CN209977339U

CN209977339U - Petroleum valve capable of preventing overpressure in pipe

Info

Publication number: CN209977339U
Application number: CN201920300560.7U
Authority: CN
Inventors: 戴义明; 戴京; 刘丽华
Original assignee: JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co Ltd
Current assignee: JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co Ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-01-21
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a can prevent oil valve of intraductal superpressure, the power distribution valve comprises a valve, the left and right sides lower extreme of valve all links to each other with first body and second body are fixed respectively through the flange, the valve all communicates each other with first body and second body, the inboard rigid coupling in upper end of third body has the second sealing washer, the second sealing washer is laminated with the thin pole of second mutually, the upper end of slider is equipped with the spring, the upper and lower both ends of spring link to each other with valve and slider are fixed respectively. This can prevent oil valve of intraductal superpressure through the cooperation between valve, block rubber, spheroid, bearing, pivot, carousel, cover block, first sealing washer and the shelves pole, has solved the inconvenient problem of understanding of the inside spheroidal open mode of valve and degree, through the cooperation between valve, piston, the thin pole of second, slider, the first body of spring, third body and the second body, has solved the problem that can't prevent intraductal pressure oversize.

Description

Petroleum valve capable of preventing overpressure in pipe

Technical Field

The utility model relates to the technical field of valves, specifically be a can prevent oil valve of intraductal superpressure.

Background

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is divided into a cast iron valve, a cast steel valve, a stainless steel valve, a chromium molybdenum vanadium steel valve, a dual-phase steel valve, a plastic valve, a nonstandard customized valve and the like according to the material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent oil valve of intraductal superpressure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a petroleum valve capable of preventing overpressure in a pipe comprises a valve, wherein the lower ends of the left side and the right side of the valve are fixedly connected with a first pipe body and a second pipe body respectively through flanges, the valve is communicated with the first pipe body and the second pipe body, the left side and the right side of the inner lower end of the valve are fixedly connected with rubber blocks, the inner sides of the rubber blocks are provided with balls, the balls are attached to the rubber blocks, a rotating shaft is fixedly connected to the inside of the balls, the outer walls of the upper end and the lower end below the rotating shaft are rotatably connected with the valve through sealing bearings, a rotating disc is fixedly connected to the upper end of the rotating shaft, a sleeve block is fixedly connected to the upper end of the outer wall of the rotating disc, a stop rod is fixedly connected to the right side of the center of the upper end of the valve, the sleeve block is in contact with a baffle plate, a first sealing ring is fixedly connected to the center of the upper end, control the third body all is linked together with the inside left and right sides of valve, the inside piston that is equipped with of lower extreme of third body, and piston and third body laminate mutually, the upper end of piston links to each other with the slider is fixed through the thin pole of second, and the equal clearance fit of the thin pole of second and slider and valve, the inboard rigid coupling in upper end of third body has the second sealing washer, the second sealing washer laminates mutually with the thin pole of second, the upper end of slider is equipped with the spring, the upper and lower both ends of spring link to each other with valve and slider are fixed respectively.

Preferably, the inside inboard of first body and second body all links to each other with first slender pole is fixed through the connecting rod, the equal rigid coupling in inboard of first slender pole has the filter screen, the equal rigid coupling in the inside left and right sides of lower extreme of valve has the backing ring, the backing ring laminates with the filter screen mutually.

Preferably, the outer wall of the rotating disc is sleeved with a rubber sleeve.

Preferably, a rubber pad is fixedly connected inside the right side of the sleeve block.

Preferably, a rubber ring is fixedly connected to the center of the interior of the piston.

Preferably, the outer wall of the valve is sprayed with antirust paint.

Compared with the prior art, the beneficial effects of the utility model are that: this can prevent oil valve of intraductal superpressure, through the valve, the block rubber, the spheroid, a bearing, the apparatus further comprises a rotating shaft, the carousel, the pocket, cooperation between first sealing washer and the shelves pole, make the intercommunication state that can realize the inside left and right sides of valve to rotate the carousel, observe the opening degree that the relative position of pocket and shelves pole can know spheroid department, the inconvenient problem of understanding of the inside spheroidal opening state of valve and degree has been solved, through the valve, a piston, the thin pole of second, a slide block, the first body of spring, cooperation between third body and the second body, can upwards promote the piston to carry out the pressure release through the third body when making the inside oil pressure increase of valve, the too big problem of intraductal pressure has been solved and can't be prevented.

Drawings

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

FIG. 2 is a schematic top view of the lever, shaft and sleeve of FIG. 1;

FIG. 3 is a schematic view of the valve, the lever and the shaft of FIG. 1;

fig. 4 is a schematic structural view of the valve, the slider and the third tube in fig. 1.

In the figure: 1. the valve comprises a valve body, 2, a sliding block, 3, a rubber ring, 4, a flange, 5, a first pipe body, 6, a connecting rod, 7, a filter screen, 8, a rubber block, 9, a ball body, 10, a sealing bearing, 11, antirust paint, 12, a backing ring, 13, a first thin rod, 14, a second pipe body, 15, a third pipe body, 16, a piston, 17, a second thin rod, 18, a spring, 19, a stop rod, 20, a rotating shaft, 21, a sleeve block, 22, a rubber pad, 23, a rotating disc, 24, a first sealing ring, 25, a rubber sleeve, 26 and a second sealing ring.

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 petroleum valve capable of preventing overpressure in a pipe comprises a valve 1, the lower ends of the left side and the right side of the valve 1 are respectively fixedly connected with a first pipe body 5 and a second pipe body 14 through flanges 4, the first pipe body 5 and the second pipe body 14 can be fixedly connected with the valve 1 through the flanges 4, the valve 1 and the first pipe body 5 and the second pipe body 14 are communicated with each other, the valve 1 can communicate the first pipe body 5 with the second pipe body 14, rubber blocks 8 are fixedly connected with the left side and the right side of the inner lower end of the valve 1, the valve 1 can support the rubber blocks 8, a ball body 9 is arranged on the inner side of each rubber block 8, the ball body 9 is attached to each rubber block 8, the ball body 9 can control the left-right communication state of the inner part of the valve 1, a rotating shaft 20 is fixedly connected to the inner part of the ball body 9, the rotating shaft 20 can drive the ball body 9 to rotate, the outer walls of the, the valve 1 can support a rotating shaft 20 through a sealing bearing 10, a rotating disc 23 is fixedly connected to the upper end of the rotating shaft 20, the rotating disc 23 can drive the rotating shaft 20 to rotate, a sleeve block 21 is fixedly connected to the upper end of the outer wall of the rotating disc 23, the rotating disc 23 can drive the sleeve block 21 to rotate, a stop rod 19 is fixedly connected to the right side of the upper end center of the valve 1, the valve 1 can support the stop rod 19, the sleeve block 21 is in contact with the stop rod 19, the rotation limit of the rotating shaft 20 can be limited through the position limitation between the sleeve block 21 and the stop rod 19 through the sleeve block 21, a first sealing ring 24 is fixedly connected to the upper end center inside the valve 1, the valve 1 can support the first sealing ring 24, the first sealing ring 24 is attached to the rotating shaft 20, the first sealing ring 24 can avoid the rotation of the rotating shaft 20 at ordinary times and can rotate only when the rotating shaft 20 receives external force, third pipe bodies 15 are fixedly connected to the inside the left side and the right side of the, the left and right third tube bodies 15 are communicated with the left and right sides of the interior of the valve 1, the first tube body 5 and the second tube body 14 can enter the interior of the left and right third tube bodies 15 through the interior of the valve 1, the third tube body 15 can be communicated with an external oil collecting part, a piston 16 is arranged in the lower end of the third tube body 15, the piston 16 is attached to the third tube body 15, the piston 16 can move in the third tube body 15 when being pressed, the piston 16 can maintain the relative sealing of the upper side and the lower side of the piston 16, the upper end of the piston 16 is fixedly connected with the sliding block 2 through a second thin rod 17, the piston 16 can drive the sliding block 2 to move through the second thin rod 17, the second thin rod 17 and the sliding block 2 are in clearance fit with the valve 1, the second thin rod 17 and the sliding block 2 can move in the interior of the valve 1, a second sealing ring 26 is fixedly connected to the inner side of the upper end of the third tube body 15, and the third tube body, the second sealing ring 26 is jointed with the second thin rod 17, so that the second thin rod 17 can move in the second sealing ring 26 when being stressed, the second thin rod 17 and the second sealing ring 26 are in a sealing state, the upper end of the sliding block 2 is provided with a spring 18, the elastic coefficient K of the spring 18 is 500N/m, the upper end and the lower end of the spring 18 are respectively fixedly connected with the valve 1 and the sliding block 2, the sliding block 2 moves upwards to pressurize the spring 18, the inner sides of the first pipe body 5 and the second pipe body 14 are fixedly connected with the first thin rod 13 through a connecting rod 6, the first pipe body 5 and the second pipe body 14 can support the first thin rod 13 through the connecting rod 6, the inner side of the first thin rod 13 is fixedly connected with a filter screen 7, the mesh number of the filter screen 7 is 50 meshes, the left side and the right side of the inner side of the lower end of the valve 1 are fixedly connected with backing rings 12, the valve 1 can support the backing rings 12, and the filter screen 7 are jointed, the extreme position of filter screen 7 can be restricted to backing ring 12, the outer wall of carousel 23 has cup jointed rubber sleeve 25, slip appears when carousel 23 can be avoided to rubber sleeve 25 to rotate, the inside rigid coupling in right side of collets 21 has rubber pad 22, rubber pad 22 can avoid collets 21 and shelves pole 19 to receive the injury, the inside center rigid coupling of piston 16 has rubber circle 3, the canned type of rubber circle 3 multiplicable piston 16 and third body 15, the outer wall spraying of valve 1 has anti-rust paint 11, the main film forming material of anti-rust paint 11 is polyurethane resin.

When the oil valve capable of preventing overpressure in the pipe is needed to be used, the first pipe body 5 and the second pipe body 14 can be firstly installed below the left end and the right end of the valve 1 through the flange 4, meanwhile, the first pipe body 5 and the second pipe body 14 can drive the filter screen 7 to move through the connecting rod 6 and the first thin rod 13, so that the filter screen 7 is just contacted with the backing ring 12, after the inside of the first pipe body 5, the second pipe body 14 and the valve 1 is used for oil transportation, the rotary disc 23 is rotated, the ball body 9 can be driven to rotate through the rotating shaft 20, the groove of the ball body 9 can be communicated with the left side and the right side of the inner lower end of the valve 1, the opening state of the ball body can be known through the matching between the stop rod 19 and the sleeve block 21, if the ball body 9 is blocked or is not opened in time, the internal oil pressure of the valve 1 is likely to increase, so that the oil, meanwhile, the piston 16 drives the sliding block 2 to move upwards through the second thin rod 17, the spring 18 is extruded, high-pressure petroleum on the left side and the right side inside the valve 1 can be discharged to an external collection position through the third pipe body 15, and after the pressure of the petroleum inside the valve 1 is recovered, the piston 16 can be restored by the elastic force of the spring 18.

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. A petroleum valve capable of preventing overpressure in a pipe, comprising a valve (1), characterized in that: the lower ends of the left side and the right side of the valve (1) are fixedly connected with a first pipe body (5) and a second pipe body (14) respectively through flanges (4), the valve (1) is mutually communicated with the first pipe body (5) and the second pipe body (14), the left side and the right side of the inner lower end of the valve (1) are fixedly connected with rubber blocks (8), the inner side of each rubber block (8) is provided with a ball body (9), the ball bodies (9) are attached to the rubber blocks (8), the inner portion of each ball body (9) is fixedly connected with a rotating shaft (20), the outer walls of the upper end and the lower end of the lower portion of the rotating shaft (20) are rotatably connected with the valve (1) through sealing bearings (10), the upper end of the rotating shaft (20) is fixedly connected with a turntable (23), the upper end of the outer wall of the turntable (23) is fixedly connected with a sleeve block (21), the right side of the center of the upper end of the valve (1) is provided with a fixedly, the valve is characterized in that a first sealing ring (24) is fixedly connected to the center of the upper end of the interior of the valve (1), the first sealing ring (24) is attached to a rotating shaft (20), a third pipe body (15) is fixedly connected to the interior of the left side and the interior of the right side of the valve (1), the third pipe body (15) is communicated with the left side and the interior of the valve (1), a piston (16) is arranged inside the lower end of the third pipe body (15), the piston (16) is attached to the third pipe body (15), the upper end of the piston (16) is fixedly connected with a sliding block (2) through a second thin rod (17), the second thin rod (17) and the sliding block (2) are in clearance fit with the valve (1), a second sealing ring (26) is fixedly connected to the inner side of the upper end of the third pipe body (15), the second sealing ring (26) is attached to the second thin rod (17), and a spring (18) is arranged at the upper end of the sliding block, the upper end and the lower end of the spring (18) are respectively fixedly connected with the valve (1) and the sliding block (2).

2. A petroleum valve as defined in claim 1, wherein said valve is adapted to prevent overpressure in said pipe, said valve further comprising: the inside inboard of first body (5) and second body (14) all links to each other with first thin pole (13) are fixed through connecting rod (6), the equal rigid coupling in inboard of first thin pole (13) has filter screen (7), the equal rigid coupling in the inside left and right sides of lower extreme of valve (1) has backing ring (12), backing ring (12) and filter screen (7) are laminated mutually.

3. A petroleum valve as defined in claim 1, wherein said valve is adapted to prevent overpressure in said pipe, said valve further comprising: the outer wall of the rotating disc (23) is sleeved with a rubber sleeve (25).

4. A petroleum valve as defined in claim 1, wherein said valve is adapted to prevent overpressure in said pipe, said valve further comprising: a rubber pad (22) is fixedly connected with the inner part of the right side of the sleeve block (21).

5. A petroleum valve as defined in claim 1, wherein said valve is adapted to prevent overpressure in said pipe, said valve further comprising: the center of the interior of the piston (16) is fixedly connected with a rubber ring (3).

6. A petroleum valve as defined in claim 1, wherein said valve is adapted to prevent overpressure in said pipe, said valve further comprising: the outer wall of the valve (1) is sprayed with antirust paint (11).