CN217502648U

CN217502648U - Ball valve for natural gas conveying pipeline

Info

Publication number: CN217502648U
Application number: CN202220959233.4U
Authority: CN
Inventors: 李增林; 吕洪亮
Original assignee: Chongqing Litesheng Valve Co ltd
Current assignee: Chongqing Litesheng Valve Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-27
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a ball valve that natural gas transmission line used, including valve body, spheroid, fixed block and mounting panel, a spring is installed to the inner wall of fixed block, the restriction pole is installed to the one end of a spring, the movable block is installed to the inner wall of bull stick, No. two springs are installed to the inner wall of movable block, the kelly is installed to the one end of No. two springs, the tightening rod is installed at the top of movable block. The utility model discloses an install the movable block, kelly and restriction pole, when needing the rotary ball body, the movable block is pressed to slot one side by the pole of screwing, the restriction pole is removed by the kelly extrusion, in the kelly embedding slot, can rotatory tight pole of screwing this moment, it is rotatory that the pole of screwing is rotatory to drive the spheroid, thereby accomplish opening and close of valve body, can directly extract the pole of screwing after accomplishing to open and close, this structure makes the bull stick no longer can rotate easily, can only imbed the tight pole of screwing completely and just can drive the spheroid rotation, make the spheroid can not take place unexpected opening, the effect of opening and close of valve body has been improved.

Description

Ball valve for natural gas conveying pipeline

Technical Field

The utility model relates to a ball valve technical field specifically is a ball valve that natural gas conveying pipeline used.

Background

The ball valve is a valve whose opening and closing piece is driven by valve rod and can make rotary motion around the axis of ball valve, and can be used for regulating and controlling fluid, and the ball valve can be divided into pneumatic ball valve, electric ball valve and manual ball valve according to driving mode, and the multi-way ball valve not only can flexibly control the confluence, diversion and flow direction switching of medium, but also can close any channel to make another two channels connected.

The existing ball valve has the defects that:

patent document CN213017834U discloses a ball valve that natural gas pipeline used, right item "of protection includes the valve body, the inboard of valve body is equipped with the spheroid, the symmetry is equipped with the draw-in groove side by side on the spheroidal outer wall, the disk seat is installed to spheroidal bilateral symmetry, every the disk seat is close to spheroidal one side equal symmetry and installs fixture block and arc pretension piece, every the fixture block all is connected with the draw-in groove joint, and every the fixture block is kept away from on the one end outer wall of fixture block all fixed parcel has sealed lug, every sealed lug all links to each other through the inner wall of elastic component with the valve body, every elastic component all includes first elastic gasket and second elastic gasket, every first elastic gasket all is through belleville spring and second elastic gasket fixed connection. The utility model discloses a block and belleville spring are in advance tightened to fixture block, draw-in groove, arc, have realized sealed, and are sealed effectual, and have reduced the friction between spheroid and the disk seat, have prolonged life ". However, the valve body is easy to be touched by mistake to rotate the ball body, so that a structure for preventing the ball body from being touched by mistake is needed to ensure the correct rotation of the ball body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve that natural gas transmission pipeline used to the spheroid that provides easily mistake among the above-mentioned background art of solution touches rotatory problem.

In order to achieve the above object, the utility model provides a following technical scheme: a ball valve for a natural gas conveying pipeline comprises a valve body, a ball body, a fixing block and a mounting plate, wherein the fixing block is mounted at the top of the valve body;

the top of the ball body is provided with a rotating rod, one end of the rotating rod extends out of the top of the fixed block, the inner wall of the fixed block is provided with a first spring, one end of the first spring is provided with a limiting rod, the outer wall of the rotating rod is provided with a slot, the inner wall of the rotating rod is provided with a moving block, the inner wall of the moving block is provided with a second spring, one end of the second spring is provided with a clamping rod, and the top of the moving block is provided with a tightening rod;

and the outer wall of the valve body is provided with a mounting plate.

Preferably, the inner wall of the valve body is provided with a ball.

Preferably, the inner wall of the mounting plate is provided with an air bag.

Preferably, the outer wall of the air bag is provided with an air pipe, and one end of the air pipe is provided with a sensor.

Preferably, the outer wall of the mounting plate is provided with an internal thread block, and the outer wall of the internal thread block is provided with a warning lamp.

Preferably, the cavity is installed to the inner wall of mounting panel, and No. three springs are installed to the inner wall of cavity.

Preferably, the piston is installed to the inner wall of cavity, and the outer wall of piston is connected with the one end of No. three springs, and the threaded rod is installed to the inner wall of internal thread piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the moving block, the clamping rod and the limiting rod, when the ball body needs to be rotated, the screwing rod is pressed, so that the moving block is pressed to one side of the slot by the screwing rod, at the moment, the second spring ejects the clamping rod, the clamping rod moves to be contacted with the limiting rod, the limiting rod is extruded and moved by the clamping rod, the limiting rod does not limit the rotation of the rotating rod any more, and the clamping rod is embedded into the slot, at the moment, the screwing rod rotates to drive the moving block to rotate, the moving block rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the ball body to rotate, thereby completing the opening and closing of the valve body, the screwing rod can be directly extracted after the opening and closing is completed, the first spring reinserts the limiting rod into the slot, the rotation of the rotating rod is limited, the structure ensures that the rotating rod can not rotate easily any more, the ball body can be driven to rotate only by being completely embedded into the screwing rod, and the ball body can not be opened accidentally, the opening and closing effect of the valve body is improved;

2. the utility model discloses an install the piston, gasbag and cavity, insert the mounting panel with the gas pipe in, the threaded rod is rotated this moment, the threaded rod is rotatory on the internal thread piece and is advanced, make the piston moved by the threaded rod extrusion, the piston removes in filling the gasbag with the gas of cavity, the sensor detects the pressure of gasbag, when pressure is suitable, the warning light is lighted, in order to ensure that the gasbag heaves with the outer wall laminating of gas pipe, No. three springs can recover the piston, this structure makes this valve body when connecting the gas pipe of pipe diameter difference, it is better all to ensure its leakproofness, and the practicality is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front structural view of the present invention;

fig. 3 is a schematic view of the structure of the fixing block of the present invention;

fig. 4 is a schematic structural view of the moving block of the present invention;

fig. 5 is a schematic view of the mounting plate structure of the present invention.

In the figure: 1. a valve body; 101. a sphere; 2. a fixed block; 201. a rotating rod; 202. a first spring; 203. a restraining bar; 204. a slot; 205. a moving block; 206. a second spring; 207. a clamping rod; 208. screwing the rod; 3. mounting a plate; 301. an air bag; 4. an air tube; 401. a sensor; 5. an internal thread block; 501. a warning light; 6. a cavity; 601. a third spring; 7. a piston; 701. a threaded rod.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 to 5, a ball valve for a natural gas pipeline includes a valve body 1, a ball body 101, a fixing block 2 and a mounting plate 3, wherein the ball body 101 is mounted on the inner wall of the valve body 1, and the effect of opening and closing the valve body 1 is achieved by rotating the angle of a through hole on the ball body 101;

the top of the valve body 1 is provided with a fixed block 2, the top of the sphere 101 is provided with a rotating rod 201, one end of the rotating rod 201 extends out of the top of the fixed block 2, the inner wall of the fixed block 2 is provided with a first spring 202, one end of the first spring 202 is provided with a limiting rod 203, the outer wall of the rotating rod 201 is provided with a slot 204, the inner wall of the rotating rod 201 is provided with a moving block 205, the inner wall of the moving block 205 is provided with a second spring 206, one end of the second spring 206 is provided with a clamping rod 207, the top of the moving block 205 is provided with a tightening rod 208, when the sphere 101 needs to be rotated, the tightening rod 208 is pressed, the moving block 205 is pressed to one side of the slot 204 by the tightening rod 208, at the moment, the clamping rod 207 is popped out by the second spring 206, the clamping rod 207 moves to be in contact with the limiting rod 203, so that the limiting rod 203 is extruded and moves by the clamping rod 207, so that the limiting rod 203 does not limit the rotation of the rotating rod 201, and the clamping rod 207 is embedded into the slot 204, at the tightening rod 208 can be rotated, the screwing rod 208 rotates to drive the moving block 205 to rotate, the moving block 205 rotates to drive the rotating rod 201 to rotate, the rotating rod 201 rotates to drive the ball body 101 to rotate, so that the valve body 1 is opened and closed, the screwing rod 208 can be directly pulled out after the opening and closing are completed, the first spring 202 enables the limiting rod 203 to be inserted into the slot 204 again, the rotation of the rotating rod 201 is limited, the rotating rod 201 can not easily rotate any more due to the structure, the ball body 101 can be driven to rotate only by being completely embedded into the screwing rod 208, the ball body 101 cannot be opened accidentally, and the opening and closing effect of the valve body 1 is improved;

the outer wall of the valve body 1 is provided with a mounting plate 3, the inner wall of the mounting plate 3 is provided with an air bag 301, the outer wall of the air bag 301 is provided with an air pipe 4, one end of the air pipe 4 is provided with a sensor 401, the outer wall of the mounting plate 3 is provided with an inner thread block 5, the outer wall of the inner thread block 5 is provided with a warning lamp 501, the inner wall of the mounting plate 3 is provided with a cavity 6, the inner wall of the cavity 6 is provided with a third spring 601, the inner wall of the cavity 6 is provided with a piston 7, the outer wall of the piston 7 is connected with one end of the third spring 601, the inner wall of the inner thread block 5 is provided with a threaded rod 701, the gas pipe is inserted into the mounting plate 3, at the moment, the threaded rod 701 is rotated and moves forwards on the inner thread block 5, so that the piston 7 is extruded and moved by the threaded rod 701, the piston 7 moves to fill the gas in the cavity 6 into the air bag 301, the sensor 401 detects the pressure of the air bag 301, and the warning lamp 501 lights when the pressure is proper, in order to ensure that gasbag 301 swells and the outer wall laminating of gas pipe, No. three spring 601 can recover piston 7, and this structure makes this valve body 1 when connecting the different gas pipes of pipe diameter, all can ensure that its leakproofness is better, has improved the practicality.

In the working principle, when the sphere 101 needs to be rotated, the screwing rod 208 is pressed, so that the moving block 205 is pressed to one side of the slot 204 by the screwing rod 208, at the moment, the second spring 206 ejects the clamping rod 207, the clamping rod 207 moves to contact with the limiting rod 203, the limiting rod 203 is extruded and moves by the clamping rod 207, so that the limiting rod 203 does not limit the rotation of the rotating rod 201 any more, the clamping rod 207 is embedded into the slot 204, at the moment, the screwing rod 208 rotates, the clamping rod 208 drives the moving block 205 to rotate, the moving block 205 rotates to drive the rotating rod 201 to rotate, the rotating rod 201 rotates to drive the sphere 101 to rotate, so that the valve body 1 is opened and closed, the screwing rod 208 can be directly pulled out after the opening and closing are completed, the first spring 202 reinserts the limiting rod 203 into the slot 204, the rotation of the rotating rod 201 is limited, the structure enables the rotating rod 201 to not to rotate easily any more, the rotating rod 201 can drive the sphere 101 to rotate only by being completely embedded into the screwing rod 208, so that the sphere 101 cannot be opened accidentally, improved the effect of opening and close of valve body 1, insert the gas pipe in mounting panel 3, rotatory threaded rod 701 this moment, threaded rod 701 rotates on internal thread piece 5 and gos forward, make piston 7 extruded by threaded rod 701 and remove, piston 7 removes and fills gasbag 301 with the gas of cavity 6 in, sensor 401 detects gasbag 301's pressure, when pressure is suitable, warning light 501 lights, laminate with the outer wall of gas pipe in order to ensure that gasbag 301 bloates, No. three spring 601 can recover piston 7, this structure makes this valve body 1 when connecting the gas pipe of pipe diameter difference, it is better all to ensure its leakproofness, and the practicality is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a ball valve that natural gas transmission pipeline used, includes valve body (1), spheroid (101), fixed block (2) and mounting panel (3), its characterized in that: a fixed block (2) is arranged at the top of the valve body (1);

the top of the sphere (101) is provided with a rotating rod (201), one end of the rotating rod (201) extends out of the top of the fixed block (2), the inner wall of the fixed block (2) is provided with a first spring (202), one end of the first spring (202) is provided with a limiting rod (203), the outer wall of the rotating rod (201) is provided with a slot (204), the inner wall of the rotating rod (201) is provided with a moving block (205), the inner wall of the moving block (205) is provided with a second spring (206), one end of the second spring (206) is provided with a clamping rod (207), and the top of the moving block (205) is provided with a tightening rod (208);

the outer wall of the valve body (1) is provided with a mounting plate (3).

2. The ball valve for a natural gas transportation pipeline according to claim 1, wherein: the inner wall of the valve body (1) is provided with a ball body (101).

3. The ball valve for a natural gas transportation pipeline according to claim 1, wherein: and an air bag (301) is arranged on the inner wall of the mounting plate (3).

4. A ball valve for a natural gas transportation pipeline according to claim 3, wherein: an air pipe (4) is installed on the outer wall of the air bag (301), and a sensor (401) is installed at one end of the air pipe (4).

5. The ball valve for a natural gas transportation pipeline according to claim 1, wherein: the outer wall of mounting panel (3) is installed internal thread piece (5), and warning light (501) are installed to the outer wall of internal thread piece (5).

6. The ball valve for a natural gas transportation pipeline according to claim 1, wherein: cavity (6) are installed to the inner wall of mounting panel (3), and No. three spring (601) are installed to the inner wall of cavity (6).

7. The ball valve for a natural gas transportation pipeline according to claim 6, wherein: piston (7) are installed to the inner wall of cavity (6), and the outer wall of piston (7) is connected with the one end of No. three spring (601), and threaded rod (701) are installed to the inner wall of internal thread piece (5).