CN210423785U - High-pressure stainless steel ball valve - Google Patents

Abstract

The utility model belongs to the ball valve field especially a high-pressure stainless steel ball valve, which comprises a valve body, inlet tube and outlet pipe are installed respectively to the both sides of valve body, install the spheroid in the valve body, the sealing washer has been cup jointed to spheroidal four corners position, the equal fixed mounting in top side and the bottom side of valve body has the dead lever, and the one end that two dead levers are close to each other all extends to in the valve body, the cavity has been seted up on the dead lever, install the lead screw along vertical direction in the cavity, the lead screw is close to spheroidal one end and rotates and install on the cavity is close to spheroidal one side inner wall, the screw thread has cup jointed trapezoidal piece on the lead screw, and the both sides of trapezoidal piece all are equipped with the horizontal pole, have all seted up the. The utility model discloses can drive sealing washer and spheroid in close contact with to avoid producing the gap between sealing washer and the spheroid, thereby prolonged the life of sealing washer.

Description

High-pressure stainless steel ball valve

Technical Field

The utility model relates to a ball valve technical field especially relates to a high-pressure stainless steel ball valve.

Background

The ball valve is widely used due to simple structure, small volume, light weight, tightness, reliability, convenient operation, rapid opening and closing and wide application range, the ball valve is also divided into different types due to different application fields, and the stainless steel high-pressure ball valve is an important one and is suitable for high-pressure environment. However, the existing high-pressure ball valve has very important sealing effect because the pressure received is very large, and the gap of one thread can cause the ball valve to have large leakage under the high-pressure environment, so that the ball valve is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the friction between spheroid and the sealing washer among the prior art, the sealing washer is after long-time the use, and the friction is impaired to thereby it influences the result of use shortcoming to make to produce the gap between sealing washer and the spheroid, and a high-pressure stainless steel ball valve that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-pressure stainless steel ball valve, includes the valve body, inlet tube and outlet pipe are installed respectively to the both sides of valve body, install the spheroid in the valve body, the sealing washer has been cup jointed to spheroidal four corners position, the equal fixed mounting in top side and the bottom side of valve body has the dead lever, and the one end that two dead levers are close to each other all extends to in the valve body, the cavity has been seted up on the dead lever, install the lead screw along vertical direction in the cavity, the lead screw is close to spheroidal one end and rotates and install on the cavity is close to spheroidal one side inner wall, the screw thread has cup jointed trapezoidal piece on the lead screw, and the both sides of trapezoidal piece all are equipped with the horizontal pole, has all seted up the through-hole on the both sides inner wall of cavity, and the through-hole is linked.

Preferably, the movable groove has all been seted up to the one end that two dead levers were kept away from each other, and movable mounting has the movable block in the movable groove, and spheroidal one end is kept away from to the lead screw extends to the movable groove in, and fixed mounting is on the movable block.

Preferably, two recesses have been seted up to spheroidal one side is kept away from to the movable block, has seted up the slip hole on the one side inner wall that two recesses kept away from each other, and slidable mounting has the locating lever in the slip hole, and outside the both ends of locating lever all extended to the slip hole, a plurality of constant head tanks have evenly been seted up to annular on the inner wall all around of movable groove, the one end and the constant head tank looks adaptation of locating lever, the other end of locating lever extend to in the recess, and fixed mounting has the fly leaf.

Preferably, install the spring in the recess, the one end fixed mounting of spring is on one side inner wall that the slide opening was kept away from to the recess, and the other end fixed mounting of spring is on the fly leaf, and the spheroidal one side fixed mounting is kept away from to the fly leaf has a rubber cushion, and one side inner wall fixed connection that slide opening was kept away from to rubber cushion and recess.

Preferably, equal fixed mounting has the slide rail on the both sides inner wall of cavity, and slidable mounting has the sliding block on the slide rail, and one side that two sliding blocks are close to each other is fixed mounting respectively on the both sides of trapezoidal piece, has seted up threaded hole on the trapezoidal piece, and threaded hole and lead screw threaded connection.

In the utility model, the high-pressure stainless steel ball valve is provided with the movable grooves, the movable blocks, the grooves, the sliding holes, the positioning rods, the positioning grooves, the movable plates, the rubber cushions and the springs, so that two fingers are placed in the two grooves to extrude the movable plates, the movable plates extrude the springs, the movable plates drive the positioning rods to slide in the sliding holes, one ends of the positioning rods are moved out of the positioning grooves, the movable blocks are rotated, and the movable blocks drive the lead screws to rotate; owing to be provided with cavity, lead screw, trapezoidal piece, screw hole, horizontal pole, through-hole, baffle, slide rail, sliding block, consequently, the lead screw rotates and drives trapezoidal piece downstream, and trapezoidal piece extrudees the horizontal pole, and the horizontal pole slides in the through-hole, and the horizontal pole drives baffle extrusion sealing washer, the utility model discloses can drive sealing washer and spheroid in close contact with to avoid producing the gap between sealing washer and the spheroid, thereby prolonged the life of sealing washer.

Drawings

Fig. 1 is a schematic structural view of a high-pressure stainless steel ball valve provided by the present invention;

fig. 2 is a schematic structural view of a portion a in fig. 1 of a high-pressure stainless steel ball valve according to the present invention;

fig. 3 is a schematic structural diagram of a part B in fig. 1 of a high-pressure stainless steel ball valve according to the present invention.

In the figure: the water inlet valve comprises a valve body 1, a water inlet pipe 2, a ball body 3, a sealing ring 4, a fixing rod 5, a movable groove 6, a movable block 7, a groove 8, a sliding hole 9, a positioning rod 10, a positioning groove 11, a movable plate 12, a rubber cushion 13, a spring 14, a cavity 15, a screw rod 16, a trapezoidal block 17, a threaded hole 18, a cross rod 19, a through hole 20, a baffle 21, a slide rail 22 and a sliding block 23.

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.

Referring to fig. 1-3, a high pressure stainless steel ball valve comprises a valve body 1, a water inlet pipe 2 and a water outlet pipe are respectively installed on two sides of the valve body 1, a ball body 3 is installed in the valve body 1, a sealing ring 4 is sleeved on four corners of the ball body 3, fixing rods 5 are fixedly installed on the top side and the bottom side of the valve body 1, one ends of the two fixing rods 5 close to each other extend into the valve body 1, a cavity 15 is formed in each fixing rod 5, a lead screw 16 is installed in the cavity 15 along the vertical direction, one end of the lead screw 16 close to the ball body 3 is rotatably installed on the inner wall of one side of the cavity 15 close to the ball body 3, a trapezoidal block 17 is sleeved on the lead screw 16 in a threaded manner, cross rods 19 are respectively arranged on two sides of the trapezoidal block 17, through holes 20 are respectively formed in the inner walls of two sides of the cavity, the baffle 21 contacts with the sealing ring 4, the screw rod 16 rotates to drive the trapezoidal blocks 17 to move downwards, the trapezoidal blocks 17 extrude the cross rod 19, the cross rod 19 slides in the through hole 20, and the cross rod 19 drives the baffle 21 to extrude the sealing ring 4.

The utility model discloses in, movable groove 6 has all been seted up to the one end that two dead levers 5 kept away from each other, and movable mounting has movable block 7 in the movable groove 6, and the one end that spheroid 3 was kept away from to lead screw 16 extends to movable groove 6 in, and fixed mounting is on movable block 7.

The utility model discloses in, two recesses 8 have been seted up to one side that spheroid 3 was kept away from to movable block 7, sliding hole 9 has been seted up on the inner wall of one side that two recesses 8 kept away from each other, sliding hole 9 slidable mounting has locating lever 10, the both ends of locating lever 10 all extend to outside sliding hole 9, a plurality of constant head tanks 11 have evenly been seted up to the annular on the inner wall all around of movable groove 6, the one end and the 11 looks adaptations of constant head tank of locating lever 10, the other end of locating lever 10 extends to in the recess 8, and fixed mounting has fly leaf 12.

The utility model discloses in, install spring 14 in the recess 8, spring 14's one end fixed mounting is on one side inner wall that sliding hole 9 was kept away from to recess 8, and spring 14's other end fixed mounting is on fly leaf 12, and one side fixed mounting that spheroid 3 was kept away from to fly leaf 12 has rubber cushion 13, and rubber cushion 13 and one side inner wall fixed connection that sliding hole 9 was kept away from to recess 8.

The utility model discloses in, equal fixed mounting has slide rail 22 on the both sides inner wall of cavity 15, slidable mounting has slide block 23 on slide rail 22, one side that two slide blocks 23 are close to each other is fixed mounting respectively on trapezoidal block 17's both sides, threaded hole 18 has been seted up on trapezoidal block 17, and threaded hole 18 and 16 threaded connection of lead screw, put two fingers in two recess 8, extrude fly leaf 12, fly leaf 12 extrudees spring 14, fly leaf 12 drives locating lever 10 and slides in sliding hole 9, and the one end of locating lever 10 shifts out constant head tank 11, rotate movable block 7, movable block 7 drives lead screw 16 and rotates.

The utility model discloses in, the theory of operation, put two fingers in two recess 8, extrusion fly leaf 12, fly leaf 12 extrudees spring 14, fly leaf 12 drives locating lever 10 and slides in sliding hole 9, and the one end of locating lever 10 shifts out constant head tank 11, rotate movable block 7, movable block 7 drives lead screw 16 and rotates, lead screw 16 rotates and drives trapezoidal piece 17 and move down, trapezoidal piece 17 extrudes horizontal pole 19, horizontal pole 19 slides in through-hole 20, horizontal pole 19 drives baffle 21 extrusion sealing washer 4, then, loosen the finger, spring 14's reaction force drives locating lever 10 and moves to constant head tank 11 in, fix its position, reach and avoided producing the gap between sealing washer 4 and the spheroid 3, thereby the purpose of the life of sealing washer 4 has been prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The high-pressure stainless steel ball valve comprises a valve body (1) and is characterized in that a water inlet pipe (2) and a water outlet pipe are respectively installed on two sides of the valve body (1), a ball body (3) is installed in the valve body (1), sealing rings (4) are sleeved on four corners of the ball body (3), fixing rods (5) are fixedly installed on the top side and the bottom side of the valve body (1), one ends, close to each other, of the two fixing rods (5) extend into the valve body (1), a cavity (15) is formed in each fixing rod (5), a lead screw (16) is installed in each cavity (15) along the vertical direction, one end, close to the ball body (3), of each lead screw (16) is rotatably installed on the inner wall, close to the ball body (3), a trapezoidal block (17) is sleeved on each lead screw (16) in a threaded manner, and transverse rods (19) are arranged on two sides, through-hole (20) have all been seted up on the both sides inner wall of cavity (15), and through-hole (20) are linked together with valve body (1) inside, through-hole (20) are run through to horizontal pole (19) one end of keeping away from trapezoidal piece (17), and fixed mounting has baffle (21), baffle (21) contact with sealing washer (4).

2. The high-pressure stainless steel ball valve according to claim 1, wherein the two fixed rods (5) are provided with a movable groove (6) at the ends far away from each other, a movable block (7) is movably mounted in the movable groove (6), and the end of the screw rod (16) far away from the ball body (3) extends into the movable groove (6) and is fixedly mounted on the movable block (7).

3. The high-pressure stainless steel ball valve according to claim 2, wherein two grooves (8) are formed in one side, away from the ball body (3), of the movable block (7), sliding holes (9) are formed in the inner wall, away from each other, of the two grooves (8), positioning rods (10) are slidably mounted in the sliding holes (9), the two ends of each positioning rod (10) extend out of the corresponding sliding hole (9), a plurality of positioning grooves (11) are uniformly formed in the inner wall, around the movable groove (6), of each positioning rod (10) in an annular mode, one end of each positioning rod (10) is matched with the corresponding positioning groove (11), the other end of each positioning rod (10) extends into the corresponding groove (8), and each movable plate (12) is fixedly mounted.

4. A high-pressure stainless steel ball valve according to claim 3, characterized in that a spring (14) is installed in the groove (8), one end of the spring (14) is fixedly installed on the inner wall of the groove (8) far away from the sliding hole (9), the other end of the spring (14) is fixedly installed on the movable plate (12), one side of the movable plate (12) far away from the ball body (3) is fixedly installed with a rubber cushion (13), and the rubber cushion (13) is fixedly connected with the inner wall of the groove (8) far away from the sliding hole (9).

5. The high-pressure stainless steel ball valve according to claim 1, wherein sliding rails (22) are fixedly mounted on inner walls of two sides of the cavity (15), sliding blocks (23) are slidably mounted on the sliding rails (22), one sides of the two sliding blocks (23) close to each other are fixedly mounted on two sides of the trapezoidal block (17), threaded holes (18) are formed in the trapezoidal block (17), and the threaded holes (18) are in threaded connection with the screw rod (16).

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