CN211852880U

CN211852880U - Two-piece type fireproof ball valve

Info

Publication number: CN211852880U
Application number: CN202020422823.4U
Authority: CN
Inventors: 马志勇; 姜鸥; 杜平平
Original assignee: Dalian Pinguan High And Medium Pressure Special Valve Co ltd
Current assignee: Dalian Pinguan High And Medium Pressure Special Valve Co ltd
Priority date: 2020-03-29
Filing date: 2020-03-29
Publication date: 2020-11-03
Anticipated expiration: 2030-03-29

Abstract

The utility model discloses a two formula fire prevention type ball valves, including valve body, sealing line and valve gap, the left end of valve body passes through the sealing line and links to each other with the valve gap is fixed, the sealing washer is installed at the inner wall below center of valve body, the outer wall of valve rod and the inboard packing of valve body have a plurality of packings, packing and valve body, gland and valve rod closely laminate, the upper end and the handle clearance fit of valve rod, the outer wall top screw of valve rod links to each other there is the nut. This two formula fire prevention type ball valves, structure scientific and reasonable, convenience safe in utilization is provided with valve gap, seal line, sealing washer, spheroid, valve body, valve rod, packing, gland, handle, the cooperation between spring washer and the nut, and at the in-process of opening or closing, spheroid and sealing washer adopt hard seal installation mode to use, have avoided prior art seal assembly such as inside rubber under the conflagration high temperature condition to receive the problem that the influence leads to having the potential safety hazard easily.

Description

Two-piece type fireproof ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a two formula fire prevention type ball valves.

Background

The ball valve, the opening and closing piece is driven by the valve rod, and the valve which rotates around the axis of the ball valve can also be used for adjusting and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the surfacing hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.

Although the ball valve in the prior art can be used, the ball valve in the prior art has the problem that the sealing components such as rubber in the interior are influenced under the condition of high temperature in fire, so that potential safety hazards are easy to exist

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two formula fire prevention type ball valves to there is the problem that sealing assembly such as inside rubber receives the influence and leads to having the potential safety hazard easily under the conflagration high temperature condition in the ball valve that provides among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two formula fire prevention type ball valve, includes valve body, sealing line and valve gap, the left end of valve body passes through sealing line and valve gap fixed the linking to each other, the sealing washer is installed at the inner wall below center of valve body, the inboard sealed laminating of rotating of sealing washer has the spheroid, spheroidal upper end rigid coupling has the valve rod, the outer wall of valve rod and the inboard packing of valve body have a plurality of packings, gland is installed to the top of valve body, packing and valve body, gland and the valve rod closely laminate, the upper end and the handle clearance fit of valve rod, the outer wall top screw thread of valve rod links to each other there is the nut.

Preferably, the right side of the outer wall of the handle is provided with an anti-slip sleeve.

Preferably, the nut and the handle are tightly attached to the spring washer.

Preferably, the packing gland and the valve body are connected and matched through threads.

Preferably, the size of the through hole of the ball body is consistent with the size of the internal through holes of the valve cover and the valve body.

Compared with the prior art, the beneficial effects of the utility model are that: this two formula fire prevention type ball valves, structure scientific and reasonable, convenience safe in utilization:

the novel fire-fighting valve is provided with a valve cover, a sealing line, a sealing ring, a ball body, a valve rod, a gasket, a filler, a packing gland, a handle, a spring gasket and a nut, so that a medium enters from the left or the right in the using process, the handle can be operated by a user to rotate so as to drive the ball body to rotate, the ball body is rotated to realize opening and closing, the ball body and the sealing ring are used in a hard sealing installation mode in the opening or closing process, and the problem that the potential safety hazard is easily caused due to the fact that sealing components such as rubber in the interior of the prior art under the high-temperature condition.

Drawings

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

FIG. 2 is a schematic view of the valve body, handle and spring washer of FIG. 1;

FIG. 3 is a schematic diagram of the valve cover, packing and packing gland of FIG. 1;

fig. 4 is a schematic structural view of the valve cover, the sealing line and the sealing ring in fig. 1.

In the figure: 1. valve gap, 2, sealing line, 3, sealing washer, 4, spheroid, 5, valve body, 6, valve rod, 7, packing ring, 8, packing, 9, packing gland, 10, handle, 11, spring washer, 12, nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a two-piece fireproof ball valve comprises a valve body 5, a sealing line 2 and a valve cover 1, wherein the left end of the valve body 5 is fixedly connected with the valve cover 1 through the sealing line 2, the sealing line 2 can seal the joint between the valve cover 1 and the valve body 5, a sealing ring 3 is installed at the center of the lower portion of the inner wall of the valve body 5 and the valve cover 1, a ball body 4 is attached to the inner side of the sealing ring 3 in a sealing and rotating mode, the sealing ring 3 is installed between the ball body 4 and the valve body 3 in a hard sealing mode, the sealing ring 3 can support the ball body 4 in a rotating mode and guarantee sealing in the rotating process, a valve rod 6 is fixedly connected to the upper end of the ball body 4, the valve rod 6 can drive the ball body 4 to move, a plurality of fillers 8 are filled on the outer wall of the valve rod 6 and the inner side of the valve body 5, the position of the seasonings 8 is, The packing gland 9 and the valve rod 6 realize the extrusion of the seasoning 8 to realize sealing, the upper end of the valve rod 6 is in clearance fit with the handle 10, the handle 10 can move on the outer wall of the valve rod 10, the upper part of the outer wall of the valve rod 6 is connected with the nut 12 by screw thread, can realize the friction of handle 10 and valve rod 10 through screwing up nut 12 and fix, the antiskid cover is installed on the outer wall right side of handle 10, the antiskid cover can be avoided handle 10 to slide when rotating, nut 12 and handle 10 all closely laminate with spring washer 11, spring washer 11 multiplicable nut 12 is to the clamp force of handle 10, gland 9 and valve body 5 pass through the continuous cooperation installation of screw thread, make and conveniently install or dismantle between gland 9 and the valve body 5, the through-hole size of spheroid 4 is unanimous with the inside through-hole size of valve gap 1 and valve body 5, guarantee spheroid 4, the liquid mobility of valve gap 1 and valve body 5 is stable.

When the two-piece fireproof ball valve is required to be used, firstly, a user can install the ball body 4 which is tightly sealed and attached with the sealing ring 3 from the left side to the right side of the valve body 5, then fixedly install the valve cover 1 with the sealing line 2 at the left end of the valve body 5, so that the sealing line 2 can realize the sealing of the joint of the valve body 5 and the valve cover 1, then, the user can install the valve rod 6 downwards from the upper center of the valve body 5, simultaneously fill the packing 8 in the inner parts of the valve rod 6 and the valve body 5, rotatably install the packing gland 9 above the valve body 5, enable the packing gland 9 to move downwards to be installed, realize the extrusion of the packing 8, so as to ensure the sealing of the packing 8, the valve body 5, the packing gland 9 and the valve rod 6, finally, install the handle 10 above the outer wall of the valve rod 6, and place the elastic gasket 11 to screw the nut 12 so as to realize the installation and fixation, with this equipment of realizing this ball valve, at the in-process of using, the medium advances from a left side or right side, just drives spheroid 4 through handle 10 rotation and rotates, and spheroid 4 rotates and just realizes opening and closing of this valve, because sealed adoption between spheroid 4 and the sealing washer 3 is sealed firmly, has avoided prior art to receive the problem that influences and lead to having the potential safety hazard easily under the conflagration high temperature condition sealing components such as inside rubber.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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 present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two formula fire prevention type ball valves, includes valve body (5), sealing line (2) and valve gap (1), the left end of valve body (5) is fixed continuous its characterized in that through sealing line (2) and valve gap (1): sealing washer (3) are installed at the inner wall below center of valve body (5) and valve gap (1), the sealed rotation laminating in inboard of sealing washer (3) has spheroid (4), the upper end rigid coupling of spheroid (4) has valve rod (6), the outer wall of valve rod (6) and the inboard packing of valve body (5) have a plurality of packing (8), gland (9) are installed to the top of valve body (5), packing (8) and valve body (5), gland (9) and valve rod (6) closely laminate, the upper end and handle (10) clearance fit of valve rod (6), the outer wall top screw thread of valve rod (6) links to each other there is nut (12).

2. A two-piece fire resistant ball valve according to claim 1, wherein: and an anti-slip sleeve is arranged on the right side of the outer wall of the handle (10).

3. A two-piece fire resistant ball valve according to claim 1, wherein: the nut (12) and the handle (10) are tightly attached to the spring washer (11).

4. A two-piece fire resistant ball valve according to claim 1, wherein: the packing gland (9) and the valve body (5) are connected and installed in a matched mode through threads.

5. A two-piece fire resistant ball valve according to claim 1, wherein: the size of the through hole of the ball body (4) is consistent with the size of the internal through holes of the valve cover (1) and the valve body (5).