CN213236166U

CN213236166U - Top-mounted wear-resistant ball valve

Info

Publication number: CN213236166U
Application number: CN202022194628.3U
Authority: CN
Inventors: 谢章方; 陈美英; 葛晓瓯; 黄建会; 谢玲琴
Original assignee: Shanggao Group Co ltd
Current assignee: Shanggao Group Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-18
Anticipated expiration: 2030-09-30

Abstract

The application relates to an upper-mounted wear-resistant ball valve, which comprises a valve body, a ball body and a valve seat, wherein the ball body and the valve seat are arranged on the valve body, the valve seat is in butt joint with the ball body to form sealing, a hollow opening is formed in the upper portion of the valve body, and a valve cover is sleeved on the opening; the opening is a hollow cylinder, and the upper part of the opening is hollow and is butted with a valve cover sleeve at the bottom of the valve cover; open diameter equals the diameter of valve gap, and open diameter is greater than spheroidal diameter, utilizes and installs the valve gap cover in uncovered, docks the spheroid through the valve gap cover, and then the valve gap cover improves comparatively stable of spheroid and disk seat butt joint, and the spheroid can be convenient in going into the valve body through uncovered installation.

Description

Top-mounted wear-resistant ball valve

Technical Field

The application relates to the field of ball valves, in particular to an upper-mounted wear-resistant ball valve.

Background

The ball valve is internally provided with the ball body and the valve seat, so that the ball valve is not convenient to mount because the gap between the ball body and the valve seat is small in the mounting process, and the wear resistance of the ball valve is influenced because the positioning is not accurate after the ball valve is mounted.

In particular, in severe cases, the positioning of the ball with respect to the valve seat and the valve body results in a greater influence on the wear resistance.

How to improve comparatively stable of spheroid and disk seat butt joint, and the spheroid can be convenient the installation go into the valve body, the urgent need is solved.

Disclosure of Invention

The purpose of the application is: the butt joint of the ball body and the valve seat is improved to be stable, and the ball body can be conveniently installed into the valve body.

The utility model provides a purpose is accomplished through following technical scheme, a wear-resisting ball valve of facial make-up, wear-resisting ball valve includes the valve body, locates spheroid and disk seat on the valve body, the disk seat docks the spheroid and forms sealedly, wherein

The upper part of the valve body is provided with a hollowed-out opening, and a valve cover is sleeved on the opening;

the opening is a hollow cylinder, and the upper part of the opening is hollow and is butted with a valve cover sleeve at the bottom of the valve cover;

the diameter of the opening is equal to that of the valve cover, and the diameter of the opening is larger than that of the ball body.

Preferably, the valve cover bottom on both sides of the valve cover sleeve is recessed with a sealing groove filled with a sealing gasket.

Preferably, the section of the sealing gasket is similar to a diamond shape, a stud is further inserted between the valve cover and the valve body, and a nut is fixedly locked on the stud.

Preferably, a bearing is fixed at the top of the ball body and is inserted into the valve cover sleeve;

the bottom of the ball body is fixed with a bearing which is sleeved in a groove at the bottom of the valve body.

Preferably, a valve rod is fixed on the top of the sphere;

a filler for sealing is filled between the valve rod and the cover sleeve;

a packing gland is fixed on the cover sleeve on the upper part of the packing;

and a packing pressure plate is fixed on the packing pressure cover.

Preferably, an annular thrust pad is sleeved between the valve rod and the cover sleeve.

Compared with the prior art, the application has the following obvious advantages and effects:

1. utilize uncovered well installation valve bonnet cover, dock the spheroid through the valve bonnet cover, and then the valve bonnet cover improves comparatively stable of spheroid and disk seat butt joint, and the spheroid can be convenient in going into the valve body through uncovered installation.

Drawings

Fig. 1 is a diagram of the overall structural arrangement of the present application.

Fig. 2 is an enlarged view of the structure of the portion a in fig. 1 of the present application.

List of parts in this application

Detailed Description

Specific embodiments thereof are described below in conjunction with the following description and the accompanying drawings to teach those skilled in the art how to make and use the best mode of the present application. For the purpose of teaching application principles, the following conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the application. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. In the present application, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the invention, and the relative relationship between the terms and the corresponding terms may be changed or adjusted without substantial technical change. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.

Fig. 1-2 illustrate one embodiment of a top-loading, wear-resistant ball valve of the present application.

As shown in fig. 1, in the present embodiment,

the utility model provides a wear-resisting ball valve of upper assembling type, wear-resisting ball valve includes valve body 1, locates spheroid 2 and disk seat 5 on the valve body 1, disk seat 5 docks spheroid 2 and forms sealedly, and wherein, the upper portion of valve body 1 is equipped with uncovered 1a, utilizes installation valve cover 91 in uncovered 1a, docks spheroid 2 through valve cover 91, and then valve cover 91 improves comparatively stable of spheroid 2 and disk seat 5 butt joint, and the spheroid can be convenient to go into in the valve body 1 through uncovered 1a installation.

A cylindrical opening 1a is hollowed out along the upper part of the valve body 1, and a circular valve cover 9 is sleeved in the opening 1 a. The open port 1a is filled with the valve cap 9. The opening 1a is a hollow cylinder, and the upper part of the opening 1a is hollow and is butted with a valve cover sleeve 91 at the bottom of the valve cover 9.

For the stability of guaranteeing stable support and butt joint structure, guarantee the butt joint between each structure, consequently, set up the diameter of uncovered 1a and equal to the diameter of valve gap 9, guarantee that spheroid 2 is convenient installs in uncovered 1a, consequently uncovered 1 a's diameter is greater than spheroid 2's diameter.

It should be noted that, as shown in fig. 1 and 2, in the embodiment of the present application,

in order to ensure sufficient sealing between the step structure formed on the two sides of the valve cover 91 and the valve body 1, two sides of the valve cover 91 are provided with sealing grooves, the sealing grooves are concavely arranged at the bottom of the valve cover 9, and the sealing gaskets 8 are filled in the sunken sealing grooves. The stable sealing of the specific bonding structure can be provided with a multi-surface butt joint structure.

The section of the sealing gasket 8 is similar to a diamond shape and can be of an annular structure, so that the integral sealing and butt joint are ensured.

It is further noted that, as shown in fig. 1 and 2, in the embodiment of the present application,

in order to ensure the butt joint and combination of the structures, a plurality of studs 21 are fixedly inserted between the valve cover 9 and the valve body 1, locking nuts 22 are fixed along the upper parts of the studs 21, and the studs 21 are locked through the nuts 22.

in order to further improve the supporting performance of the rotation and ensure that the ball can rotate in a bearing manner in a strict ring shape, the upper part and the lower part of the ball 2 are both arranged into an upper shaft and a lower shaft, the upper shaft and the lower shaft are used for supporting the rotation of the ball 2, and a bearing is arranged in the support to improve the rotation effect. According to the specific scheme, the bearing 7 is fixed at the top of the ball body 2, the bearing 7 is inserted into the valve cover sleeve 91, and the hollow part inside the valve cover sleeve 91 is used for ensuring stable support and fixation. The bottom of the ball body 2 is also rotatably supported along the bottom, so that a bearing 3 is fixed at the bottom of the ball body 2, the bearing 3 is sleeved in a groove at the bottom of the valve body 1, an adjusting pad 4 is further arranged in the groove, and the adjusting pad 4 is used for adjusting the initial position of the bottom space of the ball body 2.

the stability of combination is further improved, and the sealing effect of the rotating position is ensured, so that the valve rod 10 is fixed on the top of the ball body 2; and a sealing structure is installed along the side wall of the cover sleeve 91, and specifically, packing 19 and 20 for sealing are filled between the valve rod 10 and the cover sleeve 91.

In order to enhance the stability of the sealing and ensure the enhanced sealing effect of the pressing, an annular packing gland 11 is arranged, the annular packing gland 11 is arranged at the upper parts of the

packings

19 and 20 for fixed pressing,

and the structure is further reinforced, so that the annular packing pressure plate 12 is fixed on the annular packing pressure cover 11 to be further pressed downwards, and the stability of the sealing structure is improved.

when guaranteeing sealing stability, do not take place the skew for the position after guaranteeing to adjust, improve spheroid retentivity consequently, still cup jointed annular thrust pad 17, thrust pad 18 along valve rod 10 and cover 91 within a definite time, specifically, the thrust pad has two, can fully strengthen the retentivity and the steadiness of structure through two thrust pads.

Design structure characteristic description:

1. the valve is easy to maintain and adopts a top-mounted type.

2. The upper and lower fulcrum shafts and the ball body are integrated, so that the U ball is completely supported to absorb process load, and the stable and reliable operation of the U ball is ensured.

3. The special valve cover design, the ball shaft connection body and the valve rod and the upper shaft are separated, the valve rod and the ball groove are completely protected from being washed by process load and media, and the special valve cover is particularly suitable for heavy load and high frequency working conditions.

4. The upper and lower support shafts are protected by shaft sleeves and sealing rings to prevent materials from invading, protect the support shafts, the shaft sleeves and the filler from abrasion and ensure the rapid opening and closing, ultrahigh frequency and long-period stable operation of the valve.

5. The whole structure is novel, and the maintenance is convenient.

Since any modifications, equivalents, improvements, etc. made within the spirit and principles of the application may readily occur to those skilled in the art, it is intended to be included within the scope of the claims of this application.

Claims

1. The utility model provides a wear-resisting ball valve of upper assembling type, wear-resisting ball valve includes valve body (1), locates spheroid (2) and disk seat (5) on valve body (1), disk seat (5) butt joint spheroid (2) form sealedly, its characterized in that, the wear-resisting ball valve of upper assembling type, valve seat (5) butt joint spheroid (2)

A hollow opening (1a) is arranged at the upper part of the valve body (1), and a valve cover (9) is sleeved on the opening (1 a);

the opening (1a) is a hollow cylinder, and the upper part of the opening (1a) is hollow and is butted with a valve cover sleeve (91) at the bottom of the valve cover (9);

the diameter of the opening (1a) is equal to that of the valve cover (9), and the diameter of the opening (1a) is larger than that of the sphere (2).

2. The top loading wear resistant ball valve of claim 1, wherein: valve gap (9) bottom the sunken seal groove that has of valve gap cover (91) both sides, it has sealed pad (8) to fill in this seal groove.

3. The top loading wear resistant ball valve of claim 2, wherein: the above-mentioned

The section of the sealing gasket (8) is similar to a diamond shape, a stud (21) is further inserted between the valve cover (9) and the valve body (1), and a nut (22) is fixedly locked on the stud (21).

4. The top loading wear resistant ball valve of claim 1, wherein: the above-mentioned

A bearing (7) is fixed at the top of the ball body (2), and the bearing (7) is inserted into the valve cover sleeve (91);

the bottom of the ball body (2) is fixed with a bearing (3), and the bearing (3) is sleeved in a groove at the bottom of the valve body (1).

5. The top loading wear resistant ball valve of claim 4, wherein: the above-mentioned

A valve rod (10) is fixed on the top of the sphere (2);

packing (19, 20) for sealing is filled between the valve rod (10) and the cover sleeve (91);

a packing gland (11) is fixed on the cover sleeve (91) at the upper part of the packing (19, 20);

a packing pressure plate (12) is fixed on the packing gland (11).

6. The top loading wear resistant ball valve of claim 5, wherein: annular thrust pads (17, 18) are sleeved between the valve rod (10) and the cover sleeve (91).