阅读说明：本技术 一种二片式防火型球阀 (Two-piece type fireproof ball valve ) 是由 李红红 于 2020-07-03 设计创作，主要内容包括：本发明公开了一种二片式防火型球阀,包括阀体阀球,所述阀体的内部中间安装有阀球,所述阀球的外壁与阀体的内壁紧密贴合,所述阀体的上方安装有转动装置。该二片式防火型球阀,通过连接管、防腐层、防火层、圆盘和阀体等结构之间的相互配合,可以通过防火层和防腐层提高连接管的耐高温性能和防腐蚀性能,从而增加了连接管的使用寿命,通过竖杆、圆盘、连杆、竖板和弧形凹板等结构之间的相互配合,可以通过竖和圆盘对连接管的位置进行限制,从而防止了此装置经过长时间使用连接管发生松动。(The invention discloses a two-piece fireproof ball valve which comprises a valve body and a valve ball, wherein the valve ball is arranged in the middle of the inside of the valve body, the outer wall of the valve ball is tightly attached to the inner wall of the valve body, and a rotating device is arranged above the valve body. This two formula fire prevention type ball valves, through the connecting pipe, the anticorrosive coating, the flame retardant coating, mutually support between disc and the valve body isotructure, can improve the high temperature resistance and the corrosion resisting property of connecting pipe through flame retardant coating and anticorrosive coating, thereby the life of connecting pipe has been increased, through the montant, the disc, the connecting rod, mutually support between riser and the arc concave plate isotructure, can restrict the position of connecting pipe through erecting and disc, thereby prevented this device from taking place not hard up through using the connecting pipe for a long time.)

1. The utility model provides a two formula fire prevention type ball valves, includes valve body (1) valve ball (2), install valve ball (2) in the middle of the inside of valve body (1), the outer wall of valve ball (2) closely laminates its characterized in that with the inner wall of valve body (1): a rotating device (3) is arranged above the valve body (1);

the rotating device (3) comprises a valve cover (301), a valve rod (302), a handle (303) and a rubber sleeve (304);

valve gap (301) is located the top of valve body (1), outer wall is fixed continuous in the middle of the lower surface of valve gap (301) and the upper surface of valve body (1), the internally mounted of valve gap (301) has valve rod (302), the outer wall of valve rod (302) rotates with the inner wall of valve gap (301) and links to each other, the below outer wall of valve rod (302) runs through the top outer wall of valve body (1), the below outer wall of valve rod (302) and the opening part inner wall clearance fit of valve body (1), the below of valve rod (302) is fixed continuous with the top of ball valve (2), handle (303) is installed to the top of valve rod (302), handle (303) link to each other through the internal thread of bolt with valve rod (302), the right side outer wall rigid coupling of handle (303) has rubber sleeve (304).

2. A two-piece fire resistant ball valve according to claim 1, wherein: the outer wall of the rubber sleeve (304) is machined with friction grains.

3. A two-piece fire resistant ball valve according to claim 1, wherein: the middle point of the valve rod (302) and the middle point of the valve ball (2) are on the same horizontal line.

4. A two-piece fire resistant ball valve according to claim 1, wherein: the left side and the right side of the valve body (1) are provided with protective devices (4);

the protective device (4) comprises a connecting pipe (401), a fireproof layer (402), an anticorrosive layer (403), a disc (404), a vertical rod (405), a connecting rod (406) and a vertical plate (407);

the left and right connecting pipes (401) are positioned inside the valve body (1), the outer wall of the inner side of each connecting pipe (401) is fixedly connected with the inner wall of the valve body (1), the outer side wall of the connecting pipe (401) is bonded with a fireproof layer (402), the middle outer wall of the connecting pipe (401) is fixedly connected with a disc (404), grooves are respectively arranged in the upper side and the lower side of the disc (404), an anti-corrosion layer (403) is bonded on the inner wall of the connecting pipe (401), a vertical rod (405) is arranged in the groove of the disc (404), the outer wall of the inner side of the vertical rod (405) is in clearance fit with the inner wall of the groove of the disc (404), the middle of the front end surface of the vertical rod (405) is movably connected with a connecting rod (406) through a pin shaft, the inner side of the vertical rod (405) is provided with a vertical plate (407), the inner side of the vertical plate (407) is fixedly connected with the outer wall of the valve body (1), the outer side of the front end face of the vertical plate (407) is movably connected with the connecting rod (406) through a pin shaft.

5. The two-piece fire-resistant ball valve according to claim 4, wherein: the grooves of the upper and lower disks (404) are on the same vertical line.

6. The two-piece fire-resistant ball valve according to claim 4, wherein: the thickness of the fire-proof layer (402) is the same as that of the anti-corrosion layer (403).

7. The two-piece fire-resistant ball valve according to claim 4, wherein: the outer side of the vertical rod (405) is provided with a lifting device (5);

the lifting device (5) comprises an arc concave plate (501), an arc block (502), a sleeve (503), a threaded rod (504), a square block (505), a trapezoidal plate (506) and a handle (507);

the inner side outer walls of the upper arc-shaped concave plate and the lower arc-shaped concave plate (501) are fixedly connected with the outer wall of the vertical rod (405), the groove of the arc-shaped concave plate (501) is rotationally connected with an arc-shaped block (502) through a rotating shaft, a sleeve (503) is fixedly connected to the inner side of the arc-shaped block (502), a threaded rod (504) is installed inside the sleeve (503), the outer wall of the threaded rod (504) is in threaded fit with the inner part of the sleeve (503), a square block (505) is arranged on the outer side of the sleeve (503), the inner part of the square block (505) is rotationally connected with the outer wall of the threaded rod (504), the inner side outer wall of the square block (505) is fixedly connected with a trapezoidal plate (506), the inner side outer wall of the trapezoidal plate (506) is fixedly connected with the outer wall of the valve body (1), the outer side of the trapezoidal plate (506) is provided with a handle (507), and the outer wall of the inner side of the handle (507) is fixedly connected with the outer wall of the threaded rod (504).

8. A two-piece fire resistant ball valve according to claim 7, wherein: the trapezoidal plate (507) is perpendicular to the valve body (1).

9. A two-piece fire resistant ball valve according to claim 7, wherein: the width dimension of the trapezoidal plate (506) is smaller than that of the outer wall of the valve body (1).

Technical Field

The invention relates to the technical field of ball valves, in particular to a two-piece fireproof ball valve.

Background

The ball valve is a novel valve which is widely adopted in recent years and has the following advantages: the fluid resistance is little, its coefficient of resistance equals with the pipeline section of length, moreover, the steam generator is simple in structure, small in size, light in weight, it is inseparable reliable, the sealed face material of present ball valve uses plastics extensively, the leakproofness is good, also used extensively in vacuum system, high durability and convenient operation, the switching is rapid, from full-open to full-close as long as rotatory 90, the remote control of being convenient for, easy maintenance, ball valve simple structure, the sealing washer is general all movable, it is all more convenient to dismantle the change, and the connecting pipe department material of ball valve is too single among the prior art, and the effect of fire prevention, and ball valve is also not good with being connected the being connected of water pipe among the prior art, can take place to become flexible and cause to leak through.

Disclosure of Invention

The invention aims to provide a two-piece fireproof ball valve to solve the problems that the material of a connecting pipe of the ball valve in the prior art is too single and the fireproof effect is not achieved in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a two-piece fireproof ball valve comprises a valve body and a valve ball, wherein the valve ball is arranged in the middle of the inside of the valve body, the outer wall of the valve ball is tightly attached to the inner wall of the valve body, and a rotating device is arranged above the valve body;

the rotating device comprises a valve cover, a valve rod, a handle and a rubber sleeve;

the valve gap is located the top of valve body, the outer wall is fixed continuous in the middle of the lower surface of valve gap and the upper surface of valve body, the internally mounted of valve gap has the valve rod, the outer wall of valve rod rotates with the inner wall of valve gap and links to each other, the below outer wall of valve rod runs through the top outer wall of valve body, the below outer wall of valve rod and the opening part inner wall clearance fit of valve body, the below of valve rod and the top of ball valve are fixed and link to each other, the handle is installed to the top of valve rod, the handle passes through the internal thread of bolt and valve rod and links to each other, the right side outer wall rigid coupling.

Preferably, the outer wall of the rubber sleeve is processed with friction grains.

Preferably, the midpoint of the valve stem is on the same horizontal line as the midpoint of the valve ball.

Preferably, the left side and the right side of the valve body are provided with a protection device;

the protective device comprises a connecting pipe, a fireproof layer, an anticorrosive layer, a disc, a vertical rod, a connecting rod and a vertical plate;

control the connecting pipe is located the inside of valve body, the inboard outer wall of connecting pipe links to each other with the inner wall of valve body is fixed, the outside outer wall bonding of connecting pipe has the flame retardant coating, the middle outer wall rigid coupling of connecting pipe has the disc, the upper and lower both sides of disc are inside all seted up flutedly, the inner wall bonding of connecting pipe has the anticorrosive coating, the groove inside mounting of disc has the montant, the inboard outer wall of montant and the groove inner wall clearance fit of disc, there is the connecting rod through round pin axle swing joint in the middle of the preceding terminal surface of montant, the inboard of montant is equipped with the riser, the inboard of riser links to each other with the outer wall of valve body is fixed, the preceding terminal surface outside of riser.

Preferably, the grooves of the upper and lower disks are on the same vertical line.

Preferably, the fire-proof layer and the anticorrosive layer have the same thickness.

Preferably, the outer side of the vertical rod is provided with a lifting device;

the lifting device comprises an arc-shaped concave plate, an arc-shaped block, a sleeve, a threaded rod, a square block, a trapezoidal plate and a handle;

from top to bottom the inboard outer wall of arc concave plate links to each other with the outer wall of montant is fixed, the groove of arc concave plate rotates through the pivot and is connected with the arc piece, the inboard rigid coupling of arc piece has the sleeve, telescopic internally mounted has the threaded rod, the outer wall and the telescopic inside screw-thread fit of threaded rod, the telescopic outside is equipped with square piece, the inside of square piece is rotated with the outer wall of threaded rod and is linked to each other, the inboard outer wall rigid coupling of square piece has trapezoidal plate, the inboard outer wall of trapezoidal plate links to each other with the outer wall of valve body is fixed, the outside of trapezoidal plate is equipped with the handle, the inboard outer wall of handle links to each other with the outer wall of threaded rod is.

Preferably, the trapezoidal plate and the valve body are arranged vertically.

Preferably, the width dimension of the trapezoidal plate is smaller than the width dimension of the valve body at the outer wall.

Compared with the prior art, the invention has the beneficial effects that:

this two formula fire prevention type ball valves through mutually supporting between structures such as connecting pipe, anticorrosive coating, flame retardant coating, disc and valve body, can improve the high temperature resistance and the corrosion resisting property of connecting pipe through flame retardant coating and anticorrosive coating to the life of connecting pipe has been increased.

This two formula fire prevention type ball valves through mutually supporting between structures such as handle, rubber sleeve, valve rod, valve ball and valve body, can make operating personnel rotate the handle more easily through the rubber sleeve to the performance of this device has been improved.

This two formula fire prevention type ball valves through mutually supporting between structures such as montant, disc, connecting rod, riser and arc concave plate, can restrict the position of connecting pipe through perpendicular and disc to it is not hard up to have prevented that this device from taking place through using the connecting pipe for a long time.

This two formula fire prevention type ball valves through mutually supporting between structures such as handle, threaded rod, square piece, trapezoidal plate, sleeve and arc piece, can drive the threaded rod through the handle and rotate, and the threaded rod drives the arc piece through the sleeve and removes, and the arc piece drives the montant through the arc concave plate and removes to make the montant support tightly to the disc.

Drawings

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

FIG. 2 is a schematic view of the handle, valve stem and valve cover of FIG. 1;

FIG. 3 is a schematic structural diagram of the valve body, the connecting pipe and the anticorrosive coating in FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 1 at the riser, vertical bar and riser;

FIG. 5 is a schematic view of the sleeve, arcuate segments and connecting rod of FIG. 1;

fig. 6 is a schematic view of the handle, threaded rod and curved recess plate of fig. 1.

In the figure: 1. valve body, 2, valve ball, 3, rotating device, 301, valve gap, 302, valve rod, 303, handle, 304, rubber sleeve, 4, protector, 401, connecting pipe, 402, flame retardant coating, 403, anticorrosive coating, 404, disc, 405, montant, 406, connecting rod, 407, riser, 5, elevating gear, 501, arc concave plate, 502, arc piece, 503, sleeve, 504, threaded rod, 505, square piece, 506, trapezoidal plate, 507, handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: