (71) with it correspondingly.