阅读说明：本技术 一种真空压力球阀 (Vacuum pressure ball valve ) 是由 姜宏亮 于 2021-08-15 设计创作，主要内容包括：本发明涉及球阀领域,具体的说是一种真空压力球阀,包括阀体部件,阀体部件的两侧内壁上均固定连接有密封座,两个密封座的内部卡接有球体,阀体部件的外壁上固定连接有铭牌,分阀体部件的两端均卡接有快卸法兰,阀体部件的上端卡接有压盖,压盖的上端通过内六角螺钉固定连接有手柄部件,手柄部件的表面上套接有手柄套,快卸法兰的内部设置有第一弹簧垫圈,阀体部件与快卸法兰之间通过圆头螺钉固定连接,当长期使用后,密封座产生怠性,进而使密封座失去弹力,导致密封座与球体之间无法严密的密封,通过蝶形弹簧推动密封座移动靠近球体,进而使密封座与球体表面紧密贴合,进而防止密封座与球体之间密封失效发生泄露,进而提高产品使用寿命。(The invention relates to the field of ball valves, in particular to a vacuum pressure ball valve, which comprises a valve body part, wherein sealing seats are fixedly connected on the inner walls of two sides of the valve body part, a ball body is clamped inside the two sealing seats, a nameplate is fixedly connected on the outer wall of the valve body part, quick-release flanges are clamped at two ends of the valve body part, a gland is clamped at the upper end of the valve body part, a handle part is fixedly connected at the upper end of the gland through an inner hexagon screw, a handle sleeve is sleeved on the surface of the handle part, a first spring gasket is arranged inside the quick-release flange, the valve body part and the quick-release flanges are fixedly connected through round-head screws, after long-term use, the sealing seats generate looseness, so that the sealing seats lose elasticity, the sealing seats cannot be tightly sealed, the sealing seats are pushed to move close to the ball body through a disc spring, and the sealing seats are tightly attached to the surface of the ball body part, and then prevent that sealed inefficacy takes place to reveal between seal receptacle and the spheroid, and then improve product life.)

1. A vacuum pressure ball valve comprising a valve body member (1), characterized in that: the ball valve is characterized in that sealing seats (2) are fixedly connected to the inner walls of two sides of a valve body component (1), two sealing seats (2) are clamped inside balls (3), a nameplate (4) is fixedly connected to the outer wall of the valve body component (1), quick-release flanges (5) are clamped at two ends of the valve body component (1), a gland (6) is clamped at the upper end of the valve body component (1), a handle component (8) is fixedly connected to the upper end of the gland (6) through an inner hexagon screw (7), a handle sleeve (9) is sleeved on the surface of the handle component (8), a first spring washer (10) is arranged inside the quick-release flange (5), the valve body component (1) is fixedly connected with the quick-release flanges (5) through a round head screw (11), a valve rod (12) is rotatably connected to the inside of the gland (6), and butterfly springs (13) are clamped at openings at two ends of the sealing seats (2), the equal joint in both ends opening part of valve body part (1) has first sealing washer (14), the joint has valve rod packing ring (15) on the upper end surface of valve rod (12), it has second sealing washer (16) to fix the cover on the upper end inner wall of gland (6), shaft collar (17) has been cup jointed in the upper end activity of valve rod (12), shaft collar (17) joint is on the upper end inner wall of gland (6), the inside joint of shaft collar (17) has second spring packing ring (18), shaft collar (17) pass through set screw (19) and gland (6) fixed connection, peg graft in handle part (8) the upper end of valve rod (12), fixedly connected with switch identification (22) on the upper surface of handle part (8).

2. A vacuum pressure ball valve according to claim 1, wherein: and the side wall of one side of the belleville spring (13) is in contact with the surface of the quick-release flange (5).

3. A vacuum pressure ball valve according to claim 1, wherein: the surface of the sphere (3) is tightly attached to the inner parts of the two sealing seats (2).

4. A vacuum pressure ball valve according to claim 1, wherein: the valve rod (12) is fixedly connected with the ball body (3).

5. A vacuum pressure ball valve according to claim 1, wherein: the first spring washer (10) is clamped between the round head screw (11) and the quick-release flange (5).

6. A vacuum pressure ball valve according to claim 1, wherein: the handle component (8) is fixedly connected with the valve rod (12) through a set screw (20).

7. A vacuum pressure ball valve according to claim 1, wherein: the lower surface of the handle part (8) is provided with a cylindrical pin (21).

Technical Field

The invention relates to the field of ball valves, in particular to a vacuum pressure ball valve.

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, specially applicable to medium containing fibre and small solid granules, etc. the ball valve is mainly used for cutting, distributing and changing flow direction of medium in pipeline, and it only has need of 90 deg. rotation operation and small rotation moment to implement tight closing.

The inside spheroid that has the through-hole of control of current ball valve rotates to sending out your opening and closed control, and the inside spheroid of ball valve and valve body inner wall sealing connection prevent through the seal receptacle that fluid from taking place to leak, but the seal receptacle is generally made by the polyvinyl fluoride material, can produce the weariness and tearing after long-term the use, and then makes seal receptacle and spheroidal sealed receive the influence, and then can lead to the ball valve to take place to reveal, makes the life of product receive the influence.

Disclosure of Invention

The invention provides a vacuum pressure ball valve, aiming at the problems that in the prior art, a ball body with a through hole inside is controlled to rotate to control opening and closing of a ball body, the ball body inside the ball valve is in sealing connection with the inner wall of a valve body, fluid is prevented from leaking through a sealing seat, but the sealing seat is generally made of polyvinyl fluoride materials, and after the ball valve is used for a long time, idle abrasion can be generated, so that sealing between the sealing seat and the ball body is influenced, the ball valve is further prevented from leaking, and the service life of a product is influenced.

The technical scheme adopted by the invention for solving the technical problems is as follows: a vacuum pressure ball valve comprises a valve body part, wherein sealing seats are fixedly connected to the inner walls of two sides of the valve body part, a ball body is clamped inside the two sealing seats, a nameplate is fixedly connected to the outer wall of the valve body part, quick-release flanges are clamped at two ends of the valve body part, a gland is clamped at the upper end of the valve body part, a handle part is fixedly connected to the upper end of the gland through inner hexagon screws, a handle sleeve is sleeved on the surface of the handle part, a first spring gasket is arranged inside the quick-release flange, the valve body part and the quick-release flange are fixedly connected through round-head screws, a valve rod is rotatably connected inside the gland, disc springs are clamped at two end openings of the sealing seats, first sealing rings are clamped at two end openings of the valve body part, and a valve rod gasket is clamped on the surface of the upper end of the valve rod, the fixed cover has been cup jointed the second sealing washer on the upper end inner wall of gland, the upper end activity of valve rod has cup jointed the axle collar, the axle collar joint is on the upper end inner wall of gland, the inside joint of axle collar has the second spring packing ring, the axle collar passes through set screw and gland fixed connection, peg graft in handle components in the upper end of valve rod, fixedly connected with switch sign on handle components's the upper surface.

Specifically, one side wall of the belleville spring is in contact with the surface of the quick-release flange.

Specifically, the surface of the ball body is tightly attached to the interiors of the two sealing seats.

Specifically, the valve rod is fixedly connected with the ball body.

Specifically, the first spring washer is clamped between the round-head screw and the quick-release flange.

Specifically, the handle part is fixedly connected with the valve rod through a set screw.

Specifically, a cylindrical pin is arranged on the lower surface of the handle part.

The invention has the beneficial effects that:

(1) according to the vacuum pressure ball valve, after long-term use, the seal seat generates idling, so that the seal seat loses elasticity, tight seal cannot be achieved between the seal seat and the ball body, the seal seat is pushed by the belleville spring to move close to the ball body, the seal seat is tightly attached to the surface of the ball body, leakage caused by seal failure between the seal seat and the ball body is prevented, and the service life of a product is prolonged.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a vacuum pressure ball valve provided by the present invention.

In the figure: 1. a valve body member; 2. a sealing seat; 3. a sphere; 4. a nameplate; 5. quickly disassembling the flange; 6. a gland; 7. a socket head cap screw; 8. a handle member; 9. a handle cover; 10. a first spring washer; 11. a round head screw; 12. a valve stem; 13. a belleville spring; 14. a first seal ring; 15. a valve stem gasket; 16. a second seal ring; 17. a collar; 18. a second spring washer; 19. a set screw; 20. tightening the screw; 21. a cylindrical pin; 22. and (5) switch identification.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figure 1, the vacuum pressure ball valve comprises a valve body part 1, wherein sealing seats 2 are fixedly connected to the inner walls of two sides of the valve body part 1, a ball body 3 is clamped inside the two sealing seats 2, a nameplate 4 is fixedly connected to the outer wall of the valve body part 1, quick-release flanges 5 are clamped at two ends of the valve body part 1, a gland 6 is clamped at the upper end of the valve body part 1, a handle part 8 is fixedly connected to the upper end of the gland 6 through an inner hexagon screw 7, a handle sleeve 9 is sleeved on the surface of the handle part 8, a first spring washer 10 is arranged inside the quick-release flange 5, the valve body part 1 is fixedly connected with the quick-release flange 5 through a round head screw 11, a valve rod 12 is rotatably connected inside the gland 6, butterfly springs 13 are clamped at two end openings of the sealing seats 2, and first sealing rings 14 are clamped at two end openings of the valve body part 1, a valve rod gasket 15 is clamped on the upper end surface of the valve rod 12, a second sealing ring 16 is fixedly sleeved on the upper end inner wall of the gland 6, a shaft collar 17 is movably sleeved at the upper end of the valve rod 12, the shaft collar 17 is clamped on the upper end inner wall of the gland 6, a second spring gasket 18 is clamped inside the shaft collar 17, the shaft collar 17 is fixedly connected with the gland 6 through a fixing screw 19, the upper end of the valve rod 12 is inserted into the handle part 8, a switch mark 22 is fixedly connected on the upper surface of the handle part 8, when the handle part 8 is rotated, the valve rod 12 is driven to rotate, the valve rod 12 drives the ball body 3 to rotate, when the ball body 3 rotates, a through hole formed in the surface corresponds to the two quick-release flanges 5, so that the two ends of the valve body part 1 are communicated, after long-term use, the sealing seat 2 generates idling, so that the sealing seat 2 loses elasticity, and the sealing between the sealing seat 2 and the ball body 3 cannot be tightly sealed, the butterfly spring 13 pushes the sealing seat 2 to move close to the ball 3 so as to prevent leakage caused by sealing failure between the sealing seat 2 and the ball 3.

Specifically, the side wall of one side of the belleville spring 13 is in contact with the surface of the quick-release flange 5, and the belleville spring 13 is extruded through the side wall of the quick-release flange 5, so that the belleville spring 13 extrudes the sealing seat 2.

Specifically, the surface of the sphere 3 is tightly attached to the insides of the two sealing seats 2, so that a gap is prevented from being formed between the sphere 3 and the sealing seats 2.

Specifically, the valve rod 12 is fixedly connected with the sphere 3, and the sphere 3 is driven to rotate by the valve rod 12.

Specifically, the first spring washer 10 is clamped between the round head screw 11 and the quick release flange 5, so that the round head screw 11 is prevented from loosening.

Specifically, the handle part 8 is fixedly connected with the valve rod 12 through the set screw 20, so that the handle part 8 is driven to rotate by the set screw 20, and the set screw 20 drives the valve rod 12 to rotate.

Specifically, a cylindrical pin 21 is provided on the lower surface of the handle member 8, and the handle member 8 can be fixed by the cylindrical pin 21.

When in use, firstly, the belleville spring 13 is clamped on the side wall of one side, which is far away from each other, of the two sealing seats 2, then the first sealing ring 14 is clamped at the two ends of the valve body part 1, the two quick-release flanges 5 are clamped at the two ends of the valve body part 1, then the gland 6 is clamped at the upper end of the valve body part 1, then the two first spring gaskets 10 are sleeved on the surfaces of the four round-head screws 11, then the round-head screws 11 are in threaded connection with the quick-release flanges 5, so that the other ends of the four round-head screws 11 are respectively in threaded connection with the valve body part 1 and the gland 6, then the upper end of the valve rod 12 is inserted in the handle part 8, the handle part 8 and the valve rod 12 are fixedly connected through the fastening bolts 20, when the handle part 8 is rotated, the valve rod 12 is driven to rotate, the valve rod 12 drives the sphere 3 to rotate, when the sphere 3 rotates, the through hole formed on the surface corresponds to the two quick-release flanges 5, and then make valve body part 1 both ends communicate, after long-term use, the seal receptacle 2 produces the laziness, and then makes the seal receptacle 2 lose elasticity, leads to can't tight seal between seal receptacle 2 and the spheroid 3, promotes the seal receptacle 2 through belleville spring 13 and moves and is close to spheroid 3 and then prevents that the seal between seal receptacle 2 and the spheroid 3 became invalid and take place to reveal, and then improves product life.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.