CN219774854U - Ball valve sealing element and ball valve - Google Patents

Abstract

The utility model discloses a ball valve sealing element and a ball valve, and relates to the field of ball valves. The utility model relates to a mounting ring and an inner ball body, wherein the mounting ring comprises an inner notch, an annular groove is formed in the side wall of the inner notch, a fixed plate is slidably arranged in the inner notch, an annular plate is fixedly connected to the peripheral side surface of the fixed plate, a fixed sliding rod is fixedly connected in the annular groove, an extrusion spring is slidably sleeved on the peripheral side surface of the fixed sliding rod, a second sealing gasket is fixedly connected with the fixed plate, the surface of the second sealing gasket is an inner cambered surface, the cambered surface is in contact with the surface of the inner ball body in a fitting manner, a mounting groove is formed in one surface, far away from the second sealing gasket, of the mounting ring, a first sealing gasket is fixedly arranged in the mounting groove, the inner ball body comprises a flow hole, the mounting ring comprises a middle hole, the flow hole is communicated with the middle hole, and the extrusion spring and the annular plate are both positioned on the fixed sliding rod and slide. The utility model further attaches the inner sphere and the second sealing gasket, thereby enabling the contact tightness of the second sealing gasket and the inner sphere.

Description

Ball valve sealing element and ball valve

Technical Field

The utility model belongs to the technical field of ball valves, and particularly relates to a ball valve sealing element and a ball valve.

Background

The ball valve, the opening and closing piece (sphere) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between a V-shaped ball core and a hard metal valve seat for surfacing, and the device is suitable for mediums such as fiber, tiny solid particles and the like. The multi-way ball valve is mixed on the pipeline, so that the confluence and the flow direction switching of media can be flexibly controlled, any channel is closed at the same time, and the other two channels are connected, the joint of the ball valve is usually filled with a sealing piece, so that the joint of the ball valve can not leak, the sealing piece can be used for sealing rings at present, and when the two surfaces of the sealing piece are contacted with the valve body, the existing sealing rings are of a single structure, and the problem that the connection between the valve bodies is not tight enough can be caused due to long-time use, so that a certain gap exists at the joint of the valve, and the leakage is caused.

Disclosure of Invention

The utility model aims to provide a ball valve sealing element and a ball valve, which solve the problems of the existing sealing elements that: because the sealing washer is single structure, long-time use, probably can cause the inseparable problem of connection between the valve body, lead to there to exist certain clearance in valve junction, cause the problem of the condition of seepage.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a ball valve sealing element and a ball valve, which comprises a mounting ring and an inner ball body, wherein the mounting ring comprises an inner notch, the side wall of the inner notch is provided with an annular groove, a fixed plate is slidably arranged in the inner notch, the peripheral side surface of the fixed plate is fixedly connected with an annular plate, a fixed slide rod is fixedly connected in the annular groove, the peripheral side surface of the fixed slide rod is slidably sleeved with an extrusion spring, the annular plate is fixedly connected with the fixed plate, a second sealing gasket is fixedly connected with the fixed plate, the surface of the second sealing gasket is an inner cambered surface, the cambered surface is in contact with the surface of the inner ball body, the extrusion spring and the annular plate are both positioned on the fixed slide rod to slide, the extrusion spring and the annular plate are in abutting contact, the fixed slide rod and the extrusion spring are mutually matched to form an extrusion mechanism, the extrusion mechanism is at least two groups and are uniformly arranged in the annular groove, the extrusion spring and the extrusion spring are mutually matched to form the extrusion mechanism, the extrusion mechanism is at least two groups and are uniformly arranged in the annular groove,

the mounting groove is offered to a surface that the collar was kept away from the second sealed pad, and mounting groove internal fixation has first sealed pad, and first sealed pad and second sealed pad set up respectively in the opposite two surfaces of collar, and first sealed pad is laminated with the disk seat, and second sealed pad is laminated with interior spheroid.

The inner sphere includes a flow bore and the mounting ring includes a middle bore, the flow bore communicating with the middle bore.

The extrusion spring and the annular plate are located on the fixed sliding rod and slide, the extrusion spring and the annular plate are in abutting contact, the fixed sliding rod and the extrusion spring are matched with each other to form an extrusion mechanism, the extrusion mechanism is at least two groups and is uniformly arranged in the annular groove, the extrusion mechanism is formed by the mutual matching of the extrusion spring and the annular plate, the extrusion mechanism is at least two groups and is uniformly arranged in the annular groove, and the extrusion mechanism is located on the mounting ring and is effectively supported on the fixed plate, so that the structural stability is improved.

The present utility model provides a ball valve comprising a ball valve seal as in any one of the above embodiments.

The utility model has the following beneficial effects:

according to the utility model, the first sealing gasket, the second sealing gasket and the extrusion mechanism are arranged, the mounting ring is arranged in the ball valve during mounting, the second sealing gasket is contacted with the inner sphere, the first sealing gasket is connected with the valve seat, the extrusion spring enables the annular plate to keep an outward ejection state, the annular plate drives the fixing plate to move, so that the contact tightness of the second sealing gasket and the inner sphere is realized, meanwhile, the surface of the second sealing gasket is an inner cambered surface, so that the inner sphere and the second sealing gasket are further attached, the sealing capability is further improved, the extrusion mechanism is formed by the abutting contact of the extrusion spring and the annular plate, the fixed sliding rods and the extrusion springs are mutually matched to form the extrusion mechanism, and the extrusion mechanisms are at least two groups and are uniformly arranged in the annular groove, so that the extrusion mechanism is positioned in the mounting ring to effectively support the fixing plate, and the structural stability is improved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall schematic of a ball valve seal and ball valve of the present utility model;

FIG. 2 is a schematic rear view of a ball valve seal and ball valve of the present utility model;

FIG. 3 is a schematic side view of a ball valve seal and ball valve of the present utility model;

FIG. 4 is a schematic view in section A-A of FIG. 3;

fig. 5 is a partial enlarged view of a portion a of fig. 4.

In the drawings, the list of components represented by the various numbers is as follows:

1. a mounting ring; 2. an inner sphere; 3. a flow hole; 4. a first gasket; 5. a second gasket; 6. an intrados surface; 7. a fixing plate; 8. an inner notch; 9. fixing the slide bar; 10. an annular plate; 11. a mounting groove; 12. extruding a spring; 13. an annular groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the ball valve sealing member of this embodiment includes a mounting ring 1, an inner ball 2, the mounting ring 1 includes an inner notch 8, an annular groove 13 is provided on a side wall of the inner notch 8, a fixing plate 7 is slidably mounted in the inner notch 8, an annular plate 10 is fixedly connected to a peripheral side surface of the fixing plate 7, a fixing slide rod 9 is fixedly connected to the annular groove 13, an extrusion spring 12 is slidably sleeved on a peripheral side surface of the fixing slide rod 9, the annular plate 10 is fixedly connected to the fixing plate 7, a second sealing pad 5 is fixedly connected to the fixing plate 7, an intrados 6 is provided on a surface of the second sealing pad 5, and the arced surface is in contact with a surface of the inner ball 2.

A mounting groove 11 is formed in one surface, far away from the second sealing gasket 5, of the mounting ring 1, a first sealing gasket 4 is fixedly mounted in the mounting groove 11, the first sealing gasket 4 and the second sealing gasket 5 are respectively arranged on two opposite surfaces of the mounting ring 1, the first sealing gasket 4 is attached to a valve seat, and the second sealing gasket 5 is attached to the inner sphere 2.

The inner sphere 2 comprises a flow hole 3 and the mounting ring 1 comprises a middle hole, the flow hole 3 being in communication with the middle hole.

The extrusion spring 12 and the annular plate 10 are both located on the fixed slide bar 9 and slide, the extrusion spring 12 and the annular plate 10 are in abutting contact, the fixed slide bar 9 and the extrusion spring 12 are matched with each other to form an extrusion mechanism, the extrusion mechanism is at least two groups and is uniformly arranged in the annular groove 13, the extrusion mechanism is formed by the abutting contact of the extrusion spring 12 and the annular plate 10, the fixed slide bar 9 and the extrusion spring 12 are matched with each other to form the extrusion mechanism, the extrusion mechanism is at least two groups and is uniformly arranged in the annular groove 13, and the extrusion mechanism is located in the mounting ring 1 and effectively supports the fixed plate 7, so that the structural stability is improved.

The ball valve of this embodiment, including the ball valve sealing member of any one of the above embodiments, during the equipment, installation collar 1 and interior spheroid 2 are installed inside the ball valve, and first sealed 4 and ball valve inner wall laminating, second sealed 4 and interior spheroid 2 laminating of filling up.

As shown in fig. 1 to 5, the present embodiment is a ball valve sealing member and a method for using the ball valve: install collar 1 in the ball valve to with second sealed pad 5 and interior spheroid 2 contact, first sealed pad 4 and disk seat are connected, and extrusion spring 12 makes annular plate 10 keep outwards ejecting state, and annular plate 10 drives fixed plate 7 and remove, thereby makes the contact leakproofness of second sealed pad 5 and interior spheroid 2, simultaneously because second sealed pad 5 surface is intrados 6, thereby makes interior spheroid 2 and second sealed pad 5 further laminate, thereby further improves sealing capability.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a ball valve sealing member, includes collar (1), interior spheroid (2), its characterized in that: including interior notch (8) in collar (1), ring channel (13) have been seted up to interior notch (8) lateral wall, interior slidable mounting has fixed plate (7) in notch (8), fixed plate (7) week side fixedly connected with annular plate (10), fixedly connected with fixed slide bar (9) in ring channel (13), extrusion spring (12) have been cup jointed to fixed slide bar (9) week side slip, second is sealed fills up (5) and fixed plate (7) fixed connection, second is sealed fills up (5) surface and is intrados (6), and arcwall face and interior spheroid (2) surface laminating contact.

2. A ball valve seal according to claim 1, characterized in that a mounting groove (11) is provided in a surface of the mounting ring (1) remote from the second gasket (5), and the first gasket (4) is fixedly mounted in the mounting groove (11).

3. A ball valve seal according to claim 1, characterized in that the inner sphere (2) comprises a flow-through hole (3), the mounting ring (1) comprising a middle hole, the flow-through hole (3) and the middle hole being in communication.

4. A ball valve seal according to claim 1, characterized in that the compression spring (12) and the annular plate (10) are both sliding on the fixed slide bar (9), the compression spring (12) and the annular plate (10) being in abutting contact.

5. A ball valve sealing element according to claim 2, characterized in that the fixed slide bar (9) and the extrusion spring (12) are mutually matched to form an extrusion mechanism, and the extrusion mechanism is at least two groups and is uniformly arranged in the annular groove (13).

6. A ball valve seal according to claim 2, characterized in that the first gasket (4) and the second gasket (5) are provided on opposite surfaces of the mounting ring (1), respectively.

7. A ball valve, characterized in that: comprising a ball valve seal according to any one of claims 1 to 6.