CN211145417U

CN211145417U - Sealing ball valve

Info

Publication number: CN211145417U
Application number: CN201921681377.2U
Authority: CN
Inventors: 王志华
Original assignee: Individual
Current assignee: Shanghai Gaocheng Valve Manufacturing Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-31
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a sealing ball valve belongs to ball valve technical field, including the valve gap, the screw fixedly connected with valve body is passed through to the valve gap both sides, the grafting has the valve rod in the valve gap, the welding of valve rod bottom has the spheroid, fixedly connected with spring and spring have a plurality ofly in the valve gap, the spring bottom bonds has sealed lid, the valve body is seted up flutedly, the recess inwards extends there is the mounting hole, it has the silica gel cover to bond in the mounting hole, the top of silica gel cover bonds in the recess bottom, install the motor in the recess, the motor can be dismantled and be connected with the pivot. The motor drives the pivot and rotates the liquid of stirring through the round hole, prevents that impurity from piling up in the liquid and influencing the ball valve and use, and the sealed lid of downward extrusion after the spring compression seals near spheroid and disk seat junction, and the sealed lid of disk seat wearing and tearing is sealed continuously.

Description

Sealing ball valve

Technical Field

The utility model relates to a ball valve technical field especially relates to a sealed ball valve.

Background

Ball valve: the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels.

The prior art ball valves have the following disadvantages: 1. liquid passes through when the ball valve uses, contains more impurity in the liquid and piles up in the ball valve, influences the ball valve and closes, 2, the ball valve closes through rotating the spheroid, and the wearing and tearing between spheroid and the disk seat after long-time the use, and it is not tight to seal in the ball valve use, for this reason we provide a sealed ball valve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sealed ball valve, motor drive pivot rotate the stirring through the liquid of round hole, prevent in the liquid that impurity from piling up the influence ball valve and use, and the sealed lid of downward extrusion after the spring compression seals near spheroid and disk seat junction, and sealed lid lasts sealedly behind the disk seat wearing and tearing.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of sealed ball valve, including the valve gap, the screw fixedly connected with valve body is passed through to the valve gap both sides, it has the valve rod to peg graft in the valve gap, the welding of valve rod bottom has the spheroid, fixedly connected with spring and spring have a plurality ofly in the valve gap, the spring bottom bonds there is sealed lid, the valve body is seted up flutedly, the recess inwards extends there is the mounting hole, it has the silica gel cover to bond in the mounting hole, the top of silica gel cover bonds in the recess bottom, install the motor in the recess, the motor can be dismantled and be connected with the pivot.

Optionally, the valve seat is installed at the two ends of the ball body, a sealing ring is embedded and connected in the valve seat, and a fixing rod is welded at the bottom end of the ball body.

Optionally, the valve body is provided with a round hole, the ball body is provided with a through hole, and the round hole is communicated with the through hole.

Optionally, the power output end of the motor is connected with the power input end of the rotating shaft, and the valve rod penetrates through the sealing cover and is in clearance connection with the surface of the ball body.

The utility model has the advantages as follows:

the embodiment of the utility model provides a sealed ball valve:

1. the pivot rotates the stirring and passes through the liquid of round hole, prevents that impurity from piling up in the liquid, and the motor drive pivot of ball valve both sides rotates, and the pivot rotates liquid in the in-process stirring round hole, drives in the liquid impurity and together rotates, and liquid flows through behind the ball valve impurity pile up fewly, and no impurity is piled up, and the ball valve is closed unaffected.

2. The sealing cover is pressed downwards after the spring is compressed, the sealing cover is tightly close to the joint of the ball body and the valve seat to seal, the spring is connected with the valve cover and the sealing cover, the sealing cover is arranged at the joint of the ball body and the valve seat, the downward acting force is applied to the sealing cover by the compression of the spring to enable the sealing cover to be tightly attached downwards to seal the joint, the ball body and the valve seat are not tightly sealed after long-time use, the sealing cover plays a role to seal the joint, and the ball valve can be.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a sealed ball valve according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a valve body of a sealing ball valve according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a sealed ball valve according to an embodiment of the present invention.

In the figure: 1. a valve body; 2. a motor; 3. a valve cover; 4. a sealing cover; 5. a valve stem; 6. a spring; 7. a screw; 8. a valve seat; 9. a through hole; 10. fixing the rod; 11. a sphere; 12. a seal ring; 13. a silica gel sleeve; 14. a groove; 15. mounting holes; 16. a rotating shaft; 17. a circular hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A sealing ball valve according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of sealed ball valve, including valve gap 3, screw 7 fixedly connected with valve body 1 is passed through to 3 both sides of valve gap, it has valve rod 5 to peg graft in the valve gap 3, the welding of 5 bottom ends of valve rod has spheroid 11, fixedly connected with spring 6 and spring 6 have a plurality ofly in the valve gap 3, 6 bottom bonds of spring has sealed lid 4, valve body 1 is seted up flutedly 14, recess 14 inwards extends has mounting hole 15, it has silica gel cover 13 to bond in the mounting hole 15, the top of silica gel cover 13 bonds in recess 14 bottom, install motor 2 in recess 14, motor 2 can dismantle and be connected with pivot 16.

Illustratively, the screw 7 penetrates through the valve cover 3 and the valve body 1 to fix the valve cover 3 and the valve body 1 together, the valve rod 5 rotates to drive the ball body 11 to rotate, the ball valve is closed after the ball body 11 rotates ninety degrees, the top end of the silica gel sleeve 13 is arranged in the groove 14, the bottom of the silica gel sleeve is bonded in the mounting hole 15, the rotating shaft 16 penetrates through the silica gel sleeve 13 to enter the valve body 1, and the silica gel sleeve 13 plays a role in sealing and can prevent the rotating shaft 16 from leaking water.

Referring to fig. 1, valve seats 8 are installed at two ends of a ball 11, a sealing ring 12 is embedded in each valve seat 8, and a fixing rod 10 is welded at the bottom end of the ball 11.

Illustratively, a sealing ring 12 is embedded in the valve seat 8 to seal the valve seat 8 and the ball 11.

Referring to fig. 1, the valve body 1 is provided with a circular hole 17, the ball 11 is provided with a through hole 9, and the circular hole 17 is communicated with the through hole 9.

Illustratively, the liquid flows out after entering the through hole 9 on the ball 11 through the round hole 17, and the round hole 17 is communicated with the through hole 9 to facilitate the liquid flow.

Referring to fig. 1, the power output end of the motor 2 is connected with the power input end of the rotating shaft 16, the valve rod 5 penetrates through the sealing cover 4, and the sealing cover 4 is connected to the surface of the ball 11 in a clearance mode.

Illustratively, the motor 2 rotates the rotating shaft 16, the sealing cover 4 is positioned on the surface of the ball 11, and the outward extension part of the sealing cover 4 covers part of the valve seat 8.

When the valve is used, the valve bodies 1 at two ends of the valve seat 3 are respectively connected with the water outlet and the water inlet, water enters through the circular hole 17 in the left valve body 1 connected with the water inlet, the motor 2 is started to drive the rotating shaft 16 to rotate and stir liquid in the circular hole 17, the model of the motor 2 is 70KTYZ, the liquid at the rotating shaft 16 rotates to drive impurities in the liquid to continuously flow to the through hole 9 in the ball body 11, the impurities in the liquid flow into the right valve body 1 through the through hole 9 and are stirred again through the rotating shaft 16 on the right valve body 1, no impurities are left after the liquid passes through, the rotating shaft 16 continuously rotates and stirs the liquid in the liquid flowing process, when water does not pass through, the valve rod 5 is rotated, the valve rod 5 drives the ball body 11 to rotate, the ball body 11 rotates ninety degrees after the valve rod 5 rotates, the through hole 9 is vertical to the circular hole 17 at the moment, no channel, the ball valve can be prevented from leaking water.

It should be noted that the utility model relates to a sealing ball valve, which comprises a valve body 1; 2. a motor; 3. a valve cover; 4. a sealing cover; 5. a valve stem; 6. a spring; 7. a screw; 8. a valve seat; 9. a through hole; 10. fixing the rod; 11. a sphere; 12. a seal ring; 13. a silica gel sleeve; 14. a groove; 15. mounting holes; 16. a rotating shaft; 17. the round holes and the parts are all universal standard parts or parts known by those skilled in the art, and the structure and the principle of the round holes and the parts are known by technical manuals or by routine experiments.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a sealed ball valve, includes valve gap (3), its characterized in that, screw (7) fixedly connected with valve body (1) are passed through to valve gap (3) both sides, it has valve rod (5) to peg graft in valve gap (3), the welding of valve rod (5) bottom has spheroid (11), fixedly connected with spring (6) and spring (6) have a plurality ofly in valve gap (3), spring (6) bottom bonds and has sealed lid (4), valve body (1) is seted up flutedly (14), recess (14) inwards extend has mounting hole (15), it has silica gel cover (13) to bond in mounting hole (15), the top of silica gel cover (13) bonds in recess (14) bottom, install motor (2) in recess (14), motor (2) can be dismantled and be connected with pivot (16).

2. A sealed ball valve according to claim 1, characterized in that, valve seats (8) are installed at both ends of the ball body (11), a sealing ring (12) is embedded and connected in the valve seat (8), and a fixing rod (10) is welded at the bottom end of the ball body (11).

3. A sealed ball valve according to claim 1, characterized in that said valve body (1) is provided with a circular hole (17), said ball body (11) is provided with a through hole (9), said circular hole (17) is in communication with said through hole (9).

4. A sealed ball valve according to claim 1, characterized in that the power output end of the motor (2) is connected with the power input end of the rotating shaft (16), the valve rod (5) penetrates through the sealing cover (4), and the sealing cover (4) is connected with the surface of the ball body (11) in a clearance way.